/Kotlin/Disable button when edittext is empty kotlin

Disable button when edittext is empty kotlin

editText1.addTextChangedListener(object: TextWatcher {
        override fun onTextChanged(s:CharSequence, start:Int, before:Int, count:Int) {
            if (s.toString().trim({ it <= ' ' }).isEmpty())
            {
                button.setEnabled(false)
            }
            else
            {
                button.setEnabled(true)
            }
        }
        override fun beforeTextChanged(s:CharSequence, start:Int, count:Int,
                              after:Int) {
            // TODO Auto-generated method stub
        }
        override fun afterTextChanged(s: Editable) {
            // TODO Auto-generated method stub
        }
    })

Source: stackoverflow.com

Similar codes

3 votes334 views1 answer
How to declare string array in kotlin
Kotlin
5 votes335 views1 answer
Onbackpressed in fragment java
Kotlin
0 vote333 views1 answer
Checkstyle for kotlin project
Kotlin
4 votes370 views1 answer
Kotlin online compiler
Kotlin
0 vote334 views1 answer
Android kotlin timer
Kotlin
3 votes337 views1 answer
Kotlin read input as int
Kotlin
0 vote296 views1 answer
Seekbar kotlin
Kotlin
1 vote371 views1 answer
Android edittext on change listener kotlin
Kotlin
0 vote366 views1 answer
Kotlin for i in range how to get index value of i
Kotlin
2 votes317 views1 answer
Kotlin for ios
Kotlin