How to remove change language key button from keyboard in iOS Swift 3

ios, key, keyboard, swift, swift3

Solution

(Applies for iOS 10 or later)

Swift

Use .`asciiCapable` for Swift

txtField.keyboardType = .asciiCapable

Objective-C

self.txtField.keyboardType = UIKeyboardTypeNumbersAndPunctuation;

Problem

I want to remove change language key from my keyboard in iOS app with Swift3.

Original source