Suppress Keyboard from Popping Up

How to prevent the keyboard from popping up on mobile devices?

When step up button is clicked, the input will be focus, so mobile device display keyboard, the solution is add readonly attribute, when user click input box, remove it, on blur, add readonly attribute again.

see the code snippet to understand

$( "#spinner" ).spinner();$( "#spinner" ).click(function(event){  $(this).removeAttr('readonly').select();});$( "#spinner" ).blur(function(event){  $(this).attr('readonly', 'readonly');});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script><script   src="https://code.jquery.com/ui/1.12.0/jquery-ui.min.js"   integrity="sha256-eGE6blurk5sHj+rmkfsGYeKyZx3M4bG+ZlFyA7Kns7E="   crossorigin="anonymous"></script><link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">  <input id="spinner" >

How to remove auto focus/keyboard popup of a field when the screen shows up?

InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(editTextField.getWindowToken(), 0);

or

set activity property in manifest file as below in the application tag

android:windowSoftInputMode="stateHidden"

How to disable keyboard popup?

As I already wrote in the comment use the getWindow() method of your host-activity to set the SOFT_INPUT_STATE_AL‌​WAYS_HIDDEN flag. There is no need to invoke anything on an EditText when you want to disable the up-popping keyboard generally in this specific activity.

Using Swift, how do I disable the keyboard from popping up?

Try to set inputView UIView() as an inputView textField.inputView = UIView()



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