限制两位小数

 

EditText txtInput = (EditText) findViewById(R.id.txtInput); txtInput.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) {} });

android:inputType="numberDecimal"

http://wang-peng1.iteye.com/blog/818417

 

 

 

代码中设置输入最大长度
editText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(20)});//设置输入最大长度