How to determine if an input in EditText is an integer?

Question

Hi I\'m a newbie in Android Programming.

I\'m trying to build an activity which includes an edittext field and a button. When user type in an

Answer 1

Following code can be used to determine digits,

boolean isDigits = TextUtils.isDigitsOnly(edtDigits.getText().toString());

However since this method returns true with empty String as well so you can put a validation for empty string as follows,

public boolean isDigits(String number){ 
   if(!TextUtils.isEmpty(number)){
       return TextUtils.isDigitsOnly(number);
   }else{
       return false;
   }
}