TCW

MainActivity_.java

package com.r2d.the_clock_widget;
 
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
import android.annotation.SuppressLint;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.PowerManager;
import android.provider.AlarmClock;
import android.util.Log;
import android.widget.RemoteViews;
 
 
@SuppressLint({ "SimpleDateFormat", "InlinedApi" })
public class MainActivity extends AppWidgetProvider{
 
	private static final String LOG_TAG = "TheClockWidget";
	private static String CLOCK_WIDGET_UPDATE="com.r2d.The_Clock_Widget.WIDGET_UPDATE";
	
	@SuppressLint("SimpleDateFormat")
	private static final java.text.DateFormat df = new SimpleDateFormat("kk:mm:ss");
 
	@Override
	public void onReceive(Context context, Intent intent) {
		// TODO Auto-generated method stub
		super.onReceive(context, intent);
 
		if(CLOCK_WIDGET_UPDATE.equals(intent.getAction())){
			Log.d(LOG_TAG, "Clock Update");
 
			ComponentName appwidget = new ComponentName(context.getPackageName(),getClass().getName());
			AppWidgetManager appwidgetManager = AppWidgetManager.getInstance(context);
 
			int[] appWidgetIds = appwidgetManager.getAppWidgetIds(appwidget);
			for(int id:appWidgetIds){													//Update all instances of the widget
				updatetime(context,appwidgetManager,id);				
			}
		}
	}
 
	private PendingIntent createClockIntent(Context context){
 
		Intent intent = new Intent(CLOCK_WIDGET_UPDATE);
		PendingIntent pendingInt = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
 
		return pendingInt;
	}
 
	@Override
	public void onDisabled(Context context) {
		// TODO Auto-generated method stub
		super.onDisabled(context);
		Log.d(LOG_TAG, "Widget Provider disabled. Turning off timer");
		AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
		alarmManager.cancel(createClockIntent(context));	
	}	
 
	@Override
	public void onEnabled(Context context) {
		// TODO Auto-generated method stub
		super.onEnabled(context);
		Log.d(LOG_TAG, "Widget Provider enabled.  Starting timer to update widget every second");
		AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
 
		Calendar cal= Calendar.getInstance();
		cal.setTimeInMillis(System.currentTimeMillis());
		cal.add(Calendar.SECOND,1);
		alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(),1000,createClockIntent(context));  //Get new time every second
	}
	
	@Override
	public void onUpdate(Context context, AppWidgetManager appWidgetManager,
			int[] appWidgetIds) {
		// TODO Auto-generated method stub
		super.onUpdate(context, appWidgetManager, appWidgetIds);
 
		PowerManager pm= (PowerManager)context.getSystemService(Context.POWER_SERVICE);	// Keep the CPU on during update
		PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, LOG_TAG);
		wl.acquire();
		for(int i=0;i<appWidgetIds.length;i++){
 
			int id=appWidgetIds[i];
 
			Intent intent = new Intent(AlarmClock.ACTION_SET_ALARM); 
				    
			PendingIntent pending = PendingIntent.getActivity(context, 0, intent, 0);
 
			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.activity_main);
			views.setOnClickPendingIntent(R.id.textView1, pending);	// send pending intent to textview1
			views.setOnClickPendingIntent(R.id.textView2, pending);	// send pending intent to textview2
			updatetime(context, appWidgetManager, id);
			appWidgetManager.updateAppWidget(id, views);
 
		}
		wl.release();
	}
 
 
	private static void updatetime(Context context, AppWidgetManager appwidgetManager, int id){
		
		String curTime = df.format(new java.util.Date());
		Date d= new Date();
	 
		Calendar c= Calendar.getInstance();
		c.setTime(d);
		String monthName = new SimpleDateFormat("MMMM").format(c.getTime());
		
		@SuppressWarnings("deprecation")
		String date= String.valueOf(d.getDate())+" "+ monthName + " "+ String.valueOf(d.getYear()+1900);
		
		RemoteViews views = new RemoteViews(context.getPackageName(),R.layout.activity_main);
		views.setTextViewText(R.id.textView1, curTime);
		views.setTextViewText(R.id.textView2, date);
		
		appwidgetManager.updateAppWidget(id, views);
	}
 
}