Capture done action on softkeyboard without edittext?

Question

In my app I have a webview that displays some content. One of these screen has a text box to fill in. I want to capture when the user presses the done button on the keyboard but there's no edit text to add a listener too. How can I capture the action regardless of device & keyboard?

I've tried these with little luck. EditText with textPassword inputType, but without Softkeyboard

android: Softkeyboard perform action when Done key is pressed

@Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
        switch (keyCode) {
            case KeyEvent.KEYCODE_ENTER:
                // code here
                break;
            default:
                return super.onKeyUp(keyCode, event);
        }
        return true;
    }

My class overrides KeyEvent.Callback but the above funtion onKeyDown is never called.

Answer 1

Create a custom webview, override onCreateInputConnection to set ime option and input type to keyboard, override dispatchKeyEvent to get the key events filter it out

Example :

class MyWeb@JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0) : WebView(context, attrs, defStyleAttr) {

override fun onCreateInputConnection(outAttrs: EditorInfo): InputConnection {
    val inputConnection = BaseInputConnection(this, false)
    return inputConnection
}

override fun dispatchKeyEvent(event: KeyEvent): Boolean {
    super.dispatchKeyEvent(event)
    val dispatchFirst = super.dispatchKeyEvent(event)
    if (event.action == KeyEvent.ACTION_UP) {
        when (event.keyCode) {
            KeyEvent.KEYCODE_ENTER -> {
                Toast.makeText(context,"Hii",Toast.LENGTH_LONG).show()
                //callback?.onEnter()
            }
        }
    }
    return dispatchFirst
}

}

and XML

<com.example.MyWeb
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:id="@+id/web"
/>`

Source : https://medium.com/@elye.project/managing-keyboard-on-webview-d2e89109d106