Android桌面小部件实例 桌面小时钟

Android桌面小部件实例 桌面小时钟 AppWidegetProvider

/**   * Android桌面小部件实例 桌面小时钟   */  public class EX04_28 extends AppWidgetProvider {               @Override          public void onUpdate(Context context, AppWidgetManager appWidgetManager,                           int[] appWidgetIds) {                   // TODO Auto-generated method stub                       /* 新起UpdateService的Intent */                   Intent intent = new Intent(context, UpdateService.class);                   context.startService(intent);                       super.onUpdate(context, appWidgetManager, appWidgetIds);           }               public static class UpdateService extends Service {                       @Override                   public IBinder onBind(Intent arg0) {                           // TODO Auto-generated method stub                           return null;                   }                       @Override                   public void onStart(Intent intent, int startId) {                           super.onStart(intent, startId);                           /* 取得Widget的View */                           RemoteViews updateViews = new RemoteViews(this.getPackageName(),                                           R.layout.main);                           /* 格式化时间hh:mm占表时跟分 */                           SimpleDateFormat sdf = new SimpleDateFormat("hh:mm");                           /* 将时间放置TextView */                           updateViews.setTextViewText(R.id.TextView01,                                           "" + sdf.format(new Date()));                               /* 更新widget */                          ComponentName thisWidget = new ComponentName(this, EX04_28.class);                           AppWidgetManager manager = AppWidgetManager.getInstance(this);                           manager.updateAppWidget(thisWidget, updateViews);                       }           }       }

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