EditText 保留两位小数

源地址：http://blog.sina.com.cn/s/blog_5d66fcf00102vwzv.html

布局XML文件:

android:inputType="numberDecimal"

 

 

源代码：

editMoney = (EditText) findViewById(R.id.EditMoney);

  editMoney.addTextChangedListener(new TextWatcher() 

  {

      public void afterTextChanged(Editable edt) 

      {

          String temp = edt.toString();

          int posDot = temp.indexOf(".");

          if (posDot <= 0) return;

          if (temp.length() - posDot - 1 > 2)

          {

              edt.delete(posDot + 3, posDot + 4);

          }

      }

      public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {}

      public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {}

  });