//当线程因未捕获的异常而突然终止时，调用处理程序的接口 static interface UncaughtExceptionHandler

//设置当线程由于未捕获到异常而突然终止，并且没有为该线程定义其他处理程序时所调用的默认处理程序。 static void setDefaultUncaughtExceptionHandler(Thread.UncaughtExceptionHandler eh)

class MythouCrashHandler implements UncaughtExceptionHandler {     private static final String TAG = "MythouCrashHandler---->";     private UncaughtExceptionHandler defaultUEH; 　　//构造函数，获取默认的处理方法     public MythouCrashHandler()     {         this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();     } 　　//这个接口必须重写，用来处理我们的异常信息     @Override     public void uncaughtException(Thread thread, Throwable ex)     {         final Writer result = new StringWriter();         final PrintWriter printWriter = new PrintWriter(result); 　　　　 //获取跟踪的栈信息，除了系统栈信息，还把手机型号、系统版本、编译版本的唯一标示         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); 　　　　//追加信息，因为后面会回调默认的处理方法         ex.setStackTrace(trace2);         ex.printStackTrace(printWriter); 　　　　 //把上面获取的堆栈信息转为字符串，打印出来         String stacktrace = result.toString();         printWriter.close();         Log.e(TAG, stacktrace);         //这里把刚才异常堆栈信息写入SD卡的Log日志里面         if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))         {             String sdcardPath = Environment.getExternalStorageDirectory().getPath();             writeLog(stacktrace, sdcardPath + "/mythou");         }         defaultUEH.uncaughtException(thread, ex);     } 　　//写入Log信息的方法，写入到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); 　　　　　　　//写入相关Log到文件             bw.write(log);             bw.newLine();             bw.close();             output.close();         }         catch (IOException e)         {             e.printStackTrace();         }     } }

　　 public class SendCrashLog extends AsyncTask<String, String, Boolean>     {         public SendCrashLog() { }         @Override         protected Boolean doInBackground(String... params)         {             if (params[0].length() == 0)                 return false;             HttpClient httpClient = new DefaultHttpClient(); 　　　　　　　//你的服务器，这里只是举个例子。把异常信息当作http请求发送到服务器             HttpPost httpPost = new HttpPost("http://www.mythou/getlog.php"); 　　　　　　　//这里把相关的异常信息转为http post请求的数据参数             try {                 List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);                 nameValuePairs.add(new BasicNameValuePair("model", params[0]));                 nameValuePairs.add(new BasicNameValuePair("device", params[1]));                 httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); 　　　　　　　　　//发送相关请求信息                 httpClient.execute(httpPost);             } catch (ClientProtocolException e) {                 e.printStackTrace();                 return false;             } catch (IOException e) {                 e.printStackTrace();                 return false;             }             Log.d(TAG, "Device model sent.");             return true;         }         @Override         protected void onPostExecute(Boolean result) {         }     }

SendCrashLogsendLog = new SendCrashLog(); //刚才的异常信息字符串 sendLog .execute(stacktrace);