ANDROID WIDGET EXAMPLE

WELL...A widget is a small gadget or control of your android application placed on the home screen. Widgets can be very handy as they allow you to put your favourite applications on your homescreen in order to quickly access them. You have probably seen some common widgets , such as music widget , weather widget , clock widget e.t.c

YOUR XML FILE SHOULD BE LIKE THIS-

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:gravity="top"
   android:paddingBottom="@dimen/activity_vertical_margin"
   android:paddingLeft="@dimen/activity_horizontal_margin"
   android:paddingRight="@dimen/activity_horizontal_margin"
   android:paddingTop="@dimen/activity_vertical_margin"
   tools:context=".MainActivity" >

   <TextView
      android:id="@+id/textView1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentLeft="true"
      android:layout_alignParentTop="true"
      android:text="@string/website"
      android:textAppearance="?android:attr/textAppearanceMedium" />

   <Button
      android:id="@+id/button1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignLeft="@+id/textView1"
      android:layout_below="@+id/textView1"
      android:layout_marginLeft="18dp"
      android:text="@string/app_name" />

</RelativeLayout>

YOUR MAIN ACTIVITY FILE SHOULD BE LIKE THIS-

package com.example.widget;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.webkit.WebView.FindListener;
import android.widget.Button;
import android.widget.RemoteViews;
import android.widget.Toast;

public class MainActivity extends AppWidgetProvider{

   @Override
   public void onUpdate(Context context, AppWidgetManager appWidgetManager,
   int[] appWidgetIds) {
      for(int i=0; i<appWidgetIds.length; i++){
      int currentWidgetId = appWidgetIds[i];
      String url = "http://ultra-android-dev.blogspot.com";
      Intent intent = new Intent(Intent.ACTION_VIEW);
      intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      intent.setData(Uri.parse(url));
      PendingIntent pending = PendingIntent.getActivity(context, 0,
      intent, 0);
      RemoteViews views = new RemoteViews(context.getPackageName(),
      R.layout.activity_main);
      views.setOnClickPendingIntent(R.id.button1, pending);
      appWidgetManager.updateAppWidget(currentWidgetId,views);
      Toast.makeText(context, "widget added", Toast.LENGTH_SHORT).show(); 
      }
   } 
}  

 PLACE THE PERMISSION 

<uses-permission android:name="android.permission.INTERNET"/>