private void obtainDialogButtonBarDividerMargin ( @ NonNull final TypedArray typedArray ) { setDialogDividerMargin ( typedArray . getDimensionPixelSize ( R . styleable . DialogPreference_dialogDividerMargin , 0 ) ) ; }
Obtains the left and right margin of the divider which is located above the buttons of the dialog which shown by the preference from a specific typed array .