Widget Click Event

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.widget_sample"    android:versionCode="1"    android:versionName="1.0" >     <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" />     <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >                 <receiver android:name=".MainActivity" android:label="WIDGET_SAMPLE">            <intent-filter>                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />            </intent-filter>            <meta-data android:name="android.appwidget.provider" android:resource="@xml/my_widget" />        </receiver>                  <service android:name="MainActivity$MyService" >   <intent-filter>                <action android:name="Widget.Button.Click"></action>            </intent-filter>        </service>     </application> </manifest>

Package com. example. widget_sample; import java. util. timer; import android. app. pendingIntent; import android. app. service; import android. appwidget. appWidgetManager; import android. appwidget. appWidgetProvider; import android. content. componentName; import android. content. context; import android. content. intent; import android. OS. IBinder; import android. util. log; import android. widget. remoteViews; public class Main Activity extends AppWidgetProvider {public Context context; static int num = 100; static String tag_action = "Widget. button. click "; public void onUpdate (Context con, AppWidgetManager appWidgetManager, int [] appWidgetIds) {context = con; Intent intent = new Intent (context, MyService. class); context. startService (intent);} // MyService Service program public static class MyService extends Service {public void onStart (Int Ent intent, int startId) {ComponentName thisWidget = new ComponentName (this, MainActivity. class); AppWidgetManager manager = AppWidgetManager. getInstance (this); RemoteViews remoteViews = new RemoteViews (getPackageName (), R. layout. activity_main); // if (intent. getAction ()! = Null) {if (intent. getAction (). equals (tag_action) {num -- ;}} remoteViews. setTextViewText (R. id. textView1, String. valueOf (num); // defines an Intent to send the ActionIntent prevInten = new Intent (); prevInten. setAction (tag_action); // use Intent to instantiate a PendingIntentPendingIntent Pprevintent = PendingIntent. getService (this, 0, prevInten, 0); // set the Button event remoteViews for the Button on the RemoteView. setOnClickPendingIntent (R. id. button1, Pprevintent); manager. updateAppWidget (thisWidget, remoteViews);} @ Overridepublic IBinder onBind (Intent arg0) {// TODO Auto-generated method stubreturn null ;}}}