tab 导航

1. pod ‘TYPagerController’

2. pod update

3. 使用

#import <UIKit/UIKit.h>
#import "TYTabPagerController.h"
@interface CreditRepayController : TYTabPagerController
@end

#import "CreditRepayController.h"
#import "MBProgressHUD+HWDHUDProgress.h"
#import "ProgressQueryController.h"

@interface CreditRepayController ()<TYTabPagerControllerDataSource,TYTabPagerControllerDelegate>
@property (nonatomic, weak) MBProgressHUD *hud;
@property(nonatomic,strong) NSArray * datas;
@end

@implementation CreditRepayController

- (void)viewDidLoad {
    [super viewDidLoad];  
    // Do any additional setup after loading the view.
    self.tabBar.layout.selectedTextColor = [UIColor orangeColor];
    self.tabBar.progressView.backgroundColor = [UIColor orangeColor];
    self.tabBar.layout.barStyle = TYPagerBarStyleProgressView;
    self.tabBar.layout.cellWidth = CGRectGetWidth(self.view.frame)/2;
    self.dataSource = self;
    self.delegate = self;
    [self loadData];
}

- (void)loadData {
    _datas = @[@"自己还",@"平台还"];
    // must call reloadData
    [self reloadData];
}

#pragma mark - TYTabPagerControllerDataSource

- (NSInteger)numberOfControllersInTabPagerController {
    return _datas.count;
}

- (UIViewController *)tabPagerController:(TYTabPagerController *)tabPagerController controllerForIndex:(NSInteger)index prefetching:(BOOL)prefetching {
    if (index%2 == 0) {
        UIViewController *VC = [[UIViewController alloc]init];      
        return VC;
    }else if (index%2 == 1) {
        UIViewController *VC = [[UIViewController alloc]init];
        return VC;
    }else {
        UIViewController *VC = [[UIViewController alloc]init];
        return VC;
    }
}

- (NSString *)tabPagerController:(TYTabPagerController *)tabPagerController titleForIndex:(NSInteger)index {
    NSString *title = _datas[index];
    return title;
}

@end

更新gem到最新版本，在终端中输入：sudo gem update –system

检查是否可以ping通github，在终端中输入:ping github.com

卸载pod方法：sudo gem uninstall cocoapods

安装pod方法;：gem install cocoapods