1 EditText edit = new EditText(context);
2 InputType.TYPE_NUMBER_FLAG_DECIMAL //小数点型
3 InputType.TYPE_CLASS_NUMBER //整数型
4
5 //设置Input的类型两种都要
6
7 edit.setInputType(InputType.TYPE_NUMBER_FLAG_DECIMAL|InputType.TYPE_CLASS_NUMBER);
8
9 //设置字符过滤
10 edit.setFilters(new InputFilter[]{new InputFilter() {
11 @Override
12 public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
13 if(source.equals(".") && dest.toString().length() == 0){
14 return "0.";
15 }
16 if(dest.toString().contains(".")){
17 int index = dest.toString().indexOf(".");
18 int length = dest.toString().substring(index).length();
19 if(length == 3){
20 return "";
21 }
22 }
23 return null;
24 }
25 }});
