Android收集应用闪退信息的捕获类

/**  * 当程序发生Uncaught异常的时候,有该类来接管程序,并记录发送错误报告.  *   * @author user  *   */  public class CrashHandler implements UncaughtExceptionHandler {
    public static final String TAG = "CrashHandler";
    //系统默认的UncaughtException处理类       private Thread.UncaughtExceptionHandler mDefaultHandler;      //CrashHandler实例      private static CrashHandler INSTANCE = new CrashHandler();      //程序的Context对象      private Context mContext;      //用来存储设备信息和异常信息      private Map<String, String> infos = new HashMap<String, String>();    //    //用于格式化日期,作为日志文件名的一部分  //    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss",Locale.getDefault());      /** 保证只有一个CrashHandler实例 */      private CrashHandler() {      }
    /** 获取CrashHandler实例 ,单例模式 */      public static CrashHandler getInstance() {          return INSTANCE;      }
    /**      * 初始化      *       * @param context      */      public void init(Context context) {          mContext = context;          //获取系统默认的UncaughtException处理器          mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();          //设置该CrashHandler为程序的默认处理器          Thread.setDefaultUncaughtExceptionHandler(this);      }
    /**      * 当UncaughtException发生时会转入该函数来处理      */      @Override      public void uncaughtException(Thread thread, Throwable ex) {          if (!handleException(ex) && mDefaultHandler != null) {              //如果用户没有处理则让系统默认的异常处理器来处理              mDefaultHandler.uncaughtException(thread, ex);          } else {              try {                  Thread.sleep(3000);              } catch (InterruptedException e) {                  Log.e(TAG, "error : ", e);              }  finally{
            }            JSYApplication.getInstance().onTerminate();        }      }
    /**      * 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      * @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 false;          }          //使用Toast来显示异常信息          new Thread() {              @Override              public void run() {                  Looper.prepare();                  Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出.", Toast.LENGTH_LONG).show();                  Looper.loop();              }          }.start();          //收集设备参数信息           collectDeviceInfo(mContext);          //保存日志文件           saveCrashInfo2File(ex);          return true;      }
    /**      * 收集设备参数信息      * @param ctx      */      public void collectDeviceInfo(Context ctx) {          try {              PackageManager pm = ctx.getPackageManager();              PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);              if (pi != null) {                  String versionName = pi.versionName == null ? "null" : pi.versionName;                  String versionCode = pi.versionCode + "";                  infos.put("versionName", versionName);                  infos.put("versionCode", versionCode);              }          } catch (NameNotFoundException e) {              Log.e(TAG, "an error occured when collect package info", e);          }          //获取手机所有类型信息        //getDeclaredFields是获取所有申明信息        Field[] fields = Build.class.getDeclaredFields();          for (Field field : fields) {              try {                  field.setAccessible(true);                  infos.put(field.getName(), field.get(null).toString());              } catch (Exception e) {                  Log.e(TAG, "an error occured when collect crash info", e);              }          }          try {            //这里获取的是手机imei信息,我写在另一个类里了，参见上篇关于TelephonyManager的博文            infos.put("imei", BaseUtils.getInfo(mContext));            //通过WifiManager获取手机MAC地址 只有手机开启wifi才能获取到mac地址            infos.put("mac", BaseUtils.getMacAddress(mContext));            //这个获取的是手机屏幕信息，在另一个类里，就不po文了            infos.put("screen", Constant.ScreenHeight+"*"+Constant.ScreenWith);        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }
    }
    /**      * 保存错误信息到文件中      *       * @param ex      * @return  返回文件名称,便于将文件传送到服务器      */      private String saveCrashInfo2File(Throwable ex) {
        String mobilemsg = "";        //遍历HashMap        for (Map.Entry<String, String> entry : infos.entrySet()) {              String key = entry.getKey();              String value = entry.getValue();              mobilemsg += key + "=" + value + "\r\n";          }
        Writer writer = new StringWriter();          PrintWriter printWriter = new PrintWriter(writer);          ex.printStackTrace(printWriter);          Throwable cause = ex.getCause();         while (cause != null) {              cause.printStackTrace(printWriter);            cause = cause.getCause();          }          printWriter.close();          String errormsg = writer.toString();        Log.e(TAG,errormsg);        HttpUtils http = new HttpUtils();        RequestParams params = new RequestParams();        params.addBodyParameter("mobilestr",mobilemsg);        params.addBodyParameter("frmsys","andro");        params.addBodyParameter("errorstr",errormsg);        http.send(HttpRequest.HttpMethod.POST, "需要传送的地址", params,null);        return null;      }  }  

 CrashHandler crashHandler = CrashHandler.getInstance();   crashHandler.init(getApplicationContext());