TAAppException.java

/*
 * Copyright (C) 2013  WhiteCat 白猫 (www.thinkandroid.cn)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ta.exception;

import java.lang.Thread.UncaughtExceptionHandler;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Looper;

public class TAAppException implements UncaughtExceptionHandler
{
	public static final String TAG = "CrashHandler";
	private static TAAppException instance;
	private Context mContext;
	private Thread.UncaughtExceptionHandler mDefaultHandler;

	private TAAppException(Context context)
	{
		init(context);
	}

	public static TAAppException getInstance(Context context)
	{
		if (instance == null)
		{
			instance = new TAAppException(context);
		}
		return instance;
	}

	private void init(Context context)
	{
		mContext = context;
		mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
		// Thread.setDefaultUncaughtExceptionHandler(this);
	}

	@Override
	public void uncaughtException(Thread thread, Throwable ex)
	{
		if (!handleException(ex) && mDefaultHandler != null)
		{
			mDefaultHandler.uncaughtException(thread, ex);
		} else
		{
			android.os.Process.killProcess(android.os.Process.myPid());
			System.exit(10);
		}
	}

	/**
	 * 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. 开发者可以根据自己的情况来自定义异常处理逻辑
	 * 
	 * @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 true;
		}
		new Thread()
		{
			@Override
			public void run()
			{
				Looper.prepare();
				new AlertDialog.Builder(mContext).setTitle("提示")
						.setCancelable(false).setMessage("程序崩溃了...")
						.setNeutralButton("我知道了", new OnClickListener()
						{
							@Override
							public void onClick(DialogInterface dialog,
									int which)
							{
								android.os.Process
										.killProcess(android.os.Process.myPid());
								System.exit(10);
							}
						}).create().show();
				Looper.loop();
			}
		}.start();
		return true;
	}
}