Common android relativelayout attributes ~

// Relative to the given ID control Android: layout_above, place the bottom of the control on the control with the given ID; Android: layout_below places the bottom of the control under the control with the given ID; Android: layout_toleftof alignment the right edge of the control and the left edge of the control with the given ID; Android: layout_torightof alignment the left edge of the control with the right edge of the control with the given ID; Android: layout_alignbaseline alignbaseline aligneline of the control and baseline of the given ID; Android: layout_aligntop aligntop; Android: layout_alignbottom alignbottom alignleft: layout_alignright alignright: Align the right edge of the control with the right edge of the given ID; // align the top of the control with the top of its parent control if it is set to true relative to the parent component Android: layout_alignparenttop; android: layout_alignparentbottom: true: Align the bottom of the control with the bottom of its parent control; Android: layout_alignparentleft: true: Align the left of the control with the left of its parent control; Android: if layout_alignparentright is true, align the right of the control with the right of its parent control; // center Android: layout_centerhorizontal if true, align the control horizontally. Android: if layout_centervertical is true, place the control in the vertical center; If Android: layout_centerinparent is true, place the control in the center of the parent control; // specify the mobile pixel Android: layout_margintop offset value; Android: layout_marginbottom offset value; Android: layout_marginleft offset value; Android: layout_marginright offset value;