CrashHandler.java

package com.bosi.chineseclass;


import java.io.File;
import java.io.FileOutputStream;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Environment;

import com.bosi.chineseclass.activitys.ReportErrorActivity;

/**
 * Created by youyou on 2015/6/10.
 */
public class CrashHandler  implements Thread.UncaughtExceptionHandler {
    private Thread.UncaughtExceptionHandler mDefaultHandler;// 系统默认的UncaughtException处理类
    private static CrashHandler INSTANCE;// CrashHandler实例
    private Context mContext;// 程序的Context对象

    /** 保证只有一个CrashHandler实例 */
    private CrashHandler() {

    }

    /** 获取CrashHandler实例 ,单例模式 */
    public static CrashHandler getInstance() {
        if (INSTANCE == null)
            INSTANCE = new CrashHandler();
        return INSTANCE;
    }

    /**
     * 初始化
     *
     * @param context
     */
    public void init(Context context) {
        mContext = context;

        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();// 获取系统默认的UncaughtException处理器
        Thread.setDefaultUncaughtExceptionHandler(this);// 设置该CrashHandler为程序的默认处理器
    }

    /**
     * 当UncaughtException发生时会转入该重写的方法来处理
     */
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!handleException(ex) && mDefaultHandler != null) {
            // 如果自定义的没有处理则让系统默认的异常处理器来处理
            mDefaultHandler.uncaughtException(thread, ex);
        }
    }

    /**
     * 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 异常信息
     * @return true 如果处理了该异常信息;否则返回false.
     */
    public boolean handleException(Throwable ex) {
        if (ex == null || mContext == null)
            return false;
        final String crashReport = getCrashReport(mContext, ex);
//        new Thread() {
//            public void run() {
//                Looper.prepare();
//                File file = save2File(crashReport);
//                sendAppCrashReport(mContext, crashReport, file);
//                Looper.loop();
//            }
//
//        }.start();

        Intent mIntent = new Intent(mContext, ReportErrorActivity.class);
        mIntent.putExtra(ReportErrorActivity.KEY_ERRORMESG, crashReport);
        BSApplication.getInstance().mActivityStack.pop().startActivity(mIntent);
        BSApplication.getInstance().destroySystem();
        //这个地方要把当前进程给关闭了 否则的话 就是僵尸 内存已经被清空
        return true;
    }

    private File save2File(String crashReport) {
        // TODO Auto-generated method stub
        String fileName = "crash-" + System.currentTimeMillis() + ".txt";
        if (Environment.getExternalStorageState().equals(
                Environment.MEDIA_MOUNTED)) {
            try {
                File dir = new File(Environment.getExternalStorageDirectory()
                        .getAbsolutePath() + File.separator + "crash");
                if (!dir.exists())
                    dir.mkdir();
                File file = new File(dir, fileName);
                FileOutputStream fos = new FileOutputStream(file);
                fos.write(crashReport.toString().getBytes());
                fos.close();
                return file;
            } catch (Exception e) {
            }
        }
        return null;
    }


    /**
     * 获取APP崩溃异常报告
     *
     * @param ex
     * @return
     */
    private String getCrashReport(Context context, Throwable ex) {
        PackageInfo pinfo = getPackageInfo(context);
        StringBuffer exceptionStr = new StringBuffer();
        exceptionStr.append("Version: " + pinfo.versionName + "("
                + pinfo.versionCode + ")\n");
        exceptionStr.append("Android: " + android.os.Build.VERSION.RELEASE
                + "(" + android.os.Build.MODEL + ")\n");
        exceptionStr.append("Exception: " + ex.getMessage() + "\n");
        StackTraceElement[] elements = ex.getStackTrace();
        for (int i = 0; i < elements.length; i++) {
            exceptionStr.append(elements[i].toString() + "\n");
        }
        return exceptionStr.toString();
    }

    /**
     * 获取App安装包信息
     *
     * @return
     */
    private PackageInfo getPackageInfo(Context context) {
        PackageInfo info = null;
        try {
            info = context.getPackageManager().getPackageInfo(
                    context.getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
        }
        if (info == null)
            info = new PackageInfo();
        return info;
    }

}