Unlike RelativeLayout , ConstraintLayout offers bias value that is used to position a view in terms of 0% and 100% horizontal and vertical ... ... <看更多>

Experiment with using RelativeLayout and ConstraintLayout. Copy and refactor the Hello Toast app to create the Hello Relative app. Change the root view group in ... ... <看更多>

1.ConstraintLayout和RelativeLayout的子view的布局方式对比. RelativeLayout, ConstraintLayout. android:layout_alignParentLeft="true", app: ... ... <看更多>