Masked Input Using EditText Widget in Android

Question

Is there a way I can specify an input mask to the EditText control in Android?

I want be able to specify something like ### - ## - #### for a Social Security Number. This will cause any invalid input to be rejected automatically (example, I type alphabetical characters instead of numeric digits).

I realize that I can add an OnKeyListener and manually check for validity. But this is tedious and I will have to handle various edge cases.

What i understood is you want to specify the input type such as number, characters, password(type)? In that case you can use the method setInputType(int type) also look into http://developer.android.com/reference/android/text/InputType.html or else you can specify in XML while declaring the edit text — Vamsi, May 26 '10 at 13:21
I did take a look at those types. I need more control over the format of the text being entered. — Buzzy, May 26 '10 at 13:27
try this library: https://android.jlelse.eu/edittext-picker-library-4c71ae7d7863 — Ali Azaz Alam, May 05 '20 at 12:45

score 25 · Accepted Answer · edited Jun 20 '16 at 20:42

25

Try using an InputFilter rather than an OnKeyListener. This means you don't have worry about tracking individual key presses and it will also handle things like pasting into a field which would be painful to handle with an OnKeyListener.

You could have a look at the source of the InputFilter implementations that come with Android to give you a starting point for writing your own.

edited Jun 20 '16 at 20:42

Adam Peck

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answered May 26 '10 at 11:49

David Webb

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Thank you. The InputFilter source offers some great insights. – Buzzy May 26 '10 at 13:24

score 8 · Answer 2 · answered Mar 07 '17 at 10:49

The easiest way I know to use a mask on EditText in your Android programs in Android Studio is to use MaskedEditText library (GitHub link). It's a kind of custom EditText with Watcher that allows you to set a hint with different color (if you want it will be available even when user already started to type), mask and it's very easy to use :-)

compile 'ru.egslava:MaskedEditText:1.0.5'

<br.com.sapereaude.maskedEditText.MaskedEditText
    android:id="@+id/phone_input"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:inputType="phone"
    android:typeface="monospace"
    mask:allowed_chars="1234567"
    mask:mask="###-##-##"
    app:keep_hint="true"
    />

And that is!

score 3 · Answer 3 · answered Sep 24 '10 at 11:15

3

You could take a look at the android.telephony.PhoneNumberFormattingTextWatcher class. It masks a phone number text input with the ###-###-#### pattern.

answered Sep 24 '10 at 11:15

Fernando Pereira

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score 1 · Answer 4 · edited Nov 18 '11 at 03:55

String phoneNumber = "1234567890";

String text = String.valueOf( android.telephony.PhoneNumberUtils.formatNumber(phoneNumber) ); //formatted: 123-456-7890

editTextMobile.setText(text); //set editText text equal to new formatted number

editTextMobile.setSelection(text.length()); //move cursor to end of editText view

Use this in an onKey function for delicious on-the-fly bunny sex with formatted phone numbers.

score 0 · Answer 5 · answered Sep 28 '14 at 23:17

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This site gives a good 2 classes that help with masking that I found quite useful.

You need to use the items in the comments to improve it. But worth adding to your program for ease of masking your EditText views for many masks.

answered Sep 28 '14 at 23:17

SatanEnglish

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score 0 · Answer 6 · edited May 23 '17 at 12:17

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you can use this efect in EditText

edited May 23 '17 at 12:17

Community

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answered Dec 29 '15 at 16:50

David Hackro

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International phone numbers don't have a single-matching pattern. This method will cause more headache than beating a solution – Farid Aug 06 '21 at 07:22

Masked Input Using EditText Widget in Android

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