UIView
//设置view UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 20, kWidth, 100)]; //设置背景色 view.backgroundColor = [UIColor lightGrayColor]; //设置坐标跟大小 view.frame = CGRectMake(0, 0, kWidth-20, 100); //设置大小(不管坐标是多少,位置永远固定不变,但该位置是它所特有的位置,并不是之前的位置) view.bounds = CGRectMake(0, 0, 200, 200); //超过边界隐藏,默认是不隐藏(隐藏谁即是谁的属性) view.clipsToBounds = YES; //获取frame bounds CGRect frame = view.frame; CGRect bounds = view.bounds; NSLog(@"%@",NSStringFromCGRect(frame)); NSLog(@"%@",NSStringFromCGRect(bounds)); //设置tag值(只要继承UIView均可设置tag值) view.tag = 101; //设置圆角 view.layer.cornerRadius = 10; //设置阴影颜色(不要忘掉.CGColor) view.layer.shadowColor = [UIColor blackColor].CGColor; //设置阴影的不透明度(0~1) view.layer.shadowOpacity = 1; //设置阴影的圆角 view.layer.shadowRadius = 5; //设置阴影的大小(默认是(0,-3)) view.layer.shadowOffset = CGSizeMake(5, 10); //设置边界 view.layer.borderColor = [UIColor redColor].CGColor; //设置边界宽度 view.layer.borderWidth = 2; //添加 [self.view addSubview:view];
- pragma mark 点击空白处进行的事件
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{ //获取所有子视图(返回值是一个数组) NSArray *subViewsArray = [self.view subviews]; NSLog(@"%@",subViewsArray); //取出所有子视图的最上面一个 UIView *lastView = [subViewsArray lastObject]; NSLog(@"%@",NSStringFromCGRect(lastView.frame)); //将最上面一个移动到最后(即数组的第0个,谁是父视图谁调用) [self.view sendSubviewToBack:lastView]; NSArray *array = [self.view subviews]; NSLog(@"%@",array); //根据tag值调取视图(父视图调用) UIView *tagView = [self.view viewWithTag:101]; //将视图隐藏的三种方法 //1.改变透明度 tagView.alpha = 0.5; //2.从父视图移除 [self.view removeFromSuperview]; //3.隐藏 tagView.hidden = !tagView.hidden; //计时器的开启 [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(change) userInfo:nil repeats:YES]; }
UIButton
//设置button UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(20, 20, 100, 50)]; //设置按钮的圆角 button.layer.cornerRadius = 0; //居中 button.center = self.view.center; //设置颜色 button.backgroundColor = [UIColor whiteColor]; //设置图标(只有添加了图标或背景图片,才会有点击效果,并且该方法是以图标形式添加的) [button setImage:[UIImage imageNamed:@"channel_friend_love"] forState:UIControlStateNormal]; [button setImage:[UIImage imageNamed:@"hongxin"] forState:UIControlStateSelected]; //设置图标(该方法添加的是铺满的背景图) [button setBackgroundImage:[UIImage imageNamed:@"bthui2"] forState:UIControlStateNormal]; //设置标题 [button setTitle:@"UIControlStateNormal" forState:UIControlStateNormal]; [button setTitle:@"UIControlStateSelected" forState:UIControlStateSelected]; [button setTitle:@"UIControlStateDisabled" forState:UIControlStateDisabled]; //设置字体的大小 button.titleLabel.font = [UIFont systemFontOfSize:12]; //设置标题颜色 [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; //标题水平对齐(对齐方式以此类推) [button setContentHorizontalAlignment:UIControlContentHorizontalAlignmentCenter]; //移动图片(CGFloat top, left, bottom, right 在原有基础上增加或减少的相对于边缘的距离) [button setImageEdgeInsets:UIEdgeInsetsMake(10, 10, 0, 0)]; //移动标题(CGFloat top, left, bottom, right 在原有基础上增加或减少的相对于边缘的距离) [button setTitleEdgeInsets:UIEdgeInsetsMake(10, -10, 0, 0)]; //监视点击事件 // [button addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside]; //添加 [self.view addSubview:button];
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pragma mark 点击事件,控制器切换
-(void)click{ //初始化控制器 MyViewController *mVC = [MyViewController new]; //控制器切换效果 [mVC setModalTransitionStyle:UIModalTransitionStyleCoverVertical]; [self presentViewController:mVC animated:YES completion:^{ }]; }
- pragma mark 点击空白处,如果定时器对象为空,则重新启动定时器,如果定时器对象不为空,则让定时器对象失效(invalidate方法)
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{ if (_timer == nil) { _timer = [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(change) userInfo:nil repeats:YES]; }else{ [_timer invalidate]; _timer = nil; } }
UISlider
//设置slider(高度不起作用) UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(0, 0, 200, 45)]; //居中 slider.center = self.view.center; //slider的默认范围是0~1,可通过value值来改变范围 //设置最小值 slider.minimumValue = 0; //设置最大值 slider.maximumValue = 10; //设置当前值 slider.value = 5; //设置圆点的颜色 [slider setThumbTintColor:[UIColor redColor]]; //设置圆点的图片 [slider setThumbImage:[UIImage imageNamed:@"hongxin"] forState:UIControlStateNormal]; //设置已跑轨道的颜色(同样也可设置图片) [slider setMinimumTrackTintColor:[UIColor blueColor]]; //设置未跑轨道的颜色(同样也可设置图片) [slider setMaximumTrackTintColor:[UIColor redColor]]; //添加 [self.view addSubview:slider]; //开始计时器,让进度条动起来 [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(move) userInfo:nil repeats:YES];
- pragma mark 改变进度值
-(void)move{ _slider.value = _slider.value++; }