废话不多说直接上代码：
这个功能应该是挺常见的, 一个tableview到另一个tableview, 类似segment的一个东西, 我把它封装起来了:
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
//// viewcontroller.m////// created by 高雅馨 on 16/6/3.// copyright © 2016年 高雅馨. all rights reserved.//#import "dcnavtabbarcontroller.h"#import "htmacro.h"@interface dcnavtabbarcontroller ()<uiscrollviewdelegate>@property (nonatomic, weak) uibutton *oldbtn;@property(nonatomic,strong) nsarray *vcarr;@property (nonatomic, weak) uiscrollview *contentview;@property (nonatomic, weak) uiscrollview *topbar;@property(nonatomic,assign) cgfloat btnw ;@property (nonatomic, weak) uiview *slider;@end@implementation dcnavtabbarcontroller-(uicolor *)slidercolor{ if(_slidercolor == nil) { _slidercolor = [uicolor colorwithred:1.00 green:0.36 blue:0.25 alpha:1.00]; } return _slidercolor;}-(uicolor *)btntextnomalcolor{ if(_btntextnomalcolor == nil) { _btntextnomalcolor = [uicolor colorwithwhite:0.205 alpha:1.000]; } return _btntextnomalcolor;}-(uicolor *)btntextseletedcolor{ if(_btntextseletedcolor == nil) { _btntextseletedcolor = [uicolor colorwithred:1.00 green:0.36 blue:0.25 alpha:1.00]; } return _btntextseletedcolor;}-(uicolor *)topbarcolor{ if(_topbarcolor == nil) { _topbarcolor = [uicolor whitecolor]; } return _topbarcolor;}-(instancetype)initwithsubviewcontrollers:(nsarray *)subviewcontrollers{ if(self = [super init]) { _vcarr = subviewcontrollers; } return self;}- (void)viewdidload { [super viewdidload]; //添加上面的导航条 [self addtopbar]; //添加子控制器 [self addvcview]; //添加滑块 [self addsliderview];}-(void)addsliderview{ if(self.vcarr.count == 0) return; uiview *slider = [[uiview alloc]initwithframe:cgrectmake(25,41,self.btnw - 50, 3)]; slider.backgroundcolor = self.slidercolor; [self.topbar addsubview:slider]; self.slider = slider;}-(void)addtopbar{ if(self.vcarr.count == 0) return; nsuinteger count = self.vcarr.count; uiscrollview *scrollview = [[uiscrollview alloc]initwithframe:cgrectmake(0, 0, screen_width, 44)]; scrollview.backgroundcolor = self.topbarcolor; self.topbar = scrollview; self.topbar.bounces = no; [self.view addsubview:self.topbar]; if(count <= 5) { self.btnw = screen_width / count; } else { self.btnw = screen_width / 5.0; } //添加button for (int i = 0; i<count; i++) { uiviewcontroller *vc = self.vcarr[i]; uibutton *btn = [[uibutton alloc]initwithframe:cgrectmake(i*self.btnw, 0, self.btnw, 44)]; btn.titlelabel.font = [uifont systemfontofsize:15]; btn.titlelabel.numberoflines = 0; btn.titlelabel.textalignment = 1; btn.tag = 10000+i; [btn settitlecolor:self.btntextnomalcolor forstate:uicontrolstatenormal]; [btn settitlecolor:self.btntextseletedcolor forstate:uicontrolstateselected]; [btn settitle:vc.title forstate:uicontrolstatenormal]; [btn addtarget:self action:@selector(click:) forcontrolevents:uicontroleventtouchupinside]; [self.topbar addsubview:btn]; if(i == 0) { btn.selected = yes; self.oldbtn = btn; }} self.topbar.contentsize = cgsizemake(self.btnw *count, -64);}-(void)addvcview{ uiscrollview *contentview = [[uiscrollview alloc]initwithframe:cgrectmake(0, 0+44, screen_width, screen_height -44)]; self.contentview = contentview; self.contentview.bounces = no; contentview.delegate = self; contentview.backgroundcolor = [uicolor colorwithwhite:0.859 alpha:1.000]; [self.view addsubview:contentview]; nsuinteger count = self.vcarr.count; for (int i=0; i<count; i++) { uiviewcontroller *vc = self.vcarr[i]; [self addchildviewcontroller:vc]; vc.view.frame = cgrectmake(i*screen_width, 0, screen_width, screen_height -44); [contentview addsubview:vc.view]; } contentview.contentsize = cgsizemake(count*screen_width, screen_height - 44); contentview.pagingenabled = yes;}-(void)click:(uibutton *)sender{ if(sender.selected) return; self.oldbtn.selected = no; sender.selected = yes; self.contentview.contentoffset = cgpointmake((sender.tag - 10000) *screen_width, 0); self.oldbtn.transform = cgaffinetransformidentity; self.oldbtn = sender; //判断导航条是否需要移动 cgfloat maxx = cgrectgetmaxx(self.slider.frame); if(maxx >=screen_width && sender.tag != self.vcarr.count + 10000 - 1) { [uiview animatewithduration:0.3 animations:^{ self.topbar.contentoffset = cgpointmake(maxx - screen_width + self.btnw, -64); }]; }else if(maxx < screen_width) { [uiview animatewithduration:0.3 animations:^{ self.topbar.contentoffset = cgpointmake(0, 0); }]; }}-(void)scrollviewdidscroll:(uiscrollview *)scrollview{ //滑动导航条 self.slider.frame = cgrectmake(scrollview.contentoffset.x / screen_width *self.btnw + 25 , 41, self.btnw - 50, 3);}//判断是否切换导航条按钮的状态-(void)scrollviewdidenddecelerating:(uiscrollview *)scrollview{ cgfloat offx = scrollview.contentoffset.x; int tag = (int)(offx /screen_width + 0.5) + 10000; uibutton *btn = [self.view viewwithtag:tag]; if(tag != self.oldbtn.tag) { [self click:btn]; }}- (void)didreceivememorywarning { [super didreceivememorywarning];}@end |
这个很容易看懂的, 是不是, 就不在这里多解释.
上面这张呢, 则是把导航栏隐藏, 自定义一个小uiview截取网络图片作为导航栏, 又自定义一个大view作为tableview头视图.并且我还运用了观察者注册消息通知, 代码有点长, 不过我写注释了哦, 可以看懂的.
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
//// bookmarksviewcontroller.m// hottopic//// created by dllo on 16/9/7.// copyright © 2016年 高雅馨. all rights reserved.//#import "bookmarksviewcontroller.h"#import "htmacro.h"#import "uiview+extension.h"#import "booktableviewcell.h"#import "essayviewcontroller.h"#import "subscriberviewcontroller.h"#import "umsocial.h"#import "dcnavtabbarcontroller.h"#import "uiimageview+webcache.h"#import "afnetworking.h"#import "hottopicsmodel.h"#import "topicmodel.h"#import "nodemodel.h"#import "usermodel.h"#import "source.h"#import "disposeviewcontroller.h"#import "headimageview.h"static cgfloat const headviewheight = 280;@interface bookmarksviewcontroller ()<uitableviewdelegate,uitableviewdatasource>@property (nonatomic, strong) booktableviewcell * maintableview;@property (nonatomic, strong) headimageview * headimageview;//头部图片@property (nonatomic, strong) uiimageview * avatarimage;@property (nonatomic, strong) uilabel * countentlabel;@property (nonatomic, strong) uiimageview *img;@property (nonatomic, strong) hottopicsmodel *hottopic;@property (nonatomic, strong) uilabel *titlelabel;@property (nonatomic, assign) bool canscroll;@property (nonatomic, assign) bool istopiscannotmovetabview;@property (nonatomic, assign) bool istopiscannotmovetabviewpre;@property (nonatomic, strong) uiview *barview;@property (nonatomic, strong) uilabel *titletext;@end@implementation bookmarksviewcontroller@synthesize maintableview;- (void)viewwillappear:(bool)animated { [super viewwillappear:animated]; [self.navigationcontroller setnavigationbarhidden:yes];}- (void)viewdidload { [super viewdidload];// 这个api功能就是在navigationcontroller堆栈内的uiviewcontroller可以支持右滑手势，也就是不用点击右上角的返回按钮，轻轻在屏幕左边一滑，屏幕就会返回，随着ios设备屏幕的增大，这个小功能让手指短，拇指大和手残人士看到了福音。 self.navigationcontroller.interactivepopgesturerecognizer.delegate = (id)self; [self.navigationcontroller setnavigationbarhidden:yes]; self.automaticallyadjustsscrollviewinsets = no; [self.view addsubview:self.maintableview]; // 设置tableview头视图 self.maintableview.tableheaderview = self.headimageview; // 将导航栏隐藏使其变为透明 [self.navigationcontroller.navigationbar setbackgroundimage:[uiimage new] forbarmetrics:uibarmetricsdefault]; // 将导航栏那条黑线隐藏 [self.navigationcontroller.navigationbar setshadowimage:[uiimage new]]; /** 观察者注册消息通知 */ [[nsnotificationcenter defaultcenter] addobserver:self selector:@selector(leavetop:) name:@"leavetop" object:nil]; [self creatview];}// 把导航栏写成自定义view- (void)creatview { _barview = [[uiview alloc] initwithframe:cgrectmake(0, 0, screen_width, 64)]; uibutton *backbutton = [uibutton buttonwithtype:uibuttontypecustom]; backbutton.frame = cgrectmake(10, 30, 30, 30); [backbutton setimage:[uiimage imagenamed:@"backbar"] forstate:uicontrolstatenormal]; [backbutton addtarget:self action:@selector(clickbackbtn:) forcontrolevents:uicontroleventtouchupinside]; uibutton *sharebtn = [uibutton buttonwithtype:uibuttontypecustom]; sharebtn.frame = cgrectmake(screen_width - 50, 30, 30, 30); [sharebtn setimage:[uiimage imagenamed:@"sharebar"] forstate:uicontrolstatenormal]; [sharebtn addtarget:self action:@selector(clicksharebtn:) forcontrolevents:uicontroleventtouchupinside]; _titletext = [[uilabel alloc] initwithframe:cgrectmake(50, 30, screen_width - 100, 30)]; _titletext.text = @"收藏夹"; _titletext.textalignment = 1; _titletext.textcolor = [uicolor whitecolor]; // 毛玻璃效果 uiblureffect *blur = [uiblureffect effectwithstyle:uiblureffectstyleextralight]; uivisualeffectview *effectview = [[uivisualeffectview alloc] initwitheffect:blur]; effectview.backgroundcolor = [uicolor colorwithwhite:0.508 alpha:1.000]; effectview.alpha = 0.65; effectview.frame = cgrectmake(0, 0, screen_width, 64); [_barview addsubview:effectview]; [_barview addsubview:backbutton]; [_barview addsubview:sharebtn]; [_barview addsubview:_titletext]; [self.view addsubview:_barview];}/** * notificationobserver 观察者 : self * notificationselector 处理消息的方法名: getuserprofilesuccess * notificationname 消息通知的名字: notification_getuserprofilesuccess * notificationsender 消息发送者 : 表示接收哪个发送者的通知，如果第四个参数为nil,接收所有发送者的通知 */- (void)leavetop:(nsnotification *)notification{ nsdictionary *userinfo = notification.userinfo; nsstring *canscroll = userinfo[@"canscroll"]; if ([canscroll isequaltostring:@"1"]) { _canscroll = yes; }}/** 将自定义view的背景图设置tableview头视图的背景图*/- (uiimage *)clipimageinoffsety:(cgfloat)y{ if (_headimageview.image == nil) { return [uiimage new]; } cgrect rect = cgrectmake(0, y, screen_width, 64); cgimageref imageref = cgimagecreatewithimageinrect([_headimageview.image cgimage], rect); self.blurview.frame = cgrectmake(0, 0, screen_width, 64); self.blurview.alpha = 0.7; [self.navigationcontroller.navigationbar addsubview:_blurview]; uiimage *thumbscale = [uiimage imagewithcgimage:imageref]; return thumbscale;}// 用scrollview的偏移量来判断- (void)scrollviewdidscroll:(uiscrollview *)scrollview{ cgfloat yoffset = scrollview.contentoffset.y; if (yoffset >= _headimageview.height - 64) { yoffset = _headimageview.height - 64; } uiimage *image = [self clipimageinoffsety:yoffset]; _barview.backgroundcolor = [uicolor colorwithpatternimage:image]; //获取滚动视图y值的偏移量 self.navigationcontroller.navigationbar.alpha = (headviewheight+yoffset)/(headviewheight-64); cgfloat taboffsety = [maintableview rectforsection:0].origin.y - 64.0f; cgfloat offsety = scrollview.contentoffset.y; _istopiscannotmovetabviewpre = _istopiscannotmovetabview; if (offsety >= taboffsety) { //不能滑动 scrollview.contentoffset = cgpointmake(0, taboffsety); _istopiscannotmovetabview = yes; _titletext.text = self.urltitle; }else{ //可以滑动 _istopiscannotmovetabview = no; _titletext.text = @"收藏夹"; } if (_istopiscannotmovetabview != _istopiscannotmovetabviewpre) { if (!_istopiscannotmovetabviewpre && _istopiscannotmovetabview) { [[nsnotificationcenter defaultcenter] postnotificationname:@"gotop" object:nil userinfo:@{@"canscroll":@"1"}]; _canscroll = no; } if(_istopiscannotmovetabviewpre && !_istopiscannotmovetabview){ if (!_canscroll) { scrollview.contentoffset = cgpointmake(0, taboffsety); } } }}// 头视图- (uiimageview *)headimageview{ if (_headimageview == nil) { _headimageview = [[headimageview alloc]initwithframe:cgrectmake(0, 0,screen_width,headviewheight)]; _headimageview.userinteractionenabled = yes; [_headimageview sd_setimagewithurl:[nsurl urlwithstring:self.urlheadimg] placeholderimage:[uiimage imagenamed:@"touxiang"]completed:^(uiimage *image, nserror *error, sdimagecachetype cachetype, nsurl *imageurl) { }]; uiblureffect *blur = [uiblureffect effectwithstyle:uiblureffectstyleextralight]; uivisualeffectview *effectview = [[uivisualeffectview alloc] initwitheffect:blur]; effectview.backgroundcolor = [uicolor colorwithwhite:0.508 alpha:1.000]; effectview.alpha = 0.7; effectview.frame = cgrectmake(0, 0, screen_width, headviewheight); [_headimageview addsubview:effectview]; self.navigationcontroller.hidesbarsonswipe = no; _avatarimage = [[uiimageview alloc] initwithframe:cgrectmake(20, 20 + 64, screen_width / 3.3, screen_width / 3.3)]; [_headimageview addsubview:_avatarimage]; _avatarimage.userinteractionenabled = yes; _avatarimage.layer.maskstobounds = yes; [ _avatarimage sd_setimagewithurl:[nsurl urlwithstring:self.urlheadimg] placeholderimage:[uiimage imagenamed:@"detailviewdefaultmidimage"]]; _countentlabel = [[uilabel alloc] initwithframe:cgrectmake(_avatarimage.frame.size.width + 40, 20 + 64, screen_width - (screen_width / 3 + 20 + 10), _avatarimage.frame.size.height / 4)]; _countentlabel.font = [uifont systemfontofsize:15]; _countentlabel.textcolor = [uicolor whitecolor]; _countentlabel.linebreakmode = nslinebreakbywordwrapping; _countentlabel.numberoflines = 0; _countentlabel.text = self.urltitle; [_headimageview addsubview:_countentlabel]; _img = [[uiimageview alloc] initwithframe:cgrectmake(_countentlabel.frame.origin.x, _countentlabel.frame.size.height + _avatarimage.frame.origin.y + 10, 30, 30)]; _img.layer.cornerradius = 15; _img.layer.maskstobounds = yes; _img.backgroundcolor = [uicolor yellowcolor]; [_headimageview addsubview:_img]; _titlelabel = [[uilabel alloc] initwithframe:cgrectmake(_img.frame.size.width + _img.frame.origin.x + 5, _img.frame.origin.y, screen_width / 1.9 , 30)]; _titlelabel.textcolor = [uicolor whitecolor]; _titlelabel.linebreakmode = nslinebreakbywordwrapping; _titlelabel.numberoflines = 0; _titlelabel.font = [uifont systemfontofsize:12]; [_headimageview addsubview:_titlelabel]; uilabel *contextlabel = [[uilabel alloc] initwithframe:cgrectmake(_img.frame.origin.x , _img.frame.origin.y + _img.frame.size.height + 6, screen_width / 2 , screen_width / 8)]; contextlabel.textcolor = [uicolor whitecolor]; contextlabel.text = self.urlcontect; contextlabel.linebreakmode = nslinebreakbywordwrapping; contextlabel.numberoflines = 0; contextlabel.font = [uifont systemfontofsize:12]; [_headimageview addsubview:contextlabel]; uibutton *takebtn = [uibutton buttonwithtype:uibuttontypesystem]; takebtn.frame = cgrectmake(_img.frame.origin.x - 20 , contextlabel.frame.size.height + contextlabel.frame.origin.y + 10, screen_width / 4, _avatarimage.frame.size.height / 3.2); [takebtn settitle:@"＋ 订阅" forstate:uicontrolstatenormal]; [takebtn settitlecolor:[uicolor whitecolor] forstate:uicontrolstatenormal]; takebtn.backgroundcolor = [uicolor colorwithred:1.00 green:0.36 blue:0.25 alpha:1.00]; takebtn.titlelabel.font = [uifont systemfontofsize:14]; takebtn.layer.cornerradius = 10; [_headimageview addsubview:takebtn]; uibutton *contributebtn = [uibutton buttonwithtype:uibuttontypesystem]; contributebtn.frame = cgrectmake(takebtn.frame.origin.x + takebtn.frame.size.width + 5, contextlabel.frame.size.height + contextlabel.frame.origin.y + 10, screen_width / 8, _avatarimage.frame.size.height / 3.2); [contributebtn settitle:@"投稿" forstate:uicontrolstatenormal]; [contributebtn settitlecolor:[uicolor whitecolor] forstate:uicontrolstatenormal]; contributebtn.layer.borderwidth = 1.0; contributebtn.titlelabel.font = [uifont systemfontofsize:14]; contributebtn.layer.bordercolor = [uicolor whitecolor].cgcolor; contributebtn.layer.cornerradius = 5; [_headimageview addsubview:contributebtn]; uibutton *managelabel = [[uibutton alloc] initwithframe:cgrectmake(contributebtn.frame.size.width + contributebtn.frame.origin.x, contributebtn.frame.origin.y + 5, screen_width / 5 , 30)]; [managelabel settitlecolor:[uicolor whitecolor] forstate:uicontrolstatenormal]; [managelabel settitle:@"0未处理☞" forstate:uicontrolstatenormal]; managelabel.titlelabel.textalignment = 0; managelabel.titlelabel.font = [uifont systemfontofsize:12]; [managelabel addtarget:self action:@selector(clickmanagebtn:) forcontrolevents:uicontroleventtouchupinside]; [_headimageview addsubview:managelabel]; } return _headimageview;}// 大tableview-(uitableview *)maintableview{ if (maintableview == nil) { maintableview= [[booktableviewcell alloc]initwithframe:cgrectmake(0, 0, screen_width,screen_height)]; maintableview.delegate = self; maintableview.datasource=self; maintableview.bounces = no; maintableview.separatorstyle = uitableviewcellseparatorstylenone; maintableview.showsverticalscrollindicator = no; maintableview.backgroundcolor = [uicolor clearcolor]; maintableview.rowheight = screen_height; } return maintableview;}#pragma marl -tabledelegate- (nsinteger)numberofsectionsintableview:(uitableview *)tableview{ return 1;}- (nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section{ return 1;}- (cgfloat)tableview:(uitableview *)tableview heightforrowatindexpath:(nsindexpath *)indexpath{ return screen_height;}- (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath{ uitableviewcell *cell = [[uitableviewcell alloc] initwithstyle:uitableviewcellstyledefault reuseidentifier:nil]; cell.selectionstyle = uitableviewcellselectionstylenone; //添加pageview [cell.contentview addsubview:self.setpageviewcontrollers]; return cell;}// 调用两个小vc-(uiview *)setpageviewcontrollers{ essayviewcontroller *essay = [[essayviewcontroller alloc] init]; essay.urlstr = self.urlstr; essay.title = [nsstring stringwithformat:@"文章\n%@", self.articlecount]; subscriberviewcontroller *subscribe = [[subscriberviewcontroller alloc] init]; subscribe.urlstr = self.urlstr; subscribe.title = [nsstring stringwithformat:@"订阅者\n%@", self.subscribercount]; nsarray *subviewcontrollers=@[essay, subscribe]; dcnavtabbarcontroller *tabbarvc = [[dcnavtabbarcontroller alloc]initwithsubviewcontrollers:subviewcontrollers]; tabbarvc.view.frame = cgrectmake(0, 0, screen_width, screen_height); [self.view addsubview:tabbarvc.view]; [self addchildviewcontroller:tabbarvc]; return tabbarvc.view;}@end |
写到这里, 就完成了, 下面让我们来看一下成果吧!
是不是特别棒呢, 喜欢的话就来试试看吧!
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.jianshu.com/p/825fc83fc311
