ios学习记录 day28 UI 6 关灯
MainViewController.m
1 - (void)viewDidLoad 2 { 3 [super viewDidLoad]; 4 // Do any additional setup after loading the view. 5 TouchView * backView = [[TouchView alloc] initWithFrame:CGRectMake(0, 20, 320, 450)]; 6 [backView setBackgroundColor:[UIColor lightGrayColor]]; 7 [self.view addSubview:backView]; 8 [backView release]; 9 10 }
TouchView.m
1 - (void)dealloc 2 { 3 [super dealloc]; 4 } 5 - (id)initWithFrame:(CGRect)frame 6 { 7 self = [super initWithFrame:frame]; 8 if (self) { 9 // Initialization code 10 [self createbutton]; 11 } 12 return self; 13 } 14 15 16 - (void)createbutton 17 { 18 19 for (int i = 0; i < 25; i++) { 20 //循环 5行5列 15 70 起始button和backview的距离 21 CGFloat x = i % 5 * 60 + 15; 22 CGFloat y = i / 5 * 60 + 70; 23 //设置button的坐标大小 24 UIButton * button = [UIButton buttonWithType:UIButtonTypeCustom]; 25 [button setFrame:CGRectMake(x, y, 50, 50)]; 26 //button的tag值1~25 不能为0! 通过tag值判断按钮的边界 27 button.tag = i + 1; 28 //为button添加点击事件 29 [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; 30 31 //button的selected是个BOOL类型的值 32 //随机产生0和1 1的时候令selected为真 0时为假 这样程序开始的时候按钮的背景图片就是随机的 33 if (arc4random()%2) { 34 [button setSelected:true]; 35 }else{ 36 [button setSelected:false]; 37 } 38 //选中按钮时背景图片on.png 正常是off.png 39 [button setBackgroundImage:[UIImage imageNamed:@"on.png"] forState:UIControlStateSelected]; 40 [button setBackgroundImage:[UIImage imageNamed:@"off.png"] forState:UIControlStateNormal]; 41 42 [self addSubview:button]; 43 } 44 } 45 46 - (void)buttonAction:(UIButton *)sender 47 { 48 //点击按钮时 先让按钮自身调用变换背景的方法 49 [self changeColor:sender]; 50 //if判断游戏按钮的四个边 51 //除了最左边 其它按钮点击的时候其左边的按钮调用变换背景图片方法 52 if (!(sender.tag % 5 == 1)) { 53 UIButton *button1 = (UIButton *)[self viewWithTag:sender.tag - 1]; 54 [self changeColor:button1]; 55 } 56 //除了最上边 其它按钮点击的时候其上边的按钮调用变换背景图片方法 57 if (!((sender.tag - 1) / 5 == 0)) { 58 UIButton *button = (UIButton *)[self viewWithTag:sender.tag - 5]; 59 [self changeColor:button]; 60 } 61 //除了最右边 其它按钮点击的时候其右边的按钮调用变换背景图片方法 62 if (!(sender.tag % 5 == 0)) { 63 UIButton *button = (UIButton *)[self viewWithTag:sender.tag + 1]; 64 [self changeColor:button]; 65 } 66 //除了最下边 其它按钮点击的时候其下边的按钮调用变换背景图片方法 67 if (!(sender.tag > 20)) { 68 UIButton *button = (UIButton *)[self viewWithTag:sender.tag + 5]; 69 [self changeColor:button]; 70 } 71 72 } 73 74 //变换背景 75 - (void)changeColor:(UIButton *)sender 76 { 77 //改变按钮selected的BOOL就相当于改变了按钮的背景图片 78 sender.selected = !sender.selected; 79 80 // //按钮是色块的时候 点击按钮时直接改色就行 81 // if (sender.backgroundColor == [UIColor greenColor]) { 82 // sender.backgroundColor = [UIColor whiteColor]; 83 // }else{ 84 // sender.backgroundColor = [UIColor greenColor]; 85 // } 86 }
