闹钟功能和消息栏通知功能

今天实现一个具有闹钟功能的消息栏通知，即定时向消息栏推送通知，用户下拉通知栏列表，点击通知后，跳转到指定界面，效果图如下:

收到通知界面:

实现过程如下:

（1）闹钟主界面:

package com.example.alarmmanagerdemo;

import java.util.Calendar;
import java.util.TimeZone;

import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.Toast;

/**
 * 
 * @ClassName: MainActivity  
 * @Description: 主界面
 * @author HuHood
 * @date 2013-11-25 下午4:01:19  
 *
 */
public class MainActivity extends Activity {

	private static final String TAG = MainActivity.class.getSimpleName();
	
	private TimePicker mTimePicker;
	private Button mButton1;
	private Button mButton2;
	private Button mButtonCancel;

	private int mHour = -1;
	private int mMinute = -1;

	public static final long DAY = 1000L * 60 * 60 * 24;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// 获取当前时间
		Calendar calendar = Calendar.getInstance();
		calendar.setTimeZone(TimeZone.getTimeZone("GMT+8"));
		if(mHour == -1 && mMinute == -1) {
			mHour = calendar.get(Calendar.HOUR_OF_DAY);
			mMinute = calendar.get(Calendar.MINUTE);
		}

		/**
		 * 时间日期控件
		 */
		mTimePicker = (TimePicker)findViewById(R.id.timePicker);
		mTimePicker.setCurrentHour(mHour);
		mTimePicker.setCurrentMinute(mMinute);
		mTimePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
			
			@Override
			public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
				
				mHour = hourOfDay;
				mMinute = minute;
			}
		});


		/**
		 * 设置简单闹铃(当前时间的10S后就闹)
		 */
		mButton1 = (Button)findViewById(R.id.normal_button);
		mButton1.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {

				Intent intent = new Intent(MainActivity.this, AlarmReceiver.class);
				intent.setAction(Constants.ALARM_ACTION);//指定一下广播类型
				PendingIntent sender = PendingIntent.getBroadcast(MainActivity.this, 0, intent, 0);

				// 过10s 执行这个闹铃
				Calendar calendar = Calendar.getInstance();
			 	calendar.setTimeInMillis(System.currentTimeMillis());
			 	calendar.setTimeZone(TimeZone.getTimeZone("GMT+8"));
				calendar.add(Calendar.SECOND, 10);//当前时间加10s

				// 进行闹铃注册
				AlarmManager manager = (AlarmManager)getSystemService(ALARM_SERVICE);
				manager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender);
				
				Toast.makeText(MainActivity.this, "设置简单闹铃成功，10秒后闹铃!", Toast.LENGTH_LONG).show();
			}
		});
		
		/**
		 * 设置重复闹铃(指定时间重复闹)
		 */
		mButton2 = (Button)findViewById(R.id.repeating_button);
		mButton2.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {

				Intent intent = new Intent(MainActivity.this, AlarmReceiver.class);
				intent.setAction(Constants.ALARM_ACTION);//指定一下广播类型
				PendingIntent sender = PendingIntent.getBroadcast(MainActivity.this, 0, intent, 0);

	            long firstTime = SystemClock.elapsedRealtime();	// 开机之后到现在的运行时间(包括睡眠时间)
	            long systemTime = System.currentTimeMillis();

	            Calendar calendar = Calendar.getInstance();
			 	calendar.setTimeInMillis(System.currentTimeMillis());
			 	calendar.setTimeZone(TimeZone.getTimeZone("GMT+8")); // 这里时区需要设置一下，不然会有8个小时的时间差
			 	calendar.set(Calendar.MINUTE, mMinute);
			 	calendar.set(Calendar.HOUR_OF_DAY, mHour);
			 	calendar.set(Calendar.SECOND, 0);
			 	calendar.set(Calendar.MILLISECOND, 0);

			 	// 选择的每天定时时间
			 	long selectTime = calendar.getTimeInMillis();	

			 	// 如果当前时间大于设置的时间，那么就从第二天的设定时间开始
			 	if(systemTime > selectTime) {
			 		Toast.makeText(MainActivity.this, "设置的时间小于当前时间", Toast.LENGTH_SHORT).show();
			 		calendar.add(Calendar.DAY_OF_MONTH, 1);
			 		selectTime = calendar.getTimeInMillis();
			 	}

			 	// 计算现在时间到设定时间的时间差
			 	long time = selectTime - systemTime;
		 		firstTime += time;

	            // 进行闹铃注册
	            AlarmManager manager = (AlarmManager)getSystemService(ALARM_SERVICE);
	            manager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
	                            firstTime, 10*1000, sender);

	            Log.i(TAG, "time ==== " + time + ", selectTime ===== "
            			+ selectTime + ", systemTime ==== " + systemTime + ", firstTime === " + firstTime);

	            Toast.makeText(MainActivity.this, "设置重复闹铃成功，每天定时闹铃! ", Toast.LENGTH_LONG).show();
			}
		});

		
		/**
		 * 取消闹铃
		 */
		mButtonCancel = (Button)findViewById(R.id.cancel_button);
		mButtonCancel.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				
				Intent intent = new Intent(MainActivity.this, AlarmReceiver.class);
	            PendingIntent sender = PendingIntent.getBroadcast(MainActivity.this,
	                    0, intent, 0);
	            
	            // 取消闹铃
	            AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
	            am.cancel(sender);
			}
		});
	}


}

（2）广播接收器:

package com.example.alarmmanagerdemo;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;

/**
 * 
 * @ClassName: AlarmReceiver  
 * @Description: 闹铃时间到了会进入这个广播，这个时候可以做一些该做的业务。
 * @author HuHood
 * @date 2013-11-25 下午4:44:30  
 *
 */
public class AlarmReceiver extends BroadcastReceiver {
	
	private String TAG = getClass().getName();
 
	/**
	 * 是具体的状态栏通知对象，可以设置icon、文字、提示声音、振动等等参数。
	 */
    private Notification notification;
    
    /**
     * 状态栏通知的管理类，负责发通知、清楚通知等,是一个系统Service，必须通过 getSystemService()方法来获取。
     */
    private NotificationManager nmManager;
    
    
    private static final int ID=1;
	
	@Override
    public void onReceive(Context context, Intent intent) {
		
		Toast.makeText(context, "闹铃响了, 可以做点事情了~~", Toast.LENGTH_LONG).show();
		
		String action = intent.getAction();

		Log.d(TAG , "闹铃，action====>" + action);
		
		if(Constants.ALARM_ACTION.equals(action)){//过滤一下广播类型
			
			/**
			 * 这里接收到闹钤事件后，进行如下操作：
			 * 获取到通知管理器然后新建一个通知，然后发送这个通知！
			 * 
			 * (可以在百度上搜索“状态栏通知Notification、NotificationManager详解”解读更多内容)
			 * 
			 * 用户也可以根据需要自行定义操作的事件
			 */
			
			nmManager = (NotificationManager)context.getSystemService(context.NOTIFICATION_SERVICE);
	        
	        
	        /**
	         * Notification notification = new Notificatio(drawable,tickerText,System.currentTimeMillis());
	         * 
	         * 其中第一个参数代表图标
	         * 第二个参数代表提示的内容
	         * 第三个参数是指要显示的时间，一般是当即显示，故填入系统当前时间。
	         */
	        String tickerText ="Test Notification";
	        
	        notification = new Notification(R.drawable.chicken,tickerText,System.currentTimeMillis());
	 
	        /**
	         * 设定声音 ，使用系统的消息通知声音
	         */
	        notification.defaults |= Notification.DEFAULT_SOUND;  
	        
	        Intent temp = new Intent(context,SecondActivity.class);
	        PendingIntent pi = PendingIntent.getActivity(context, 0, temp, 0);
	        notification.setLatestEventInfo(context, "通知栏title", "通知栏content", pi);
	        
	        
	        nmManager.notify(ID,notification);
		}
    }

}

（3）点击通知后跳转的测试界面:

package com.example.alarmmanagerdemo;

import android.app.Activity;
import android.os.Bundle;

public class SecondActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_second);
	}
}

（4）常量类:

package com.example.alarmmanagerdemo;

/**
 * 常量
 * 
 * @author chenwenbiao
 * @date 2014-6-12 下午1:19:23
 * @version V1.0
 */
public class Constants {

	public static final String ALARM_ACTION = "com.example.alarmmanagerdemo.alarmAction";
	
}

(5) 布局文件activity_main.xml:

<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: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" >

    <TimePicker android:id="@+id/timePicker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
         />

    <Button android:id="@+id/normal_button"
        android:layout_marginTop="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/timePicker"
        android:text="设置简单闹铃" />

    <Button android:id="@+id/repeating_button"
        android:layout_marginTop="20dp"
        android:layout_marginLeft="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/timePicker"
        android:layout_toRightOf="@id/normal_button"
        android:text="设置重复闹铃" />

    <Button android:id="@+id/cancel_button"
        android:layout_marginTop="20dp"
        android:layout_marginLeft="-50dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/repeating_button"
        android:layout_toRightOf="@id/normal_button"
        android:text="取消闹铃" />

</RelativeLayout>

(6) 测试界面布局activity_second.xml

<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: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:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="点击通知栏跳转过来的界面" />

</RelativeLayout>

(7) AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.alarmmanagerdemo"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.alarmmanagerdemo.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
        <!-- 广播接收器 -->
        <receiver android:name="com.example.alarmmanagerdemo.AlarmReceiver" android:process=":remote"/>
            
        
        <activity
            android:name="com.example.alarmmanagerdemo.SecondActivity"
            android:screenOrientation="portrait" />
        
    </application>

</manifest>

 参考如下文章进行修改的:

android 每天定时提醒功能实现