class MythouCrashHandler implements UncaughtExceptionHandler
{
    private static final String TAG = "MythouCrashHandler---->";
    private UncaughtExceptionHandler defaultUEH;
　　//建構函式，獲取預設的處理方法
    public MythouCrashHandler()
    {
        this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
    }
　　//這個介面必須重寫，用來處理我們的異常資訊
    @Override
    public void uncaughtException(Thread thread, Throwable ex)
    {
        final Writer result = new StringWriter();
        final PrintWriter printWriter = new PrintWriter(result);
　　　　 //獲取跟蹤的棧資訊，除了系統棧資訊，還把手機型號、系統版本、編譯版本的唯一標示
        StackTraceElement[] trace = ex.getStackTrace();
        StackTraceElement[] trace2 = new StackTraceElement[trace.length+3];
        System.arraycopy(trace, 0, trace2, 0, trace.length);
        trace2[trace.length+0] = new StackTraceElement("Android", "MODEL", android.os.Build.MODEL, -1);
        trace2[trace.length+1] = new StackTraceElement("Android", "VERSION", android.os.Build.VERSION.RELEASE, -1);
        trace2[trace.length+2] = new StackTraceElement("Android", "FINGERPRINT", android.os.Build.FINGERPRINT, -1);
　　　　//追加資訊，因為後面會回撥預設的處理方法
        ex.setStackTrace(trace2);
        ex.printStackTrace(printWriter);
　　　　 //把上面獲取的堆疊資訊轉為字串，打印出來
        String stacktrace = result.toString();
        printWriter.close();
        Log.e(TAG, stacktrace);
        //這裡把剛才異常堆疊資訊寫入SD卡的Log日誌裡面
        if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
        {
            String sdcardPath = Environment.getExternalStorageDirectory().getPath();
            writeLog(stacktrace, sdcardPath + "/mythou");
        }
        defaultUEH.uncaughtException(thread, ex);
    }
　　//寫入Log資訊的方法，寫入到SD卡里面
    private void writeLog(String log, String name)
    {
        CharSequence timestamp = DateFormat.format("yyyyMMdd_kkmmss", System.currentTimeMillis());
        String filename = name + "_" + timestamp + ".log";
        try
        {
            FileOutputStream stream = new FileOutputStream(filename);
            OutputStreamWriter output = new OutputStreamWriter(stream);
            BufferedWriter bw = new BufferedWriter(output);
　　　　　　　//寫入相關Log到檔案
            bw.write(log);
            bw.newLine();
            bw.close();
            output.close();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
    }
}