android之RelativeLayout

Constants
int	ABOVE	Rule that aligns a child's bottom edge with another child's top edge. 将改控件的底部至于给定ID的控件之上
int	ALIGN_BASELINE	Rule that aligns a child's baseline with another child's baseline.
int	ALIGN_BOTTOM	Rule that aligns a child's bottom edge with another child's bottom edge.
int	ALIGN_LEFT	Rule that aligns a child's left edge with another child's left edge. 将改空间的左边缘和给定ID的控件的左边缘对齐
int	ALIGN_PARENT_BOTTOM	Rule that aligns the child's bottom edge with its RelativeLayout parent's bottom edge.
int	ALIGN_PARENT_LEFT	Rule that aligns the child's left edge with its RelativeLayout parent's left edge.
int	ALIGN_PARENT_RIGHT	Rule that aligns the child's right edge with its RelativeLayout parent's right edge.
int	ALIGN_PARENT_TOP	Rule that aligns the child's top edge with its RelativeLayout parent's top edge.
int	ALIGN_RIGHT	Rule that aligns a child's right edge with another child's right edge.
int	ALIGN_TOP	Rule that aligns a child's top edge with another child's top edge.
int	BELOW	Rule that aligns a child's top edge with another child's bottom edge. 将改控件的底部至于给定ID的控件之下
int	CENTER_HORIZONTAL	Rule that centers the child horizontally with respect to the bounds of its RelativeLayout parent.
int	CENTER_IN_PARENT	Rule that centers the child with respect to the bounds of its RelativeLayout parent.
int	CENTER_VERTICAL	Rule that centers the child vertically with respect to the bounds of its RelativeLayout parent.
int	LEFT_OF	Rule that aligns a child's right edge with another child's left edge. 将改空间的右边缘和给定ID的控件的左边缘对齐
int	RIGHT_OF	Rule that aligns a child's left edge with another child's right edge. 将改空间的左边缘和给定ID的控件的右边缘对齐
int	TRUE