Initial commit

2025-12-10 03:05:21 +00:00 · 2020-05-15 11:04:34 +01:00
commit 9f23f6ab05
77 changed files with 3495 additions and 0 deletions
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -0,0 +1,76 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+apply plugin: 'kotlin-kapt'
+
+repositories {
+    google()
+    jcenter()
+}
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.example.minimoneybox"
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        targetCompatibility = 1.8
+        sourceCompatibility = "1.8"
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.0.0'
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
+    implementation 'com.airbnb.android:lottie:2.7.0'
+    androidTestImplementation 'androidx.test:rules:1.1.1'
+    testImplementation "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
+    //mock websever for testing retrofit responses
+    testImplementation("com.squareup.okhttp3:mockwebserver:4.6.0")
+    testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
+
+    //mockito and livedata testing
+    testImplementation 'org.mockito:mockito-inline:2.13.0'
+    testImplementation 'androidx.arch.core:core-testing:2.1.0'
+
+    //Retrofit and GSON
+    implementation 'com.squareup.retrofit2:retrofit:2.8.1'
+    implementation 'com.squareup.retrofit2:converter-gson:2.8.1'
+
+    //Kotlin Coroutines
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0"
+
+    //Kodein Dependency Injection
+    implementation "org.kodein.di:kodein-di-generic-jvm:6.2.1"
+    implementation "org.kodein.di:kodein-di-framework-android-x:6.2.1"
+
+    //security for secured preferences
+    implementation "androidx.security:security-crypto:1.0.0-rc01"
+
+    //keystore preferences wrapper
+    implementation 'online.devliving:securedpreferencestore:0.7.4'
+
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/com/example/minimoneybox/LoginActivityTest.kt
+++ b/app/src/androidTest/java/com/example/minimoneybox/LoginActivityTest.kt
@@ -0,0 +1,138 @@
+package com.example.minimoneybox
+
+
+import android.view.View
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.action.ViewActions.typeText
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.LargeTest
+import androidx.test.rule.ActivityTestRule
+import com.example.minimoneybox.ui.login.LoginActivity
+import com.google.android.material.textfield.TextInputLayout
+import org.hamcrest.CoreMatchers.not
+import org.hamcrest.Matcher
+import org.hamcrest.TypeSafeMatcher
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+
+@LargeTest
+@RunWith(AndroidJUnit4::class)
+class LoginActivityTest {
+
+    val validEmail = "email_address@domain.com"
+    val validPassword = "oLa95he!ui"
+    val invalidEmail = "email_address"
+    val invalidPassword = "oaa"
+    val validName = "Ludacris"
+    val invalidName = "Dj"
+
+
+    @Rule
+    @JvmField
+    var mActivityTestRule = ActivityTestRule(LoginActivity::class.java)
+
+    @Test
+    fun noEntriesSubmission_invalidLogin() {
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_password)).check(matches(hasTextInputLayoutErrorText(getString(R.string.password_error))))
+        onView(withId(R.id.til_email)).check(matches(hasTextInputLayoutErrorText(getString(R.string.email_address_error))))
+    }
+
+    @Test
+    fun validEmailNoPasswordNoName_invalidLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(validEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_password)).check(matches(hasTextInputLayoutErrorText(getString(R.string.password_error))))
+        onView(withId(R.id.til_email)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.email_address_error)))))
+    }
+
+    @Test
+    fun validPasswordNoEmailNoName_invalidLogin() {
+        onView(withId(R.id.et_password)).perform(typeText(validPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_email)).check(matches(hasTextInputLayoutErrorText(getString(R.string.email_address_error))))
+        onView(withId(R.id.til_password)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.password_error)))))
+    }
+
+    @Test
+    fun validEmailAndPassword_noName_validLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(validEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_password)).perform(typeText(validPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_email)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.email_address_error)))))
+        onView(withId(R.id.til_password)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.password_error)))))
+    }
+
+    @Test
+    fun validEmailAndPassword_validName_validLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(validEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_password)).perform(typeText(validPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_name)).perform(typeText(validName)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_email)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.email_address_error)))))
+        onView(withId(R.id.til_password)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.password_error)))))
+        onView(withId(R.id.til_name)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.full_name_error)))))
+    }
+
+    @Test
+    fun validEmailAndPassword_invalidName_validLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(validEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_password)).perform(typeText(validPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_name)).perform(typeText(invalidName)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_email)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.email_address_error)))))
+        onView(withId(R.id.til_password)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.password_error)))))
+        onView(withId(R.id.til_name)).check(matches(hasTextInputLayoutErrorText(getString(R.string.full_name_error))))
+    }
+
+    @Test
+    fun invalidEmailValidPasswordNoName_invalidLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(invalidEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_password)).perform(typeText(validPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_password)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.password_error)))))
+        onView(withId(R.id.til_email)).check(matches(hasTextInputLayoutErrorText(getString(R.string.email_address_error))))
+    }
+
+    @Test
+    fun validEmailInvalidPasswordNoName_invalidLogin() {
+        onView(withId(R.id.et_email)).perform(typeText(validEmail)).check(matches(isDisplayed()))
+        onView(withId(R.id.et_password)).perform(typeText(invalidPassword)).check(matches(isDisplayed()))
+        onView(withId(R.id.btn_sign_in)).perform(click())
+
+        onView(withId(R.id.til_password)).check(matches(hasTextInputLayoutErrorText(getString(R.string.password_error))))
+        onView(withId(R.id.til_email)).check(matches(not(hasTextInputLayoutErrorText(getString(R.string.email_address_error)))))
+    }
+
+    private fun getString(id: Int): String = mActivityTestRule.activity.getString(id)
+
+    private fun hasTextInputLayoutErrorText(expectedErrorText: String): Matcher<View?>? {
+        return object : TypeSafeMatcher<View?>() {
+
+            override fun matchesSafely(item: View?): Boolean {
+                if (item !is TextInputLayout) {
+                    return false
+                }
+                val error = (item).error ?: return false
+                val hint = error.toString()
+                return expectedErrorText == hint
+            }
+
+            override fun describeTo(description: org.hamcrest.Description?) {}
+        }
+    }
+
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.example.minimoneybox">
+
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <uses-sdk tools:overrideLibrary="androidx.security"/>
+
+    <application
+        android:name=".application.MoneyBoxApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".ui.user.AccountActivity"></activity>
+        <activity
+            android:name=".ui.login.LoginActivity"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+
+                <action android:name="android.intent.action.VIEW" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/assets/pig.json
+++ b/app/src/main/assets/pig.json
--- a/app/src/main/java/com/example/minimoneybox/application/MoneyBoxApplication.kt
+++ b/app/src/main/java/com/example/minimoneybox/application/MoneyBoxApplication.kt
@@ -0,0 +1,52 @@
+package com.example.minimoneybox.application
+
+import android.app.Application
+import com.example.minimoneybox.data.network.LoginApi
+import com.example.minimoneybox.data.network.UserAccountApi
+import com.example.minimoneybox.data.network.interceptors.HeaderInterceptor
+import com.example.minimoneybox.data.network.interceptors.NetworkConnectionInterceptor
+import com.example.minimoneybox.data.prefs.KeystoreStorage
+import com.example.minimoneybox.data.repository.MoneyBoxRepositoryImpl
+import com.example.minimoneybox.ui.login.LoginViewModelFactory
+import com.example.minimoneybox.ui.user.UserAccountsViewModelFactory
+import com.google.gson.Gson
+import org.kodein.di.Kodein
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.x.androidXModule
+import org.kodein.di.generic.bind
+import org.kodein.di.generic.instance
+import org.kodein.di.generic.provider
+import org.kodein.di.generic.singleton
+
+class MoneyBoxApplication: Application(), KodeinAware{
+
+    //Kodein aware to initialise the classes used for DI
+    override val kodein = Kodein.lazy {
+        import(androidXModule(this@MoneyBoxApplication))
+
+        //instance is context
+        bind() from singleton { NetworkConnectionInterceptor(instance()) }
+        bind() from singleton { HeaderInterceptor() }
+        //instance is context
+        bind() from singleton { KeystoreStorage(instance())  }
+        //instances above 2 interceptors
+        bind() from singleton { LoginApi(instance(), instance()) }
+        bind() from singleton { UserAccountApi(instance(), instance()) }
+        bind() from singleton { Gson() }
+        //instances are context,
+        bind() from singleton { MoneyBoxRepositoryImpl(instance(),instance(),instance(), instance()) }
+        //Viewmodel created from context
+        bind() from provider {
+            LoginViewModelFactory(
+                instance()
+            )
+        }
+        bind() from provider {
+            UserAccountsViewModelFactory(
+                instance()
+            )
+        }
+
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/models/Product.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/models/Product.kt
@@ -0,0 +1,41 @@
+package com.example.minimoneybox.data.models
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+
+class Product {
+    @SerializedName("Id")
+    @Expose
+    var id: Int? = null
+    @SerializedName("Name")
+    @Expose
+    var name: String? = null
+    @SerializedName("CategoryType")
+    @Expose
+    var categoryType: String? = null
+    @SerializedName("Type")
+    @Expose
+    var type: String? = null
+    @SerializedName("FriendlyName")
+    @Expose
+    var friendlyName: String? = null
+    @SerializedName("CanWithdraw")
+    @Expose
+    var canWithdraw: Boolean? = null
+    @SerializedName("ProductHexCode")
+    @Expose
+    var productHexCode: String? = null
+    @SerializedName("AnnualLimit")
+    @Expose
+    var annualLimit: Double? = null
+    @SerializedName("DepositLimit")
+    @Expose
+    var depositLimit: Double? = null
+    @SerializedName("MinimumWeeklyDeposit")
+    @Expose
+    var minimumWeeklyDeposit: Double? = null
+    @SerializedName("MaximumWeeklyDeposit")
+    @Expose
+    var maximumWeeklyDeposit: Double? = null
+}
--- a/app/src/main/java/com/example/minimoneybox/data/models/ProductsResponse.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/models/ProductsResponse.kt
@@ -0,0 +1,38 @@
+package com.example.minimoneybox.data.models
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+
+class ProductsResponse {
+    @SerializedName("Id")
+    @Expose
+    var id: Int? = null
+    @SerializedName("PlanValue")
+    @Expose
+    var planValue: Double? = null
+    @SerializedName("Moneybox")
+    @Expose
+    var moneybox: Double? = null
+    @SerializedName("SubscriptionAmount")
+    @Expose
+    var subscriptionAmount: Double? = null
+    @SerializedName("TotalFees")
+    @Expose
+    var totalFees: Double? = null
+    @SerializedName("IsSelected")
+    @Expose
+    var isSelected: Boolean? = null
+    @SerializedName("IsFavourite")
+    @Expose
+    var isFavourite: Boolean? = null
+    @SerializedName("CollectionDayMessage")
+    @Expose
+    var collectionDayMessage: String? = null
+    @SerializedName("Product")
+    @Expose
+    var product: Product? = null
+    @SerializedName("state")
+    @Expose
+    var state: Int? = null
+}
--- a/app/src/main/java/com/example/minimoneybox/data/models/SessionObject.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/models/SessionObject.kt
@@ -0,0 +1,20 @@
+package com.example.minimoneybox.data.models
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+
+class SessionObject {
+    @SerializedName("BearerToken")
+    @Expose
+    var bearerToken: String? = null
+    @SerializedName("ExternalSessionId")
+    @Expose
+    var externalSessionId: String? = null
+    @SerializedName("SessionExternalId")
+    @Expose
+    var sessionExternalId: String? = null
+    @SerializedName("ExpiryInSeconds")
+    @Expose
+    var expiryInSeconds: Int? = null
+}
--- a/app/src/main/java/com/example/minimoneybox/data/models/UserLoginObject.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/models/UserLoginObject.kt
@@ -0,0 +1,7 @@
+package com.example.minimoneybox.data.models
+
+data class UserLoginObject(
+    val Email: String,
+    val Password: String,
+    val Idfa: String = "ANYTHING"
+)
--- a/app/src/main/java/com/example/minimoneybox/data/network/LoginApi.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/LoginApi.kt
@@ -0,0 +1,46 @@
+package com.example.minimoneybox.data.network
+
+import com.example.minimoneybox.data.network.interceptors.HeaderInterceptor
+import com.example.minimoneybox.data.network.interceptors.NetworkConnectionInterceptor
+import com.example.minimoneybox.data.network.response.LoginResponse
+import okhttp3.OkHttpClient
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+interface LoginApi {
+
+    @POST("users/login")
+    suspend fun loginApiRequest(@Body body: HashMap<String, String>): Response<LoginResponse>
+
+    /**
+     * Return [Retrofit] class with api to login
+     * [NetworkConnectionInterceptor] to intercept when there is no network
+     * [HeaderInterceptor] add custom headers to retrofit calls
+     */
+    companion object{
+        operator fun invoke(
+            //injected @params
+            networkConnectionInterceptor: NetworkConnectionInterceptor,
+            customHeaderInterceptor: HeaderInterceptor
+        ) : LoginApi{
+
+            //okHttpClient with interceptors
+            val okkHttpclient = OkHttpClient.Builder()
+                .addNetworkInterceptor(networkConnectionInterceptor)
+                .addInterceptor(customHeaderInterceptor)
+                .build()
+
+            //retrofit to be used in @Repository
+            return Retrofit.Builder()
+                .client(okkHttpclient)
+                .baseUrl("https://api-test01.moneyboxapp.com/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(LoginApi::class.java)
+        }
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/SafeApiCall.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/SafeApiCall.kt
@@ -0,0 +1,63 @@
+package com.example.minimoneybox.data.network
+
+import android.util.Log
+import org.json.JSONException
+import org.json.JSONObject
+import retrofit2.Response
+import java.io.IOException
+
+/**
+ * This abstract class extract objects from [Response]
+ */
+abstract class SafeApiCall {
+
+    suspend fun <T : Any> responseUnwrap(
+        call: suspend () -> Response<T>
+    ): T {
+        val response = call.invoke()
+
+        if (response.isSuccessful) {
+            //return the object within the response body
+            return response.body()!!
+        } else {
+            //the response was unsuccessful
+            //throw IOException error
+            throw IOException(errorMessage(response))
+        }
+    }
+
+    private fun <T> errorMessage(errorResponse: Response<T>): String {
+        val errorBody = errorResponse.errorBody()?.string()
+        val errorCode = "Error Code: ${errorResponse.code()}"
+        val errorMessageString = errorBody.getError()
+
+        //build a log message to log in console
+        val log = if (errorMessageString.isNullOrEmpty()){
+            errorCode
+        }else{
+            StringBuilder()
+                .append(errorCode)
+                .append("\n")
+                .append(errorMessageString)
+                .toString()
+        }
+        Log.e("Api Response Error", log)
+
+        //return error message
+        //if null return error code
+        return errorMessageString ?: errorCode
+    }
+
+    private fun String?.getError(): String? {
+        this?.let {
+            try {
+                //convert response to JSON
+                //extract ["Message"] from error body
+                return JSONObject(it).getString("Message")
+            } catch (e: JSONException) {
+                Log.e(SafeApiCall::class.java.simpleName, e.message)
+            }
+        }
+        return null
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/UserAccountApi.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/UserAccountApi.kt
@@ -0,0 +1,57 @@
+package com.example.minimoneybox.data.network
+
+import com.example.minimoneybox.data.network.interceptors.HeaderInterceptor
+import com.example.minimoneybox.data.network.interceptors.NetworkConnectionInterceptor
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import okhttp3.OkHttpClient
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.Header
+import retrofit2.http.POST
+
+interface UserAccountApi {
+
+    @GET("investorproducts")
+    suspend fun getProductsFromApi(
+        @Header("Authorization") authHeader: String
+    ): Response<ProductApiResponse>
+
+    @POST("oneoffpayments")
+    suspend fun oneOffPaymentsFromApi(
+        @Body body: HashMap<String, Int>,
+        @Header("Authorization") authHeader: String
+    ): Response<PaymentResponse>
+
+    /**
+     * Return [Retrofit] class with api to User accounts
+     * [NetworkConnectionInterceptor] to intercept when there is no network
+     * [HeaderInterceptor] add custom headers to retrofit calls
+     */
+    companion object {
+        operator fun invoke(
+            //injected @params
+            networkConnectionInterceptor: NetworkConnectionInterceptor,
+            customHeaderInterceptor: HeaderInterceptor
+        ): UserAccountApi {
+
+            //okHttpClient with interceptors
+            val okkHttpclient = OkHttpClient.Builder()
+                .addNetworkInterceptor(networkConnectionInterceptor)
+                .addInterceptor(customHeaderInterceptor)
+                .build()
+
+            //retrofit to be used in @Repository
+            return Retrofit.Builder()
+                .client(okkHttpclient)
+                .baseUrl("https://api-test01.moneyboxapp.com/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(UserAccountApi::class.java)
+        }
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/interceptors/HeaderInterceptor.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/interceptors/HeaderInterceptor.kt
@@ -0,0 +1,23 @@
+package com.example.minimoneybox.data.network.interceptors
+
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+
+
+class HeaderInterceptor: Interceptor {
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val original = chain.request()
+
+        val request: Request = original.newBuilder()
+            .header("AppId", "3a97b932a9d449c981b595")
+            .header("Content-Type", "application/json")
+            .header("appVersion","7.8.0")
+            .header("apiVersion", "3.0.0")
+            .method(original.method(), original.body())
+            .build()
+
+        return chain.proceed(request)
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/interceptors/NetworkConnectionInterceptor.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/interceptors/NetworkConnectionInterceptor.kt
@@ -0,0 +1,44 @@
+package com.example.minimoneybox.data.network.interceptors
+
+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+import android.os.Build
+import androidx.annotation.RequiresApi
+import okhttp3.Interceptor
+import okhttp3.Response
+import java.io.IOException
+
+class NetworkConnectionInterceptor(
+    context: Context
+) : Interceptor {
+
+    private val applicationContext = context.applicationContext
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+            && !isInternetAvailable()) {
+            throw IOException("Make sure you have an active data connection")
+        }
+
+        return chain.proceed(chain.request())
+    }
+
+    @RequiresApi(Build.VERSION_CODES.M)
+    private fun isInternetAvailable(): Boolean {
+        var result = false
+        val connectivityManager =
+            applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager?
+        connectivityManager?.let {
+            it.getNetworkCapabilities(connectivityManager.activeNetwork)?.apply {
+                result = when {
+                    hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> true
+                    hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> true
+                    else -> false
+                }
+            }
+        }
+        return result
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/response/LoginResponse.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/response/LoginResponse.kt
@@ -0,0 +1,11 @@
+package com.example.minimoneybox.data.network.response
+
+import com.example.minimoneybox.data.models.SessionObject
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+class LoginResponse(
+    @SerializedName("Session")
+    @Expose
+    val session: SessionObject? = null
+)
--- a/app/src/main/java/com/example/minimoneybox/data/network/response/PaymentResponse.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/response/PaymentResponse.kt
@@ -0,0 +1,11 @@
+package com.example.minimoneybox.data.network.response
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+
+class PaymentResponse {
+    @SerializedName("Moneybox")
+    @Expose
+    var moneybox: Double? = null
+}
--- a/app/src/main/java/com/example/minimoneybox/data/network/response/ProductApiResponse.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/network/response/ProductApiResponse.kt
@@ -0,0 +1,27 @@
+package com.example.minimoneybox.data.network.response
+
+import com.example.minimoneybox.data.models.ProductsResponse
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+
+class ProductApiResponse {
+    @SerializedName("MoneyboxEndOfTaxYear")
+    @Expose
+    var moneyboxEndOfTaxYear: String? = null
+    @SerializedName("TotalPlanValue")
+    @Expose
+    var totalPlanValue: Double? = null
+    @SerializedName("TotalEarnings")
+    @Expose
+    var totalEarnings: Double? = null
+    @SerializedName("TotalContributionsNet")
+    @Expose
+    var totalContributionsNet: Double? = null
+    @SerializedName("TotalEarningsAsPercentage")
+    @Expose
+    var totalEarningsAsPercentage: Double? = null
+    @SerializedName("ProductResponses")
+    @Expose
+    var productsRespons: List<ProductsResponse>? = null
+}
--- a/app/src/main/java/com/example/minimoneybox/data/prefs/KeystoreStorage.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/prefs/KeystoreStorage.kt
@@ -0,0 +1,71 @@
+package com.example.minimoneybox.data.prefs
+
+import android.content.Context
+import devliving.online.securedpreferencestore.DefaultRecoveryHandler
+import devliving.online.securedpreferencestore.SecuredPreferenceStore
+
+const val emailConstant = "EMAIL"
+const val passwordConstant = "PASSWORD"
+const val authToken = "AUTH"
+
+/**
+ * Secured preferences class storing values in keystore
+ * inclusive of version down to [android.os.Build.VERSION_CODES.LOLLIPOP]
+ */
+class KeystoreStorage(context: Context) {
+
+    //lazy initialization
+    private val prefStore: SecuredPreferenceStore by lazy {
+        SecuredPreferenceStore.getSharedInstance()
+    }
+
+    //init block to create instance of
+    init {
+        val storeFileName = "securedStore"
+        val keyPrefix = "mba"
+        val seedKey = "SecuredSeedData".toByteArray()
+        SecuredPreferenceStore.init(
+            context.applicationContext,
+            storeFileName,
+            keyPrefix,
+            seedKey,
+            DefaultRecoveryHandler()
+        )
+    }
+
+    @Synchronized
+    fun saveCredentialsInPrefs(
+        email: String,
+        password: String
+    ) {
+        val editor = prefStore.edit()
+        editor.putString(emailConstant, email)
+        editor.putString(passwordConstant, password)
+
+        editor.apply()
+    }
+
+    @Synchronized
+    fun loadCredentialsFromPrefs(): Pair<String, String> {
+        val email = prefStore.getString(emailConstant, "")
+        val password = prefStore.getString(passwordConstant, "")
+
+        return Pair(email, password)
+    }
+
+    @Synchronized
+    fun saveTokenInPrefs(
+        token: String
+    ) {
+        val editor = prefStore.edit()
+        editor.putString(authToken, token)
+
+        editor.apply()
+    }
+
+    @Synchronized
+    fun loadTokenFromPrefs(): String? {
+        return prefStore.getString(authToken, "")
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/prefs/SecurePrefs.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/prefs/SecurePrefs.kt
@@ -0,0 +1,59 @@
+package com.example.minimoneybox.data.prefs
+
+import android.content.Context
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKeys
+
+
+class SecurePrefs(context: Context){
+
+    val emailConstant = "EMAIL"
+    val passwordConstant = "PASSWORD"
+    val nameConstant = "NAME"
+    val authToken = "AUTH"
+
+    private val masterKeyAlias = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC)
+    private val prefs = EncryptedSharedPreferences.create(
+        "encrypted_shared_prefs",
+        masterKeyAlias,
+        context,
+        EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+        EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+    )
+
+    @Synchronized
+    fun saveCredentialsInPrefs(
+        email: String,
+        password: String
+    ) {
+        val editor = prefs.edit()
+        editor.putString(emailConstant, email)
+        editor.putString(passwordConstant, password)
+
+        editor.apply()
+    }
+
+    @Synchronized
+    fun loadCredentialsFromPrefs(): Pair<String,String> {
+        val email = prefs.getString(emailConstant, "")
+        val password = prefs.getString(passwordConstant, "")
+
+        return Pair(email, password)
+    }
+
+    @Synchronized
+    fun saveTokenInPrefs(
+        token: String
+    ) {
+        val editor = prefs.edit()
+        editor.putString(authToken, token)
+
+        editor.apply()
+    }
+
+    @Synchronized
+    fun loadTokenFromPrefs(): String? {
+        return prefs.getString(authToken, "")
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/data/repository/MoneyBoxRepository.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/repository/MoneyBoxRepository.kt
@@ -0,0 +1,29 @@
+package com.example.minimoneybox.data.repository
+
+import com.example.minimoneybox.data.network.interceptors.HeaderInterceptor
+import com.example.minimoneybox.data.network.interceptors.NetworkConnectionInterceptor
+import com.example.minimoneybox.data.network.response.LoginResponse
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import retrofit2.Retrofit
+
+/**
+ * Repository interface to implement repository methods
+ *
+ */
+interface MoneyBoxRepository {
+
+    suspend fun loginUser(email: String, password: String): LoginResponse?
+
+    fun saveCredentials(email: String, password: String)
+
+    fun loadCredentials(): Pair<String, String>
+
+    fun saveAuthToken(token: String)
+
+    fun loadAuthToken(): String?
+
+    suspend fun getProducts(authCode: String): ProductApiResponse?
+
+    suspend fun oneOffPayment(produceId: Int, authCode: String): PaymentResponse?
+}
--- a/app/src/main/java/com/example/minimoneybox/data/repository/MoneyBoxRepositoryImpl.kt
+++ b/app/src/main/java/com/example/minimoneybox/data/repository/MoneyBoxRepositoryImpl.kt
@@ -0,0 +1,73 @@
+package com.example.minimoneybox.data.repository
+
+import com.example.minimoneybox.data.network.LoginApi
+import com.example.minimoneybox.data.network.UserAccountApi
+import com.example.minimoneybox.data.network.response.LoginResponse
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import com.example.minimoneybox.data.prefs.KeystoreStorage
+import com.example.minimoneybox.data.network.SafeApiCall
+import com.example.minimoneybox.data.network.interceptors.HeaderInterceptor
+import com.example.minimoneybox.data.network.interceptors.NetworkConnectionInterceptor
+import com.google.gson.Gson
+import retrofit2.Retrofit
+
+/**
+ * [MoneyBoxRepository] implementations in this Repository
+ *
+ */
+open class MoneyBoxRepositoryImpl(
+    private val prefs: KeystoreStorage,
+    private val loginApi: LoginApi,
+    private val userAccountApi: UserAccountApi,
+    private val gson: Gson
+) : MoneyBoxRepository, SafeApiCall() {
+
+    override suspend fun loginUser(
+        email: String,
+        password: String
+    ): LoginResponse{
+        val hash = HashMap<String, String>()
+        hash["Email"] = email
+        hash["Password"] = password
+        hash["Idfa"] = "ANYTHING"
+
+        return responseUnwrap{
+            loginApi.loginApiRequest(hash)
+        }
+    }
+
+    override fun saveCredentials(email: String, password: String) {
+        prefs.saveCredentialsInPrefs(email, password)
+    }
+
+    override fun loadCredentials(): Pair<String, String> {
+        return prefs.loadCredentialsFromPrefs()
+    }
+
+    override fun saveAuthToken(token: String) {
+        prefs.saveTokenInPrefs(token)
+    }
+
+    override fun loadAuthToken(): String? {
+        return prefs.loadTokenFromPrefs()
+    }
+
+    override suspend fun getProducts(authCode: String): ProductApiResponse {
+        return responseUnwrap{
+            userAccountApi.getProductsFromApi("Bearer $authCode")
+        }
+    }
+
+    override suspend fun oneOffPayment(
+        produceId: Int, authCode: String
+    ): PaymentResponse? {
+        val hash = HashMap<String, Int>()
+        hash["Amount"] = 20
+        hash["InvestorProductId"] = produceId
+
+        return responseUnwrap {
+            userAccountApi.oneOffPaymentsFromApi(hash,"Bearer $authCode")
+        }
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/login/LoginActivity.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/login/LoginActivity.kt
@@ -0,0 +1,142 @@
+package com.example.minimoneybox.ui.login
+
+import android.animation.Animator
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import com.example.minimoneybox.R
+import com.example.minimoneybox.ui.user.AccountActivity
+import com.example.minimoneybox.utils.displayToast
+import com.example.minimoneybox.utils.hide
+import com.example.minimoneybox.utils.show
+import kotlinx.android.synthetic.main.activity_login.*
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.kodein
+import org.kodein.di.generic.instance
+import java.util.regex.Pattern
+import android.util.Patterns.EMAIL_ADDRESS
+
+/**
+ * A login screen that offers login via email/password.
+ */
+class LoginActivity : AppCompatActivity(), KodeinAware {
+
+    //retrieve the viewmodel factory from the kodein dependency injection
+    override val kodein by kodein()
+    private val factory : LoginViewModelFactory by instance()
+
+    lateinit var viewModel: LoginViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_login)
+        //views replaced with kotlin synthetic views
+        //no need to use findViewById()
+        setupViews()
+        setupViewModel()
+        setupLiveData()
+    }
+
+    override fun onStart() {
+        super.onStart()
+        setupAnimation()
+    }
+
+    private fun setupViews() {
+        btn_sign_in.setOnClickListener {
+            if (allFieldsValid()) {
+                progress_circular.show()
+                startLogin()
+            }
+        }
+    }
+
+    private fun startLogin(){
+        viewModel.attemptLogin(
+            et_email.text.toString(),
+            et_password.text.toString(),
+            et_name.text.toString()
+        )
+    }
+
+    private fun allFieldsValid(): Boolean {
+        var validity = true
+        //Using Android Email address matcher
+        if (!EMAIL_ADDRESS.matcher(et_email.text.toString()).matches()) {
+            til_email.error = getString(R.string.email_address_error)
+            validity = false
+        }
+
+        if (!Pattern.matches(PASSWORD_REGEX, et_password.text.toString())) {
+            til_password.error = getString(R.string.password_error)
+            validity = false
+        }
+
+        if (et_name.text.isNotEmpty() &&
+            !Pattern.matches(NAME_REGEX, et_name.text.toString())
+        ) {
+            til_name.error = getString(R.string.full_name_error)
+            validity = false
+        }
+
+        return validity
+    }
+
+    private fun setupAnimation() {
+        //animation completion listener attached
+        //once the animation has run from frame first to frame last
+        //then set new frame min and max then play animation again
+        animation_view.apply {
+            setAnimation("pig.json")
+            setMinAndMaxFrame(firstAnim.first, firstAnim.second)
+            addAnimatorListener(object : Animator.AnimatorListener {
+                override fun onAnimationEnd(animation: Animator?) {
+                    setMinAndMaxFrame(secondAnim.first, secondAnim.second)
+                    playAnimation()
+                }
+                override fun onAnimationRepeat(animation: Animator?) {}
+                override fun onAnimationCancel(animation: Animator?) {}
+                override fun onAnimationStart(animation: Animator?) {}
+            })
+
+            playAnimation()
+        }
+
+    }
+
+    private fun setupViewModel(){
+        viewModel = ViewModelProviders.of(this, factory).get(LoginViewModel::class.java)
+    }
+
+    private fun setupLiveData(){
+        viewModel.operationFailed.observe(this, Observer {
+            progress_circular.hide()
+            if (it != null) {
+                displayToast(it)
+            }
+        })
+
+        viewModel.operationSuccess.observe(this, Observer {
+            progress_circular.hide()
+            if (it == true){ startNewActivity() }
+        })
+    }
+
+    private fun startNewActivity(){
+        Intent(this, AccountActivity::class.java).apply {
+            flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_SINGLE_TOP
+            putExtra("NAME_USER", viewModel.name);
+            startActivity(this)
+        }
+    }
+
+    companion object {
+        val EMAIL_REGEX = "[^@]+@[^.]+\\..+"
+        val NAME_REGEX = "[a-zA-Z]{6,30}"
+        val PASSWORD_REGEX = "^(?=.*[0-9])(?=.*[A-Z]).{10,50}$"
+        val firstAnim = 0 to 109
+        val secondAnim = 131 to 158
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/login/LoginViewModel.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/login/LoginViewModel.kt
@@ -0,0 +1,57 @@
+package com.example.minimoneybox.ui.login
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.example.minimoneybox.data.repository.MoneyBoxRepository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.IOException
+
+class LoginViewModel(
+    val repository: MoneyBoxRepository
+) : ViewModel() {
+
+    //stored @Nullable value for users name
+    var name: String? = null
+
+    //operation results livedata based on outcome of operation
+    val operationSuccess = MutableLiveData<Boolean>()
+    val operationFailed = MutableLiveData<String>()
+
+    fun attemptLogin(
+        email: String,
+        password: String,
+        usersName: String?
+    ){
+        //clear name before operation
+        name = null
+        //open a coroutine on the IO thread and run async operations
+        //Network calls and secured shared preferences
+        CoroutineScope(Dispatchers.Main).launch {
+            try {
+                //retrieve response from API call from login api network request
+                val response = repository.loginUser(email, password)
+
+                //null safety check to ensure bearer token exists
+                response?.session?.bearerToken?.let {
+                    //save data in secured prefs
+                    repository.saveAuthToken(it)
+                    repository.saveCredentials(email,password)
+
+                    //update name in this viewmodel for later use
+                    name = usersName
+
+                    operationSuccess.postValue(true)
+                    return@launch
+                }
+            }catch (exception: IOException){
+                operationFailed.postValue(
+                    exception.message ?: "could not receive token")
+                return@launch
+            }
+            operationFailed.postValue("Could not login user")
+        }
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/login/LoginViewModelFactory.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/login/LoginViewModelFactory.kt
@@ -0,0 +1,22 @@
+package com.example.minimoneybox.ui.login
+
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.minimoneybox.data.repository.MoneyBoxRepositoryImpl
+
+/**
+ * Viewmodel factory for [UserAccountsViewModel]
+ * @repository injected into MainViewModel
+ */
+@Suppress("UNCHECKED_CAST")
+class LoginViewModelFactory(
+    private val repositoryImpl: MoneyBoxRepositoryImpl
+): ViewModelProvider.NewInstanceFactory(){
+
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        return LoginViewModel(
+            repositoryImpl
+        ) as T
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/AccountActivity.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/AccountActivity.kt
@@ -0,0 +1,80 @@
+package com.example.minimoneybox.ui.user
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentTransaction
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import com.example.minimoneybox.R
+import com.example.minimoneybox.utils.displayToast
+import com.example.minimoneybox.utils.hide
+import com.example.minimoneybox.utils.setAnimation
+import com.example.minimoneybox.utils.show
+import kotlinx.android.synthetic.main.account_activity.*
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.kodein
+import org.kodein.di.generic.instance
+/**
+ * Activity holding the fragments for products.
+ */
+class AccountActivity : AppCompatActivity(), KodeinAware {
+
+    //retrieve the viewmodel factory from the kodein dependency injection
+    override val kodein by kodein()
+    private val factory : UserAccountsViewModelFactory by instance()
+
+    val accountFragmentManager: FragmentManager by lazy {
+        supportFragmentManager
+    }
+
+    //to be used by the fragments
+    lateinit var viewModel: UserAccountsViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.account_activity)
+
+        viewModel = ViewModelProviders
+            .of(this , factory).get(UserAccountsViewModel::class.java)
+        intent.extras?.getString("NAME_USER").let {
+            viewModel.usersName = it
+        }
+
+        if (savedInstanceState == null) {
+            accountFragmentManager.beginTransaction()
+                .replace(R.id.container, UserAccountsFragment())
+                .setAnimation()
+                .commit()
+        }
+
+        fetchData()
+        setupOperationObservers()
+    }
+
+    //override back button
+    //conditional back pressing
+    override fun onBackPressed() {
+        if(accountFragmentManager.backStackEntryCount > 0){
+            accountFragmentManager.popBackStack()
+        }else{
+            super.onBackPressed()
+        }
+    }
+
+    private fun fetchData(){
+        progress_circular_account.show()
+        viewModel.getInvestorProducts()
+    }
+
+    private fun setupOperationObservers(){
+        viewModel.operationSuccess.observe(this, Observer {
+            progress_circular_account.hide()
+        })
+        viewModel.operationFailed.observe(this, Observer {
+            displayToast(it)
+            progress_circular_account.hide()
+        })
+    }
+}
+
--- a/app/src/main/java/com/example/minimoneybox/ui/user/CurrentInvestmentFragment.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/CurrentInvestmentFragment.kt
@@ -0,0 +1,102 @@
+package com.example.minimoneybox.ui.user
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.ProgressBar
+import android.widget.TextView
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import com.example.minimoneybox.R
+import com.example.minimoneybox.data.models.ProductsResponse
+import com.example.minimoneybox.utils.show
+import com.example.minimoneybox.utils.toCurrency
+import kotlinx.android.synthetic.main.account_activity.*
+import kotlinx.android.synthetic.main.investment_fragment.*
+import kotlinx.android.synthetic.main.investment_fragment.view.*
+
+// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+private const val ARG_PARAM1 = "param1"
+
+/**
+ * A Fragment showing product selected in [UserAccountsFragment].
+ */
+class CurrentInvestmentFragment : Fragment() {
+    private var currentItemPosition: Int? = null
+
+    private val accountActivity: AccountActivity by lazy {
+        activity as AccountActivity
+    }
+
+    //grab viewmodel from the activity hosting fragment
+    private val viewModel by lazy {
+        accountActivity.viewModel
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        arguments?.let {
+            currentItemPosition = it.getInt(ARG_PARAM1)
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        // Inflate the layout for this fragment
+        return inflater.inflate(
+            R.layout.investment_fragment, container,
+            false
+        ).apply {
+            //setup Observers after view instantiated
+            setUpObserver()
+        }
+    }
+
+    private fun setUpObserver(){
+        viewModel.plans.observe(this, Observer { list ->
+            //get list of products
+            currentItemPosition?.let {
+                populateViews(list[it])
+            }
+        })
+    }
+
+    //setting up views via kotlin synthetics
+    //assign text and button on click
+    private fun populateViews(currentProducts: ProductsResponse) {
+        account_name_tv.text = currentProducts.product?.name
+        friendly_account_tv.text = currentProducts.product?.friendlyName
+        plan_val_tv.text = currentProducts.planValue?.toCurrency()
+        moneybox_val_tv.text = currentProducts.moneybox?.toCurrency()
+        btn_add_20.setOnClickListener {
+            currentProducts.id?.let { id -> addOneOffPayment(id) }
+        }
+    }
+
+    private fun addOneOffPayment(id: Int) {
+        currentItemPosition?.let {
+            accountActivity.progress_circular_account.show()
+            viewModel.oneOffPayment(id)
+        }
+    }
+
+    companion object {
+        /**
+         * fragment Instance using the provided parameters.
+         *
+         * @param param1 Parameter 1.
+         * @return A new instance of fragment CurrentInvestmentFragment.
+         */
+        @JvmStatic
+        fun newInstance(param1: Int) =
+            CurrentInvestmentFragment().apply {
+                arguments = Bundle().apply {
+                    putInt(ARG_PARAM1, param1)
+                }
+            }
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsFragment.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsFragment.kt
@@ -0,0 +1,92 @@
+package com.example.minimoneybox.ui.user
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.minimoneybox.R
+import com.example.minimoneybox.ui.user.recyclerview.ProductsAdapter
+import com.example.minimoneybox.ui.user.recyclerview.RecyclerClickListener
+import com.example.minimoneybox.utils.setAnimation
+import com.example.minimoneybox.utils.toCurrency
+import kotlinx.android.synthetic.main.user_accounts_fragment.*
+
+/**
+ * A Fragment showing the first overview of products list.
+ */
+class UserAccountsFragment : Fragment(),
+    RecyclerClickListener {
+
+    private val viewModel by lazy {
+        (activity as AccountActivity).viewModel
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(
+            R.layout.user_accounts_fragment, container, false
+        )
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        setupDataObservers()
+        setupName()
+        setupRecyclerView()
+    }
+
+    private fun setupRecyclerView() {
+        products_recycler_view.apply {
+            setHasFixedSize(false)
+            layoutManager = LinearLayoutManager(context)
+        }
+    }
+
+    private fun setupName() {
+        val name = viewModel.usersName
+
+        user_name_tv.text = if (name.isNullOrEmpty()) {
+            "Hello !"
+        } else {
+            "Hello $name !"
+        }
+    }
+
+    private fun setupDataObservers() {
+        viewModel.totalPlanValue.observe(this, Observer { planValue ->
+            total_plan_val_tv.text = getTotalString(planValue)
+        })
+        viewModel.plans.observe(this, Observer {
+            ProductsAdapter(
+                it, this).apply {
+                products_recycler_view.adapter = this
+                notifyDataSetChanged()
+            }
+        })
+    }
+
+    private fun getTotalString(planValue: Double?): CharSequence? {
+        return StringBuilder()
+            .append("Total Plan: ")
+            .append(planValue?.toCurrency())
+            .toString()
+    }
+
+    override fun onItemSelected(position: Int) {
+        (activity as AccountActivity).accountFragmentManager
+            .beginTransaction()
+            .replace(
+                R.id.container,
+                CurrentInvestmentFragment.newInstance(position)
+            )
+            .setAnimation()
+            .addToBackStack("CurrentInvestment")
+            .commit()
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsViewModel.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsViewModel.kt
@@ -0,0 +1,129 @@
+package com.example.minimoneybox.ui.user
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.example.minimoneybox.data.models.ProductsResponse
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import com.example.minimoneybox.data.repository.MoneyBoxRepository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.IOException
+
+class UserAccountsViewModel(
+    val repository: MoneyBoxRepository
+) : ViewModel() {
+
+    var usersName: String? = null
+
+    val totalPlanValue = MutableLiveData<Double>()
+    val plans = MutableLiveData<List<ProductsResponse>>()
+
+    //operation results livedata based on outcome of operation
+    val operationSuccess = MutableLiveData<Boolean>()
+    val operationFailed = MutableLiveData<String>()
+
+    fun getInvestorProducts(){
+        //retrieve auth token from safe storage/keystore
+        //or finish operation
+        val token = repository.loadAuthToken()
+        if (token.isNullOrEmpty()){
+            operationFailed.postValue("Failed to retrieve token")
+            return
+        }
+
+        //open a coroutine on the IO thread and run async operations
+        //Network calls and secured shared preferences
+        CoroutineScope(Dispatchers.IO).launch {
+            try {
+                repository.getProducts(token)?.let {
+                    getProducts(it)
+                    return@launch
+                }
+            }catch (exception: IOException){
+                val credential = repository.loadCredentials()
+                val loginResponse =
+                    repository.loginUser(credential.first, credential.second)
+
+                val code = loginResponse?.session?.bearerToken?.let {
+                    repository.saveAuthToken(it)
+                    it
+                }
+
+                //retrieve response from API call from login api network request
+                val response = code?.let { repository.getProducts(it) }
+                response?.let {
+                    getProducts(it)
+                    return@launch
+                }
+            }catch (exception: IOException){
+                operationFailed.postValue(exception.message)
+                return@launch
+            }
+            operationFailed.postValue("Could not retrieve products")
+        }
+    }
+
+    fun oneOffPayment(productId: Int){
+        //retrieve auth token from safe storage/keystore
+        //or finish operation
+        val token = repository.loadAuthToken()
+        if (token.isNullOrEmpty()){
+            operationFailed.postValue("Failed to retrieve token")
+            return
+        }
+
+        //open a coroutine on the IO thread and run async operations
+        //Network calls and secured shared preferences
+        CoroutineScope(Dispatchers.IO).launch {
+            try {
+                //retrieve response from API call from for one off repayment
+                repository.oneOffPayment(productId, token)?.let {
+                    oneOffPaymentResponse(it)
+                    return@launch
+                }
+            }catch (exception: IOException){
+                val credential = repository.loadCredentials()
+                val loginResponse =
+                    repository.loginUser(credential.first, credential.second)
+
+                val code = loginResponse?.session?.bearerToken?.let {
+                    repository.saveAuthToken(it)
+                    it
+                }
+                //retrieve response from API call from login api network request
+                val response = code?.let {
+                    repository.oneOffPayment(productId, code) }
+                response?.let {
+                    oneOffPaymentResponse(it)
+                    return@launch
+                }
+            }catch (exception: IOException){
+                operationFailed.postValue(exception.message)
+                return@launch
+            }
+            operationFailed.postValue("Could not retrieve products")
+        }
+    }
+
+    private fun getProducts(response: ProductApiResponse){
+        response.let {
+            //update livedata with relevent data
+            totalPlanValue.postValue(it.totalPlanValue)
+            plans.postValue(it.productsRespons)
+
+            operationSuccess.postValue(true)
+        }
+    }
+
+    private fun oneOffPaymentResponse(response: PaymentResponse){
+        //null safety check to ensure bearer token exists
+        response.moneybox?.let {
+            getInvestorProducts()
+
+            operationSuccess.postValue(true)
+        }
+    }
+
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsViewModelFactory.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/UserAccountsViewModelFactory.kt
@@ -0,0 +1,21 @@
+package com.example.minimoneybox.ui.user
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.minimoneybox.data.repository.MoneyBoxRepositoryImpl
+
+/**
+ * Viewmodel factory for [UserAccountsViewModel]
+ * @repository injected into MainViewModel
+ */
+@Suppress("UNCHECKED_CAST")
+class UserAccountsViewModelFactory(
+    private val repositoryImpl: MoneyBoxRepositoryImpl
+): ViewModelProvider.NewInstanceFactory(){
+
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        return UserAccountsViewModel(
+            repositoryImpl
+        ) as T
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/recyclerview/ProductsAdapter.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/recyclerview/ProductsAdapter.kt
@@ -0,0 +1,49 @@
+package com.example.minimoneybox.ui.user.recyclerview
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.example.minimoneybox.R
+import com.example.minimoneybox.data.models.ProductsResponse
+import com.example.minimoneybox.utils.toCurrency
+import kotlinx.android.synthetic.main.products_list_item.view.*
+import androidx.recyclerview.widget.RecyclerView.Adapter
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+
+/**
+ * [ProductsResponse] recycler view adapter
+ */
+class ProductsAdapter(
+    private val products: List<ProductsResponse>,
+    private val recyclerClickListener: RecyclerClickListener
+): Adapter<ProductsAdapter.ProductsViewHolder>() {
+
+    class ProductsViewHolder(view: View) :
+        ViewHolder(view) {
+        var name = view.name_tv
+        var planValue = view.plan_val_tv
+        var moneyBoxVal = view.moneybox_val_tv
+    }
+
+    override fun onCreateViewHolder(p0: ViewGroup, p1: Int): ProductsViewHolder {
+        val view = LayoutInflater.from(p0.context)
+            .inflate(R.layout.products_list_item, p0, false)
+
+        return ProductsViewHolder(view)
+    }
+
+    override fun getItemCount(): Int = products.size
+
+    override fun onBindViewHolder(p0: ProductsViewHolder, p1: Int) {
+        p0.name.text = products[p1].product?.friendlyName
+        p0.planValue.text = products[p1].planValue?.toCurrency()
+        p0.moneyBoxVal.text = products[p1].moneybox?.toCurrency()
+
+        p0.itemView.setOnClickListener {
+            recyclerClickListener.onItemSelected(p1)
+        }
+    }
+
+
+
+}
--- a/app/src/main/java/com/example/minimoneybox/ui/user/recyclerview/RecyclerClickListener.kt
+++ b/app/src/main/java/com/example/minimoneybox/ui/user/recyclerview/RecyclerClickListener.kt
@@ -0,0 +1,5 @@
+package com.example.minimoneybox.ui.user.recyclerview
+
+interface RecyclerClickListener {
+    fun onItemSelected(position: Int)
+}
--- a/app/src/main/java/com/example/minimoneybox/utils/FormattingUtils.kt
+++ b/app/src/main/java/com/example/minimoneybox/utils/FormattingUtils.kt
@@ -0,0 +1,12 @@
+package com.example.minimoneybox.utils
+
+import java.text.NumberFormat
+import java.util.*
+
+fun Double.toCurrency(): String{
+    NumberFormat.getCurrencyInstance().apply {
+        maximumFractionDigits = 2
+        currency = Currency.getInstance("GBP")
+        return format(this@toCurrency)
+    }
+}
--- a/app/src/main/java/com/example/minimoneybox/utils/ViewUtils.kt
+++ b/app/src/main/java/com/example/minimoneybox/utils/ViewUtils.kt
@@ -0,0 +1,27 @@
+package com.example.minimoneybox.utils
+
+import android.content.Context
+import android.view.View
+import android.widget.Toast
+import androidx.fragment.app.FragmentTransaction
+
+fun View.show(){
+    this.visibility = View.VISIBLE
+}
+
+fun View.hide(){
+    this.visibility = View.GONE
+}
+
+fun Context.displayToast(message: String){
+    Toast.makeText(this, message, Toast.LENGTH_LONG).show()
+}
+
+fun FragmentTransaction.setAnimation() = apply {
+    setCustomAnimations(
+        android.R.anim.fade_in,
+        android.R.anim.fade_out,
+        android.R.anim.fade_in,
+        android.R.anim.fade_out
+    )
+}
--- a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>
--- a/app/src/main/res/drawable/background_button_colored_rounded_medium.xml
+++ b/app/src/main/res/drawable/background_button_colored_rounded_medium.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="?android:attr/colorControlHighlight">
+
+    <item android:id="@android:id/mask">
+        <shape android:shape="rectangle">
+            <solid android:color="#000000" />
+            <corners android:radius="4dp" />
+        </shape>
+    </item>
+
+    <item>
+        <shape android:shape="rectangle">
+            <corners android:radius="24dp" />
+            <solid android:color="@color/colorAccent" />
+        </shape>
+    </item>
+
+</ripple>
--- a/app/src/main/res/drawable/background_edit_text.xml
+++ b/app/src/main/res/drawable/background_edit_text.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <layer-list >
+            <item
+                android:bottom="1dp"
+                android:left="-2dp"
+                android:right="-2dp"
+                android:top="-2dp">
+                <shape android:shape="rectangle" >
+                    <stroke
+                        android:width="1dp"
+                        android:color="?attr/colorControlActivated" />
+
+                    <solid android:color="#00FFFFFF" />
+
+                    <padding android:left="-2dp"
+                        android:right="-2dp"
+                        android:top="8dp"
+                        android:bottom="8dp" />
+                </shape>
+            </item>
+
+        </layer-list>
+    </item>
+    <item android:state_focused="true">
+        <layer-list >
+            <item
+                android:bottom="1dp"
+                android:left="-2dp"
+                android:right="-2dp"
+                android:top="-2dp">
+                <shape android:shape="rectangle" >
+                    <stroke
+                        android:width="1dp"
+                        android:color="@color/colorAccent" />
+
+                    <solid android:color="#00FFFFFF" />
+
+                    <padding android:left="-2dp"
+                        android:right="-2dp"
+                        android:top="8dp"
+                        android:bottom="8dp" />
+                </shape>
+            </item>
+
+        </layer-list>
+    </item>
+    <item>
+        <layer-list >
+            <item
+                android:bottom="1dp"
+                android:left="-2dp"
+                android:right="-2dp"
+                android:top="-2dp">
+                <shape android:shape="rectangle" >
+                    <stroke
+                        android:width="1dp"
+                        android:color="@color/light_grey" />
+
+                    <solid android:color="#00FFFFFF" />
+
+                    <padding android:left="-2dp"
+                        android:right="-2dp"
+                        android:top="8dp"
+                        android:bottom="8dp" />
+                </shape>
+            </item>
+
+        </layer-list>
+    </item>
+
+</selector>
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#008577"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
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--- a/app/src/main/res/layout/account_activity.xml
+++ b/app/src/main/res/layout/account_activity.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.user.AccountActivity" >
+
+    <ProgressBar
+        android:id="@+id/progress_circular_account"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        tools:visibility="visible"
+        android:elevation="12dp"
+        android:layout_gravity="center"/>
+</FrameLayout>
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center_horizontal"
+    android:orientation="vertical"
+    tools:context=".ui.login.LoginActivity">
+
+    <ImageView
+        android:id="@+id/img_logo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="48dp"
+        android:src="@drawable/moneybox_logo"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/til_email"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="48dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        android:layout_marginLeft="18dp"
+        android:layout_marginRight="18dp"
+        app:layout_constraintTop_toBottomOf="@+id/img_logo">
+
+        <EditText
+            android:id="@+id/et_email"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/prompt_email"
+            android:inputType="textEmailAddress"
+            android:maxLines="1"
+            android:singleLine="true" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/til_password"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        android:layout_marginLeft="18dp"
+        android:layout_marginRight="18dp"
+        app:layout_constraintTop_toBottomOf="@+id/til_email">
+
+        <EditText
+            android:id="@+id/et_password"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/prompt_password"
+            android:imeActionLabel="@string/action_sign_in_short"
+            android:inputType="textPassword"
+            android:maxLines="1"
+            android:singleLine="true" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/til_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        android:layout_marginLeft="18dp"
+        android:layout_marginRight="18dp"
+        app:layout_constraintTop_toBottomOf="@+id/til_password">
+
+        <EditText
+            android:id="@+id/et_name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/prompt_full_name"
+            android:inputType="textPersonName"
+            android:maxLines="1"
+            android:singleLine="true" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.airbnb.lottie.LottieAnimationView
+        android:id="@+id/animation_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:scaleType="fitEnd"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/btn_sign_in"
+        tools:layout_height="40dp"
+        tools:layout_width="40dp" />
+
+    <Button
+        android:id="@+id/btn_sign_in"
+        style="@style/Widget.Button.Colored.Rounded"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:text="@string/action_sign_in"
+        android:textStyle="bold"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/til_name"
+        app:layout_constraintBottom_toBottomOf="parent"/>
+
+    <ProgressBar
+        android:id="@+id/progress_circular"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        tools:visibility="visible"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"/>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/investment_fragment.xml
+++ b/app/src/main/res/layout/investment_fragment.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@color/light_grey"
+    android:id="@+id/useraccounts"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.user.AccountActivity">
+
+    <TextView
+        android:id="@+id/account_name_tv"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_margin="12dp"
+        android:textColor="@color/dark_text"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/hello" />
+
+    <TextView
+        android:id="@+id/friendly_account_tv"
+        app:layout_constraintTop_toBottomOf="@id/account_name_tv"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:textColor="@color/dark_text"
+        android:layout_margin="12dp"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        tools:text="Total Plan: £7000" />
+
+    <TextView
+        android:id="@+id/plan_val_tv"
+        app:layout_constraintTop_toBottomOf="@id/friendly_account_tv"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_margin="12dp"
+        android:textColor="@color/dark_text"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/hello" />
+
+    <TextView
+        android:id="@+id/moneybox_val_tv"
+        app:layout_constraintTop_toBottomOf="@id/plan_val_tv"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:textColor="@color/dark_text"
+        android:layout_margin="12dp"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        tools:text="Total Plan: £7000" />
+
+    <Button
+        android:id="@+id/btn_add_20"
+        style="@style/Widget.Button.Colored.Rounded"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:text="@string/add_20"
+        android:textStyle="bold"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/moneybox_val_tv"
+        app:layout_constraintBottom_toBottomOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/products_list_item.xml
+++ b/app/src/main/res/layout/products_list_item.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@color/light_grey"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="12dp"
+        android:padding="12dp"
+        app:cardCornerRadius="22dp"
+        tools:layout_height="150dp">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:padding="8dp"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+                android:id="@+id/name_tv"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/vertical_spacing_text"
+                tools:text="Stocks &amp; Shares ISA"
+                android:textColor="@color/colorAccent"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toLeftOf="@id/icon"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/plan_val_tv"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/vertical_spacing_text"
+                tools:text="Plan Value: £4000"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                android:textColor="@color/colorAccent"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toLeftOf="@id/icon"
+                app:layout_constraintTop_toBottomOf="@id/name_tv" />
+
+            <TextView
+                android:id="@+id/moneybox_val_tv"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/vertical_spacing_text"
+                tools:text="Moneybox: £4000"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                android:textColor="@color/colorAccent"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toLeftOf="@id/icon"
+                app:layout_constraintTop_toBottomOf="@id/plan_val_tv" />
+
+            <TextView
+                android:id="@+id/icon"
+                android:layout_width="wrap_content"
+                android:layout_height="0dp"
+                android:layout_margin="12dp"
+                android:gravity="center"
+                android:text=">"
+                android:textColor="@color/colorPrimaryDark"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    </androidx.cardview.widget.CardView>
+
+</FrameLayout>
--- a/app/src/main/res/layout/user_accounts_fragment.xml
+++ b/app/src/main/res/layout/user_accounts_fragment.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@color/light_grey"
+    android:id="@+id/useraccounts"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/user_name_tv"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:layout_margin="12dp"
+        android:textColor="@color/dark_text"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/hello" />
+
+    <TextView
+        android:id="@+id/total_plan_val_tv"
+        app:layout_constraintTop_toBottomOf="@id/user_name_tv"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        android:textColor="@color/dark_text"
+        android:layout_margin="12dp"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        tools:text="Total Plan: £7000" />
+
+    <LinearLayout
+        android:id="@+id/linear_layout"
+        app:layout_constraintTop_toBottomOf="@id/total_plan_val_tv"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:textStyle="bold"
+        android:textSize="24sp"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="12dp"
+        tools:text="Total Plan: £7000"
+        android:orientation="vertical">
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/products_recycler_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/products_list_item"/>
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">@color/white</color>
+    <color name="colorPrimaryDark">#546270</color>
+    <color name="colorAccent">#49bfbd</color>
+    <color name="white">#ffffff</color>
+    <color name="light_grey">#dde0e2</color>
+
+    <color name="dark_text">#006179</color>
+    #006179
+
+
+</resources>
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,7 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+    <dimen name="vertical_spacing_text">6dp</dimen>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,20 @@
+<resources>
+    <string name="app_name">MiniMoneybox</string>
+    <!-- Strings related to login -->
+    <string name="prompt_email">Email</string>
+    <string name="prompt_password">Password</string>
+    <string name="prompt_full_name">Full Name (optional)</string>
+    <string name="action_sign_in">Sign in</string>
+    <string name="action_sign_in_short">Sign in</string>
+    <string name="error_incorrect_password">This password is incorrect</string>
+    <string name="email_address_error">Please enter a correct email address</string>
+    <string name="password_error">Please enter a correct password</string>
+    <string name="full_name_error">Please enter your full name</string>
+    <string name="input_valid">Input is valid!</string>
+    <string name="hello">Hello !</string>
+
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="add_20">Add £20</string>
+    <string name="session_expired">Your session has expired. Please close the app and log in again.</string>
+</resources>
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,26 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="Widget.Button.Colored.Rounded" parent="Widget.AppCompat.Button.Borderless.Colored">
+        <item name="android:textSize">14sp</item>
+        <item name="android:layout_height">44dp</item>
+        <item name="android:background">@drawable/background_button_colored_rounded_medium</item>
+        <item name="android:textColor">@color/white</item>
+    </style>
+
+    <style name="Widget.Moneybox.EditText" parent="Widget.AppCompat.EditText">
+        <item name="android:background">@drawable/background_edit_text</item>
+        <item name="android:lineSpacingExtra">8sp</item>
+        <item name="android:textColor">@color/colorPrimaryDark</item>
+    </style>
+
+</resources>
--- a/app/src/test/java/com/example/minimoneybox/ExampleUnitTest.kt
+++ b/app/src/test/java/com/example/minimoneybox/ExampleUnitTest.kt
@@ -0,0 +1,16 @@
+package com.example.minimoneybox
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
--- a/app/src/test/java/com/example/minimoneybox/TestUtils.kt
+++ b/app/src/test/java/com/example/minimoneybox/TestUtils.kt
@@ -0,0 +1,9 @@
+package com.example.minimoneybox
+
+import androidx.lifecycle.LiveData
+import com.example.minimoneybox.ui.OneTimeObserver
+
+fun <T> LiveData<T>.observeOnce(onChangeHandler: (T) -> Unit) {
+    val observer = OneTimeObserver(handler = onChangeHandler)
+    observe(observer, observer)
+}
--- a/app/src/test/java/com/example/minimoneybox/data/repository/RepositoryNetworkTest.kt
+++ b/app/src/test/java/com/example/minimoneybox/data/repository/RepositoryNetworkTest.kt
@@ -0,0 +1,160 @@
+package com.example.minimoneybox.data.repository
+
+import com.example.minimoneybox.data.network.LoginApi
+import com.example.minimoneybox.data.network.UserAccountApi
+import com.example.minimoneybox.data.network.response.LoginResponse
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import com.example.minimoneybox.data.prefs.KeystoreStorage
+import com.google.gson.Gson
+import kotlinx.coroutines.runBlocking
+import okhttp3.ResponseBody
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.Mockito.mock
+import org.mockito.MockitoAnnotations
+import retrofit2.Response
+import java.io.IOException
+import kotlin.test.assertFailsWith
+
+
+class RepositoryNetworkTest{
+
+    lateinit var repository: MoneyBoxRepository
+
+    @Mock
+    lateinit var api: LoginApi
+    @Mock
+    lateinit var securePrefs: KeystoreStorage
+    @Mock
+    lateinit var userAccountApi: UserAccountApi
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        repository = MoneyBoxRepositoryImpl(securePrefs, api, userAccountApi, Gson())
+    }
+
+    @Test
+    fun loginUser_positiveResponse() = runBlocking {
+        //GIVEN - Create the hashmap used in the function
+        val hash = HashMap<String, String>()
+        hash["Email"] = "email"
+        hash["Password"] = "password"
+        hash["Idfa"] = "ANYTHING"
+        //create a successful retrofit response
+        val mockLoginResponse = mock(LoginResponse::class.java)
+        val re = Response.success(mockLoginResponse)
+
+        //WHEN - loginApiRequest to return a successful response
+        Mockito.`when`(api.loginApiRequest(hash)).thenReturn(re)
+
+        //THEN - the unwrapped login response contains the correct values
+        val login = repository.loginUser("email","password")
+        assertNotNull(login)
+        assertEquals(login, mockLoginResponse)
+    }
+
+    @Test
+    fun getInvestmentProducts_positiveResponse() = runBlocking {
+        //GIVEN
+        val mockProductsResponse = mock(ProductApiResponse::class.java)
+        val re = Response.success(mockProductsResponse)
+
+        //WHEN
+        Mockito.`when`(userAccountApi.getProductsFromApi("Bearer ")).thenReturn(re)
+
+        //THEN
+        val products = repository.getProducts("")
+        assertNotNull(products)
+        assertEquals(products, mockProductsResponse)
+    }
+
+    @Test
+    fun pushOneOffPayment_positiveResponse() = runBlocking {
+        //GIVEN
+        val hash = HashMap<String, Int>()
+        hash["Amount"] = 20
+        hash["InvestorProductId"] = 1674
+        val mockPaymentsResponse = mock(PaymentResponse::class.java)
+        val re = Response.success(mockPaymentsResponse)
+
+        //WHEN
+        Mockito.`when`(userAccountApi.oneOffPaymentsFromApi(hash, "Bearer 133nhdk12l58dmHJBNmd=")).thenReturn(re)
+
+        //THEN
+        val products = repository.oneOffPayment(1674,"133nhdk12l58dmHJBNmd=")
+        assertNotNull(products)
+        assertEquals(products, mockPaymentsResponse)
+    }
+
+    @Test
+    fun loginUser_negativeResponse() = runBlocking {
+        //GIVEN
+        val hash = HashMap<String, String>()
+        hash["Email"] = "email"
+        hash["Password"] = "password"
+        hash["Idfa"] = "ANYTHING"
+        //mock retrofit error response
+        val mockBody = mock(ResponseBody::class.java)
+        val mockRaw = mock(okhttp3.Response::class.java)
+        val re = Response.error<String>(mockBody, mockRaw)
+
+        //WHEN
+        Mockito.`when`(api.loginApiRequest(hash)).then { re }
+
+        //THEN - assert exception is not null
+        val ioExceptionReturned= assertFailsWith<IOException> {
+            repository.loginUser("email","password")
+        }
+        assertNotNull(ioExceptionReturned)
+        assertNotNull(ioExceptionReturned.message)
+    }
+
+    @Test
+    fun getInvestmentProducts_negativeResponse() = runBlocking {
+        //GIVEN
+        val mockBody = mock(ResponseBody::class.java)
+        val mockRaw = mock(okhttp3.Response::class.java)
+        val re = Response.error<String>(mockBody, mockRaw)
+
+        //WHEN
+        Mockito.`when`(userAccountApi.getProductsFromApi("Bearer ")).then { re }
+
+        //THEN
+        val ioExceptionReturned= assertFailsWith<IOException> {
+            repository.getProducts("")
+        }
+
+        assertNotNull(ioExceptionReturned)
+        assertNotNull(ioExceptionReturned.message)
+    }
+
+    @Test
+    fun pushOneOffPayment_negativeResponse() = runBlocking {
+        //GIVEN
+        val hash = HashMap<String, Int>()
+        hash["Amount"] = 20
+        hash["InvestorProductId"] = 1674
+
+        val mockBody = mock(ResponseBody::class.java)
+        val mockRaw = mock(okhttp3.Response::class.java)
+        val re = Response.error<String>(mockBody, mockRaw)
+
+        //WHEN
+        Mockito.`when`(userAccountApi.oneOffPaymentsFromApi(hash, "Bearer ")).then { re }
+
+        //THEN
+        val ioExceptionReturned= assertFailsWith<IOException> {
+            repository.oneOffPayment(1674,"")
+        }
+
+        assertNotNull(ioExceptionReturned)
+        assertNotNull(ioExceptionReturned.message)
+    }
+
+}
--- a/app/src/test/java/com/example/minimoneybox/data/repository/RepositoryStorageTest.kt
+++ b/app/src/test/java/com/example/minimoneybox/data/repository/RepositoryStorageTest.kt
@@ -0,0 +1,56 @@
+package com.example.minimoneybox.data.repository
+
+import com.example.minimoneybox.data.network.LoginApi
+import com.example.minimoneybox.data.network.UserAccountApi
+import com.example.minimoneybox.data.prefs.KeystoreStorage
+import com.google.gson.Gson
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.MockitoAnnotations
+
+class RepositoryStorageTest {
+
+    lateinit var repository: MoneyBoxRepository
+
+    @Mock
+    lateinit var api: LoginApi
+    @Mock
+    lateinit var securePrefs: KeystoreStorage
+    @Mock
+    lateinit var userAccountApi: UserAccountApi
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        repository = MoneyBoxRepositoryImpl(securePrefs, api, userAccountApi, Gson())
+    }
+
+    @Test
+    fun saveAndRetrieve_PositiveResponse() {
+        //GIVEN
+        val token = "92RG9qYRq5sUUaoJuolORfZORb9G6n014X2I="
+        repository.saveAuthToken(token)
+
+        //WHEN
+        Mockito.`when`(securePrefs.loadTokenFromPrefs()).thenReturn(token)
+
+        //THEN
+        assertEquals(token, repository.loadAuthToken())
+    }
+
+    @Test
+    fun saveAndRetrieveCredentials_PositiveResponse() {
+        //GIVEN
+        val pair: Pair<String, String> = Pair("forename", "Surname")
+        repository.saveCredentials("forename", "Surname")
+
+        //WHEN
+        Mockito.`when`(securePrefs.loadCredentialsFromPrefs()).thenReturn(pair)
+
+        //THEN
+        assertEquals(pair, repository.loadCredentials())
+    }
+}
--- a/app/src/test/java/com/example/minimoneybox/ui/OneTimeObserver.kt
+++ b/app/src/test/java/com/example/minimoneybox/ui/OneTimeObserver.kt
@@ -0,0 +1,21 @@
+package com.example.minimoneybox.ui
+
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LifecycleRegistry
+import androidx.lifecycle.Observer
+
+class OneTimeObserver<T>(private val handler: (T) -> Unit) : Observer<T>, LifecycleOwner {
+    private val lifecycle = LifecycleRegistry(this)
+
+    init {
+        lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    }
+
+    override fun getLifecycle(): Lifecycle = lifecycle
+
+    override fun onChanged(t: T) {
+        handler(t)
+        lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    }
+}
--- a/app/src/test/java/com/example/minimoneybox/ui/login/LoginViewModelTest.kt
+++ b/app/src/test/java/com/example/minimoneybox/ui/login/LoginViewModelTest.kt
@@ -0,0 +1,67 @@
+package com.example.minimoneybox.ui.login
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import com.example.minimoneybox.data.models.SessionObject
+import com.example.minimoneybox.data.network.response.LoginResponse
+import com.example.minimoneybox.data.repository.MoneyBoxRepository
+import com.example.minimoneybox.observeOnce
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.MockitoAnnotations
+import java.io.IOException
+
+
+class LoginViewModelTest {
+
+    // Run tasks synchronously
+    @get:Rule
+    val instantTaskExecutorRule: InstantTaskExecutorRule = InstantTaskExecutorRule()
+
+    lateinit var viewModel: LoginViewModel
+
+    @Mock
+    lateinit var repository: MoneyBoxRepository
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        viewModel = LoginViewModel(repository)
+    }
+
+    @Test
+    fun attemptLogin_validCredentials_successResponse() = runBlocking{
+        //GIVEN
+        val sessionObject = SessionObject()
+        sessionObject.bearerToken = "123456"
+        val loginResponse = LoginResponse(sessionObject)
+
+        //WHEN
+        Mockito.`when`(repository.loginUser("email","password"))
+            .thenReturn(loginResponse)
+
+        //THEN
+        viewModel.operationSuccess.observeOnce {
+            print(it.toString())
+            assertEquals(true, it)
+        }
+    }
+
+    @Test
+    fun attemptLogin_validCredentials_unsuccessfulResponse() = runBlocking{
+        //GIVEN
+        val errorMessage = "Could not login user"
+        //WHEN
+        Mockito.`when`(repository.loginUser("email","password"))
+            .thenAnswer { throw IOException() }
+
+        //THEN
+        viewModel.operationFailed.observeOnce {
+            assertEquals(errorMessage, it)
+        }
+    }
+}
--- a/app/src/test/java/com/example/minimoneybox/ui/user/UserAccountsViewModelTest.kt
+++ b/app/src/test/java/com/example/minimoneybox/ui/user/UserAccountsViewModelTest.kt
@@ -0,0 +1,140 @@
+package com.example.minimoneybox.ui.user
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import com.example.minimoneybox.data.network.response.PaymentResponse
+import com.example.minimoneybox.data.network.response.ProductApiResponse
+import com.example.minimoneybox.data.repository.MoneyBoxRepository
+import com.example.minimoneybox.observeOnce
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.Mockito.mock
+import org.mockito.MockitoAnnotations
+import java.io.IOException
+
+class UserAccountsViewModelTest{
+    // Run tasks synchronously
+    @get:Rule
+    val instantTaskExecutorRule: InstantTaskExecutorRule = InstantTaskExecutorRule()
+
+    lateinit var viewModel: UserAccountsViewModel
+
+    @Mock
+    lateinit var repository: MoneyBoxRepository
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        viewModel = UserAccountsViewModel(repository)
+    }
+
+    @Test
+    fun getProducts_validCredentials_successResponse() = runBlocking{
+        //GIVEN
+        val token = "123456"
+        val product = mock(ProductApiResponse::class.java)
+
+        //WHEN
+        Mockito.`when`(repository.loadAuthToken()).thenReturn(token)
+        Mockito.`when`(repository.getProducts(token)).thenReturn(product)
+
+        //THEN
+        viewModel.getInvestorProducts()
+        viewModel.operationSuccess.observeOnce {
+            assertEquals(true, it)
+        }
+    }
+
+    @Test
+    fun getProducts_validCredentials_unsuccessfulResponse() = runBlocking{
+        //GIVEN
+        val token = "123456"
+        val errorMessage = "Could not retrieve products"
+
+        //WHEN
+        Mockito.`when`(repository.loadAuthToken()).thenReturn(token)
+        Mockito.`when`(repository.getProducts(token)).thenAnswer { throw IOException(errorMessage) }
+
+        //THEN
+        viewModel.getInvestorProducts()
+        viewModel.operationFailed.observeOnce {
+            assertEquals(errorMessage, it)
+        }
+    }
+
+    @Test
+    fun getProducts_invalidCredentials_unsuccessfulResponse() = runBlocking{
+        //GIVEN
+        val errorMessage = "Failed to retrieve token"
+
+        //WHEN
+        Mockito.`when`(repository.loadAuthToken()).thenReturn(null)
+
+        //THEN
+        viewModel.getInvestorProducts()
+        viewModel.operationFailed.observeOnce {
+            assertEquals(errorMessage, it)
+        }
+    }
+
+    @Test
+    fun oneOffPayment_validCredentials_successResponse() = runBlocking{
+        //GIVEN
+        val productId = 2020
+        val token = "123456"
+        val product = mock(PaymentResponse::class.java)
+
+        //WHEN
+        Mockito.`when`(repository.loadAuthToken()).thenReturn(token)
+        Mockito.`when`(repository.oneOffPayment(productId,token)).thenReturn(product)
+
+        //THEN
+        viewModel.oneOffPayment(2020)
+        viewModel.operationSuccess.observeOnce {
+            assertEquals(true, it)
+        }
+    }
+
+    @Test
+    fun oneOffPayment_validCredentials_unsuccessfulResponse() = runBlocking{
+        //GIVEN
+        val productId = 2020
+        val token = "123456"
+        val errorMessage = "Could not post payment"
+
+        //WHEN
+        Mockito.`when`(repository.loadAuthToken()).thenReturn(token)
+        Mockito.`when`(repository.oneOffPayment(productId,token)).thenAnswer { throw IOException(errorMessage)}
+
+        //THEN
+        viewModel.oneOffPayment(2020)
+        viewModel.operationSuccess.observeOnce {
+            assertEquals(false, it)
+        }
+        viewModel.operationFailed.observeOnce {
+            print(it)
+            assertEquals(errorMessage, it)
+        }
+    }
+
+    @Test
+    fun oneOffPayment_invalidCredentials_unsuccessfulResponse() = runBlocking{
+        //GIVEN
+        val errorMessage = "Failed to retrieve token"
+        val token = ""
+        val productId = 2020
+
+        //WHEN
+        Mockito.`when`(repository.oneOffPayment(productId, token)).thenReturn(null)
+
+        //THEN
+        viewModel.oneOffPayment(productId)
+        viewModel.operationFailed.observeOnce {
+            assertEquals(errorMessage, it)
+        }
+    }
+}