Ipad UISplitViewController

Posted 2022-12-06 ZhangDreamK

这篇文章是关于一个ipad里面的视图控制器的用法

首先介绍下ipad我们用storyboard构建的界面

关于界面
1.拖UISplitViewController进入storyboard
有一点需要说明的是 关于UITextView UITextView是能自适应高度的滚动视图 我们构建界面时 只需要设置其离bottom得距离 它就会自动布局好里面的文字

tableView里面cell定制中Lable也是一样的只需要设置bottom的距离
以前就讲过关于自动生成jsonmodel 还有一点关于里面的小细节
第一：如果生成的属性名称和系统的名称有冲突
处理方法：pod yymodel.h 要修改的遵从yymodel协议
具体处理看代码：

//改之前
@property (nonatomic, copy) NSString *description;
//改之后
@property (nonatomic, copy) NSString *desc;

处理方法.m文件model中

// 关联属性和JSON的key
+ (NSDictionary *)modelCustomPropertyMapper

    return @@"desc" : @"description";

一定要在对应的模型中哦

第二：如果模型中还有数组
那我们应该对数组做处理 数组也会自动生成一个模型
在对它们做映射

//例子
@property (nonatomic, strong) NSArray *photos;

处理方法.m文件model中
// 关联属性和类
+ (NSDictionary *)modelContainerPropertyGenericClass

    return @@"photos" : [PhotosModel class];

//sdwebimage方法请求网络数据
#import <UIImageView+WebCache.h>

[self.iconImageView sd_setImageWithURL:[NSURL URLWithString:_model.iconUrl] placeholderImage:[UIImage imageNamed:@"favicon"]];

具体过程

master 页面
#import "MasterViewController.h"
#import "AppListCell.h"
#import "AppListModel.h"

#import <YYModel.h>
#import <AFNetworking.h>
#import <MJRefresh.h>

#define IDENTIFIER @"CELL"

@interface MasterViewController ()
- (IBAction)shareAction:(UIBarButtonItem *)sender;

@property (nonatomic, strong) NSMutableArray * dataSourceArray; // 数据源数组
@property (nonatomic, assign) NSInteger currentPage; // 记录当前请求页
@property (nonatomic, strong) AFHTTPSessionManager * sessionManager; // 网络请求对象

@end

@implementation MasterViewController


- (IBAction)shareAction:(UIBarButtonItem *)sender 
    // 创建ContentVC
    UIImagePickerController * pickerVC = [[UIImagePickerController alloc] init];
    pickerVC.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    pickerVC.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeSavedPhotosAlbum];

    // 创建UIPopoverController
    UIPopoverController * popoverVC = [[UIPopoverController alloc] initWithContentViewController:pickerVC];
    // 显示
    [popoverVC presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
    // 参数1：指定位置的Rect,在什么地方显示
//    [popoverVC presentPopoverFromRect:CGRectMake(50, 50, 200, 200) inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];


// 懒加载
- (NSMutableArray *)dataSourceArray

    if (!_dataSourceArray) 
        _dataSourceArray = [NSMutableArray array];
    
    return _dataSourceArray;


// 懒加载
- (AFHTTPSessionManager *)sessionManager

    if (!_sessionManager) 
        _sessionManager = [AFHTTPSessionManager manager];
        // 设置请求数据的格式
        // 返回数据格式的序列化，JSON、XML、二进制数据
//        // 二进制数据序列化
//        _sessionManager.responseSerializer = [AFHTTPResponseSerializer serializer];
//        // JSON数据序列化，默认方式
//        _sessionManager.responseSerializer = [AFJSONResponseSerializer serializer];
//        // XML数据序列化
//        _sessionManager.responseSerializer = [AFXMLParserResponseSerializer serializer];
        _sessionManager.responseSerializer.acceptableContentTypes = [_sessionManager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
    
    return _sessionManager;


- (void)viewDidLoad 
    [super viewDidLoad];

    // 配置UITableView
    // 要实现UITableViewCell自动计算行高，满足三个条件：
    // 1. ios 8
    // 2. 单元格中只有一个可变高度的视图
    // 3. 设置的视图约束，必须建立和父视图的上下约束

    // 设置2个步骤：
    // 1. 设置行高为：UITableViewAutomaticDimension
    self.tableView.rowHeight = UITableViewAutomaticDimension;
    // 2. 设置估算行高为不为0的值
    self.tableView.estimatedRowHeight = 100;

    __weak typeof(self) weakSelf = self;
    // 设置MJRefresh
    // 设置下拉刷新
    self.tableView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^
        weakSelf.currentPage = 1;
        [weakSelf requestWithPage:weakSelf.currentPage];
    ];
    // 设置上拉加载更多
    self.tableView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^
        weakSelf.currentPage++;
        [weakSelf requestWithPage:weakSelf.currentPage];
    ];

    // 首次请求
    [self.tableView.mj_header beginRefreshing];


// 请求数据
- (void)requestWithPage:(NSInteger)page

    __weak typeof(self) weakSelf = self;
    // 拼接请求地址
    NSString * appListURL = [NSString stringWithFormat:LimitFreeURL, page];
    // 通过AFHTTPSessionManager的GET方式请求数据
    [self.sessionManager GET:appListURL parameters:nil success:^(NSURLSessionDataTask *task, id responseObject) 
        // 请求数据成功
        // 首页数据
        if (page == 1) 
            // 移除数据源所有数据
            [weakSelf.dataSourceArray removeAllObjects];
        
        // 将新请求的数据添加到数据源中
        AppListModel * model = [AppListModel yy_modelWithJSON:responseObject];
        [weakSelf.dataSourceArray addObjectsFromArray:model.applications];
        // 刷新视图
        dispatch_async(dispatch_get_main_queue(), ^
            [weakSelf.tableView reloadData];
            // 停止刷新
            [weakSelf.tableView.mj_header endRefreshing];
            [weakSelf.tableView.mj_footer endRefreshing];
        );

     failure:^(NSURLSessionDataTask *task, NSError *error) 
        NSLog(@"error = %@", error.localizedDescription);
        if (page > 1) 
            weakSelf.currentPage--;
        
        // 回到主线程刷新视图
        dispatch_async(dispatch_get_main_queue(), ^
            // 停止刷新
            [weakSelf.tableView.mj_header endRefreshing];
            [weakSelf.tableView.mj_footer endRefreshing];
        );

    ];


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


#pragma mark - Table view data source

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section 
    return self.dataSourceArray.count;



- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
    AppListCell *cell = [tableView dequeueReusableCellWithIdentifier:IDENTIFIER forIndexPath:indexPath];
    // 获取数据模型
    ApplicationsModel * model = self.dataSourceArray[indexPath.row];
    cell.model = model;
    return cell;


#pragma mark - UITableViewDelegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

    // 获取选中单元格的数据
    ApplicationsModel * model = self.dataSourceArray[indexPath.row];
    // 发送通知
    [[NSNotificationCenter defaultCenter] postNotificationName:MasterToDetailNotification object:model.applicationId];







detail 页面
#import "DetailViewController.h"
#import "AppDetailModel.h"
#import <AFNetworking.h>
#import <UIImageView+WebCache.h>
// 等待加载框，菊花转
#import <MBProgressHUD.h>

@interface DetailViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *iconImageView;
@property (weak, nonatomic) IBOutlet UILabel *titleLabel;
@property (weak, nonatomic) IBOutlet UILabel *categoryLabel;
@property (weak, nonatomic) IBOutlet UILabel *descLabel;
@property (weak, nonatomic) IBOutlet UITextView *longDescLabel;

@property (nonatomic, strong) AFHTTPSessionManager * httpManager;
@property (nonatomic, strong) AppDetailModel * detailModel; // 应用详情
@property (nonatomic, copy) NSString * applicationID; // 应用ID

@end

@implementation DetailViewController

- (AFHTTPSessionManager *)httpManager

    if (!_httpManager) 
        _httpManager = [AFHTTPSessionManager manager];
        _httpManager.responseSerializer.acceptableContentTypes = [_httpManager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
    
    return _httpManager;


- (void)dealloc

    // 移除通知中心的观察者
    [[NSNotificationCenter defaultCenter] removeObserver:self];



- (void)viewDidLoad 
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateApplicationID:) name:MasterToDetailNotification object:nil];


- (void)updateApplicationID:(NSNotification *) notif

    self.applicationID = notif.object;
    // 取消NSOperationQueue中所有的操作
    [self.httpManager.operationQueue cancelAllOperations];
    // 请求数据
    [self requestAppDetail];


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


// 请求应用详情数据
- (void)requestAppDetail

    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    __weak typeof(self) weakSelf = self;
    // 拼接URL
    NSString * detailURL = [NSString stringWithFormat:AppDetailURL, self.applicationID];
    // 请求数据
    [self.httpManager GET:detailURL parameters:nil success:^(NSURLSessionDataTask *task, id responseObject) 
        // 将JSON数据转变为模型数据
        weakSelf.detailModel = [AppDetailModel yy_modelWithJSON:responseObject];
        // 回到主线程刷新视图
        dispatch_async(dispatch_get_main_queue(), ^
            [weakSelf updateUI];
            [MBProgressHUD hideHUDForView:self.view animated:YES];
        );

     failure:^(NSURLSessionDataTask *task, NSError *error) 
        NSLog(@"error = %@", error.localizedDescription);
    ];


- (void)updateUI

    [self.iconImageView sd_setImageWithURL:[NSURL URLWithString:self.detailModel.iconUrl] placeholderImage:[UIImage imageNamed:@"favicon"]];
    self.titleLabel.text = self.detailModel.name;
    self.categoryLabel.text = self.detailModel.categoryName;
    self.descLabel.text = self.detailModel.desc;
    self.longDescLabel.text = self.detailModel.description_long;