iOS－QQ好友列表 iOS 页面间几种传值方式（属性，代理，block，单例，通知）
主要是 点击按钮实现下拉 刷新数据
页面间传值
// // HMFriendsModel.h // QQ好友列表 // // Created by YaguangZhu on 15/9/1. // Copyright (c) 2015年 YaguangZhu. All rights reserved. // #import <Foundation/Foundation.h> @interface HMFriendsModel : NSObject @property(nonatomic,copy) NSString *name; @property(nonatomic,copy) NSString *icon; @property(nonatomic,copy) NSString *intro; @property(nonatomic,assign,getter=isVip) BOOL vip ; - (instancetype)initWithDict:(NSDictionary *)dict; + (instancetype)friendsWithDict:(NSDictionary *)dict; //+ (NSArray *)friends; @end
//
// HMFriendsModel.m
// QQ好友列表
//
// Created by YaguangZhu on 15/9/1.
// Copyright (c) 2015年 YaguangZhu. All rights reserved.
//
#import "HMFriendsModel.h"
@implementation HMFriendsModel
- (instancetype)initWithDict:(NSDictionary *)dict
{
self = [super init];
if (self) {
[self setValuesForKeysWithDictionary:dict];
}
return self;
}
+ (instancetype)friendsWithDict:(NSDictionary *)dict
{
return [[self alloc] initWithDict:dict];
}
//+ (NSArray *)friends
//{
// NSArray *array = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"friends.plist" ofType:nil]];
// NSMutableArray *arrayM = [NSMutableArray array];
// for (NSDictionary *dict in array) {
// [arrayM addObject:[self friendsWithDict:dict]];
// }
//
// return arrayM;
//}
@end
// // HMFriendsGroupModel.h // QQ好友列表 // // Created by YaguangZhu on 15/9/1. // Copyright (c) 2015年 YaguangZhu. All rights reserved. // #import <Foundation/Foundation.h> @interface HMFriendsGroupModel : NSObject @property(nonatomic,strong) NSArray *friends; @property(nonatomic,copy) NSString *name; @property(nonatomic,assign) BOOL open; @property(nonatomic,assign) int online; - (instancetype)initWithDict:(NSDictionary *)dict; + (instancetype)friendsGroupWithDict:(NSDictionary *)dict; //+ (NSArray *)friendsModel; @end // // HMFriendsGroupModel.m // QQ好友列表 // // Created by YaguangZhu on 15/9/1. // Copyright (c) 2015年 YaguangZhu. All rights reserved. // #import "HMFriendsGroupModel.h" #import "HMFriendsModel.h" @implementation HMFriendsGroupModel - (instancetype)initWithDict:(NSDictionary *)dict { if (self = [super init]) { //注入所有值 [self setValuesForKeysWithDictionary:dict]; NSMutableArray *arr = [NSMutableArray array]; for (NSDictionary *dict in self.friends) { HMFriendsModel *model = [HMFriendsModel friendsWithDict:dict]; [arr addObject:model]; } self.friends = arr; } return self; // self = [super init]; // if (self) { // [self setValuesForKeysWithDictionary:dict]; // } // return self; } + (instancetype)friendsGroupWithDict:(NSDictionary *)dict { return [[self alloc] initWithDict:dict]; } //+ (NSArray *)friendsModel //{ // HMFriendsGroupModel *model =[[HMFriendsGroupModel alloc]init]; // NSMutableArray *arrayM = [NSMutableArray array]; // // for (NSDictionary *dict in model.friends) { // HMFriendsModel *model = [HMFriendsModel friendsWithDict:dict]; // // [arrayM addObject:model]; // } // model.friends =arrayM; // // return arrayM; //} @end
// // HMHeaderView.h // QQ好友列表 // // Created by YaguangZhu on 15/9/5. // Copyright (c) 2015年 YaguangZhu. All rights reserved. // #import <UIKit/UIKit.h> @class HMHeaderView; typedef void(^HMHeaderViewBlock)(id); @protocol HMHeaderViewDelegate <NSObject> @optional - (void)headerView:(HMHeaderView *)view; @end @class HMFriendsGroupModel; @interface HMHeaderView : UITableViewHeaderFooterView + (instancetype)headerViewWith:(UITableView *)tableview; @property (nonatomic, assign)id<HMHeaderViewDelegate> delegate; @property (nonatomic, strong)HMFriendsGroupModel *group; @property (nonatomic, copy)HMHeaderViewBlock block; @end // // HMHeaderView.m // QQ好友列表 // // Created by YaguangZhu on 15/9/5. // Copyright (c) 2015年 YaguangZhu. All rights reserved. // #import "HMHeaderView.h" #import "HMFriendsGroupModel.h" @interface HMHeaderView () @property (nonatomic, weak)UIButton *nameBtn; @property (nonatomic, weak)UILabel *textLbl; @end @implementation HMHeaderView + (instancetype)headerViewWith:(UITableView *)tableview { static NSString *ID = @"headerView"; //首先看缓存池中是否存在headerView，如果存在的 直接取出来用 HMHeaderView *header = [tableview dequeueReusableHeaderFooterViewWithIdentifier:ID]; if (header == nil) { //如果不存在 重新创建一个 header = [[HMHeaderView alloc]initWithReuseIdentifier:ID]; } return header; } - (void)setGroup:(HMFriendsGroupModel *)group { //1. 必须做的操作 _group = group; [self.nameBtn setTitle:group.name forState:UIControlStateNormal]; //显示在线人数 self.textLbl.text = [NSString stringWithFormat:@"%d/%d",group.online,group.friends.count]; } // 当headerview 上子控件只需 做一次操作的 或者 要显示出来的 就写在以下方法中 - (id)initWithReuseIdentifier:(NSString *)reuseIdentifier { if (self = [super initWithReuseIdentifier:reuseIdentifier]) { // Custom 相当 [[UIButton alloc]init]; UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom]; //btn 上面有一个imageView [btn setImage:[UIImage imageNamed:@"buddy_header_arrow"] forState:UIControlStateNormal]; [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; //设置按钮内容的居左显示 btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft; //设置按钮的内边距 btn.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0); //设置按钮 label 的 内边距 btn.titleEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0); //按钮内部 imageview 的内边距 // btn.imageEdgeInsets //居中显示 btn.imageView.contentMode = UIViewContentModeCenter; //不予许剪切超出部分 btn.imageView.clipsToBounds = NO; [btn addTarget:self action:@selector(nameBtnClick) forControlEvents:UIControlEventTouchUpInside]; [self addSubview:btn]; self.nameBtn = btn; NSLog(@"---------%@",NSStringFromCGRect(self.contentView.frame)); UILabel *lable = [[UILabel alloc]init]; //居右显示 lable.textAlignment = NSTextAlignmentRight; [self.contentView addSubview:lable]; self.textLbl = lable; } return self; } /** * 当 当前的view 的frame 发生一些改变的时候 调用次方法 重新布局 内部的子控件 */ - (void)layoutSubviews { self.nameBtn.frame = self.bounds; //获取屏幕的宽度 // CGFloat screenW = [[UIScreen mainScreen] bounds].size.width; CGFloat lblY = 0; CGFloat lblW = 150; CGFloat lblh = self.frame.size.height; CGFloat lblX = self.frame.size.width - lblW - 10; self.textLbl.frame = CGRectMake(lblX, lblY, lblW, lblh); } /** * 代理方法 */ - (void)nameBtnClick { self.group.open = !self.group.open; // if ([self.delegate respondsToSelector:@selector(headerView:)]) { // [self.delegate headerView:self]; // } // // // // // if (self.block) { // self.block(self); // } // [[NSNotificationCenter defaultCenter] postNotificationName:@"friend" object:self userInfo:nil]; NSLog(@"----------------"); } /** * 当 当前的view 加载到父控件的时候调用 */ - (void)didMoveToSuperview { //每次当控件加载到父控件的时候都会调用这个方法，包括init 完一次就会调用一次 if (self.group.open) { self.nameBtn.imageView.transform = CGAffineTransformMakeRotation(M_PI_2); NSLog(@"999999999"); }else{ self.nameBtn.imageView.transform = CGAffineTransformMakeRotation(0); } } @end
