Initial commit

.gitignore

@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

.idea/.name

@@ -0,0 +1 @@
+Transport Coding Challenge

.idea/codeStyles/Project.xml

@@ -0,0 +1,125 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <AndroidXmlCodeStyleSettings>
+      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
+    </AndroidXmlCodeStyleSettings>
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/dictionaries/h_mal.xml

@@ -0,0 +1,3 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="h_mal" />
+</component>

.idea/gradle.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="testRunner" value="PLATFORM" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
+    </configurations>
+  </component>
+  <component name="Kotlin2JsCompilerArguments">
+    <option name="sourceMapEmbedSources" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/runConfigurations.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

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
+apply plugin: 'kotlin-kapt'
+
+android {
+    compileSdkVersion 29
+    defaultConfig {
+        applicationId "com.example.h_mal.transportcodingchallenge"
+        minSdkVersion 24
+        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
+    }
+    testOptions {
+        unitTests.returnDefaultValues = 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 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    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"
+
+    // ViewModel and LiveData
+    implementation "androidx.lifecycle:lifecycle-extensions:2.1.0"
+
+    //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 Navigation Architecture
+    implementation "androidx.navigation:navigation-fragment-ktx:2.2.0-alpha02"
+    implementation "androidx.navigation:navigation-ui-ktx:2.2.0-alpha02"
+
+    androidTestImplementation 'androidx.test:rules:1.3.0-alpha04'
+
+}

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

app/src/androidTest/java/com/example/h_mal/transportcodingchallenge/ui/main/MainActivityTest.kt

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+package com.example.h_mal.transportcodingchallenge.ui.main
+
+
+import android.net.wifi.WifiManager
+import android.view.View
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.UiController
+import androidx.test.espresso.ViewAction
+import androidx.test.espresso.action.ViewActions.*
+import androidx.test.espresso.matcher.ViewMatchers.*
+import androidx.test.espresso.matcher.RootMatchers.withDecorView
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.filters.LargeTest
+import androidx.test.internal.runner.junit4.AndroidJUnit4ClassRunner
+import androidx.test.rule.ActivityTestRule
+import com.example.h_mal.transportcodingchallenge.R
+import org.hamcrest.Matcher
+import org.hamcrest.Matchers.*
+import org.hamcrest.CoreMatchers.`is`
+import org.hamcrest.CoreMatchers.not
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+
+@LargeTest
+@RunWith(AndroidJUnit4ClassRunner::class)
+class MainActivityTest {
+
+    @Rule
+    @JvmField
+    var mActivityTestRule = ActivityTestRule(MainActivity::class.java)
+
+    val submitButton = onView(allOf(withId(R.id.submit), withText("Submit"), isDisplayed()))
+    val searchEditText = onView(allOf(withId(R.id.search_box),  isDisplayed()))
+
+    @Test
+    fun testSubmit_emptySearch() {
+        submitButton.perform(click())
+
+        testToast("No Road ID inserted")
+    }
+
+    @Test
+    fun testSubmit_SearchInvalidEntry() {
+
+        searchEditText.perform(replaceText("A31222"), closeSoftKeyboard())
+        submitButton.perform(click())
+        waitFor(1000)
+        testToast(
+            "The following road id is not recognised: A31222"
+        )
+    }
+
+    @Test
+    fun testSubmit_SearchValidEntry() {
+
+        searchEditText.perform(replaceText("A40"), closeSoftKeyboard())
+        submitButton.perform(click())
+        waitFor(1000)
+
+        onView(allOf(
+                withId(R.id.road_id),
+                withText("A40"),
+                isDisplayed()
+            )
+        )
+
+        onView(
+            allOf(
+                withText("Road Status"),
+                isDisplayed()
+            )
+        )
+
+        onView(
+            allOf(
+                withText("Road Description"),
+                isDisplayed()
+            )
+        )
+
+    }
+
+    private fun testToast(toastText:String){
+        onView(withText(toastText))
+            .inRoot(withDecorView(not(`is`(mActivityTestRule.activity.window.decorView))))
+            .check(matches(isDisplayed()))
+
+        waitFor(2000)
+    }
+
+    fun waitFor(delay: Long): ViewAction? {
+        return object : ViewAction {
+            override fun getConstraints(): Matcher<View> {
+                return isRoot()
+            }
+
+            override fun getDescription(): String {
+                return "wait for " + delay + "milliseconds"
+            }
+
+            override fun perform(uiController: UiController, view: View?) {
+                uiController.loopMainThreadForAtLeast(delay)
+            }
+        }
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.h_mal.transportcodingchallenge">
+
+    <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.main.MainActivity"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

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

@@ -0,0 +1,32 @@
+package com.example.h_mal.transportcodingchallenge
+
+import android.app.Application
+import com.example.h_mal.transportcodingchallenge.data.network.ApiData
+import com.example.h_mal.transportcodingchallenge.data.network.NetworkConnectionInterceptor
+import com.example.h_mal.transportcodingchallenge.data.repositories.Repository
+import com.example.h_mal.transportcodingchallenge.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{
+
+    //kodeinaware for dependency injection
+    override val kodein =  Kodein.lazy {
+        //import relevent module
+        import(androidXModule(this@AppClass))
+
+        //create instance of network interceptor
+        bind() from singleton { NetworkConnectionInterceptor(instance()) }
+        //create an instance of Api data class for retrofit calls
+        bind() from singleton { ApiData(instance()) }
+        //create an instance of the repository with above api class inserted
+        bind() from singleton { Repository(instance(), instance()) }
+        //create an instance of viewmodel factory with above repository inserted
+        bind() from provider{ MainViewModelFactory(instance())}
+    }
+}

app/src/main/java/com/example/h_mal/transportcodingchallenge/data/model/RoadData.kt

@@ -0,0 +1,8 @@
+package com.example.h_mal.transportcodingchallenge.data.model
+
+data class RoadData(
+    val displayName: String,
+    val statusSeverity: String,
+    val statusSeverityDescription: String
+)
+

app/src/main/java/com/example/h_mal/transportcodingchallenge/data/network/ApiData.kt

@@ -0,0 +1,43 @@
+package com.example.h_mal.transportcodingchallenge.data.network
+
+import com.example.h_mal.transportcodingchallenge.data.model.RoadData
+
+import okhttp3.OkHttpClient
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Query
+
+interface ApiData {
+
+
+    //Retrofit api call with path being the road id we input
+    @GET("{roadId}")
+    suspend fun getRoadData(@Path("roadId") roadId: String,
+                            @Query("app_key") app_key: String,
+                            @Query("app_id") app_id: String) : Response<List<RoadData>>
+
+    companion object{
+        //class invokation with the network interceptor passed
+        operator fun invoke(
+            networkConnectionInterceptor: NetworkConnectionInterceptor
+        ) : ApiData{
+
+            //build okhttpclient
+            val okkHttpclient = OkHttpClient.Builder()
+                .addInterceptor(networkConnectionInterceptor)
+                .build()
+
+            //return our API data class
+            return Retrofit.Builder()
+                .client(okkHttpclient)
+                .baseUrl("https://api.tfl.gov.uk/Road/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(ApiData::class.java)
+        }
+    }
+
+}

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

@@ -0,0 +1,39 @@
+package com.example.h_mal.transportcodingchallenge.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
+
+    //check if there is an active data connection or throw error
+    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/transportcodingchallenge/data/network/SafeApiRequest.kt

@@ -0,0 +1,33 @@
+package com.example.h_mal.transportcodingchallenge.data.network
+
+import android.util.Log
+import org.json.JSONException
+import org.json.JSONObject
+import retrofit2.Response
+import java.io.IOException
+
+abstract class SafeApiRequest {
+
+    //safe api call to safely return our response from the our object
+    // in the form of {@RoadObject} or throw an error based off the error message in the JSON
+    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){ }
+
+            }
+            Log.e("Network Error","Error Code: ${response.code()}")
+
+            throw IOException(message.toString())
+        }
+    }
+
+}

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

@@ -0,0 +1,25 @@
+package com.example.h_mal.transportcodingchallenge.data.repositories
+
+import android.content.Context
+import com.example.h_mal.transportcodingchallenge.R
+import com.example.h_mal.transportcodingchallenge.data.model.RoadData
+import com.example.h_mal.transportcodingchallenge.data.network.ApiData
+import com.example.h_mal.transportcodingchallenge.data.network.SafeApiRequest
+
+class Repository(
+    private val api: ApiData,
+    context: Context
+): SafeApiRequest(){
+
+    //retrieve the values from the resourse class
+    private val apiKey: String = context.getString(R.string.Api_key)
+    private val appId: String = context.getString(R.string.Application_ID)
+
+    //api function to retrieve data from the api via retrofit
+    //return the data in the for of list as that is how the JSON is
+    suspend fun getRoadData(roadId: String): List<RoadData>?{
+        return apiRequest {
+            api.getRoadData(roadId, apiKey, appId)
+        }
+    }
+}

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

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

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

@@ -0,0 +1,75 @@
+package com.example.h_mal.transportcodingchallenge.ui.main
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Toast
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.ViewModelProviders
+import com.example.h_mal.transportcodingchallenge.R
+import com.example.h_mal.transportcodingchallenge.databinding.MainActivityBinding
+import com.example.h_mal.transportcodingchallenge.utils.*
+import kotlinx.android.synthetic.main.main_activity.*
+import org.kodein.di.KodeinAware
+import org.kodein.di.android.kodein
+import org.kodein.di.generic.instance
+
+class MainActivity : AppCompatActivity(), KodeinAware, CompletionListener {
+
+    //obtain viewmodel factory from the application instantiation(s)
+    override val kodein by kodein()
+    private val factory : MainViewModelFactory by instance()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        //setup view for databinding for data to be held in view model
+        //viewmodels outlive UI so its the best place to keep data
+        val binding: MainActivityBinding = DataBindingUtil.setContentView(this, R.layout.main_activity)
+        //create viewmodel class
+        val viewModel = ViewModelProviders.of(this,factory).get(MainViewModel::class.java)
+        //binding viewmodel to databing
+        binding.viewmodel = viewModel
+
+        //setup completion listener
+        viewModel.completionListener = this
+
+        //observe live data from the view model to change views accordingly
+        viewModel.roadLiveDate.observe(this, Observer {
+            result_box.show()
+            road_id.text = it.displayName
+            road_status.text = it.statusSeverity
+            road_description.text = it.statusSeverityDescription
+        })
+    }
+
+    //disable views while loading
+    private fun invalidateViews(){
+        search_box.disable()
+        submit.disable()
+    }
+
+    //enable views after loadning
+    private fun revalidateViews(){
+        search_box.enable()
+        submit.enable()
+    }
+
+    override fun onStarted() {
+        invalidateViews()
+        progress_circular.show()
+    }
+
+    override fun onSuccess() {
+        revalidateViews()
+        progress_circular.hide()
+    }
+
+    override fun onFailure(message: String) {
+        Toast.makeText(this,message, Toast.LENGTH_SHORT).show()
+        progress_circular.hide()
+        revalidateViews()
+    }
+
+}

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

@@ -0,0 +1,59 @@
+package com.example.h_mal.transportcodingchallenge.ui.main
+
+import android.view.View
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.example.h_mal.transportcodingchallenge.data.model.RoadData
+import com.example.h_mal.transportcodingchallenge.data.repositories.Repository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.io.IOException
+
+class MainViewModel(
+    private val repository: Repository
+) : ViewModel() {
+
+    //completion listener
+    var completionListener: CompletionListener? = null
+
+    //livedata to populate views in the UI
+    var roadLiveDate: MutableLiveData<RoadData> = MutableLiveData()
+
+    //databinding the text in the edittext in the layout
+    var roadId: String? = null
+
+    //databinding the onclick of the submit button in the view
+    fun submit(view: View?){
+        //callback to the view that the operation has started
+        completionListener?.onStarted()
+
+        //null check the input
+        if (roadId.isNullOrEmpty()){
+            completionListener?.onFailure("No Road ID inserted")
+            return
+        }
+
+        //launch a coroutine on main thread to fetch data
+        CoroutineScope(Dispatchers.Main).launch {
+            try {
+                //fetch data from the repository
+                val response = repository.getRoadData(roadId!!.trim())
+
+                //unwrap if response is not null
+                response?.get(0)?.let {
+                    //update the live data
+                    roadLiveDate.value = it
+                    //callback to ciew that operation was successful
+                    completionListener?.onSuccess()
+                    return@launch
+                }
+                //callback operation was failed
+                completionListener?.onFailure("Failed to retrieve data")
+            }catch (e: IOException){
+                //callback operation was failed
+                completionListener?.onFailure(e.message!!)
+            }
+        }
+    }
+}

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

@@ -0,0 +1,15 @@
+package com.example.h_mal.transportcodingchallenge.ui.main
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.h_mal.transportcodingchallenge.data.repositories.Repository
+
+@Suppress("UNCHECKED_CAST")
+class MainViewModelFactory (
+    private val repository: Repository
+): ViewModelProvider.NewInstanceFactory(){
+
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        return MainViewModel(repository) as T
+    }
+}

app/src/main/java/com/example/h_mal/transportcodingchallenge/utils/ToggleViewUtils.kt

@@ -0,0 +1,19 @@
+package com.example.h_mal.transportcodingchallenge.utils
+
+import android.view.View
+
+fun View.show(){
+    visibility = View.VISIBLE
+}
+
+fun View.hide(){
+    visibility = View.GONE
+}
+
+fun View.disable(){
+    isEnabled = false
+}
+
+fun View.enable(){
+    isEnabled = true
+}

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/main_activity.xml

@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <variable
+            name="viewmodel"
+            type="com.example.h_mal.transportcodingchallenge.ui.main.MainViewModel" />
+    </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.main.MainActivity">
+
+        <ProgressBar
+            android:id="@+id/progress_circular"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:visibility="gone"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            android:elevation="12dp"
+            tools:visibility="visible" />
+
+        <EditText
+            android:id="@+id/search_box"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="120dp"
+            android:layout_marginEnd="24dp"
+            android:hint="@string/search_hint"
+            android:inputType="text"
+            android:orientation="horizontal"
+            android:selectAllOnFocus="true"
+            android:backgroundTint="@color/colorPrimary"
+            android:text="@={viewmodel.roadId}"
+            app:layout_constraintBottom_toTopOf="@id/result_box"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.0" />
+
+        <androidx.cardview.widget.CardView
+            android:id="@+id/result_box"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="120dp"
+            android:layout_marginBottom="120dp"
+            android:layout_marginEnd="24dp"
+            android:visibility="gone"
+            tools:visibility="visible"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            android:orientation="horizontal">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="16dp">
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:id="@+id/road_id"
+                    tools:text="A40"
+                    android:layout_gravity="center"
+                    android:textSize="32sp"
+                    android:textStyle="bold"
+                    android:textColor="@color/colorPrimaryDark"
+                    android:layout_marginBottom="12dp"/>
+
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="vertical"
+                        android:layout_marginBottom="12dp">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/road_status"
+                            android:textColor="@color/colorPrimary"
+                            android:layout_marginBottom="6dp"/>
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:id="@+id/road_status"
+                            android:textStyle="italic"
+                            android:textColor="@color/anotherone"
+                            tools:text="Good" />
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="vertical">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/road_description"
+                            android:textColor="@color/colorPrimary"
+                            android:layout_marginBottom="6dp"/>
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:id="@+id/road_description"
+                            android:textStyle="italic"
+                            android:textColor="@color/anotherone"
+                            tools:text="Good" />
+                    </LinearLayout>
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <Button
+            android:id="@+id/submit"
+            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:onClick="@{viewmodel::submit}"
+            android:text="@string/action_sign_in_short"
+            android:backgroundTint="@color/colorPrimary"
+            android:textColor="#ffffff"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.497"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/result_box"
+            app:layout_constraintVertical_bias="0.986" />
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>
+

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 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#113b92</color>
+    <color name="colorPrimaryDark">#000099</color>
+    <color name="colorAccent">#cc3333</color>
+
+    <color name="anotherone">#2070b0</color>
+</resources>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="Application_ID">649ea5b1</string>
+    <string name="Api_key">957bf506d03a01840ea957d5900c4fa6</string>
+</resources>

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

@@ -0,0 +1,7 @@
+<resources>
+    <string name="app_name">Transport Coding Challenge</string>
+    <string name="action_sign_in_short">Submit</string>
+    <string name="search_hint">Search by road Id (eg. A40)</string>
+    <string name="road_status">Road Status</string>
+    <string name="road_description">Road Description</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/transportcodingchallenge/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.example.h_mal.transportcodingchallenge
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * 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)
+    }
+}

build.gradle

@@ -0,0 +1,28 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.3.61'
+    repositories {
+        google()
+        jcenter()
+        
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+        
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Sat Feb 22 17:59:02 UTC 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name='Transport Coding Challenge'