private void applyMarginInsets(
MarginLayoutParams lp, Object insets, int drawerGravity, boolean topOnly) {
WindowInsets wi = (WindowInsets) insets;
if (drawerGravity == Gravity.LEFT) {
wi =
wi.replaceSystemWindowInsets(
wi.getSystemWindowInsetLeft(),
wi.getSystemWindowInsetTop(),
0,
wi.getSystemWindowInsetBottom());
} else if (drawerGravity == Gravity.RIGHT) {
wi =
wi.replaceSystemWindowInsets(
0,
wi.getSystemWindowInsetTop(),
wi.getSystemWindowInsetRight(),
wi.getSystemWindowInsetBottom());
}
lp.leftMargin = wi.getSystemWindowInsetLeft();
lp.topMargin = topOnly ? 0 : wi.getSystemWindowInsetTop();
lp.rightMargin = wi.getSystemWindowInsetRight();
lp.bottomMargin = wi.getSystemWindowInsetBottom();
}
public void setOffset(float offset) {
int parallaxOffset = (int) (offset * mParallaxValue);
mLayoutParams.leftMargin = parallaxOffset;
mLayoutParams.rightMargin = -parallaxOffset;
requestLayout();
}