Added the Albums functionality

app/build.gradle

@@ -3,12 +3,12 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
     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.constraint:constraint-layout:1.0.0-alpha8'
+    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.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'
+    compile 'com.squareup.picasso:picasso:2.5.2'
     testCompile 'junit:junit:4.12'
 }
 repositories {

app/src/main/AndroidManifest.xml

@@ -21,7 +21,10 @@
                 <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.PhotosActivity" />
+        <activity android:name=".activities.LargePhotoActivity"></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
@@ -26,7 +27,7 @@ class MainActivity : AppCompatActivity() {
         btnTodos.setOnClickListener({
             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 +1,59 @@
+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.AlbumAdapter;
+import com.codingblocks.restapiretrofitjson.api.API;
+import com.codingblocks.restapiretrofitjson.api.AlbumsAPI;
+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 AlbumActivity extends AppCompatActivity {
+
+    RecyclerView rvAlbumList ;
+    @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));
+        final AlbumAdapter adapter = new AlbumAdapter(new ArrayList<Album>() , this) ;
+        rvAlbumList.setAdapter(adapter);
+        adapter.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(int itemId, View view) {
+                Intent i = new Intent(AlbumActivity.this ,PhotosActivity.class) ;
+                i.putExtra("id" , itemId) ;
+                startActivity(i);
+            }
+        });
+
+
+         API.getInstance().getAlbumsAPI().getAlbums().enqueue(new Callback<ArrayList<Album>>() {
+            @Override
+            public void onResponse(Call<ArrayList<Album>> call, Response<ArrayList<Album>> response) {
+                      adapter.updateAlbumList(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<ArrayList<Album>> call, Throwable t) {
+
+            }
+        }); ;
+
+
+    }
+}

app/src/main/java/com/codingblocks/restapiretrofitjson/activities/LargePhotoActivity.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 LargePhotoActivity extends AppCompatActivity {
+
+    ImageView ivLargePhoto ;
+    TextView tvTitle ;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_large_photo);
+        ivLargePhoto = (ImageView)findViewById(R.id.ivPhoto) ;
+        tvTitle = (TextView)findViewById(R.id.tvPhotoLTitle) ;
+        String title = getIntent().getStringExtra("title") ;
+        String url = getIntent().getStringExtra("url") ;
+        Picasso.with(this).load(url).into(ivLargePhoto);
+        tvTitle.setText(title);
+    }
+}

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

@@ -0,0 +1,57 @@
+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.PhotosAdapter;
+import com.codingblocks.restapiretrofitjson.api.API;
+import com.codingblocks.restapiretrofitjson.models.Photo;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class PhotosActivity extends AppCompatActivity {
+
+    RecyclerView rvPhotos ;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_photos);
+        rvPhotos = (RecyclerView)findViewById(R.id.rvPhotoList);
+        rvPhotos.setLayoutManager(new LinearLayoutManager(this));
+        final PhotosAdapter adapter = new PhotosAdapter(new ArrayList<Photo>() ,this) ;
+        rvPhotos.setAdapter(adapter);
+
+        adapter.setOpcl(new PhotosAdapter.OnPhotoClickListener() {
+            @Override
+            public void onClick(String url, String title) {
+                Intent i = new Intent(PhotosActivity.this ,LargePhotoActivity.class) ;
+                i.putExtra("url" , url) ;
+                i.putExtra("title" , title) ;
+                startActivity(i);
+            }
+        });
+
+        int id = getIntent().getIntExtra("id" , 0 ) ;
+        API.getInstance().getAlbumsAPI().getPhotoOfAlbum(id).enqueue(new Callback<ArrayList<Photo>>() {
+            @Override
+            public void onResponse(Call<ArrayList<Photo>> call, Response<ArrayList<Photo>> response) {
+                adapter.updatePhotoList(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<ArrayList<Photo>> call, Throwable t) {
+
+            }
+        });
+
+
+    }
+}

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

@@ -0,0 +1,78 @@
+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.TextView;
+
+import com.codingblocks.restapiretrofitjson.R;
+import com.codingblocks.restapiretrofitjson.interfaces.OnItemClickListener;
+import com.codingblocks.restapiretrofitjson.models.Album;
+
+import java.util.ArrayList;
+
+/**
+ * Created by anirudh on 03/07/17.
+ */
+
+public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.AlbumViewHolder> {
+
+    ArrayList<Album> albumArrayList ;
+    Context context ;
+
+    OnItemClickListener oacl ;
+
+    public void setOnItemClickListener(OnItemClickListener oacl) {
+        this.oacl = oacl;
+    }
+
+    public void updateAlbumList(ArrayList<Album> albums){
+        this.albumArrayList =albums ;
+        notifyDataSetChanged();
+    }
+
+
+    public AlbumAdapter(ArrayList<Album> albumArrayList, Context context) {
+        this.albumArrayList = albumArrayList;
+        this.context = context;
+    }
+
+    @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(final AlbumViewHolder holder, final int position) {
+        final Album thisAlbum =  albumArrayList.get(position) ;
+        holder.tvAlbumTitle.setText(thisAlbum.getTitle());
+        holder.thisView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if(oacl !=null)
+                oacl.onItemClick(thisAlbum.getId() , holder.thisView);
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return albumArrayList.size();
+    }
+
+    public class AlbumViewHolder extends RecyclerView.ViewHolder{
+        TextView tvAlbumTitle ;
+        View thisView ;
+
+        public AlbumViewHolder(View itemView) {
+            super(itemView);
+            tvAlbumTitle = (TextView) itemView.findViewById(R.id.tvAlbumTitle);
+            thisView = itemView ;
+        }
+    }
+}

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

@@ -0,0 +1,81 @@
+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.models.Photo;
+import com.squareup.picasso.Picasso;
+
+import java.util.ArrayList;
+
+/**
+ * Created by anirudh on 03/07/17.
+ */
+
+public class PhotosAdapter extends RecyclerView.Adapter<PhotosAdapter.PhotoViewHolder> {
+
+    private ArrayList<Photo> photoArrayList ;
+    private Context context ;
+    private OnPhotoClickListener opcl ;
+
+    public void setOpcl(OnPhotoClickListener opcl) {
+        this.opcl = opcl;
+    }
+
+    public PhotosAdapter(ArrayList<Photo> photoArrayList, Context context) {
+        this.photoArrayList = photoArrayList;
+        this.context = context;
+    }
+    public interface OnPhotoClickListener{
+        public void onClick(String url ,String title) ;
+    }
+    public void updatePhotoList(ArrayList<Photo> photos){
+        this.photoArrayList = photos ;
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public PhotoViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        LayoutInflater li = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View itemView = li.inflate(R.layout.list_item_photos ,parent ,false) ;
+        return new PhotoViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(PhotoViewHolder holder, int position) {
+        final Photo thisPhoto = photoArrayList.get(position) ;
+        Picasso.with(context).load(thisPhoto.getThumbnailUrl()).into(holder.ivThumbnail);
+        holder.tvPhotoTitle.setText(thisPhoto.getTitle());
+        holder.thisView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                opcl.onClick(thisPhoto.getUrl() ,thisPhoto.getTitle());
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return photoArrayList.size();
+    }
+
+    public class PhotoViewHolder extends RecyclerView.ViewHolder{
+        ImageView ivThumbnail ;
+        TextView tvPhotoTitle ;
+        View thisView ;
+        public PhotoViewHolder(View itemView) {
+            super(itemView);
+            ivThumbnail = (ImageView)itemView.findViewById(R.id.ivThumbnail) ;
+            tvPhotoTitle =(TextView)itemView.findViewById(R.id.tvPhotoTitle) ;
+            thisView = itemView ;
+        }
+    }
+}
+
+

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

@@ -48,6 +48,7 @@ public class TodoAdapter (
 
         fun bindTodo(todo: Todo) {
             itemView.tvTodoTitle.text = todo.title;
+            itemView.checkBoxTodo.setChecked(todo.completed)
         }
     }
 }