这是好久以前的代码了，给贴出来。当时拿到defy不久。网上找自动开机啊，或者关机闹钟啊之类的都一个答案。没有。想想自己的电脑，没有自动关机的吧，关机了啥软件也不能运行了。但仔细想，每次开机，手机能定位正确的时间，肯定还是有个啥在运行的，不过要想利用它，估计够呛。不过有定时运行各种软件等。然后好多人建议飞行模式跟关机相比，是最接近的了，就切换飞行模式吧。网上也有相应的软件，不过挂了广告，显然不爽。然后想着自己就写一个，参照了网上各种资源，代码如下。AirPlaneModeActivity 类主要用于获取用户定义的时间，告诉系统。另一个类(二)中会有。
package com.i3zhai;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.provider.Settings.System;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.TimePicker;
import android.widget.Toast;
public class AirPlaneModeActivity extends Activity
{
static final String TAG = "tl3shi";
private static final String ALARM_ACTION_START = "com.i3zhai.ALARM_ACTION_START";
private static final String ALARM_ACTION_END = "com.i3zhai.ALARM_ACTION_END";
private Calendar calendar;
RadioButton startBtn;
RadioButton stopBtn;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
calendar = Calendar.getInstance();
final Button startTimeBtn = (Button) findViewById(R.id.startTimeBtn);
startTimeBtn.setOnClickListener(new TimeButtonClickListener(
startTimeBtn, true));
final Button endTimeBtn = (Button) findViewById(R.id.endTimeBtn);
endTimeBtn.setOnClickListener(new TimeButtonClickListener(endTimeBtn,
false));
// 根据之前的设置，恢复开始时间和结束时间
SharedPreferences preferences = getSharedPreferences(
"TimerAirPlaneMode", MODE_PRIVATE);
int sh = preferences.getInt("startHour", -1);
int sm = preferences.getInt("startMinute", -1);
int eh = preferences.getInt("endHour", -1);
int em = preferences.getInt("endMinute", -1);
if (sh != -1 && sm != -1)
{
startTimeBtn.setText(formatTime(sh, sm));
}
if (eh != -1 && em != -1)
{
endTimeBtn.setText(formatTime(eh, em));
}
startBtn = (RadioButton) findViewById(R.id.start);
startBtn.setOnClickListener(new ControlButtonClickListener(true));
stopBtn = (RadioButton) findViewById(R.id.stop);
stopBtn.setOnClickListener(new ControlButtonClickListener(false));
}
class ControlButtonClickListener implements RadioButton.OnClickListener
{
private boolean flag;
public ControlButtonClickListener(boolean flag)
{
this.flag = flag;
}
@Override
public void onClick(View arg0)
{
//已经选择了
if(startBtn.isChecked()){
startBtn.setEnabled(false);
stopBtn.setEnabled(true);
}
if(stopBtn.isChecked()){
stopBtn.setEnabled(false);
startBtn.setEnabled(true);
}
if (flag)
{
Log.d(AirPlaneModeActivity.TAG, "start the auto fly mode");
SharedPreferences preferences = getSharedPreferences(
"AirPlaneModeActivity", MODE_PRIVATE);
int sh = preferences.getInt("startHour", -1);
int sm = preferences.getInt("startMinute", -1);
if (sh == -1 || sm == -1)
{
Toast.makeText(AirPlaneModeActivity.this, "请设置开始时间",
Toast.LENGTH_LONG);
return;
}
int eh = preferences.getInt("endHour", -1);
int em = preferences.getInt("endMinute", -1);
if (eh == -1 || em == -1)
{
Toast.makeText(AirPlaneModeActivity.this, "请设置结束时间",
Toast.LENGTH_LONG);
return;
}
// 设置日历的时间，主要是让日历的年月日和当前同步
calendar.setTimeInMillis(java.lang.System.currentTimeMillis());
// 设置日历的小时和分钟
calendar.set(Calendar.HOUR_OF_DAY, sh);
calendar.set(Calendar.MINUTE, sm);
// 将秒和毫秒设置为0
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
// 建立Intent和PendingIntent来调用闹钟管理器
Intent startIntent = new Intent(ALARM_ACTION_START);
startIntent.putExtra("startState", 1);
PendingIntent startPendingIntent = PendingIntent.getBroadcast(
AirPlaneModeActivity.this, 0, startIntent, 0);
// 获取闹钟管理器
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
// 设置开始时间对应的闹钟
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar
.getTimeInMillis(), 24 * 60 * 60 * 1000,
startPendingIntent);
// 设置结束时间对应的闹钟
// 设置日历的小时和分钟
Intent endIntent = new Intent(ALARM_ACTION_END);
endIntent.putExtra("endState", 1);
PendingIntent endPendingIntent = PendingIntent.getBroadcast(
AirPlaneModeActivity.this, 1, endIntent, 0);
calendar.set(Calendar.HOUR_OF_DAY, eh);
calendar.set(Calendar.MINUTE, em);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar
.getTimeInMillis(), 24 * 60 * 60 * 1000,
endPendingIntent);
Toast.makeText(AirPlaneModeActivity.this, "设置已经启用", Toast.LENGTH_LONG).show();
} else
{
Log.d(AirPlaneModeActivity.TAG, "shutdown the auto flg mode");
Intent intent = new Intent(ALARM_ACTION_START);
PendingIntent pendingIntent = PendingIntent.getBroadcast(
AirPlaneModeActivity.this, 0, intent, 0);
// 获取闹钟管理器
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
// 取消开始和结束闹钟
alarmManager.cancel(pendingIntent);
Intent intent2 = new Intent(ALARM_ACTION_END);
PendingIntent pendingIntent2 = PendingIntent.getBroadcast(
AirPlaneModeActivity.this, 1, intent2, 0);
alarmManager.cancel(pendingIntent2);
// 关闭飞行模式
System.putString(getContentResolver(), System.AIRPLANE_MODE_ON,
"0");
Intent flyIntent = new Intent(
Intent.ACTION_AIRPLANE_MODE_CHANGED);
flyIntent.putExtra("state", false);
sendBroadcast(flyIntent);
Toast.makeText(AirPlaneModeActivity.this, "设置已经取消！",
Toast.LENGTH_SHORT).show();
}
}
}
class TimeButtonClickListener implements Button.OnClickListener
{
private final Button button;
private boolean flag;// true 表示开始时间 false表示结束时间
public TimeButtonClickListener(final Button button, boolean flag)
{
this.button = button;
this.flag = flag;
}
@Override
public void onClick(View arg0)
{
new TimePickerDialog(AirPlaneModeActivity.this,
new TimePickerDialog.OnTimeSetListener()
{
@Override
public void onTimeSet(TimePicker arg0, int h, int m)
{
Log.d(TAG, "set the time:" + h + ":" + m);
SharedPreferences preferences = getSharedPreferences(
"AirPlaneModeActivity", 0);
SharedPreferences.Editor editor = preferences
.edit();
editor.putInt("flag", flag ? 1 : 0);
if (flag)
{
editor.putInt("startHour", h);
editor.putInt("startMinute", m);
} else
{
editor.putInt("endHour", h);
editor.putInt("endMinute", m);
}
editor.commit();// 这步很关键
// button.setText(String.valueOf(h)+":"+String.valueOf(m));
button.setText(formatTime(h, m));
}
}, calendar.get(Calendar.HOUR_OF_DAY), calendar
.get(Calendar.MINUTE), true).show();
}
}
/**
* 格式化时间为00:00
* @param h
* @param m
* @return
*/
public String formatTime(int h, int m)
{
StringBuffer buf = new StringBuffer();
if (h < 10)
{
buf.append("0" + h);
} else
{
buf.append(h);
}
buf.append(" : ");
if (m < 10)
{
buf.append("0" + m);
} else
{
buf.append(m);
}
return buf.toString();
}
}
