获取系统状态栏和导航栏的高度

获取系统中状态栏的高度

int statusBarResId = this.getResources().getIdentifier("status_bar_height", "dimen", "android");
int statusBarHeight = this.getResources().getDimensionPixelSize(statusBarResId);

获取系统导航栏的高度

int navigationBarResId = this.getResources().getIdentifier("navigation_bar_height", "dimen", "android");
int navigationBarHeight = this.getResources().getDimensionPixelSize(navigationBarResId);