IOS开源项目Coding学习笔记(3)：注册界面RegisterViewController

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- (void)registerBtnClicked{
    RegisterViewController *vc = [[RegisterViewController alloc] init];
    UINavigationController *nav = [[BaseNavigationController alloc] initWithRootViewController:vc];
    [self presentViewController:nav animated:YES completion:nil];
}

1、整个界面组成：

1.1、NavigationBar

-(void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    [self.navigationController setNavigationBarHidden:NO animated:YES];
    
}

1.2、TPKeyboardAvoidingTableView -- 开源控件

https://github.com/michaeltyson/TPKeyboardAvoiding

2、tableView 的 footerView

- (UIView *)customFooterView{
    UIView *footerV = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, 150)];
    _footerBtn = [UIButton buttonWithStyle:StrapSuccessStyle andTitle:@"立即体验" andFrame:CGRectMake(kLoginPaddingLeftWidth, 20, kScreen_Width-kLoginPaddingLeftWidth*2, 45) target:self action:@selector(sendRegister)];
    [footerV addSubview:_footerBtn];  //buttonWithStyle定制了一些通用的按钮
             //主要是ReactiveCocoa的使用，暂时我也不是很明白，但是挺重要的，很多人在用，我在下面列了一些参考         //文章
    RAC(self, footerBtn.enabled) = [RACSignal combineLatest:@[RACObserve(self, myRegister.email), RACObserve(self, myRegister.global_key), RACObserve(self, myRegister.j_captcha), RACObserve(self, captchaNeeded)] reduce:^id(NSString *email, NSString *global_key, NSString *j_captcha, NSNumber *captchaNeeded){
        if ((captchaNeeded && captchaNeeded.boolValue) && (!j_captcha || j_captcha.length <= 0)) {
            return @(NO);
        }else{
            return @((email && email.length > 0) && (global_key && global_key.length > 0));
        }
    }];
    
    //基于网上的一个开源库https://github.com/TTTAttributedLabel/TTTAttributedLabel
    UITTTAttributedLabel *lineLabel = ({
        UITTTAttributedLabel *label = [[UITTTAttributedLabel alloc] init];
        label.textAlignment = NSTextAlignmentCenter;
        label.font = [UIFont systemFontOfSize:12];
        label.textColor = [UIColor colorWithHexString:@"0x999999"];
        label.numberOfLines = 0;
        label.linkAttributes = kLinkAttributes;
        label.activeLinkAttributes = kLinkAttributesActive;
        label.delegate = self;
        label;
    });
    NSString *tipStr = @"点击立即体验，即表示同意《coding服务条款》";
    lineLabel.text = tipStr;
    [lineLabel addLinkToTransitInformation:@{@"actionStr" : @"gotoServiceTermsVC"} withRange:[tipStr rangeOfString:@"《coding服务条款》"]];
    
    CGRect footerBtnFrame = _footerBtn.frame;
    lineLabel.frame = CGRectMake(CGRectGetMinX(footerBtnFrame), CGRectGetMaxY(footerBtnFrame) +12, CGRectGetWidth(footerBtnFrame), 12);
    [footerV addSubview:lineLabel];
    
    return footerV;
}

3、

点击《coding服务条款》进入一个webView界面，下一篇会分析下这个webView界面

#pragma mark VC
- (void)gotoServiceTermsVC{
    NSString *pathForServiceterms = [[NSBundle mainBundle] pathForResource:@"service_terms" ofType:@"html"];
    WebViewController *vc = [WebViewController webVCWithUrlStr:pathForServiceterms];
    [self.navigationController pushViewController:vc animated:YES];
}

4、ReactiveCocoa 这个也是很火的一个开源框架

参考文章：

http://benbeng.leanote.com/post/ReactiveCocoaTutorial-part2

http://limboy.me/ios/2013/12/27/reactivecocoa-2.html

http://www.jianshu.com/p/1fc8c809e2c0

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