image_support.kt

override fun onCreateInputConnection(editorInfo: EditorInfo): InputConnection {
    val inputConnection = super.onCreateInputConnection(editorInfo)
    EditorInfoCompat.setContentMimeTypes(editorInfo, arrayOf("image/gif", "image/png"))
 
    val callback = InputConnectionCompat.OnCommitContentListener { inputContentInfo, flags, _ ->
        if (ApiLevelHelper.isAtLeast(25) && flags and InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION != 0) {
            try {
                inputContentInfo.requestPermission()
            } catch (e: Exception) {
                return@OnCommitContentListener false
            }
            mediaSelectionListener?.onMediaSelected(inputContentInfo.contentUri)
        }
        true
    }
    return InputConnectionCompat.createWrapper(inputConnection, editorInfo, callback)
}

Hi! What is a mediaSelectionListener? Is that your custom interface?