Android-闹钟（单次闹钟and周期性闹钟）

activity_main.xml：

activity_ring.xml：

MainActivity:

package com.example.android_alarmandnotification;

import android.app.AlarmManager;
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.view.View;
import android.widget.TimePicker;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
    private AlarmManager alarmManager;
    private PendingIntent pendingIntent;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取闹钟管理者
        alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    }
    public void openAlarm(View view){
        //获得当前系统时间
        Calendar calendar=Calendar.getInstance();
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int minute=calendar.get(Calendar.MINUTE);
        //弹出时间对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Calendar calendar1=Calendar.getInstance();
                calendar1.set(Calendar.HOUR_OF_DAY,hourOfDay);
                calendar1.set(Calendar.MINUTE,minute);
                Intent intent=new Intent();
                intent.setAction("com.example.android_alarmandnotification");
                //将来时态的跳转
                PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
                //设置闹钟
                alarmManager.set(AlarmManager.RTC_WAKEUP,calendar1.getTimeInMillis(),pendingIntent);
                //时间一到就发广播
                //广播接受者中，（跳转activity）
                //在Activity中播放音乐
            }
        },hour,minute,true);
        timePickerDialog.show();
    }
    //周期性闹钟
    public void openAlarmCycle(View view){
        //获得当前系统时间
        Calendar calendar=Calendar.getInstance();
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int minute=calendar.get(Calendar.MINUTE);
        //弹出时间对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Calendar calendar1=Calendar.getInstance();
                calendar1.set(Calendar.HOUR_OF_DAY,hourOfDay);
                calendar1.set(Calendar.MINUTE,minute);
                Intent intent=new Intent();
                intent.setAction("com.example.android_alarmandnotification");
                //将来时态的跳转
                pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
                //设置闹钟
                alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,calendar1.getTimeInMillis(),5000, pendingIntent);
                //时间一到就发广播
                //广播接受者中，（跳转activity）
                //在Activity中播放音乐
            }
        },hour,minute,true);
        timePickerDialog.show();
    }
    public void CancleCycle(View view){
         alarmManager.cancel(pendingIntent);
    }
    }

Ringactivity:

package com.example.android_alarmandnotification;

import android.app.AlarmManager;
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.view.View;
import android.widget.TimePicker;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
    private AlarmManager alarmManager;
    private PendingIntent pendingIntent;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取闹钟管理者
        alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    }
    public void openAlarm(View view){
        //获得当前系统时间
        Calendar calendar=Calendar.getInstance();
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int minute=calendar.get(Calendar.MINUTE);
        //弹出时间对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Calendar calendar1=Calendar.getInstance();
                calendar1.set(Calendar.HOUR_OF_DAY,hourOfDay);
                calendar1.set(Calendar.MINUTE,minute);
                Intent intent=new Intent();
                intent.setAction("com.example.android_alarmandnotification");
                //将来时态的跳转
                PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
                //设置闹钟
                alarmManager.set(AlarmManager.RTC_WAKEUP,calendar1.getTimeInMillis(),pendingIntent);
                //时间一到就发广播
                //广播接受者中，（跳转activity）
                //在Activity中播放音乐
            }
        },hour,minute,true);
        timePickerDialog.show();
    }
//周期性闹钟
    public void openAlarmCycle(View view){
        //获得当前系统时间
        Calendar calendar=Calendar.getInstance();
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int minute=calendar.get(Calendar.MINUTE);
        //弹出时间对话框
        TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Calendar calendar1=Calendar.getInstance();
                calendar1.set(Calendar.HOUR_OF_DAY,hourOfDay);
                calendar1.set(Calendar.MINUTE,minute);
                Intent intent=new Intent();
                intent.setAction("com.example.android_alarmandnotification");
                //将来时态的跳转
                pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
                //设置闹钟
               // alarmManager.set(AlarmManager.RTC_WAKEUP,calendar1.getTimeInMillis(),pendingIntent);
                alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,calendar1.getTimeInMillis(),5000, pendingIntent);
                //时间一到就发广播
                //广播接受者中，（跳转activity）
                //在Activity中播放音乐
            }
        },hour,minute,true);
        timePickerDialog.show();
    }
    public void CancleCycle(View view){
         alarmManager.cancel(pendingIntent);
    }
    }

RingReceived:

package com.example.android_alarmandnotification;

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

/**
 * Created by Administrator on 2017/2/14.
 */

public class RingReceived extends BroadcastReceiver{
    @Override
    public void onReceive(Context context, Intent intent) {
        if ("com.example.android_alarmandnotification".equals(intent.getAction())){
            Log.i("test","闹钟响了");
            //跳转到Activity
            Intent intent1=new Intent(context,RingActivity.class);
            intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(intent1);
        }
    }
}

配置文件：

    
        
            
                
                
            
        
        
        
            
                   `1