軟鍵盤顯示發送按鈕，支持多行

原文鏈接：https://blog.csdn.net/lixueqiang001/article/details/90515198

editText.imeOptions = EditorInfo.IME_ACTION_SEND
editText.inputType = TYPE_TEXT_FLAG_MULTI_LINE
editText.setSingleLine(false)
editText.maxLines = 40
editText.setOnEditorActionListener { v, actionId, event ->
    if (actionId == EditorInfo.IME_ACTION_SEND) {
        Log.d("zivon", "MomentCommentDialog send------------------")
        publishComment(fragment)
        true
    }
    false
}