CrashHandler.java

package com.juns.wechat;

import java.lang.Thread.UncaughtExceptionHandler;

import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;

/**
 * @author juns create time： 2013-8-13 全局异常处理
 */
public class CrashHandler implements UncaughtExceptionHandler {
	public static final String TAG = "CrashHandler";
	private static CrashHandler INSTANCE = new CrashHandler();
	private Context mContext;
	@SuppressWarnings("unused")
	private Thread.UncaughtExceptionHandler mDefaultHandler;

	private CrashHandler() {
	}

	public static CrashHandler getInstance() {
		return INSTANCE;
	}

	public void init(Context ctx) {
		mContext = ctx;
		mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
		Thread.setDefaultUncaughtExceptionHandler(this);
	}

	@Override
	public void uncaughtException(Thread thread, final Throwable ex) {
		new Thread() {
			@Override
			public void run() {
				AlertDialog.Builder builder = new Builder(App.getInstance());
				builder.setIcon(R.drawable.icon).setTitle(R.string.app_name)
						.setMessage("出了点小意外")
						.setPositiveButton("重新启动", new OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								Intent i = mContext.getPackageManager()
										.getLaunchIntentForPackage(
												mContext.getPackageName());
								i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
								mContext.startActivity(i);
								App.getInstance2().exit();
							}
						}).setNegativeButton("取消", null).show();
			}
		}.start();
	}

	/**
	 * 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
	 */
	@SuppressWarnings("unused")
	private boolean handleException(Throwable ex) {
		if (ex == null) {
			return true;
		}
		return true;
	}
}