Android程序意外Crash后自动重启

public class UnCeHandler implements UncaughtExceptionHandler {

private Thread.UncaughtExceptionHandler mDefaultHandler;
public final String TAG = "CatchExcep";
CatchExcApplication application;

public UnCeHandler(CatchExcApplication application) {
// 获取系统默认的UncaughtException处理器
mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
this.application = application;
}

@Override
public void uncaughtException(Thread thread, Throwable ex) {
if (!handleException(ex) && mDefaultHandler != null) {
// 如果用户没有处理则让系统默认的异常处理器来处理
mDefaultHandler.uncaughtException(thread, ex);
} else {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
Log.e(TAG, "error : ", e);
}
Intent intent = new Intent(application.getApplicationContext(),MainActivity.class);
PendingIntent restartIntent = PendingIntent.getActivity(
application.getApplicationContext(), 0, intent,
Intent.FLAG_ACTIVITY_NEW_TASK);
// 退出程序
AlarmManager mgr = (AlarmManager) application.getSystemService(Context.ALARM_SERVICE);
mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 1000,restartIntent); // 1秒钟后重启应用
application.finishActivity();
}
}

/**
* 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
*
* @param ex
* @return true:如果处理了该异常信息;否则返回false.
*/
private boolean handleException(Throwable ex) {
if (ex == null) {
return false;
}
// 使用Toast来显示异常信息
new Thread() {
@Override
public void run() {
Looper.prepare();
Toast.makeText(application.getApplicationContext(),"很抱歉,程序出现异常,即将退出.", Toast.LENGTH_SHORT).show();
Looper.loop();
}
}.start();
return true;
}

public class CatchExcApplication extends Application {

ArrayList<Activity> list = new ArrayList<Activity>();

public CatchExcApplication()
{
//设置该CrashHandler为程序的默认处理器
Thread.setDefaultUncaughtExceptionHandler(new UnCeHandler(this));
}

/**
* Activity关闭时，删除Activity列表中的Activity对象*/
public void removeActivity(Activity a){
list.remove(a);
}

/**
* 向Activity列表中添加Activity对象*/
public void addActivity(Activity a){
list.add(a);
}

/**
* 关闭Activity列表中的所有Activity*/
public void finishActivity(){
for (Activity activity : list) {
if (null != activity) {
activity.finish();
}
}
//杀死该应用进程
android.os.Process.killProcess(android.os.Process.myPid());
}
}

<application
android:name="com.hht.restartdemo.CatchExcApplication"
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.hht.restartdemo.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>