这个应用实现了简单的闹钟功能,关闭程序的状态中也可以进行闹钟的提醒。
这里遗留了一个问题:
如果我通过应用本身关闭程序,是可以实现我上述所说的功能,但是如果我在手机进程管理中实现应用程序的关闭操作,这个提醒就不起作用了,我很疑惑的是,我通过应用程序本身关闭了后,在进程中也是查看不到这个应用了的。所以哪位知道的帮留个言指点下,谢谢。
ClockDemo.java
package com.example.clock;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.TimePickerDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
public class ClockDemo extends Activity {
private Button mSet;
Calendar mCalendar = Calendar.getInstance();
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ObjectPool.mAlarmHelper = new AlarmHelper(this);
mSet = (Button) findViewById(R.id.mSet);
setListener();
}
public void setListener() {
mSet.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mCalendar.setTimeInMillis(System.currentTimeMillis());
int mHour = mCalendar.get(Calendar.HOUR_OF_DAY);
int mMinute = mCalendar.get(Calendar.MINUTE);
new TimePickerDialog(ClockDemo.this,
new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view,
int hourOfDay, int minute) {
mCalendar.setTimeInMillis(System
.currentTimeMillis());
mCalendar.set(Calendar.HOUR_OF_DAY, hourOfDay);
mCalendar.set(Calendar.MINUTE, minute);
mCalendar.set(Calendar.SECOND, 0);
mCalendar.set(Calendar.MILLISECOND, 0);
ObjectPool.mAlarmHelper.openAlarm(32, "ddd",
"ffff", mCalendar.getTimeInMillis());
}
}, mHour, mMinute, true).show();
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
showBackDialog();
return true;
}
return super.onKeyDown(keyCode, event);
}
/** Give the tip when exit the application. */
public void showBackDialog() {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("提示")
.setIcon(R.drawable.icon)
.setMessage("是否退出?")
.setPositiveButton("sure",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
System.exit(0);
android.os.Process
.killProcess(android.os.Process.myPid());
dialog.dismiss();
}
})
.setNegativeButton("cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
dialog.dismiss();
}
});
AlertDialog ad = builder.create();
ad.show();
}
}