Android-Android 套件升級導致 UI 元件失效

因近期升級至 Android X
導致部分原有的 UI 元件失效
在此紀錄有異動的項目
官方說明列表有很清楚的對照表
以下為之前遇到的在此紀錄

import android.support.v4.app.Fragment;

To

import androidx.fragment.app.Fragment;

---------------------------------------

import androidx.annotation.Nullable; 

To 

import androidx.annotation.Nullable;

---------------------------------------

import android.support.v7.app.AppCompatActivity;

To

import androidx.appcompat.app.AppCompatActivity; 

---------------------------------------
androidx.constraintlayout.ConstraintLayout

To

androidx.constraintlayout.widget.ConstraintLayout
---------------------------------------
android.support.constraint.ConstraintLayout

To

android.coordinatorlayout.widget.ConstraintLayout
---------------------------------------
android.support.v7.widget.CardView
To
androidx.cardview.widget.CardView

參考資料：Migrating to AndroidX

參考資料：Cannot resolve symbol AppCompatActivity - Support v7 libraries aren't recognized?