Completed

AndroidSample_Retrofit_RESTAPI/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

AndroidSample_Retrofit_RESTAPI/app/.gitignore

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+/build

AndroidSample_Retrofit_RESTAPI/app/build.gradle

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+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+    defaultConfig {
+        applicationId "com.codingblocks.restapiretrofitjson"
+        minSdkVersion 16
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile 'com.android.support:appcompat-v7:25.1.0'
+    compile 'com.android.support:recyclerview-v7:25.1.0'
+    compile 'com.android.support:cardview-v7:25.1.0'
+    compile 'com.squareup.retrofit2:retrofit:2.3.0'
+    compile 'com.squareup.retrofit2:converter-gson:2.3.0'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    testCompile 'junit:junit:4.12'
+}
+repositories {
+    mavenCentral()
+}

AndroidSample_Retrofit_RESTAPI/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/championswimmer/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# 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

AndroidSample_Retrofit_RESTAPI/app/src/androidTest/java/com/codingblocks/restapiretrofitjson/ExampleInstrumentedTest.java

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+package com.codingblocks.restapiretrofitjson;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.codingblocks.restapiretrofitjson", appContext.getPackageName());
+    }
+}

AndroidSample_Retrofit_RESTAPI/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.codingblocks.restapiretrofitjson">
+
+    <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=".activities.UsersActivity" />
+        <activity android:name=".activities.PostsActivity" />
+        <activity android:name=".activities.CommentsActivity" />
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".activities.TodosActivity" />
+        <activity android:name=".activities.AlbumsActivity" />
+        <activity android:name=".activities.PhotosActivity"></activity>
+    </application>
+
+</manifest>

AndroidSample_Retrofit_RESTAPI/app/src/main/java/com/codingblocks/restapiretrofitjson/MainActivity.kt

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+package com.codingblocks.restapiretrofitjson
+
+import android.content.Intent
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+import com.codingblocks.restapiretrofitjson.activities.PostsActivity
+import com.codingblocks.restapiretrofitjson.activities.TodosActivity
+import com.codingblocks.restapiretrofitjson.activities.UsersActivity
+
+import kotlinx.android.synthetic.main.activity_main.*
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        btnPosts.setOnClickListener({
+            startActivity(Intent(this@MainActivity, PostsActivity::class.java))
+        })
+
+        btnUsers.setOnClickListener({
+            startActivity(Intent(this@MainActivity, UsersActivity::class.java))
+        })
+
+        btnTodos.setOnClickListener({
+            startActivity(Intent(this@MainActivity, TodosActivity::class.java))
+        })
+
+
+    }
+}

AndroidSample_Retrofit_RESTAPI/app/src/main/java/com/codingblocks/restapiretrofitjson/activities/AlbumsActivity.java

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+package com.codingblocks.restapiretrofitjson.activities;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+
+import com.codingblocks.restapiretrofitjson.R;
+import com.codingblocks.restapiretrofitjson.adapters.AlbumsAdapter;
+import com.codingblocks.restapiretrofitjson.api.API;
+import com.codingblocks.restapiretrofitjson.interfaces.OnItemClickListener;
+import com.codingblocks.restapiretrofitjson.models.Album;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class AlbumsActivity extends AppCompatActivity {
+
+    RecyclerView rvAlbums;
+    AlbumsAdapter albumsAdapter;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_albums);
+        rvAlbums =(RecyclerView) findViewById(R.id.rv_Albums);
+        rvAlbums.setLayoutManager(new LinearLayoutManager(this));
+        albumsAdapter = new AlbumsAdapter(this,new ArrayList<Album>());
+        rvAlbums.setAdapter(albumsAdapter);
+        albumsAdapter.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(int itemId, View view) {
+                startActivity((new Intent(AlbumsActivity.this,PhotosActivity.class)).putExtra("albumId",itemId));
+
+            }
+        });
+
+        API.getInstance().getAlbumsApi().getTitle().enqueue(new Callback<ArrayList<Album>>() {
+            @Override
+            public void onResponse(Call<ArrayList<Album>> call, Response<ArrayList<Album>> response) {
+                albumsAdapter.updateAlbums(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<ArrayList<Album>> call, Throwable t) {
+
+            }
+        });
+
+
+    }
+}