Android trending repositories project

.gitignore

@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,95 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    defaultConfig {
+        applicationId "lum.steve.githubtrendsapp"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    testOptions {
+        unitTests.returnDefaultValues = true
+    }
+
+    flavorDimensions "default"
+
+    // If you need to add more flavors, consider using flavor dimensions.
+    productFlavors {
+        prod {
+            dimension "default"
+        }
+        mock {
+            applicationIdSuffix = ".mock"
+            dimension "default"
+        }
+    }
+    configurations.all {
+        resolutionStrategy.force 'com.google.code.findbugs:jsr305:2.0.1'
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
+    implementation "com.android.support:design:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:cardview-v7:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:recyclerview-v7:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:support-v4:$rootProject.supportLibraryVersion"
+
+    implementation "com.android.support.constraint:constraint-layout:$rootProject.constraintVersion"
+
+    implementation "com.google.guava:guava:$rootProject.guavaVersion"
+
+    implementation "com.squareup.retrofit2:retrofit:$rootProject.retrofitVersion"
+    implementation "com.squareup.retrofit2:converter-gson:$rootProject.retrofitVersion"
+    implementation "com.squareup.okhttp3:okhttp:$rootProject.okhttpVersion"
+    implementation "com.squareup.okhttp3:logging-interceptor:$rootProject.okhttpVersion"
+    implementation "com.squareup.retrofit2:adapter-rxjava:$rootProject.retrofitAdapterRxVersion"
+    implementation "com.google.code.gson:gson:$rootProject.gsonVersion"
+    implementation "com.squareup.picasso:picasso:$rootProject.picassoVersion"
+
+    //rxjava
+    implementation "io.reactivex:rxandroid:$rootProject.rxandroidVersion"
+    implementation "io.reactivex:rxjava:$rootProject.rxjavaVersion"
+
+    // Dependencies for local unit tests
+    testImplementation "junit:junit:$rootProject.ext.junitVersion"
+    testImplementation "org.hamcrest:hamcrest-all:$rootProject.ext.hamcrestVersion"
+    testImplementation "org.mockito:mockito-core:$rootProject.ext.mockitoVersion"
+
+    // Android Testing Support Library's runner and rules
+    androidTestImplementation "com.android.support.test:runner:$rootProject.ext.runnerVersion"
+    androidTestImplementation "com.android.support.test:rules:$rootProject.ext.runnerVersion"
+
+    // Dependencies for Android unit tests
+    androidTestImplementation "junit:junit:$rootProject.ext.junitVersion"
+    androidTestImplementation "org.mockito:mockito-android:$rootProject.ext.mockitoVersion"
+
+    // Espresso UI Testing
+    androidTestImplementation("com.android.support.test.espresso:espresso-core:$rootProject.espressoVersion") {
+        exclude module: 'jsr305'
+    }
+    androidTestImplementation "com.android.support.test.espresso:espresso-contrib:$rootProject.espressoVersion"
+    androidTestImplementation "com.android.support.test.espresso:espresso-intents:$rootProject.espressoVersion"
+
+}

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/lum/steve/githubtrendsapp/repos/trend/TrendingReposActivityTest.kt

@@ -0,0 +1,27 @@
+package lum.steve.githubtrendsapp.repos.trend
+
+import android.support.test.espresso.Espresso.onView
+import android.support.test.espresso.assertion.ViewAssertions
+import android.support.test.espresso.matcher.ViewMatchers.isDisplayed
+import android.support.test.espresso.matcher.ViewMatchers.withText
+import android.support.test.filters.LargeTest
+import android.support.test.rule.ActivityTestRule
+import android.support.test.runner.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+@LargeTest
+class TrendingReposActivityTest {
+
+    @Rule
+    @JvmField var rule = ActivityTestRule(TrendingReposActivity::class.java)
+
+    @Test
+    fun repos_DisplayedInUi() {
+        onView(withText("repo1 desc")).check(ViewAssertions.matches(isDisplayed()))
+        onView(withText("repo2 desc")).check(ViewAssertions.matches(isDisplayed()))
+    }
+
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="lum.steve.githubtrendsapp">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        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=".repos.trend.TrendingReposActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".repos.detail.ReposDetailActivity"
+            android:parentActivityName=".repos.trend.TrendingReposActivity" />
+    </application>
+
+</manifest>

app/src/main/java/lum/steve/githubtrendsapp/base/BaseActivity.kt

@@ -0,0 +1,26 @@
+package lum.steve.githubtrendsapp.base
+
+import android.content.Context
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+
+abstract class BaseActivity<in V : BaseView, T : BasePresenter<V>> : AppCompatActivity(), BaseView {
+
+    protected abstract var presenter: T
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        presenter.attachView(this as V)
+    }
+
+    override fun getContext(): Context {
+        return this
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        presenter.detachView()
+    }
+
+}

app/src/main/java/lum/steve/githubtrendsapp/base/BasePresenter.kt

@@ -0,0 +1,8 @@
+package lum.steve.githubtrendsapp.base
+
+interface BasePresenter<in V : BaseView> {
+
+    fun attachView(view: V)
+
+    fun detachView()
+}

app/src/main/java/lum/steve/githubtrendsapp/base/BasePresenterImpl.kt

@@ -0,0 +1,29 @@
+package lum.steve.githubtrendsapp.base
+
+import rx.Scheduler
+import rx.Subscription
+import rx.subscriptions.CompositeSubscription
+
+/**
+ * Created by andrewkhristyan on 10/2/16.
+ */
+open class BasePresenterImpl<V : BaseView>(protected var ioScheduler: Scheduler?, protected var mainScheduler: Scheduler?) : BasePresenter<V> {
+
+    protected var mView: V? = null
+
+    private val compositeSubscription = CompositeSubscription()
+
+    override fun attachView(view: V) {
+        mView = view
+    }
+
+    override fun detachView() {
+        compositeSubscription.clear()
+        mView = null
+    }
+
+    protected fun addSubscription(subscription: Subscription) {
+        this.compositeSubscription.add(subscription)
+    }
+
+}

app/src/main/java/lum/steve/githubtrendsapp/base/BaseView.kt

@@ -0,0 +1,8 @@
+package lum.steve.githubtrendsapp.base
+
+import android.content.Context
+
+interface BaseView {
+
+    fun getContext(): Context
+}

app/src/main/java/lum/steve/githubtrendsapp/repos/ReposAdapter.kt

@@ -0,0 +1,44 @@
+package lum.steve.githubtrendsapp.repos
+
+import android.content.Context
+import android.support.v7.widget.RecyclerView
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import com.squareup.picasso.Picasso
+import lum.steve.githubtrendsapp.R
+import lum.steve.githubtrendsapp.repos.data.remote.model.GitHubSearchResults
+import lum.steve.githubtrendsapp.repos.data.remote.model.Item
+import lum.steve.githubtrendsapp.repos.trend.TrendingReposActivity
+
+
+internal class ReposAdapter(private var searchResults: GitHubSearchResults?, private val context: Context,
+                            private val onItemClickListener: TrendingReposActivity.OnItemClickListener) : RecyclerView.Adapter<ReposViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ReposViewHolder {
+        val v = LayoutInflater.from(parent.context).inflate(R.layout.list_item_repo, parent, false)
+        return ReposViewHolder(v)
+    }
+
+    override fun onBindViewHolder(holder: ReposViewHolder, position: Int) {
+        val item : Item = searchResults!!.items!![position]
+
+        holder.textViewBio.text = item.description
+        holder.textViewName.text = item.fullName
+        Picasso.with(context).load(item.owner!!.avatarUrl).into(holder.imageViewAvatar)
+
+        holder.itemView.setOnClickListener {
+            onItemClickListener.onItemClick(item)
+        }
+    }
+
+    override fun getItemCount(): Int {
+        return if (searchResults == null) {
+            0
+        } else searchResults!!.items!!.size
+    }
+
+    fun setItems(reposList: GitHubSearchResults) {
+        this.searchResults = reposList
+        notifyDataSetChanged()
+    }
+}

app/src/main/java/lum/steve/githubtrendsapp/repos/ReposViewHolder.kt

@@ -0,0 +1,23 @@
+package lum.steve.githubtrendsapp.repos
+
+import android.support.v7.widget.RecyclerView
+import android.view.View
+import android.widget.ImageView
+import android.widget.TextView
+
+import lum.steve.githubtrendsapp.R
+
+internal class ReposViewHolder(v: View) : RecyclerView.ViewHolder(v) {
+
+    val textViewBio: TextView
+    val textViewName: TextView
+    val imageViewAvatar: ImageView
+
+    init {
+        imageViewAvatar = v.findViewById<View>(R.id.imageview_avatar) as ImageView
+        textViewName = v.findViewById<View>(R.id.textview_username) as TextView
+        textViewBio = v.findViewById<View>(R.id.textview_desc) as TextView
+    }
+
+
+}

app/src/main/java/lum/steve/githubtrendsapp/repos/data/ReposRepository.kt

@@ -0,0 +1,10 @@
+package lum.steve.githubtrendsapp.repos.data
+
+import lum.steve.githubtrendsapp.repos.data.remote.model.GitHubRepoDetail
+import lum.steve.githubtrendsapp.repos.data.remote.model.GitHubSearchResults
+import rx.Observable
+
+interface ReposRepository {
+    fun searchRepos(q: String): Observable<GitHubSearchResults>
+    fun fetchRepoInfo(owner: String, repo: String): Observable<GitHubRepoDetail>
+}

app/src/main/java/lum/steve/githubtrendsapp/repos/data/ReposRepositoryImpl.kt

@@ -0,0 +1,32 @@
+package lum.steve.githubtrendsapp.repos.data
+
+import lum.steve.githubtrendsapp.repos.data.remote.GithubService
+import lum.steve.githubtrendsapp.repos.data.remote.model.GitHubRepoDetail
+import lum.steve.githubtrendsapp.repos.data.remote.model.GitHubSearchResults
+import rx.Observable
+
+class ReposRepositoryImpl(val githubService: GithubService) : ReposRepository {
+
+    override fun searchRepos(q: String): Observable<GitHubSearchResults> {
+        return Observable.defer { githubService.loadTrendingRepos("stars", "desc", q) }
+    }
+
+    override fun fetchRepoInfo(owner: String, repo:String): Observable<GitHubRepoDetail> {
+        return Observable.defer { githubService.fetchRepoInfo(owner, repo) }
+    }
+
+    companion object {
+
+        private var INSTANCE: ReposRepository? = null
+
+        /**
+         * Singleton instantiaton
+         */
+        @JvmStatic
+        fun getInstance(githubService: GithubService): ReposRepository {
+            return INSTANCE ?: ReposRepositoryImpl(githubService = githubService)
+                    .apply { INSTANCE = this }
+        }
+    }
+
+}