常用属性

阴影 z轴 elevation

ConstraintLayout

比例 缩写 ratio layout_constraintDimensionRatio

偏压 缩写 bias layout_constraintHorizontal_bias layout_constraintVertical_bias

TextView 省略号 ellipsize

去掉点击背景和波纹效果 app:tabBackground=”@color/transparent” app:tabRippleColor=”@color/transparent”

Stub