如何手动更新小部件？

Question

I want to update widget manually. So, I add in an AndroidManifest filter:

 <action android:name="com.myapp.WIDGET_UPDATE"/>

And I try to send broadcasts from adb console like this

am broadcast -a com.myapp.WIDGET_UPDATE

But nothing happens. Here is the code from onReceive:

public class myapp extends AppWidgetProvider {

    private final static IntentFilter intentFilter = new IntentFilter("com.myapp.WIDGET_UPDATE");

    private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
        public void onReceive(Context context, Intent intent) {
            updateWidget(context);
        }
    };
}

Answer 1

you have to put one button in layout_wid.xml file.

in onUpdate() you have to find the id of your button.and put click event to refresh your widget

Intent imageview2Intent= new Intent(context, WatchWidget.class);
PendingIntent pendingIntent= PendingIntent.getBroadcast(context,0, imageview2Intent,0);         
remoteViews.setOnClickPendingIntent(R.id.widget_textview, pendingIntent);

you try this way.