Initial commit

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+//kotlin kapt plugin
+apply plugin: 'kotlin-kapt'
+
+android {
+    compileSdkVersion 29
+    defaultConfig {
+        applicationId "com.example.h_mal.sliidenewsreader"
+        minSdkVersion 26
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    dataBinding {
+        enabled = true
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.core:core-ktx:1.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.annotation:annotation:1.0.2'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+
+    //Retrofit and GSON
+    implementation 'com.squareup.retrofit2:retrofit:2.6.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.6.0'
+
+    //Kotlin Coroutines
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0"
+
+    //New Material Design
+    implementation 'com.google.android.material:material:1.1.0-alpha10'
+
+    //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"
+
+    //Android Room
+    implementation "androidx.room:room-runtime:2.2.0-rc01"
+    implementation "androidx.room:room-ktx:2.2.0-rc01"
+    kapt "androidx.room:room-compiler:2.2.0-rc01"
+
+    implementation 'com.xwray:groupie:2.3.0'
+    implementation 'com.xwray:groupie-kotlin-android-extensions:2.3.0'
+    implementation 'com.xwray:groupie-databinding:2.3.0'
+
+    implementation "androidx.preference:preference-ktx:1.1.0"
+
+    //image caching and display library
+    implementation 'com.squareup.picasso:picasso:2.71828'
+    androidTestImplementation 'androidx.test:rules:1.3.0-alpha03'
+}

app/proguard-rules.pro

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+# 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

app/src/androidTest/java/com/example/h_mal/sliidenewsreader/ui/login/LoginActivityTest.kt

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+package com.example.h_mal.sliidenewsreader.ui.login
+
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.*
+import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.RootMatchers.withDecorView
+import androidx.test.espresso.matcher.ViewMatchers.*
+import androidx.test.filters.LargeTest
+import androidx.test.rule.ActivityTestRule
+import com.example.h_mal.sliidenewsreader.R
+import org.hamcrest.CoreMatchers.`is`
+import org.hamcrest.CoreMatchers.not
+import org.hamcrest.Description
+import org.hamcrest.Matcher
+import org.hamcrest.Matchers.allOf
+import org.hamcrest.TypeSafeMatcher
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+
+
+@LargeTest
+class LoginActivityTest {
+
+    @Rule
+    @JvmField
+    var mActivityTestRule = ActivityTestRule(LoginActivity::class.java)
+
+    lateinit var invalidTextString: String
+    lateinit var failedTextString: String
+
+    @Before
+    fun setup(){
+        invalidTextString = mActivityTestRule.activity.getString(R.string.login_invalid)
+        failedTextString = mActivityTestRule.activity.getString(R.string.login_failed)
+    }
+
+    @Test
+    fun emptyBothTest() {
+        sign_in_button.perform(click())
+        sign_in_button.check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun emptyPasswordTest() {
+        username_edittext.perform(replaceText("user"), closeSoftKeyboard())
+
+        sign_in_button.perform(click())
+        sign_in_button.check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun emptyUserNameTest() {
+        password_edittext.perform(replaceText("password"), closeSoftKeyboard())
+
+        sign_in_button.perform(click())
+        sign_in_button.check(matches(isDisplayed()))
+
+    }
+
+    @Test
+    fun incorrectDetailsTest() {
+        username_edittext.perform(replaceText("user"), closeSoftKeyboard())
+        password_edittext.perform(replaceText("user"), closeSoftKeyboard())
+
+        sign_in_button.perform(click())
+        sign_in_button.check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun validLoginAsUserTest() {
+        username_edittext.perform(replaceText("user"), closeSoftKeyboard())
+        password_edittext.perform(replaceText("password"), closeSoftKeyboard())
+
+        sign_in_button.perform(click())
+        sign_in_button.check(doesNotExist())
+
+        menu_button.perform(click())
+        signout_button.perform(click())
+
+        sign_in_button.check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun validLoginAsPremiumUserTest() {
+        username_edittext.perform(replaceText("premium"), closeSoftKeyboard())
+        password_edittext.perform(replaceText("password"), closeSoftKeyboard())
+
+        sign_in_button.perform(click())
+        sign_in_button.check(doesNotExist())
+
+        menu_button.perform(click())
+        signout_button.perform(click())
+
+        sign_in_button.check(matches(isDisplayed()))
+    }
+
+    private val sign_in_button = onView(
+            allOf(
+                withId(R.id.login), withText("Sign in"),
+                childAtPosition(
+                    allOf(
+                        withId(R.id.container),
+                        childAtPosition(
+                            withId(android.R.id.content),
+                            0
+                        )
+                    ),
+                    2
+                ),
+                isDisplayed()
+            )
+        )
+
+    private val username_edittext = onView(
+        allOf(
+            withId(R.id.username),
+            childAtPosition(
+                allOf(
+                    withId(R.id.container),
+                    childAtPosition(
+                        withId(android.R.id.content),
+                        0
+                    )
+                ),
+                0
+            ),
+            isDisplayed()
+        )
+    )
+
+    private val password_edittext = onView(
+        allOf(
+            withId(R.id.password),
+            childAtPosition(
+                allOf(
+                    withId(R.id.container),
+                    childAtPosition(
+                        withId(android.R.id.content),
+                        0
+                    )
+                ),
+                1
+            ),
+            isDisplayed()
+        )
+    )
+
+    val menu_button = onView(
+        allOf(
+            withContentDescription("More options"),
+            childAtPosition(
+                childAtPosition(
+                    withId(R.id.action_bar),
+                    1
+                ),
+                0
+            ),
+            isDisplayed()
+        )
+    )
+
+    val signout_button = onView(
+        allOf(
+            withId(R.id.title), withText("Sign out"),
+            childAtPosition(
+                childAtPosition(
+                    withId(R.id.content),
+                    0
+                ),
+                0
+            ),
+            isDisplayed()
+        )
+    )
+
+    private fun testToast(toastText:String){
+        onView(withText(toastText))
+            .inRoot(withDecorView(not(`is`(mActivityTestRule.activity.window.decorView))))
+            .check(matches(isDisplayed()))
+    }
+
+    private fun childAtPosition(
+        parentMatcher: Matcher<View>, position: Int
+    ): Matcher<View> {
+
+        return object : TypeSafeMatcher<View>() {
+            override fun describeTo(description: Description) {
+                description.appendText("Child at position $position in parent ")
+                parentMatcher.describeTo(description)
+            }
+
+            public override fun matchesSafely(view: View): Boolean {
+                val parent = view.parent
+                return parent is ViewGroup && parentMatcher.matches(parent)
+                        && view == parent.getChildAt(position)
+            }
+        }
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.h_mal.sliidenewsreader">
+
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:name=".AppClass"
+        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.login.LoginActivity"
+            android:label="@string/title_activity_login">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+        </activity>
+        <activity android:name=".ui.main.MainActivity"></activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/h_mal/sliidenewsreader/AppClass.kt

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+package com.example.h_mal.sliidenewsreader
+
+import android.app.Application
+import com.example.h_mal.sliidenewsreader.data.repositories.Repository
+import com.example.h_mal.sliidenewsreader.data.db.AppDatabase
+import com.example.h_mal.sliidenewsreader.data.network.MyApi
+import com.example.h_mal.sliidenewsreader.data.network.NetworkConnectionInterceptor
+import com.example.h_mal.sliidenewsreader.ui.login.LoginViewModelFactory
+import com.example.h_mal.sliidenewsreader.ui.main.MainViewModelFactory
+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 AppClass : Application(), KodeinAware{
+
+    override val kodein = Kodein.lazy {
+        import(androidXModule(this@AppClass))
+
+        bind() from singleton { AppDatabase(instance()) }
+        bind() from singleton { NetworkConnectionInterceptor(instance()) }
+        bind() from singleton { MyApi(instance()) }
+        bind() from singleton { Repository(instance(),instance()) }
+        bind() from provider { LoginViewModelFactory(instance()) }
+        bind() from provider { MainViewModelFactory(instance()) }
+
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/data/db/AppDatabase.kt

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+package com.example.h_mal.sliidenewsreader.data.db
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import com.example.h_mal.sliidenewsreader.data.db.entities.User
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+@Database(
+    entities = [User::class],
+    version = 1
+)
+abstract class AppDatabase : RoomDatabase(){
+
+    abstract fun getUserDao(): UserDao
+//    abstract fun getCurrentUserDao(): CurrentUserDao
+//    abstract fun getWidgetDao(): WidgetDao
+
+    companion object {
+
+        @Volatile
+        private var instance: AppDatabase? = null
+        private val LOCK = Any()
+
+        operator fun invoke(context: Context) = instance ?: synchronized(LOCK) {
+            instance ?: buildDatabase(context).also {
+                instance = it
+                CoroutineScope(Dispatchers.Default).launch {
+                    it.getUserDao().initiateUsers()
+                }
+            }
+        }
+
+        private fun buildDatabase(context: Context) =
+            Room.databaseBuilder(
+                context.applicationContext,
+                AppDatabase::class.java,
+                "MyDatabase.db"
+            ).allowMainThreadQueries().build()
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/data/db/UserDao.kt

@@ -0,0 +1,41 @@
+package com.example.h_mal.sliidenewsreader.data.db
+
+import androidx.lifecycle.LiveData
+import androidx.room.*
+import com.example.h_mal.sliidenewsreader.data.db.entities.User
+
+@Dao
+interface UserDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun upsert(user: User) : Long
+
+    @Query("SELECT * FROM User" )
+    fun getAllUsers() : Array<User>
+
+    @Query("SELECT * FROM User WHERE username = (:un) AND password = (:pw) LIMIT 1" )
+    fun getUser(un: String, pw: String) : User?
+
+    @Query("UPDATE User SET state = 1 WHERE username = (:un)" )
+    fun trueLoginState(un: String) : Int
+
+    @Query("UPDATE User SET state = 0 WHERE username = (:un)" )
+    fun falseLoginState(un: String) : Int
+
+    @Query("SELECT * FROM User WHERE state = 1 LIMIT 1" )
+    fun getCurrentLoginUser() : LiveData<User?>
+
+    @Query("SELECT role FROM User WHERE state = 1 LIMIT 1" )
+    fun getCurrentRole() : String
+
+    @Transaction
+    suspend fun initiateUsers(){
+        val u1 = User("premium","password","PREMIUM", false)
+        val u2 = User("user","password","NORMAL", false)
+        val u3 = User("user1","password","NORMAL", false)
+
+        upsert(u1)
+        upsert(u2)
+        upsert(u3)
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/data/db/entities/User.kt

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+package com.example.h_mal.sliidenewsreader.data.db.entities
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class User(
+    @PrimaryKey
+    val username: String,
+    val password: String,
+    val role: String,
+    val state: Boolean
+)

app/src/main/java/com/example/h_mal/sliidenewsreader/data/models/Image.kt

@@ -0,0 +1,6 @@
+package com.example.h_mal.sliidenewsreader.data.models
+
+data class Image (
+    val id : Int?,
+    val url: String?
+)

app/src/main/java/com/example/h_mal/sliidenewsreader/data/network/MyApi.kt

@@ -0,0 +1,36 @@
+package com.example.h_mal.sliidenewsreader.data.network
+
+import com.example.h_mal.sliidenewsreader.data.network.responses.FeedResponse
+
+import okhttp3.OkHttpClient
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.GET
+
+interface MyApi {
+
+
+    @GET("feed")
+    suspend fun getFeed() : Response<MutableList<FeedResponse>>
+
+    companion object{
+        operator fun invoke(
+            networkConnectionInterceptor: NetworkConnectionInterceptor
+        ) : MyApi{
+
+            val okkHttpclient = OkHttpClient.Builder()
+                .addInterceptor(networkConnectionInterceptor)
+                .build()
+
+            return Retrofit.Builder()
+                .client(okkHttpclient)
+                .baseUrl("https://private-9e5bb4-ivorsliide.apiary-mock.com/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(MyApi::class.java)
+        }
+    }
+
+}
+

app/src/main/java/com/example/h_mal/sliidenewsreader/data/network/NetworkConnectionInterceptor.kt

@@ -0,0 +1,38 @@
+package com.example.h_mal.sliidenewsreader.data.network
+
+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+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 (!isInternetAvailable())
+            throw IOException("Make sure you have an active data connection")
+        return chain.proceed(chain.request())
+    }
+
+    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
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/data/network/SafeApiRequest.kt

@@ -0,0 +1,29 @@
+package com.example.h_mal.sliidenewsreader.data.network
+
+import org.json.JSONException
+import org.json.JSONObject
+import retrofit2.Response
+import java.io.IOException
+
+abstract class SafeApiRequest {
+
+    suspend fun<T: Any> apiRequest(call: suspend () -> Response<T>) : T{
+        val response = call.invoke()
+        if(response.isSuccessful){
+            return response.body()!!
+        }else{
+            val error = response.errorBody()?.string()
+
+            val message = StringBuilder()
+            error?.let{
+                try{
+                    message.append(JSONObject(it).getString("message"))
+                }catch(e: JSONException){ }
+                message.append("\n")
+            }
+            message.append("Error Code: ${response.code()}")
+            throw IOException(message.toString())
+        }
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/data/network/responses/FeedResponse.kt

@@ -0,0 +1,14 @@
+package com.example.h_mal.sliidenewsreader.data.network.responses
+
+import com.example.h_mal.sliidenewsreader.data.models.Image
+
+
+data class FeedResponse (
+    val id: Int?,
+    val datatype: String?,
+    val type: String?,
+    val title: String?,
+    val description: String?,
+    val url: String?,
+    val images: List<Image>?
+)

app/src/main/java/com/example/h_mal/sliidenewsreader/data/repositories/Repository.kt

@@ -0,0 +1,45 @@
+package com.example.h_mal.sliidenewsreader.data.repositories
+
+import com.example.h_mal.sliidenewsreader.data.db.AppDatabase
+import com.example.h_mal.sliidenewsreader.data.network.MyApi
+import com.example.h_mal.sliidenewsreader.data.network.SafeApiRequest
+import com.example.h_mal.sliidenewsreader.data.network.responses.FeedResponse
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+
+class Repository(
+    private val db: AppDatabase,
+    private val api: MyApi
+) : SafeApiRequest() {
+
+    fun attemptUser(username: String, password: String) = db.getUserDao().getUser(username,password)
+
+    fun setUserLoggedIn(username: String) = db.getUserDao().trueLoginState(username)
+
+    fun setUserLoggedOut(username: String) = db.getUserDao().falseLoginState(username)
+
+    fun getUser() = db.getUserDao().getCurrentLoginUser()
+
+    fun getCurrentUserRole() = db.getUserDao().getCurrentRole()
+
+    suspend fun fetchData(): MutableList<FeedResponse>? {
+        val response = apiRequest { api.getFeed() }
+
+        val remover = removeFinder()
+        response.removeIf { item ->
+            item.id == null || item.datatype == remover
+        }
+
+        return response
+    }
+
+    fun removeFinder() : String{
+        val role = getCurrentUserRole()
+        return if (role == "PREMIUM"){
+            "ADS"
+        }else{
+            "PREMIUM_NEWS"
+        }
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/CompletionListener.kt

@@ -0,0 +1,7 @@
+package com.example.h_mal.sliidenewsreader.ui
+
+interface CompletionListener {
+    fun onStarted()
+    fun onSuccess()
+    fun onFailure(message: String)
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/login/LoginActivity.kt

@@ -0,0 +1,64 @@
+package com.example.h_mal.sliidenewsreader.ui.login
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import com.example.h_mal.sliidenewsreader.ui.main.MainActivity
+import com.example.h_mal.sliidenewsreader.R
+import com.example.h_mal.sliidenewsreader.data.db.entities.User
+import com.example.h_mal.sliidenewsreader.databinding.ActivityLoginBinding
+import com.example.h_mal.sliidenewsreader.ui.CompletionListener
+import kotlinx.android.synthetic.main.activity_login.*
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.kodein
+import org.kodein.di.generic.instance
+
+class LoginActivity : AppCompatActivity(),
+    CompletionListener, KodeinAware {
+
+    override val kodein by kodein()
+    private val factory : LoginViewModelFactory by instance()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val binding: ActivityLoginBinding = DataBindingUtil.setContentView(this, R.layout.activity_login)
+
+        val loginViewModel: LoginViewModel = ViewModelProviders.of(this, factory)
+            .get(LoginViewModel::class.java)
+        binding.viewmodel = loginViewModel
+
+        loginViewModel.authListener = this
+
+        loginViewModel.getCurrentLoggedInUser().observe(this@LoginActivity, Observer { user ->
+
+            if(user != null){
+                Intent(this, MainActivity::class.java).also {
+                    it.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+                    startActivity(it)
+                }
+            }
+        })
+
+    }
+
+
+
+    override fun onStarted() {
+        progress_bar.visibility = View.VISIBLE
+    }
+
+    override fun onSuccess() {
+        progress_bar.visibility = View.GONE
+    }
+
+    override fun onFailure(message: String) {
+        Toast.makeText(applicationContext, message, Toast.LENGTH_SHORT).show()
+        progress_bar.visibility = View.GONE
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/login/LoginViewModel.kt

@@ -0,0 +1,61 @@
+package com.example.h_mal.sliidenewsreader.ui.login
+
+import android.view.View
+import androidx.lifecycle.ViewModel
+import com.example.h_mal.sliidenewsreader.R
+import com.example.h_mal.sliidenewsreader.data.repositories.Repository
+import com.example.h_mal.sliidenewsreader.ui.CompletionListener
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.lang.Exception
+
+class LoginViewModel(
+    private val repository: Repository
+) : ViewModel() {
+
+    var name: String? = null
+    var password: String? = null
+
+    var authListener: CompletionListener? = null
+
+    fun getCurrentLoggedInUser() = repository.getUser()
+
+
+    fun onLoginButtonClick(view: View){
+        authListener?.onStarted()
+        if(name.isNullOrEmpty() || password.isNullOrEmpty()){
+            authListener?.onFailure(view.context.getString(R.string.login_invalid))
+            return
+        }
+
+        CoroutineScope(Dispatchers.IO).launch {
+            try {
+
+                val user = repository.attemptUser(name!!, password!!)
+
+                user?.let {
+                    withContext(Dispatchers.Main){
+                        authListener?.onSuccess()
+                    }
+
+                    repository.setUserLoggedIn(name!!)
+                    return@launch
+                }
+
+                withContext(Dispatchers.Main){
+                    authListener?.onFailure(view.context.getString(R.string.login_failed))
+                }
+
+            }catch(e: Exception){
+                withContext(Dispatchers.Main){
+                    authListener?.onFailure(e.message!!)
+                }
+
+            }
+        }
+
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/login/LoginViewModelFactory.kt

@@ -0,0 +1,19 @@
+package com.example.h_mal.sliidenewsreader.ui.login
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.h_mal.sliidenewsreader.data.repositories.Repository
+
+/**
+ * ViewModel provider factory to instantiate LoginViewModel.
+ * Required given LoginViewModel has a non-empty constructor
+ */
+class LoginViewModelFactory(
+    private val repository: Repository
+) : ViewModelProvider.Factory {
+
+    @Suppress("UNCHECKED_CAST")
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        return LoginViewModel(repository) as T
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/main/FeedRecyclerViewAdapter.kt

@@ -0,0 +1,73 @@
+package com.example.h_mal.sliidenewsreader.ui.main
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.ImageView
+import android.widget.SeekBar
+import android.widget.SeekBar.OnSeekBarChangeListener
+import com.example.h_mal.sliidenewsreader.R
+import com.example.h_mal.sliidenewsreader.data.network.responses.FeedResponse
+import com.squareup.picasso.Picasso
+import kotlinx.android.synthetic.main.feed_item.view.*
+
+
+class ListAdapter(context: Context, objects: MutableList<FeedResponse>) :
+    ArrayAdapter<FeedResponse>(context, 0, objects) {
+
+    override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+        var view: View? = convertView
+        if (view == null) {
+            view = LayoutInflater.from(context).inflate(R.layout.feed_item, null)!!
+        }
+
+        val currentFeedItem = getItem(position)
+
+        view.textView.text = currentFeedItem?.title
+
+        val slider = view.seekBar
+        val imageView = view.imageView
+
+        slider.visibility = View.GONE
+        imageView.visibility = View.GONE
+
+        val imgArray = currentFeedItem?.images
+
+        imgArray?.let {
+            imageView.visibility = View.VISIBLE
+            it[0].url?.apply {
+                displayImage(this,imageView)
+            }
+
+            val count = it.count() -1
+
+            if (count > 0){
+                slider.visibility = View.VISIBLE
+                slider.max = count
+                slider.setOnSeekBarChangeListener(object : OnSeekBarChangeListener {
+                    override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {}
+                    override fun onStartTrackingTouch(seekBar: SeekBar) {}
+                    override fun onStopTrackingTouch(seekBar: SeekBar) {
+                        it[seekBar.progress].url?.let {url ->
+                            displayImage(url,view.imageView)
+                        }
+                    }
+                })
+            }
+
+        }
+        return view
+    }
+
+    fun displayImage(url: String, imageView: ImageView){
+        Picasso.get()
+            .load(url)
+            .placeholder(R.mipmap.ic_launcher)
+            .resize(250, 250)
+            .centerCrop()
+            .into(imageView)
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/main/MainActivity.kt

@@ -0,0 +1,97 @@
+package com.example.h_mal.sliidenewsreader.ui.main
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.h_mal.sliidenewsreader.R
+import com.example.h_mal.sliidenewsreader.data.db.entities.User
+import com.example.h_mal.sliidenewsreader.data.network.responses.FeedResponse
+import com.example.h_mal.sliidenewsreader.ui.CompletionListener
+import com.example.h_mal.sliidenewsreader.ui.login.LoginActivity
+import com.xwray.groupie.GroupAdapter
+import com.xwray.groupie.ViewHolder
+import kotlinx.android.synthetic.main.activity_login.*
+import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.activity_main.progress_bar
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.kodein
+import org.kodein.di.generic.instance
+
+class MainActivity : AppCompatActivity(), KodeinAware, CompletionListener {
+
+    override val kodein by kodein()
+    private val factory : MainViewModelFactory by instance()
+
+    lateinit var viewModel: MainViewModel
+
+    private var currentUser: User? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        viewModel = ViewModelProviders.of(this,factory).get(MainViewModel::class.java)
+        viewModel.completionLister = this
+
+        viewModel.setList()
+
+        viewModel.feed.observe(this, Observer {
+            val adapter = ListAdapter(this,it)
+            list_view.adapter = adapter
+        })
+
+
+        viewModel.getCurrentLoggedInUser().observe(this, Observer {user ->
+            if (user != null){
+                currentUser = user
+            }
+
+        })
+    }
+
+    //create a menu to navigate to other activities
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.menu, menu)
+
+        return super.onCreateOptionsMenu(menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        when (item?.itemId){
+            R.id.sign_out ->{
+                viewModel.logOut(currentUser)
+                Intent(this@MainActivity, LoginActivity::class.java).also {
+                    it.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+                    startActivity(it)
+
+                }
+            }
+        }
+
+        return super.onOptionsItemSelected(item)
+    }
+
+    override fun onStarted() {
+        progress_bar.visibility = View.VISIBLE
+    }
+
+    override fun onSuccess() {
+        progress_bar.visibility = View.GONE
+    }
+
+    override fun onFailure(message: String) {
+        Toast.makeText(applicationContext, message, Toast.LENGTH_SHORT).show()
+        progress_bar.visibility = View.GONE
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/main/MainViewModel.kt

@@ -0,0 +1,52 @@
+package com.example.h_mal.sliidenewsreader.ui.main
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.example.h_mal.sliidenewsreader.data.db.entities.User
+import com.example.h_mal.sliidenewsreader.data.network.responses.FeedResponse
+import com.example.h_mal.sliidenewsreader.data.repositories.Repository
+import com.example.h_mal.sliidenewsreader.ui.CompletionListener
+import kotlinx.coroutines.*
+import java.io.IOException
+
+class MainViewModel(
+    private val repository: Repository
+) : ViewModel() {
+
+    fun getCurrentLoggedInUser() = repository.getUser()
+
+    var completionLister : CompletionListener? = null
+
+    val feed = MutableLiveData<MutableList<FeedResponse>>()
+
+    fun setList(){
+        completionLister?.onStarted()
+
+        CoroutineScope(Dispatchers.Main).launch {
+            try {
+                val feedResponse = repository.fetchData()
+
+                feedResponse?.let {
+                    completionLister?.onSuccess()
+                    feed.value = it
+                    return@launch
+                }
+
+                completionLister?.onFailure("Failed to retrieve data")
+            }catch(e: IOException){
+                completionLister?.onFailure(e.message!!)
+            }
+        }
+
+    }
+
+    fun logOut(user: User?){
+        CoroutineScope(Dispatchers.IO).launch {
+            user?.username?.let {
+                repository.setUserLoggedOut(it)
+            }
+
+        }
+    }
+
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/main/MainViewModelFactory.kt

@@ -0,0 +1,19 @@
+package com.example.h_mal.sliidenewsreader.ui.main
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.h_mal.sliidenewsreader.data.repositories.Repository
+
+/**
+ * ViewModel provider factory to instantiate LoginViewModel.
+ * Required given LoginViewModel has a non-empty constructor
+ */
+class MainViewModelFactory(
+    private val repository: Repository
+) : ViewModelProvider.Factory {
+
+    @Suppress("UNCHECKED_CAST")
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        return MainViewModel(repository) as T
+    }
+}

app/src/main/java/com/example/h_mal/sliidenewsreader/ui/main/RecyclerViewAdapter.kt

@@ -0,0 +1,2 @@
+package com.example.h_mal.sliidenewsreader.ui.main
+

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:viewportWidth="108"
+    android:viewportHeight="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:strokeWidth="1"
+        android:strokeColor="#00000000">
+        <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:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#008577"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/layout/activity_login.xml

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout 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">
+
+    <data>
+        <variable
+            name="viewmodel"
+            type="com.example.h_mal.sliidenewsreader.ui.login.LoginViewModel" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingLeft="@dimen/activity_horizontal_margin"
+        android:paddingTop="@dimen/activity_vertical_margin"
+        android:paddingRight="@dimen/activity_horizontal_margin"
+        android:paddingBottom="@dimen/activity_vertical_margin"
+        tools:context=".ui.login.LoginActivity">
+        <EditText
+            android:id="@+id/username"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="96dp"
+            android:layout_marginEnd="24dp"
+            android:text="@={viewmodel.name}"
+            android:hint="@string/prompt_email"
+            android:inputType="textEmailAddress"
+            android:selectAllOnFocus="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/password"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="24dp"
+            android:text="@={viewmodel.password}"
+            android:hint="@string/prompt_password"
+            android:imeActionLabel="@string/action_sign_in_short"
+            android:imeOptions="actionDone"
+            android:inputType="textPassword"
+            android:selectAllOnFocus="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/username" />
+
+        <Button
+            android:id="@+id/login"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            android:layout_marginStart="48dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="48dp"
+            android:layout_marginBottom="64dp"
+            android:text="@string/action_sign_in_short"
+            android:onClick="@{viewmodel::onLoginButtonClick}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/password"
+            app:layout_constraintVertical_bias="0.2" />
+
+        <ProgressBar
+            android:id="@+id/progress_bar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginStart="32dp"
+            android:layout_marginTop="64dp"
+            android:layout_marginEnd="32dp"
+            android:layout_marginBottom="64dp"
+            android:visibility="gone"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="@+id/password"
+            app:layout_constraintStart_toStartOf="@+id/password"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.3" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+</layout>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,22 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.MainActivity">
+
+        <ListView
+            android:id="@+id/list_view"
+            tools:listitem="@layout/feed_item"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+
+        <ProgressBar
+            android:layout_gravity="center_horizontal|center_vertical"
+            android:id="@+id/progress_bar"
+            android:visibility="gone"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
+</FrameLayout>

app/src/main/res/layout/feed_item.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="TextView" />
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        tools:srcCompat="@mipmap/ic_launcher" />
+
+    <SeekBar
+        android:id="@+id/seekBar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+</LinearLayout>

app/src/main/res/menu/menu.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/sign_out"
+        android:title="@string/action_sign_out" />
+</menu>

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>

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>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,15 @@
+<resources>
+    <string name="app_name">Sliide news reader</string>
+    <string name="title_activity_login">Sign in</string>
+    <string name="prompt_email">Email</string>
+    <string name="prompt_password">Password</string>
+    <string name="action_sign_in">Sign in or register</string>
+    <string name="action_sign_in_short">Sign in</string>
+    <string name="action_sign_out">Sign out</string>
+    <string name="welcome">"Welcome !"</string>
+    <string name="invalid_username">Not a valid username</string>
+    <string name="invalid_password">Password must be >5 characters</string>
+    <string name="login_invalid">"Invalid username or password"</string>
+    <string name="login_failed">""User credentials incorrect""</string>
+
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<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>
+    </style>
+
+</resources>

app/src/test/java/com/example/h_mal/sliidenewsreader/ExampleUnitTest.kt

@@ -0,0 +1,16 @@
+package com.example.h_mal.sliidenewsreader
+
+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)
+    }
+}