thmodel_ios_model/model/Classes/Controllers/NewFeature/ModelNewFeatureController.m

//
//  ModelNewFeatureController.m
//  model
//
//  Created by JuYi on 2018/7/18.
//  Copyright © 2018年 Mine. All rights reserved.
//  新特性

#import "ModelNewFeatureController.h"
#import "ModelRootViewController.h"
#import "ModelNavigationController.h"
#import "LoginViewController.h"
#import "SMPageControl.h"

#define newFeatrueImageCount 3

@interface ModelNewFeatureController ()<UIScrollViewDelegate>
@property (nonatomic, weak) SMPageControl *pageControll;
@property (nonatomic, weak) UIScrollView *scrollView;
@end

@implementation ModelNewFeatureController



- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.navigationController.navigationBar.hidden = YES;
}
- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    self.navigationController.navigationBar.hidden = NO;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = [UIColor whiteColor];
    [self setupScrollView];
    [self setupPageControl];      //圆点
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

//添加UIScrollView
- (void)setupScrollView {
    
    UIScrollView *scrollView = [[UIScrollView alloc] init];
    if (@available(iOS 11.0, *) ) {
        scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
    }else{
        self.automaticallyAdjustsScrollViewInsets = NO;
    }
    scrollView.frame = CGRectMake(0, 0, ScreenWidth, ScreenHeight);
    [self.view addSubview:scrollView];
    
    scrollView.delegate = self;
    
    //给scrollView 添加图片
    for (int i = 0; i < newFeatrueImageCount; i ++) {
        UIImageView *imageView = [[UIImageView alloc] init];
        imageView.frame = CGRectMake(ScreenWidth * i, 0, ScreenWidth, ScreenHeight);
        NSString *name = [NSString stringWithFormat:@"yindao%d",i + 1];
        [imageView setImage:[UIImage imageNamed:name]];
        [scrollView addSubview:imageView];
     
        //处理最后一个imageView
        if (i == newFeatrueImageCount - 1) {
            [self setupLastImageView:scrollView];
        }
        
    }
    //设定scrollView的contentSize和其他属性
    scrollView.contentSize = CGSizeMake(newFeatrueImageCount * ScreenWidth, ScreenHeight);
    scrollView.pagingEnabled  = YES;  //自动分页属性打开
    scrollView.bounces = NO;  //边缘的弹力拉伸效果 关闭
    scrollView.showsHorizontalScrollIndicator = NO; //水平方向的滚动条指示器关闭
    //    self.scrollView = scrollView;
    
}
//处理最后一个ImageView
- (void)setupLastImageView:(UIScrollView *)scrollView {
    //添加开始按钮
    UIButton *startButton = [UIButton buttonWithType:(UIButtonTypeSystem)];
    startButton.frame = CGRectMake( ScreenWidth * 2 + ScreenWidth / 2 - 75, ScreenHeight - (Height_TabBar_Safe) - 106, 150, 44);
    startButton.backgroundColor = RGBValueColor(0x4B93F5, 1.0);
    startButton.layer.cornerRadius = 22;
    startButton.clipsToBounds = YES;
    
    [startButton setTitle:@"立即开启" forState:(UIControlStateNormal)];
    [startButton setTitleColor:[UIColor whiteColor] forState:(UIControlStateNormal)];
    startButton.titleLabel.textAlignment = NSTextAlignmentCenter;
    startButton.titleLabel.font = [UIFont boldSystemFontOfSize:17];
    [scrollView addSubview:startButton];
    [startButton addTarget:self action:@selector(startUsing) forControlEvents:(UIControlEventTouchUpInside)];
    
}
//添加UIPageControl
- (void)setupPageControl {
    
    SMPageControl *pageControl = [[SMPageControl alloc] initWithFrame:CGRectMake(0.25 * ScreenWidth, ScreenHeight - 40 - (Height_TabBar_Safe), 0.5 * ScreenWidth, 30)];
    //    pageControl.backgroundColor = [UIColor redColor];
    pageControl.indicatorMargin = 8.0f;
    pageControl.indicatorDiameter = 7.0f;
    pageControl.numberOfPages = newFeatrueImageCount;
    [pageControl setCurrentPage:0];
    //    pageControl.center = CGPointMake(self.view.width * 0.5, self.view.height * 0.95);
    //设置pageControl的其他属性
    [pageControl setPageIndicatorTintColor:RGBValueColor(0xD3E6FF, 1.0)];
    [pageControl setCurrentPageIndicatorTintColor:RGBValueColor(0x4B93F5, 1.0)];
    
    //    [pageControl setPageIndicatorImage:[UIImage imageNamed:@"yindaoye-pagecontrol-yuan"]];
    //    [pageControl setCurrentPageIndicatorImage:[UIImage imageNamed:@"home_btn_Add to_sd"]];
    //   yindaoye-pagecontrol-fang
    [self.view addSubview:pageControl];
    self.pageControll = pageControl;
    
}

- (void)startUsing {
    
    
    NSUserDefaults *user = [NSUserDefaults standardUserDefaults];
    NSString *accid = [user objectForKey:@"accid"];
    NSString *token = [user objectForKey:@"token"];

    //如果有缓存用户名密码推荐使用自动登录
    if ([accid length] && [token length])
    {
        NIMAutoLoginData *loginData = [[NIMAutoLoginData alloc] init];
        loginData.account = accid;
        loginData.token = token;
        [Helper sharedAccount].accid = accid;
        [Helper sharedAccount].token = token;
        [[[NIMSDK sharedSDK] loginManager] autoLogin:loginData];
        
        ModelRootViewController *mineVc = [[ModelRootViewController alloc] init];
        UIApplication *application = [UIApplication sharedApplication];
        UIWindow *window = application.keyWindow;
        window.rootViewController = mineVc;
    }
    else
    {
        LoginViewController *loginController = [[LoginViewController alloc] init];
        UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:loginController];
        UIApplication *application = [UIApplication sharedApplication];
        UIWindow *window = application.keyWindow;
        window.rootViewController = nav;
    }
}

#pragma mark -----UIScrollViewDelegate

-(void)scrollViewDidScroll:(UIScrollView *)scrollView {
    CGFloat doublePage = scrollView.contentOffset.x/scrollView.mj_w;
    int intPage = (int)(doublePage + 0.5); //四舍五入
    self.pageControll.currentPage = intPage;
}

@end