How To Refresh Widget Listview When Button Refresh Is Clicked?

I'm creating a Widget with ListView on it. Displaying the result from the Web Service in the ListView is okay. I created a class which is my WidgetService that extends to RemoteVie

Solution 1:

In my onUpdateI set an Action to be called in my onReceive, and also put the appWidgetIds to be used as well in the onReceive

Intent refreshIntent = newIntent(context, WidgetProvider.class);
        refreshIntent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
        refreshIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);

then in onReceive I call the onUpdate

if (intent.getAction().equals(AppWidgetManager.ACTION_APPWIDGET_UPDATE)) {
        Bundle extras = intent.getExtras();
        if (extras != null) {
            int[] appWidgetIds = extras.getIntArray(AppWidgetManager.EXTRA_APPWIDGET_IDS);
            if (appWidgetIds != null && appWidgetIds.length > 0) {
                Toast.makeText(context, "REFRESH", Toast.LENGTH_SHORT).show();
                this.onUpdate(context, AppWidgetManager.getInstance(context), appWidgetIds);
            }
        }
    }

Solution 2:

arrayList = new ArrayList<AllPostsProvider>();
arrayList.add(all_contents);
AllPostReCyclerViewAdapter = new AllPostReCyclerViewAdapter(arrayList,getApplicationContext());

and when click refreash button

 arrayList.clear();
 arrayList = new ArrayList<AllPostsProvider>();
 arrayList.add(all_contents);
AllPostReCyclerViewAdapter = new AllPostReCyclerViewAdapter(arrayList,getApplicationContext());