android闹钟AlarmManager

package org.lxh.demo; import java.util.Calendar; import android.app.Activity; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.TimePicker; import android.widget.TimePicker.OnTimeChangedListener; import android.widget.Toast; public class MyAlarmManagerDemo extends Activity { private AlarmManager alarm = null; // 闹钟服务 private Button set = null; private Button delete = null; private TextView msg = null; private TimePicker time = null; private int hourOfDay = 0 ; private int minute = 0; private Calendar calendar = Calendar.getInstance() ; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.setContentView(R.layout.main); this.set = (Button) super.findViewById(R.id.set); this.delete = (Button) super.findViewById(R.id.delete); this.msg = (TextView) super.findViewById(R.id.msg); this.time = (TimePicker) super.findViewById(R.id.time); this.alarm = (AlarmManager) super.getSystemService(Context.ALARM_SERVICE) ; this.set.setOnClickListener(new SetOnClickListener()) ; this.delete.setOnClickListener(new DeleteOnClickListener()) ; this.time.setIs24HourView(true) ; this.time.setOnTimeChangedListener(new OnTimeChangedListenerImpl()) ; } private class OnTimeChangedListenerImpl implements OnTimeChangedListener{ @Override public void onTimeChanged(TimePicker view, int hourOfDay, int minute) { MyAlarmManagerDemo.this.calendar.setTimeInMillis(System.currentTimeMillis()) ; MyAlarmManagerDemo.this.calendar.set(Calendar.HOUR_OF_DAY, hourOfDay) ; MyAlarmManagerDemo.this.calendar.set(Calendar.MINUTE, minute) ; MyAlarmManagerDemo.this.calendar.set(Calendar.SECOND, 0) ; MyAlarmManagerDemo.this.calendar.set(Calendar.MILLISECOND, 0) ; MyAlarmManagerDemo.this.hourOfDay = hourOfDay ; MyAlarmManagerDemo.this.minute = minute ; } } private class SetOnClickListener implements OnClickListener{ @Override public void onClick(View v) { Intent intent = new Intent(MyAlarmManagerDemo.this, MyAlarmReceiver.class); intent.setAction("org.lxh.action.setalarm") ; PendingIntent sender = PendingIntent.getBroadcast( MyAlarmManagerDemo.this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); MyAlarmManagerDemo.this.alarm.set(AlarmManager.RTC_WAKEUP, MyAlarmManagerDemo.this.calendar.getTimeInMillis(), sender); MyAlarmManagerDemo.this.msg.setText("闹钟响起的时间是：" + MyAlarmManagerDemo.this.hourOfDay + "时" + MyAlarmManagerDemo.this.minute + "分。"); Toast.makeText(MyAlarmManagerDemo.this, "闹钟设置成功！", Toast.LENGTH_LONG).show(); } } private class DeleteOnClickListener implements OnClickListener{ @Override public void onClick(View v) { if (MyAlarmManagerDemo.this.alarm != null) { Intent intent = new Intent(MyAlarmManagerDemo.this, MyAlarmReceiver.class); intent.setAction("org.lxh.action.setalarm") ; PendingIntent sender = PendingIntent.getBroadcast( MyAlarmManagerDemo.this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); MyAlarmManagerDemo.this.alarm.cancel(sender) ; // 取消 MyAlarmManagerDemo.this.msg.setText("当前没有设置闹钟。") ; Toast.makeText(MyAlarmManagerDemo.this, "闹钟删除成功！", Toast.LENGTH_LONG).show(); } } } }