Widget with Service (Custom Action)

AndroidManifest.xml

/** change the service in manifest to receive custom action **/

    <service android:name="com.stackwork.app.services.CustomService" >
            <intent-filter>
                <action android:name="com.mediabook.app.ACTION_PLAY" />

                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </service>

CustomService.java

public class CustomService extends Service {
    
    @Override
    public void onCreate() {
        super.onCreate();
    }

    @Override
    public int onStartCommand(Intent intent, int flag, int startId) {

        if(intent != null && intent.getAction().equalsIgnoreCase("com.example.app.ACTION_PLAY")){
            // do your stuff here
        }
        return START_STICKY;
    }
}

CustomWidgetProvider.java

// create a custom widget provider

public class CustomWidgetProvider extends AppWidgetProvider{

    public static final String ACTION_PLAY = "com.example.app.ACTION_PLAY";

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {

        for (int i = 0; i < appWidgetIds.length; i++) {
            int appWidgetId = appWidgetIds[i];
            RemoteViews remoteViews = new RemoteViews(context.getPackageName(),R.layout.widget_layout);
            Intent intent = new Intent(ACTION_PLAY);
            PendingIntent pendingIntent = PendingIntent.getService(context, 100,
                intent, PendingIntent.FLAG_UPDATE_CURRENT);
            remoteViews.setOnClickPendingIntent(R.id.play, pendingIntent);
            appWidgetManager.updateAppWidget(appWidgetId, remoteViews);
        }
        super.onUpdate(context, appWidgetManager, appWidgetIds);
    }
}

widget_layout.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="horizontal"
              android:layout_width="match_parent"
              android:layout_height="match_parent">

    <Button
        android:id="@+id/play"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Play"
        android:layout_margin="10dp"/>
    <Button
        android:id="@+id/pause"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Pause"
        android:layout_margin="10dp"/>
    <Button
        android:id="@+id/next"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Next"
        android:layout_margin="10dp"/>
</LinearLayout>