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山寨QQ音乐的布局（二）终于把IOS6的UITableView拍扁了
作者：佚名 IOS开发编辑：admin 更新时间：2022-07-23
IOS应用开发中UITableView的应用十分广泛，但是IOS7神一样的把UITableView拍扁了，这样一来IOS6的UITableView不干了，就吵着也要被拍扁，那好吧我今天就成全了你。。。
继上回书说道初步实现了一个QQ音乐的框架，但这远远不够，我是一个追求细节的人（就像锤子科技的老罗一样），怎么可能就这就结束了呢，下一步实现以下登陆的ModalView，比较简单没啥可说的直接上代码：
1 UIColor *normalColor = [UIColor colorWithRed:28/255.0 green:191/255.0 blue:97/255.0 alpha:1]; //按钮默认状态的绿色
2 UIColor *selectedColor = [UIColor colorWithRed:185/255.0 green:227/255.0 blue:214/255.0 alpha:1]; //按钮点击状态的淡绿色
3 CGFloat navigationY = 0;
4 if (IOS_7) {
5 navigationY = 20;
6 }
7
8
9 UINavigationBar *loginNavigationBar = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, navigationY, 320, 44)]; //UINavigationBar的位置
10 UIButton *cancelButton = [UIButton buttonWithType:UIButtonTypeSystem];
11 [cancelButton setFrame:CGRectMake(0, 0, 40, 40)];
12 [cancelButton setTitle:@"取消" forState:UIControlStateNormal];
13 [cancelButton setTitleColor:normalColor forState:UIControlStateNormal];
14 [[cancelButton titleLabel] setFont:[UIFont systemFontOfSize:18]];
15 [cancelButton setTitleColor:selectedColor forState:UIControlStateHighlighted];
16 [cancelButton addTarget:self action:@selector(dismissView) forControlEvents:UIControlEventTouchUpInside];
17 UIBarButtonItem *cancelItem = [[UIBarButtonItem alloc] initWithCustomView:cancelButton]; //初始化取消按钮
18
19
20 UIButton *loginButton = [UIButton buttonWithType:UIButtonTypeSystem];
21 [loginButton setFrame:CGRectMake(0, 0, 40, 40)];
22 [loginButton setTitle:@"登陆" forState:UIControlStateNormal];
23 [loginButton setTitleColor:normalColor forState:UIControlStateNormal];
24 [[loginButton titleLabel] setFont:[UIFont systemFontOfSize:18]];
25 [loginButton setTitleColor:selectedColor forState:UIControlStateHighlighted];
26 [loginButton addTarget:self action:@selector(loginAction) forControlEvents:UIControlEventTouchUpInside];
27 UIBarButtonItem *loginItem = [[UIBarButtonItem alloc] initWithCustomView:loginButton]; //初始化登陆按钮
28
29 UIImage *image = [UIImage imageNamed:@"input_login_line"];
30
31 UIImageView *userLineView = [[UIImageView alloc] initWithImage:image];
32 UIImageView *passWordLineView = [[UIImageView alloc] initWithImage:image]; //输入框下面的绿线
33
34 UITextField *userTextField = [[UITextField alloc] initWithFrame:CGRectMake(30, 100+navigationY, 260, 30)];
35 [userTextField setPlaceholder:@"QQ号/手机/邮箱"];
36 [userTextField setClearButtonMode:UITextFieldViewModeWhileEditing];
37 [userTextField setKeyboardType:UIKeyboardTypeNumbersAndPunctuation];
38 [userTextField setReturnKeyType:UIReturnKeyNext];
39 [userLineView setFrame:CGRectMake(30, 131+navigationY, 260, 1)];
40
41 UITextField *passwordTextField = [[UITextField alloc] initWithFrame:CGRectMake(30, 140+navigationY, 260, 30)];
42 [passwordTextField setPlaceholder:@"密码"];
43 [passwordTextField setClearButtonMode:UITextFieldViewModeWhileEditing];
44 [passwordTextField setKeyboardType:UIKeyboardTypeASCIICapable];
45 [passwordTextField setReturnKeyType:UIReturnKeyDone];
46 [passwordLineView setFrame:CGRectMake(30, 171+navigationY, 260, 1)];
47
48 UILabel *regStr = [[UILabel alloc] initWithFrame:CGRectMake(75, 180+navigationY, 110, 30)];
49 [regStr setText:@"没有账号？点击这里"];
50 [regStr setFont:[UIFont systemFontOfSize:12]];
51 [regStr setTextColor:[UIColor darkGrayColor]];
52 UILabel *greenStr = [[UILabel alloc] initWithFrame:CGRectMake(184, 180+navigationY, 60, 30)];
53 [greenStr setText:@"快速注册"];
54 [greenStr setFont:[UIFont systemFontOfSize:12]];
55 [greenStr setTextColor:normalColor];
56
57 UINavigationItem *navigationItem = [[UINavigationItem alloc] initWithTitle:@"登陆"];
58 [navigationItem setLeftBarButtonItem:cancelItem];
59 [navigationItem setRightBarButtonItem:loginItem];
60 [loginNavigationBar pushNavigationItem:navigationItem animated:YES];
61
62
63
64 [self.view addSubview:loginNavigationBar];
65 [self.view addSubview:userTextField];
66 [self.view addSubview:userLineView];
67 [self.view addSubview:passwordTextField];
68 [self.view addSubview:passwordLineView];
69 [self.view addSubview:regStr];
70 [self.view addSubview:greenStr];
总结起来就是一个UINavigationBar，UINavigationBar上面有两个按钮，两个UITextField。只得说的事这个按钮，IOS7中把按钮的衣服扒掉了，这就直接导致我也要让IOS6的按钮也裸奔：
1 [[UINavigationBar appearance] setBackgroundImage:[UIImage imageWithColor:[UIColor whiteColor] size:CGSizeMake(1, 44)] forBarMetrics:UIBarMetricsDefault];
好了然后就没什么特别的了改改UITextField关联的键盘字体大小颜色什么的，效果图如下：
下面就是硬菜了，QQ音乐的界面UITableView采用的是UITableViewStyleGrouped类型的，但是在IOS6下UITableView有一个讨厌的灰不拉几的背景，我要把背景变为白色，使用如下代码：
1 [tableView setBackgroundColor:[UIColor whiteColor]]; 2 [tableView setBackgroundView:nil];
这样UITableView在IOS6中那讨厌的背景就没有了，但是UITableViewCell默认是圆角的很恶心，干掉：
1 UIView *tempView = [[UIView alloc] init]; 2 [cell setBackgroundView:tempView];
还要去掉cell点击时的圆角：
1 cell.selectedBackgroundView = [[UIView alloc] initWithFrame:cell.frame]; 2 cell.selectedBackgroundView.backgroundColor = [UIColor lightGrayColor];
这里可以不用设置颜色的，而且现在这个颜色挺难看的，我还要继续修改
还有个问题IOS6的UITableViewCell默认不是与屏幕同宽的，需要自定义一个UItableViewCell复写 layoutSubviews 方法，代码如下：
1 - (void) layoutSubviews {
2 [super layoutSubviews];
3 self.backgroundView.frame = CGRectMake(0, 0, 320, 44);
4 self.selectedBackgroundView.frame = CGRectMake(0, 0, 320, 44);
5 }
好了这样初步的适配完了，当然还有细节没有做到，继续学习吧，下面是我的音乐视图控制器的完整代码:
1 //
2 // MyMusicViewController.m
3 // QQMusic
4 //
5 // Created by 赵 福成 on 14-5-21.
6 // Copyright (c) 2014年 ZhaoFucheng. All rights reserved.
7 //
8
9 #import "MyMusicViewController.h"
10 #import "UIImage+CustomPureColor.h"
11 #import "UIButton+CustomButton.h"
12 #import "LoginViewController.h"
13 #import "CustomTableViewCell.h"
14 #define IOS_7 ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)
15 @interface MyMusicViewController ()
16
17 @end
18
19 @implementation MyMusicViewController
20
21 NSArray *mainScreenCells;
22 NSArray *details;
23 NSArray *icon;
24 NSArray *iconSelected;
25
26 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
27 {
28 self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
29 if (self) {
30 // Custom initialization
31
32 self.title = @"我的音乐";
33 }
34 return self;
35 }
36
37 - (void)viewDidLoad
38 {
39 [super viewDidLoad];
40 // Do any additional setup after loading the view.
41
42
43 //我的音乐按钮
44 UIButton *myMusicButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 35, 35)];
45 [myMusicButton setImage:[UIImage imageNamed:@"defaultSinger"] forState:UIControlStateNormal];
46 [myMusicButton setImage:[UIImage imageNamed:@"defaultSinger"] forState:UIControlStateHighlighted];
47 // myMusicButton.userInteractionEnabled = NO;
48 myMusicButton.titleLabel.textAlignment = NSTextAlignmentLeft;
49 [myMusicButton addTarget:self action:@selector(login:) forControlEvents:UIControlEventTouchUpInside];
50 UIBarButtonItem *myMusicButtonItem = [[UIBarButtonItem alloc] initWithCustomView:myMusicButton];
51
52 //播放界面按钮
53 UIBarButtonItem *nowPlayingButtonItem = [[UIBarButtonItem alloc] initWithCustomView:[UIButton initNowPlayingButton]];
54 [self.navigationItem setLeftBarButtonItem:myMusicButtonItem];
55 [self.navigationItem setRightBarButtonItem:nowPlayingButtonItem];
56
57 mainScreenCells = [NSArray arrayWithObjects:[NSArray arrayWithObjects:@"全部歌曲", nil],[NSArray arrayWithObjects:@"我喜欢", @"全部歌单", nil],[NSArray arrayWithObjects:@"下载歌曲", @"最近播放", @"ipod歌曲", nil], nil];
58
59 details = [NSArray arrayWithObjects:[NSArray arrayWithObjects:@"0首在本地", nil], [NSArray arrayWithObjects:@"", @"", nil],[NSArray arrayWithObjects:@"0首", @"18首", @"0首", nil], nil];
60
61 icon = [NSArray arrayWithObjects:[NSArray arrayWithObjects:@"allsongs", nil], [NSArray arrayWithObjects:@"cell_like_in_my_music", @"", nil],[NSArray arrayWithObjects:@"down", @"recent_listen_icon", @"ipod", nil], nil];
62
63 iconSelected = [NSArray arrayWithObjects:[NSArray arrayWithObjects:@"allsongsSelected", nil], [NSArray arrayWithObjects:@"cell_like_in_my_music_PRessed", @"", nil],[NSArray arrayWithObjects:@"downSelected", @"recent_listen_icon_h", @"ipodSelected", nil], nil];
64
65 UITableView *tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] bounds] style:UITableViewStyleGrouped];
66 [tableView setDataSource:self];
67 if (!IOS_7) {
68 [tableView setSeparatorStyle:UITableViewCellSeparatorStyleNone];
69 }
70 [tableView setBackgroundColor:[UIColor whiteColor]];
71 [tableView setBackgroundView:nil];
72 [tableView setDelegate:self];
73 [self.view addSubview:tableView];
74
75 }
76
77 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
78 {
79 return mainScreenCells.count;
80 }
81
82 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
83 {
84 return [[mainScreenCells objectAtIndex:section] count];
85 }
86
87 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
88 {
89 static NSString *cellId = @"cellId";
90 UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellId];
91 if (cell == nil) {
92 cell = [[CustomTableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellId];
93 }
94 NSUInteger rowNo = indexPath.row;
95 NSUInteger colNo = indexPath.section;
96 cell.textLabel.text = [[mainScreenCells objectAtIndex:colNo] objectAtIndex:rowNo];
97 if (!IOS_7) {
98 UIView *line = [[UIView alloc] initWithFrame:CGRectMake(cell.frame.origin.x + 50, cell.frame.size.height, cell.frame.size.width - 20, 0.5)];
99 line.backgroundColor = [UIColor lightGrayColor];
100 [cell.contentView addSubview:line];
101 }
102 NSString *iconStr = (NSString *)[[icon objectAtIndex:colNo] objectAtIndex:rowNo];
103 NSString *iconSelectStr = (NSString *)[[iconSelected objectAtIndex:colNo] objectAtIndex:rowNo];
104 if (iconStr.length == 0 && iconSelectStr.length == 0) {
105 cell.imageView.image = [UIImage imageWithColor:[UIColor clearColor] size:CGSizeMake(50, 56)];
106 cell.imageView.highlightedImage = [UIImage imageWithColor:[UIColor clearColor] size:CGSizeMake(50, 56)];
107 }
108 else
109 {
110 cell.imageView.image = [UIImage imageNamed:iconStr];
111 cell.imageView.highlightedImage = [UIImage imageNamed:iconSelectStr];
112 }
113
114 cell.detailTextLabel.text = [[details objectAtIndex:colNo] objectAtIndex:rowNo];
115 // [cell setaccessoryType:UITableViewCellAccessoryDisclosureIndicator];
116 [cell setAccessoryView:[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"arrow"]]];
117
118 //设置标题和描述背景透明
119 cell.textLabel.backgroundColor = [UIColor clearColor];
120 cell.detailTextLabel.backgroundColor = [UIColor clearColor];
121
122 //去掉cell的圆角
123 UIView *tempView = [[UIView alloc] init];
124 [cell setBackgroundView:tempView];
125
126 //cell点击时的颜色
127 cell.selectedBackgroundView = [[UIView alloc] initWithFrame:cell.frame];
128 cell.selectedBackgroundView.backgroundColor = [UIColor lightGrayColor];
129
130 return cell;
131 }
132
133
134 - (void)tableView:(UITableView *)tableView didHighlightRowAtIndexPath:(NSIndexPath *)indexPath
135 {
136 UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
137 [cell setAccessoryView:[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"arrow_gedan"]]];
138 }
139
140 - (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath
141 {
142 UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
143 [cell setAccessoryView:[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"arrow"]]];
144
145 }
146
147 - (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
148 {
149 return 0.1;
150 }
151
152 - (void)login:(UIButton *)sender
153 {
154 LoginViewController *loginView = [[LoginViewController alloc] init];
155 [self presentViewController:loginView animated:YES completion:^{
156
157 }];
158 }
159
160 - (void)didReceiveMemoryWarning
161 {
162 [super didReceiveMemoryWarning];
163 // Dispose of any resources that can be recreated.
164 }
165
166
167
168 /*
169 #pragma mark - Navigation
170
171 // In a storyboard-based application, you will often want to do a little preparation before navigation
172 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
173 {
174 // Get the new view controller using [segue destinationViewController].
175 // Pass the selected object to the new view controller.
176 }
177 */
178
179 @end
再来张效果图：
睡觉去了。。。。。。