获取状态栏

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

public int getStatusHeight() {
	View decorView = activity.getWindow().getDecorView();
	Rect rect = new Rect();
    decorView.getWindowVisibleDisplayFrame(rect);
	return rect.top;
}