Android App Widget sample app using setOnClickPendingIntent

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.test1"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="17"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
    
        <receiver android:name=".ExampleAppWidgetProvider">
            <meta-data android:name="android.appwidget.provider"
                    android:resource="@xml/appwidget_provider" />
            <intent-filter>
                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
            </intent-filter>
        </receiver>    
    
    </application>

</manifest>

appwidget_provider.xml

<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
    android:minWidth="60dp"
    android:minHeight="30dp"
    android:updatePeriodMillis="86400000"
    android:initialLayout="@layout/appwidget_provider_layout"
    android:resizeMode="horizontal"
    >
</appwidget-provider>

appwidget_provider_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content">
	
	<ImageButton
	    android:id="@+id/widget_play"
	    android:layout_width="50dp"
	    android:layout_height="50dp"
	    android:scaleType="fitCenter"
	    android:adjustViewBounds="true"
	    android:layout_marginRight="5dp"
	    android:src="@drawable/run"/>
	
	<ImageButton
	    android:id="@+id/widget_pause"
	    android:layout_width="50dp"
	    android:layout_height="50dp"
	    android:scaleType="fitCenter"
	    android:adjustViewBounds="true"
	    android:layout_marginRight="5dp"
	    android:src="@drawable/pause"/>
	
	<ImageButton
	    android:id="@+id/widget_reset"
	    android:layout_width="50dp"
	    android:layout_height="50dp"
	    android:scaleType="fitCenter"
	    android:adjustViewBounds="true"
	    android:src="@drawable/reset"/>
</LinearLayout>

ExampleAppWidgetProvider.java

public class ExampleAppWidgetProvider extends AppWidgetProvider {

    private static final String TAG = "ExampleAppWidgetProvider";
    private String playAction = "playService";
    private String stopAction = "stopService";
    private String resetAction = "resetService";

    @Override
    public void onReceive(Context context, Intent intent) {
    	String action = intent.getAction();
    	Log.v(TAG, "Action received = " + action);
    	super.onReceive(context, intent);
    }
    
    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_provider_layout);
        views.setOnClickPendingIntent(R.id.widget_play, this.getPendingSelfIntent(context, playAction));
        views.setOnClickPendingIntent(R.id.widget_pause, this.getPendingSelfIntent(context, stopAction));
        views.setOnClickPendingIntent(R.id.widget_reset, this.getPendingSelfIntent(context, resetAction));

        appWidgetManager.updateAppWidget(new ComponentName(context, ExampleAppWidgetProvider.class), views);
    }
    
    protected PendingIntent getPendingSelfIntent(Context context, String action) {
        Intent intent = new Intent(context, ExampleAppWidgetProvider.class);
        intent.setAction(action);
        return PendingIntent.getBroadcast(context, 0, intent, 0);
    }
}