Android EditText 输入金额（小数点后两位）

 EditText edit = new EditText(context);
 InputType.TYPE_NUMBER_FLAG_DECIMAL //小数点型
 InputType.TYPE_CLASS_NUMBER //整数型

 //设置Input的类型两种都要

 edit.setInputType(InputType.TYPE_NUMBER_FLAG_DECIMAL|InputType.TYPE_CLASS_NUMBER);

 //设置字符过滤
 edit.setFilters(new InputFilter[]{new InputFilter() {
     @Override
     public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
         if(source.equals(".") && dest.toString().length() == 0){
             return "0.";
         }
         if(dest.toString().contains(".")){
             int index = dest.toString().indexOf(".");
             int length = dest.toString().substring(index).length();
             if(length == 3){
                 return "";
             }
         }
         return null;
     }
 }});