- (void)loadView{

    self.view = [[JHFrameLayoutView alloc] initWithFrame:[UIScreen mainScreen].bounds];

    UIView *view1 = [[UIView alloc] init];
    view1.backgroundColor = [UIColor grayColor];
    [self.view addSubview:view1];
    
    view1.jhLayout
    .topOffsetBottomOfView(10, self.navigationController.navigationBar, NO)
    .leftIs(10)
    .bottomOffsetMiddleOfView(-50, self.view, YES)
    .rightOffsetMiddleOfView(-5, self.view, YES);
}