RelativeLayout relative layout 2 Snap to the control's baseline Baseline, baseline, in order to ensure the neatness of the printed letters (written in English), the line drawn ================= Align with the four edges of the parent control android:layout_alignParentLeft="true" //Align to the left of the parent control android:layout_alignParentRight="true" //Align to the right of the parent control android:layout_alignParentTop="true" android:layout_alignParentBottom="true" <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="#FF0000" android:text="align parent control" android:layout_alignParentRight="true" android:layout_alignParentBottom="true"//The above two sentences, let the textView stay in the lower right corner /> ================= Align to center of parent control android:layout_centerHorizontal="true"//Place the parent control. The center of the horizontal position android:layout_centerVertical="true" //Place in parent control. Vertical center android:layout_centerInParent="true" //Place it in the center of the parent control
Getting Started with Android. RelativeLayout Relative Layout 2
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