EditText Clear Focus On Keyboard Hidden (Kotlin)

Apr 20, 2018

For this to work, you would need to subclass EditText, preferbly AppCompatEditText.

When back key is pressed (hide the keyboard), execute code to clear focus.

class ClearFocusEditText: AppCompatEditText {    constructor(context: Context) : super(context)    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)    constructor(context: Context, attrs: AttributeSet, defStyle: Int) : super(context, attrs, defStyle)    override fun onKeyPreIme(keyCode: Int, event: KeyEvent?): Boolean {        if(keyCode == KeyEvent.KEYCODE_BACK) {            clearFocus()        }        return super.onKeyPreIme(keyCode, event)    }}
    android:layout_height="wrap_content" />

This is useful for scenario where android:windowSoftInputMode="adjustPan" doesn't work properly the second time (after keyboard hidden from the first time).

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✨ By Desmond Lua

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