Press “.” many times (validate ip address in EditText while typing)?

You need to create your own InputFilter : developer.android.com/reference/android/... Take a look at this answer I wrote some time ago: How to set Edittext view allow only two numeric values and two decimal values like Update - sample code Here is an adaptation to that filter to validate ips. It checks for the presence of four digits, separated by dots and none of them bigger than 255. The validation occurs in real time, i.e.

, while typing EditText text = new EditText(this); InputFilter filters = new InputFilter1; filters0 = new InputFilter() { public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { if (end > start) { String destTxt = dest.toString(); String resultingTxt = destTxt. Substring(0, dstart) + source. SubSequence(start, end) + destTxt.

Substring(dend); if (!resultingTxt. Matches ("^\\d{1,3}(\\.(\\d{1,3}(\\.(\\d{1,3}(\\.(\\d{1,3})? )?)?

)? )?)? ")) { return ""; } else { String splits = resultingTxt.

Split("\\."); for (int i=0; I 255) { return ""; } } } } return null; } }; text. SetFilters(filters).

You need to create your own InputFilter: developer.android.com/reference/android/... Take a look at this answer I wrote some time ago: How to set Edittext view allow only two numeric values and two decimal values like ##. ## Update - sample code Here is an adaptation to that filter to validate ips. It checks for the presence of four digits, separated by dots and none of them bigger than 255.

The validation occurs in real time, i.e. , while typing. EditText text = new EditText(this); InputFilter filters = new InputFilter1; filters0 = new InputFilter() { public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { if (end > start) { String destTxt = dest.toString(); String resultingTxt = destTxt.

Substring(0, dstart) + source. SubSequence(start, end) + destTxt. Substring(dend); if (!resultingTxt.

Matches ("^\\d{1,3}(\\.(\\d{1,3}(\\.(\\d{1,3}(\\.(\\d{1,3})? )? )?)?

)? )?")) { return ""; } else { String splits = resultingTxt. Split("\\.

"); for (int i=0; I 255) { return ""; } } } } return null; } }; text. SetFilters(filters).

Thank you very much – xuraj Apr 27 at 1:03 @xuraj check the updated answer – Aleadam Apr 27 at 3:06 Wow.. works perfect.. – xuraj Apr 27 at 3:45 @Aleadam Thanks a lot, it works like magic... – Panache 2 days ago.

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