加載gif圖片
implementation 'pl.droidsonroids.gif:android-gif-drawable:1.1.+'
<pl.droidsonroids.gif.GifImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/testgif" />
小彈框
Toast.makeText(LoginActivity.this, "點擊了確定", Toast.LENGTH_SHORT).show();