MainActivity .java
package com.example.android28;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
import android.content.Context;
import android.content.Intent;
import android.icu.util.Calendar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TimePicker;
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);
//实例化闹钟管理器
alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
}
public void setAlarmOne(View view){
//获取当前系统的时间
Calendar calendar=Calendar.getInstance();
int hour=calendar.get(Calendar.HOUR_OF_DAY);
int minute=calendar.get(Calendar.MINUTE);
//01.弹出时间对话框(选择时间)
TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet( TimePicker timePicker, int i, int i1) {
//02.确定选择好的时间 i i1
Calendar c=Calendar.getInstance();
c.set(Calendar.HOUR_OF_DAY,i);
c.set(Calendar.MINUTE,i1);
//04.时间一到,执行相对应的操作
Intent intent=new Intent();
intent.setAction("com.example.android28.MainActivity");
PendingIntent pendingIntent=PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
//03.设置闹钟
alarmManager.set(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),pendingIntent);
}
},hour,minute,true);
timePickerDialog.show();
}
public void setAlarmCycle(View view){
//获取当前系统的时间
Calendar calendar=Calendar.getInstance();
int hour=calendar.get(Calendar.HOUR_OF_DAY);
int minute=calendar.get(Calendar.MINUTE);
//01.弹出时间对话框(选择时间)
TimePickerDialog timePickerDialog=new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker, int i, int i1) {
//02.确定选择好的时间 i i1
Calendar c=Calendar.getInstance();
c.set(Calendar.HOUR_OF_DAY,i);
c.set(Calendar.MINUTE,i1);
//04.时间一到,执行相对应的操作
Intent intent=new Intent();
intent.setAction("com.example.android28.MainActivity");
pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x102,intent,0);
//03.设置闹钟(一次)
// alarmManager.set(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),pendingIntent);
//03.设置闹钟(周期)
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(),5000, pendingIntent);
}
},hour,minute,true);
timePickerDialog.show();
}
public void cancelAlarmCycle(View view){
alarmManager.cancel(pendingIntent);
}
}
RingActivity.java
package com.example.android28;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.media.MediaPlayer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.app.NotificationCompat;
import android.view.View;
public class RingActivity extends AppCompatActivity {
private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedIstanceState) {
super.onCreate(savedIstanceState);
setContentView(R.layout.activity_ring);
//播放音乐
mediaPlayer = MediaPlayer.create(this, R.raw.love);
mediaPlayer.start();
//实例化通知管理器
NotificationManager notificationManager=(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
//实例化通知
NotificationCompat.Builder builder=new NotificationCompat.Builder(this);
builder.setDefaults(NotificationCompat.DEFAULT_ALL);
builder.setContentTitle("闹钟响了");
builder.setSmallIcon(android.R.drawable.ic_lock_idle_alarm);
builder.setContentText("准备工作");
Notification notification=builder.build();
//发送通知
notificationManager.notify(0x103,notification);
}
public void stop(View view){
mediaPlayer.stop();
finish();
}
}
RingReceived .java
package com.example.android28;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class RingReceived extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if("com.example.android28.MainActivity".equals(intent.getAction())){
Log.i("test","闹钟响了");
//跳转到Activity
Intent intent1=new Intent(context,RingActivity.class);
//广播跳转到Activity ,必须给Intent设置标志位Flags
//Intent的组成部分6
//Flags Catagroy(分组) Action Data Extra ComponeName(组件名)
intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent1);
}
}
}
activity_main.xml
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
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"
android:orientation="vertical"
android:gravity="center"
tools:context="com.example.android28.MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="设置闹钟(一次)"
android:onClick="setAlarmOne"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="setAlarmCycle"
android:text="设置闹钟(周期)" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消周期闹钟"
android:onClick="cancelAlarmCycle"
/>
LinearLayout>
activity_ring.xml
<LinearLayout 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"
android:orientation="vertical"
tools:context="com.example.android28.MainActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="起床了"
android:textSize="30sp"
/>
<AnalogClock
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/analogClock" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="停止"
android:onClick="stop"
/>
LinearLayout>
权限:
AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android28">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
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=".RingReceived">
<intent-filter>
<action android:name="com.example.android28.MainActivity">action>
intent-filter>
receiver>
application>
manifest>