#import "DJTabbarButton.h"@implementation DJTabbarButton- (instancetype)initWithFrame:(CGRect)frame {    if (self = [super initWithFrame:frame]) {        [self setBackgroundImage:[UIImage imageNamed:@"tabbar_separate_selected_bg"] forState:UIControlStateDisabled];        self.imageView.contentMode = UIViewContentModeCenter;                /* 设置当按钮不可用或高亮状态时不要修改图片 */        self.adjustsImageWhenDisabled = NO;        self.adjustsImageWhenHighlighted = NO;//        self.backgroundColor = [UIColor greenColor];    }    return self;}- (void)layoutSubviews {    [super layoutSubviews];        if (DJLandscape) { // 横屏                /* imageView */        self.imageView.x = 0;        self.imageView.y = 0;        self.imageView.width = self.width * 0.4;        self.imageView.height = self.height;                /* titleLabel */        self.titleLabel.hidden = NO;        self.titleLabel.x = self.imageView.width;        self.titleLabel.y = 0;        self.titleLabel.width = self.width - self.imageView.width;        self.titleLabel.height = self.height;            } else { // 竖屏            /* imageView */        self.imageView.frame = self.bounds;        /* titleLabel */        self.titleLabel.hidden = YES;    }}/* 设置按钮无高亮状态 */- (void)setHighlighted:(BOOL)highlighted {}@end

// 添加子控制器- (void)setupChildViewControllers {    for (int i = 0; i < 6; i++) {        UIViewController *childVC = [[UIViewController alloc] init];        childVC.view.backgroundColor = DJRandomColor;        [self addChildViewController:childVC];    }}- (void)replaceCurrentShowingController:(DJTabBarIndex)index {    // 将当前显示的子控制器的View从界面上移除    [self.showingChildVc.view removeFromSuperview];    UIViewController *newShowingVc;    switch (index) {        case DJTabBarIndexAllStatus: // 全部动态            newShowingVc = self.childViewControllers[0];            break;        case DJTabBarIndexWithMe: // 与我相关             newShowingVc = self.childViewControllers[1];            break;        case DJTabBarIndexPhotoWall: // 照片樯             newShowingVc = self.childViewControllers[2];            break;        case DJTabBarIndexPhotoFrame: // 电子相框             newShowingVc = self.childViewControllers[3];            break;        case DJTabBarIndexFriend: // 好友             newShowingVc = self.childViewControllers[4];            break;        case DJTabBarIndexMore: // 更多             newShowingVc = self.childViewControllers[5];            break;    }        newShowingVc.view.x = self.menuView.width;    newShowingVc.view.y = 0;    newShowingVc.view.width = self.view.width - self.menuView.width;    newShowingVc.view.height = self.view.height;    [self.view addSubview:newShowingVc.view];    self.showingChildVc = newShowingVc;    }- (void)updateSubViewFrameInLandscape {    /* menuView */    self.menuView.width = DJMenuViewLW;    self.menuView.height = DJScreenLH;    self.menuView.x = 0;    self.menuView.y = 0;        /* showingChildVc */    self.showingChildVc.view.x = self.menuView.width;    self.showingChildVc.view.y = 0;    self.showingChildVc.view.width = DJScreenLW - self.menuView.width;    self.showingChildVc.view.height = DJScreenLH;    }- (void)updateSubViewsViewFrameInPortrait {    /* menuView */    self.menuView.width = DJMenuViewPW;    self.menuView.height = DJScrrenPH;    self.menuView.x = 0;    self.menuView.y = 0;        /* showingChildVc */    self.showingChildVc.view.x = self.menuView.width;    self.showingChildVc.view.y = 0;    self.showingChildVc.view.width = DJScreenPW - self.menuView.width;    self.showingChildVc.view.height = DJScrrenPH;    }// 当屏幕方向将会发生改变时调用此方法- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {        if (UIInterfaceOrientationIsLandscape(toInterfaceOrientation)) { // 横屏        [self updateSubViewFrameInLandscape];    } else { // 竖屏        [self updateSubViewsViewFrameInPortrait];    }        // 设置当前子控制器的View不拉伸    self.showingChildVc.view.autoresizingMask = UIViewAutoresizingNone;    }