private void initUI() {
    mAvatorIV = (ImageView) findViewById(R.id.splash_logo_image);
    mAvatorIV.setOnClickListener(
        new OnClickListener() {
          @Override
          public void onClick(View v) {

            if (Config.getIsLogin(mContext)) { // 如果是登录状态中则点击退出登录
              Config.setIsLogin(mContext, false);
              Config.setNickName(mContext, null);
              File file = new File(AppConstants.AVATOR_PATH);
              file.deleteOnExit();
              mAvatorIV.setImageResource(R.drawable.login_logo);
              mNameTV.setText("");
              setLoginLayout();
            }
          }
        });
    mTitleTV = (TextView) findViewById(R.id.middle_title);
    mTitleTV.setText("用户信息");
    mNameTV = (TextView) findViewById(R.id.nickname);
    if (Config.getIsLogin(mContext)) {
      mAvator = Utility.toRoundBitmap(BitmapFactory.decodeFile(AppConstants.AVATOR_PATH));
      mAvatorIV.setImageBitmap(mAvator);
      mNameTV.setText(Config.getNickName(mContext));
    }
    mSettingBtn = (RelativeLayout) findViewById(R.id.setting);
    mAboutBtn = (RelativeLayout) findViewById(R.id.about);

    setLoginLayout();
  }
 @Override
 public void onTaskFinish(ITask task, InputStream is) {
   // TODO Auto-generated method stub
   Utility.saveFile(is, AppConstants.AVATOR_PATH);
   Bitmap temp = BitmapFactory.decodeFile(AppConstants.AVATOR_PATH);
   mAvator = Utility.toRoundBitmap(temp);
   temp.recycle();
   temp = null;
   mHandler.sendEmptyMessage(AppConstants.MsgType.LOGIN_SUCCESS);
 }