[android-developers] how to update widget ?

[Hitendrasinh Gohil]

Hi,

I have made three classess.

MainActivity
AppWidgetService
AppWidget

As i am able to update widget from activity through service.I have one
button in wiget.i want to update widget onclick of the button.
Here is my code for AppWidgetService.
package com.widget.main;

import android.app.IntentService;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.widget.RemoteViews;

public class AppWidgetService extends IntentService {

        public AppWidgetService() {
                super("AppWidgetService");
                // TODO Auto-generated constructor stub
        }

        @Override
        protected void onHandleIntent(Intent intent) {
                ComponentName componentName = new ComponentName(this,
AppWidget.class);
                RemoteViews remoteViews = new RemoteViews("com.widget.main",
                                R.layout.appwidget);
                AppWidgetManager appWidgetManager =
AppWidgetManager.getInstance(this);

                remoteViews.setTextViewText(R.id.TextView01,
                                
MainActivity.listarray[MainActivity.currentIndex]);

                Intent activityIntent = new Intent(this, MainActivity.class);
                PendingIntent pendingIntent = PendingIntent.getActivity(
                                getApplicationContext(), 0, activityIntent,
                                PendingIntent.FLAG_UPDATE_CURRENT);
                remoteViews.setOnClickPendingIntent(R.id.ImageView01,
pendingIntent);

/*              Intent serviceIntent = new Intent(this, AppWidgetService.class);
                PendingIntent pendingserviceIntent = PendingIntent.getService(
                                getApplicationContext(), 0,
serviceIntent,PendingIntent.FLAG_UPDATE_CURRENT);

        
remoteViews.setOnClickPendingIntent(R.id.ImageButton01,pendingserviceIntent);*/

                appWidgetManager.updateAppWidget(componentName, remoteViews);
        }

}
and here is my code for widget class.
package com.widget.main;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;

public class AppWidget extends AppWidgetProvider
{
        public void onUpdate(Context context,AppWidgetManager
appWidgetManager,int[] appWidgetIds)
        {
                super.onUpdate(context, appWidgetManager, appWidgetIds);
                context.startService(new 
Intent(context,AppWidgetService.class));
        }
}

so how can i update widget when click on widget button?

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