AlarmManager与NotificationManager

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1.AlarmManager实现闹钟

<?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"    tools:context="com.zking.alarm_notification.MainActivity">    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="响一次的闹钟"        android:onClick="once"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="周期闹钟"        android:onClick="week"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="取消周期闹钟"        android:onClick="reset"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="通知"        android:onClick="send"/></LinearLayout>

<?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"    tools:context="com.zking.alarm_notification.RingActivity">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="懒猪起床了"/>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="stop"        android:text="停止"/></LinearLayout>

package com.zking.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;public class MainActivity extends AppCompatActivity {    private AlarmManager alarmManager;    private PendingIntent pendingIntent;    private NotificationManager notificationManager;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);    }    public void once(View view){        //当前系统时间        Calendar calendar=Calendar.getInstance();        int hour=calendar.get(Calendar.HOUR_OF_DAY);        int min=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) {                //获取选中的时间                Calendar c=Calendar.getInstance();                c.set(Calendar.HOUR_OF_DAY,hourOfDay,hourOfDay);                c.set(Calendar.MINUTE,minute,minute);                //获取时间                PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0x101,new Intent("com.zking.alarm_notification.alarm"),0);                alarmManager.set(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),pendingIntent);            }        },hour,min,true);        //展现对话框        timePickerDialog.show();    }    public void week(View view){        //当前系统时间        Calendar calendar=Calendar.getInstance();        int hour=calendar.get(Calendar.HOUR_OF_DAY);        int min=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) {                //获取选中的时间                Calendar c=Calendar.getInstance();                c.set(Calendar.HOUR_OF_DAY,hourOfDay,hourOfDay);                c.set(Calendar.MINUTE,minute,minute);                //获取时间                pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x102,new Intent("com.zking.alarm_notification.alarm"),0);                alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),5000, pendingIntent);            }        },hour,min,true);        //展现对话框        timePickerDialog.show();    }    //取消周期闹钟    public void reset(View view){        alarmManager.cancel(pendingIntent);    }    public void send(View view){        //获取通知管理器        notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);        //实例化通知        NotificationCompat.Builder builder=new NotificationCompat.Builder(this);        builder.setContentTitle("提示:");        builder.setContentText("激活");        builder.setDefaults(Notification.DEFAULT_ALL);        builder.setSmallIcon(android.R.drawable.star_on);        Notification  notification=builder.build();        notificationManager.notify(0x103,notification);    }}

package com.zking.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 0023. */public class AlarmReceiver extends BroadcastReceiver{    @Override    public void onReceive(Context context, Intent intent) {        if("com.zking.alarm_notification.alarm".equals(intent.getAction())){            Log.i("test","闹钟响了");            //跳转            Intent intent2=new Intent(context,RingActivity.class);            intent2.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            context.startActivity(intent2);        }    }}

package com.zking.alarm_notification;import android.media.MediaPlayer;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;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);        //播放        Log.i("test","播放音乐了");        mediaPlayer = MediaPlayer.create(this, R.raw.s1);        mediaPlayer.start();    }    public void stop(View view){        mediaPlayer.stop();    }}

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"          package="com.zking.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>        <receiver android:name=".AlarmReceiver"            android:exported="true"            android:enabled="true">            <intent-filter>                <action android:name="com.zking.alarm_notification.alarm"></action>            </intent-filter>        </receiver>    </application></manifest>

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