Android Development Layout File LinearLayout

linearlayout-a linear layout in which controls are arranged horizontally or in a vertical direction.

The optional values are determined by the attribute android:orientation= "": Vertical and horizontal.

At the same time there is a specific gravity attribute, android:layout_weight= "", you can get the size of the control in the layout by filling in the weight of each control.

At design time you can only set the specific gravity property of one row or column of a control, so that other controls do not participate in the specific gravity, just set android:layout_weight= "" in the control, and other controls are not set.

Android Development Layout File LinearLayout