TextView 跑马灯

android:focusable="true"
android:focusableInTouchMode="true"
android:ellipsize="marquee"
android:singleLine="true"

binding.tv.text = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
binding.tv.requestFocus()

TextView 超出行数时可以手动上下拖动

textView.movementMethod = ScrollingMovementMethod()