安卓日历小部件源码（AppWidgetProvider）

【实例简介】

一款关于日历与行程安排的项目源码，点击日期可以转跳到日程新增界面，事件是提前定好的类型，提醒周期很丰富，可以按照周、年、月、日、小时和分钟为周期进行提醒，日历默认会显示一些节假日和纪念日信息。当日期被标记上事件以后会在日期右上角显示一个小红角作为提醒。

【实例截图】

【核心代码】

package com.yarin.android.TodayDate;

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.text.format.Time;
import android.widget.RemoteViews;

public class TodayDateSmall extends AppWidgetProvider
{
	   @Override
	   public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
	      RemoteViews updateView = buildUpdate(context);
	      appWidgetManager.updateAppWidget(appWidgetIds, updateView);
	      super.onUpdate(context, appWidgetManager, appWidgetIds);
	   }
	   
	   private String[] months = {"一月", "二月", "三月", "四月",
               "五月", "六月", "七月", "八月",
               "九月", "十月", "十一月", "十二月"};
	   
	   
	   private RemoteViews buildUpdate(Context context) {
	      RemoteViews updateView = null;
	      Time time = new Time();
	      time.setToNow();
	      String month = months[time.month];
	      updateView = new RemoteViews(context.getPackageName(), R.layout.widget_layout_small);
	      updateView.setTextViewText(R.id.Date, new Integer(time.monthDay).toString());
	      updateView.setTextViewText(R.id.Month, month);
	      Intent launchIntent = new Intent();
	      launchIntent.setComponent(new ComponentName("com.android.calendar", "com.android.calendar.LaunchActivity"));
	      launchIntent.setAction(Intent.ACTION_MAIN);
	      launchIntent.addCategory(Intent.CATEGORY_LAUNCHER);
	      launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
	      PendingIntent intent = PendingIntent.getActivity(context, 0, launchIntent, 0);
	      updateView.setOnClickPendingIntent(R.id.SmallBase, intent);
	      return updateView;
	   }
}