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Android简单闹钟程序.docx
Android简单闹钟程序
Android 简单闹钟程序
http://www.android-study.com/yuandaima/279.html
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
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;
?
package com.example.clock;
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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();
}
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public void setListener() {
mSet.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mCalendar.setTimeInMillis(System.cur
rentTimeMillis());
mCalendar.get(Calendar.HOUR_OF_DAY);
int mHour =
int mMinute =
mCalendar.get(Calendar.MINUTE);
new TimePickerDialog(ClockDemo.this,
new
TimePickerDialog.OnTimeSetListener() {
onTimeSet(TimePicker view,
int hourOfDay, int minute) {
endar.setTimeInMillis(System
.currentTimeMillis());
endar.set(Calendar.HOUR_OF_DAY, hourOfDay);
endar.set(Calendar.MINUTE, minute);
endar.set(Calendar.SECOND, 0);
endar.set(Calendar.MILLISECOND, 0);
ctPool.mAlarmHelper.openAlarm(32, "ddd",
public void
mCal
mCal
mCal
mCal
mCal
Obje
"ffff", mCalendar.getTimeInMillis());
}
}, mHour, mMinute,
true).show();
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
showBackDialog();
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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() {
onClick(DialogInterface dialog,
public void
int which) {
em.exit(0);
oid.os.Process
.killProcess(android.os.Process.myPid());
og.dismiss();
}
})
.setNegativeButton("cancel",
new
Syst
andr
dial
DialogInterface.OnClickListener() {
onClick(DialogInterface dialog,
int which) {
og.dismiss();
public void
dial
}
});
AlertDialog ad = builder.create();
ad.show();
}
}
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AlarmHelper.java
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package com.example.clock;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
public class AlarmHelper {
private Context c;
private AlarmManager mAlarmManager;
public AlarmHelper(Context c) {
this.c = c;
mAlarmManager = (AlarmManager) c
.getSystemService(Context.ALARM_SER
VICE);
}
public void openAlarm(int id, String title, String content, long
Intent intent = new Intent();
intent.putExtra("_id", id);
intent.putExtra("title", title);
intent.putExtra("content", content);
intent.setClass(c, CallAlarm.class);
PendingIntent pi = PendingIntent.getBroadcast(c, id,
time) {
intent,
mAlarmManager.set(AlarmManager.RTC_WAKEUP, time,
PendingIntent.FLAG_UPDATE_CURRENT);
pi);
}
public void closeAlarm(int id, String title, String content) {
Intent intent = new Intent();
intent.putExtra("_id", id);
intent.putExtra("title", title);
intent.putExtra("content", content);
intent.setClass(c, CallAlarm.class);
PendingIntent pi = PendingIntent.getBroadcast(c, id,
intent, 0);
}
}
mAlarmManager.cancel(pi);
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CallAlarm.java
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package com.example.clock;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class CallAlarm extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
intent.setClass(context, AlarmAlert.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
AlarmAlert.java
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
public class AlarmAlert extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
new AlertDialog.Builder(AlarmAlert.this)
.setIcon(R.drawable.clock)
.setTitle("ddd")
.setMessage("fff")
.setPositiveButton("ddd",
new
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package com.example.clock;
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int whichButton) {
em.exit(0);
DialogInterface.OnClickListener() {
onClick(DialogInterface dialog,
public void
Syst
andr
oid.os.Process
.killProcess(android.os.Process.myPid());
}
}).show();
}
}
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ObjectPool.java
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public class ObjectPool {
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}
/** The alarm object. */
public static AlarmHelper mAlarmHelper;
main.xml
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