Returns the height of the status bar in pixels.

getStatusBarHeight.java

public static int getStatusBarHeight() {
    int result = 0;
    int resourceId = mContext.getResources().getIdentifier("status_bar_height", "dimen", "android");
    if (resourceId > 0) {
        result = mContext.getResources().getDimensionPixelSize(resourceId);
    }
    return result;
}