闹钟与闹钟通知栏

2019-11-08 00:34:49

字体：大中小

来源：转载

供稿：网友

这里写图片描述 “`

通知栏Activity<?xml version="1.0" encoding="utf-8"?><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><?xml version="1.0" encoding="utf-8"?><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" 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="match_parent" android:layout_height="wrap_content" android:text="取消周期闹钟" android:onClick="cancelAlarmCycle" /></LinearLayout>MainActivitypackage 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); }}RingActivitypackage 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(); }}RingReceivedpackage 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); } }}AndroidManifest.xml<?xml version="1.0" encoding="utf-8"?><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>`这里写代码片`在raw文件放自己所需要的音乐`这里写代码片`

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