Working REST API project

app/build.gradle

@@ -3,12 +3,12 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 25
     buildToolsVersion "25.0.2"
     defaultConfig {
         applicationId "com.codingblocks.restapiretrofitjson"
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -27,12 +27,13 @@ dependencies {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
-    compile 'com.android.support:appcompat-v7:26.+'
-    compile 'com.android.support:recyclerview-v7:26.+'
-    compile 'com.android.support:cardview-v7:26.+'
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.android.support:recyclerview-v7:25.3.1'
+    compile 'com.android.support:cardview-v7:25.3.1'
     compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha8'
     compile 'com.squareup.retrofit2:retrofit:2.3.0'
     compile 'com.squareup.retrofit2:converter-gson:2.3.0'
+    compile 'com.squareup.picasso:picasso:2.5.2'
     testCompile 'junit:junit:4.12'
 }
 repositories {

app/src/main/AndroidManifest.xml

@@ -21,7 +21,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".activities.TodosActivity"></activity>
+        <activity android:name=".activities.TodosActivity" />
+        <activity android:name=".activities.AlbumActivity" />
+        <activity android:name=".activities.AlbumPhotosActivity"></activity>
     </application>
 
 </manifest>

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

@@ -3,6 +3,7 @@ package com.codingblocks.restapiretrofitjson
 import android.content.Intent
 import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import com.codingblocks.restapiretrofitjson.activities.AlbumActivity
 import com.codingblocks.restapiretrofitjson.activities.PostsActivity
 import com.codingblocks.restapiretrofitjson.activities.TodosActivity
 import com.codingblocks.restapiretrofitjson.activities.UsersActivity
@@ -27,6 +28,7 @@ class MainActivity : AppCompatActivity() {
             startActivity(Intent(this@MainActivity, TodosActivity::class.java))
         })
 
-
+       btnAlbums.setOnClickListener ({
+           startActivity(Intent(this@MainActivity , AlbumActivity::class.java)) })
     }
 }

app/src/main/java/com/codingblocks/restapiretrofitjson/activities/AlbumActivity.java

@@ -0,0 +1,58 @@
+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 com.codingblocks.restapiretrofitjson.R;
+import com.codingblocks.restapiretrofitjson.adapters.AlbumAdapter;
+import com.codingblocks.restapiretrofitjson.api.API;
+import com.codingblocks.restapiretrofitjson.interfaces.OnItemClickListener2;
+import com.codingblocks.restapiretrofitjson.models.Album;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class AlbumActivity extends AppCompatActivity {
+    RecyclerView rvAlbumList;
+    AlbumAdapter albumAdapter;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_album);
+        rvAlbumList= (RecyclerView) findViewById(R.id.rvAlbumList);
+        rvAlbumList.setLayoutManager(new LinearLayoutManager(this));
+        albumAdapter = new AlbumAdapter(this ,new ArrayList<Album>());
+        rvAlbumList.setAdapter(albumAdapter);
+
+        albumAdapter.setOnItemClickListener2(new OnItemClickListener2() {
+
+
+            @Override
+            public void onItemClick(String title , String url) {
+                Intent albumint = new Intent(AlbumActivity.this , AlbumPhotosActivity.class);
+                albumint.putExtra("title" , title);
+                albumint.putExtra("url" , url);
+                startActivity(albumint);
+            }
+        });
+
+
+        API.getInstance().getAlbumsAPI().getAlbums().enqueue(new Callback<ArrayList<Album>>() {
+            @Override
+            public void onResponse(Call<ArrayList<Album>> call, Response<ArrayList<Album>> response) {
+                albumAdapter.updateAlbums(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<ArrayList<Album>> call, Throwable t) {
+
+            }
+        });
+    }
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/activities/AlbumPhotosActivity.java

@@ -0,0 +1,26 @@
+package com.codingblocks.restapiretrofitjson.activities;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.codingblocks.restapiretrofitjson.R;
+import com.squareup.picasso.Picasso;
+
+public class AlbumPhotosActivity extends AppCompatActivity {
+    TextView tvPhoto;
+    ImageView imageView;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_album_photos);
+        tvPhoto= (TextView) findViewById(R.id.tvPhoto);
+        imageView= (ImageView) findViewById(R.id.imageView);
+        String s = getIntent().getStringExtra("title");
+        String u = getIntent().getStringExtra("url");
+        tvPhoto.setText(s);
+        Picasso.with(this).load(u).into(imageView);
+
+    }
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/activities/CommentsActivity.kt

@@ -31,11 +31,11 @@ class CommentsActivity : AppCompatActivity() {
         API.getInstance().commentsAPI.getCommentsByPostId(intent.getIntExtra("postId", 0))
                 .enqueue(object : Callback<ArrayList<Comment>> {
             override fun onFailure(call: Call<ArrayList<Comment>>?, t: Throwable?) {
-                //
+
             }
 
             override fun onResponse(call: Call<ArrayList<Comment>>?, response: Response<ArrayList<Comment>>?) {
-                //
+
                 commentAdapter.updateComments(response!!.body()!!)
             }
         })

app/src/main/java/com/codingblocks/restapiretrofitjson/adapters/AlbumAdapter.java

@@ -0,0 +1,89 @@
+package com.codingblocks.restapiretrofitjson.adapters;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.codingblocks.restapiretrofitjson.R;
+import com.codingblocks.restapiretrofitjson.interfaces.OnItemClickListener2;
+import com.codingblocks.restapiretrofitjson.models.Album;
+import com.squareup.picasso.Picasso;
+
+import java.util.ArrayList;
+
+import static com.codingblocks.restapiretrofitjson.R.id.ivAlbum;
+
+/**
+ * Created by kunalrustagi on 7/5/17.
+ */
+
+public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.AlbumViewHolder> {
+
+    private Context context;
+    public ArrayList<Album> albums;
+    private OnItemClickListener2 onItemClickListener2;
+
+    public void setOnItemClickListener2(OnItemClickListener2 onItemClickListener2) {
+        this.onItemClickListener2 = onItemClickListener2;
+    }
+
+    public AlbumAdapter(Context context, ArrayList<Album> albums) {
+        this.context = context;
+        this.albums = albums;
+    }
+    public void updateAlbums(ArrayList<Album> albums)
+    {
+        this.albums=albums;
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public AlbumViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        LayoutInflater li = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View itemView = li.inflate(R.layout.list_item_album , parent , false);
+
+        return new AlbumViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(AlbumViewHolder holder, int position) {
+        final Album thisalbum = albums.get(position);
+        holder.tvAlbumTitle.setText(albums.get(position).getTitle());
+        String url = albums.get(position).getThumbnailUrl();
+        Picasso.with(context).load(url).into(holder.ivAlbums);
+        holder.thisview.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (onItemClickListener2 !=null)
+                {
+                    onItemClickListener2.onItemClick(thisalbum.getTitle() , thisalbum.getUrl());
+                }
+            }
+        });
+
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return albums.size();
+    }
+
+    class AlbumViewHolder extends RecyclerView.ViewHolder
+    { TextView tvAlbumTitle;
+        ImageView ivAlbums;
+        View thisview;
+
+        public AlbumViewHolder(View itemView) {
+            super(itemView);
+            thisview=itemView;
+            tvAlbumTitle = (TextView) itemView.findViewById(R.id.tvAlbumTitle);
+            ivAlbums = (ImageView) itemView.findViewById(ivAlbum);
+        }
+    }
+
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/adapters/TodoAdapter.kt

@@ -48,6 +48,12 @@ public class TodoAdapter (
 
         fun bindTodo(todo: Todo) {
             itemView.tvTodoTitle.text = todo.title;
+            if(todo.completed==true){
+                itemView.checkbox.setChecked(true);
+            }
+            else{
+                itemView.checkbox.setChecked(false);
+            }
         }
     }
 }

app/src/main/java/com/codingblocks/restapiretrofitjson/api/API.java

@@ -15,6 +15,7 @@ public class API {
     private UsersAPI usersAPI;
     private CommentsAPI commentsAPI;
     private TodosAPI todosAPI;
+    private AlbumsAPI albumsAPI;
 
     public PostsAPI getPostsAPI() {
         return postsAPI;
@@ -31,7 +32,9 @@ public CommentsAPI getCommentsAPI() {
     public TodosAPI getTodosAPI() {
         return todosAPI;
     }
-
+    public AlbumsAPI getAlbumsAPI() {
+        return albumsAPI;
+    }
     private API() {
         Retrofit retrofit = new Retrofit.Builder()
                 .baseUrl("https://jsonplaceholder.typicode.com")
@@ -44,6 +47,7 @@ private API() {
         usersAPI = retrofit.create(UsersAPI.class);
         commentsAPI = retrofit.create(CommentsAPI.class);
         todosAPI = retrofit.create(TodosAPI.class);
+        albumsAPI = retrofit.create(AlbumsAPI.class);
     }
 
     public static API getInstance() {
@@ -53,4 +57,6 @@ public static API getInstance() {
 
         return apiInstance;
     }
+
+
 }

app/src/main/java/com/codingblocks/restapiretrofitjson/api/AlbumsAPI.java

@@ -0,0 +1,20 @@
+package com.codingblocks.restapiretrofitjson.api;
+
+import com.codingblocks.restapiretrofitjson.models.Album;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+
+/**
+ * Created by kunalrustagi on 7/5/17.
+ */
+
+public interface AlbumsAPI {
+
+    @GET("/photos")
+    Call<ArrayList<Album>> getAlbums();
+
+
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/interfaces/OnItemClickListener2.java

@@ -0,0 +1,9 @@
+package com.codingblocks.restapiretrofitjson.interfaces;
+
+/**
+ * Created by kunalrustagi on 7/5/17.
+ */
+
+public interface OnItemClickListener2 {
+    void onItemClick(String title, String url);
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/models/Album.kt

@@ -0,0 +1,12 @@
+package com.codingblocks.restapiretrofitjson.models
+
+/**
+ * Created by kunalrustagi on 7/5/17.
+ */
+data class Album(
+        val albumId : Int,
+        val title: String,
+        val id: Int,
+        val thumbnailUrl : String ,
+        val url: String
+)

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

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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="com.codingblocks.restapiretrofitjson.activities.AlbumActivity">
+    <android.support.v7.widget.RecyclerView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_margin="5dp"
+        android:padding="3dp"
+        android:id="@+id/rvAlbumList"
+        android:layout_alignParentTop="true" />
+</RelativeLayout>