UITabBar height hack

ResizeableTabBarController.m

@interface CTResizeableTabBar : UITabBar

// tabbar高度，为0表示采用系统默认高度
- (instancetype)initWithHeight:(CGFloat)tabBarHeight;

@end



@interface CTResizeableTabBar ()
{
@private
    CGFloat _tabBarHeight;
}

@end


@implementation CTResizeableTabBar

- (instancetype)initWithHeight:(CGFloat)tabBarHeight
{
    self = [super init];
    if (self) {
        _tabBarHeight = tabBarHeight;
    }
    return self;
}

- (CGSize)sizeThatFits:(CGSize)size
{
    CGSize sizeThatFits = [super sizeThatFits:size];
    if (_tabBarHeight > 0.0f) {
        sizeThatFits.height = _tabBarHeight;
    }
    return sizeThatFits;
}

@end


@interface CTResizeableTabBarController : UITabBarController

// tabbar高度，为0表示采用系统默认高度
- (instancetype)initWithHeight:(CGFloat)tabBarHeight;

@end


@interface CTResizeableTabBarController ()

@property (nonatomic, readwrite) UITabBar *tabBar;

@end


@implementation CTResizeableTabBarController

- (instancetype)initWithHeight:(CGFloat)tabBarHeight;
{
    self = [super init];
    if (self) {
        self.tabBar = [[CTResizeableTabBar alloc] initWithHeight:tabBarHeight];
    }
    return self;
}

@end