AlarmManager闹钟管理者
activity_main.xml这个里面写了LinearLayout布局中有一个Button点击的方法
java代码:
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);
//弹出对话框1
timePickerDialog = new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker, int i, int i1) {
//取到系统的时 分
Calendar c=Calendar.getInstance();
c.set(Calendar.HOUR_OF_DAY,i);
c.set(Calendar.MINUTE,i1);
//2 确定好选择的时间
//3 设置闹钟
//4 当时间一到,将执行的响应
Intent intent=new Intent();
intent.setAction("com.android_28_alarm.RING.");
pendingIntent = PendingIntent.getBroadcast(MainActivity.this,0x101,intent,0);
alarmManager.set(AlarmManager.RTC_WAKEUP,c.getTimeInMillis(), pendingIntent);
}
},hour,minute,true);
timePickerDialog.show();
}
写了一个类继承BroadcastReceiver(广播)重写的一个方法,里面加了一个判断如下:
if("com.android_28_alarm.RING".equals(intent.getAction())){
Log.i("test","收到广播了");
//跳转到Activity 响铃的界面
//在广播中跳转activty要这样跳转才行
Intent intent1=new Intent(context,RingActivity.class);
//给Intent设置标志位Flag
intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//Intent的组成部分:ComponementName extra Action Data Categlay(分组) Flag
context.startActivity(intent1);
}
要在清单文件配置下广播:
<receiver android:name=".RingReceived">
<intent-filter>
<action android:name="zking.com.android_28_alarm.RING"></action>
</intent-filter>
</receiver>