Android闹钟-通知

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原创最新推荐文章于 2026-05-21 06:50:23 发布 522 阅读 AI 写同款· GEO 优化 ›

Android 仿闹钟及通知栏的实现一.闹钟的实现这里运用了广播来实现，信息的传递下面是代码 public class MainActivity extends AppCompatActivity { private AlarmManager alarmManager; private PendingIntent pendingIntent; @Override pro 阅读详情

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent"
    android:layout_height="match_parent" 
    android:orientation="vertical">

    <!--一次性闹钟-->
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="设置闹钟（一次）"
        android:onClick="setAlarmOnce"/>
    <!--周期闹钟-->
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="设置闹钟（周期）"
        android:onClick="setAlarmRepeat"/>
    <!--取消周期闹钟-->
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="取消周期闹钟"
        android:onClick="cancelAlarmRepeat"/>
    <!--发送通知-->
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="发送通知"
        android:onClick="send"/>
</LinearLayout>

MainActivity.java

package com.zking.administrator.g160628_android29_alarm_notification;

import android.app.AlarmManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.app.NotificationCompat;
import android.view.View;
import android.widget.TimePicker;

import java.util.Calendar;
/**
 * 定时操作  （定时关闭，游戏活动）
 */
public class MainActivity extends AppCompatActivity {

    private AlarmManager am;
    private PendingIntent pendingIntent;
    private NotificationManager notificationManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取闹钟管理器
        am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        //获取通知管理器
        notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    }
    //一次性闹钟
    public void setAlarmOnce(View view){
       //获取当前系统的时间
        Calendar calendar=Calendar.getInstance();
        //小时
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        //分钟
        int minute=calendar.get(Calendar.MINUTE);
        //1.弹出一个时间的对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override//2.获取到时间(选择的时针hourOfDay和分针minute
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
               //选择的时间
                Calendar c=Calendar.getInstance();
                c.set(Calendar.HOUR_OF_DAY,hourOfDay);
                c.set(Calendar.MINUTE,minute);
                //发送广播
                PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0x101,new Intent("com.zking.administrator.g160628_android29_alarm_notification.RING"),0);
                //3.设置闹钟 (RTC_WAKEUP唤醒屏幕)(getTimeInMillis14.48分的毫秒值)
                am.set(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),pendingIntent);
            }
        },hour,minute,true);
        //弹框
        timePickerDialog.show();
    }

    //周期闹钟
    public void setAlarmRepeat(View view){
        //获取当前系统的时间
        Calendar calendar=Calendar.getInstance();
        //小时
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        //分钟
        int minute=calendar.get(Calendar.MINUTE);
        //1.弹出一个时间的对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {

            @Override//2.获取到时间(选择的时针hourOfDay和分针minute
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                //选择的时间
                Calendar c=Calendar.getInstance();
                c.set(Calendar.HOUR_OF_DAY,hourOfDay);
                c.set(Calendar.MINUTE,minute);
                //发送广播(操作)
                pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x102,new Intent("com.zking.administrator.g160628_android29_alarm_notification.RING"),0);
                //3.设置闹钟 (RTC_WAKEUP唤醒屏幕)(getTimeInMillis14.48分的毫秒值)
                am.setRepeating(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),5000, pendingIntent);
            }
        },hour,minute,true);
        //弹框
        timePickerDialog.show();
    }

    //取消周期闹钟
    public void cancelAlarmRepeat(View view){
        am.cancel(pendingIntent);
    }

    //发送通知
    public void send(View view){
        //实例化通知
        NotificationCompat.Builder builder=new NotificationCompat.Builder(this);
        //标题
        builder.setContentTitle("提示");
        //内容
        builder.setContentText("恭喜您，中奖啦！请先汇款到XXXXX-XXXXX-XXXXXX账号进行激活");
        //图标
        builder.setSmallIcon(android.R.drawable.star_big_off);
        //设置使用默认声音、震动、闪光灯
        builder.setDefaults(NotificationCompat.DEFAULT_ALL);
        Notification notification=builder.build();
//        //设置使用默认声音
//        builder.setDefaults(NotificationCompat.DEFAULT_SOUND);
//        //设置使用默认闪光灯
//        builder.setDefaults(NotificationCompat.DEFAULT_LIGHTS);
//        //设置使用默认震动
//        builder.setDefaults(NotificationCompat.DEFAULT_VIBRATE);
        //发送通知
        notificationManager.notify(0x101,notification);
    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.zking.administrator.g160628_android29_alarm_notification">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".RingActivity"></activity>
        <!--静态注册-->
        <receiver android:name=".RingReceiver"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="com.zking.administrator.g160628_android29_alarm_notification.RING"></action>
            </intent-filter>
        </receiver>
    </application>

</manifest>

activity_ring.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="懒猪，该起床了！！！"
        android:textSize="30sp"
        android:textStyle="italic"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="停止"
        android:onClick="stop"/>
</LinearLayout>
RingReceiver.java
package com.zking.administrator.g160628_android29_alarm_notification;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

/**
 * Created by Administrator on 2017/7/23.
 * 闹钟广播
 */

public class RingReceiver extends BroadcastReceiver{
    @Override
    public void onReceive(Context context, Intent intent) {
        if("com.zking.administrator.g160628_android29_alarm_notification.RING".equals(intent.getAction())){
            Log.i("test","闹钟响了！！！");
            //跳转到Activity中
            Intent intent2=new Intent(context,RingActivity.class);
            intent2.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
            context.startActivity(intent2);
        }
    }
}
RingActivity.java
package com.zking.administrator.g160628_android29_alarm_notification;

import android.media.MediaPlayer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class RingActivity extends AppCompatActivity {

    private MediaPlayer mediaPlayer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ring);
        mediaPlayer = MediaPlayer.create(this, R.raw.s8);
        //播放
        mediaPlayer.start();
    }
    //关闭
    public void stop(View view){
        mediaPlayer.stop();
        finish();

    }
}