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//1.UIView视图的基本使用
- (void)createUIView1{
CGRect rect1 = CGRectMake(30, 50, 200, 200);
UIView * view1 = [[UIView alloc] initWithFrame:rect1];
[view1 setBackgroundColor:[UIColor brownColor]];
CGRect rect2 = CGRectMake(60, 90, 200, 200);
UIView * view2 = [[UIView alloc] initWithFrame:rect2];
[view2 setBackgroundColor:[UIColor purpleColor]];
[view2 setAlpha:0.5];
[self.view addSubview:view1];
[self.view addSubview:view2];
}
//2.UIView视图的层次关系
- (void)createUIView2{
UIView * view1 = [[UIView alloc] initWithFrame:CGRectMake(20, 80, 280, 280)];
view1.backgroundColor = [UIColor redColor];
[self.view addSubview:view1];
UIView * view2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
view2.backgroundColor = [UIColor yellowColor];
[self.view addSubview:view2];
UIView * view3 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
view3.backgroundColor = [UIColor blueColor];
[self.view addSubview:view3];
}
//3.UIView视图的基本操作
- (void)createUIView3{
CGRect rect = CGRectMake(30, 50, 200, 200);
UIView * view = [[UIView alloc] initWithFrame:rect];
view.backgroundColor = [UIColor yellowColor];
[self.view addSubview:view];
UIButton * btnAdd = [[UIButton alloc] initWithFrame:CGRectMake(30, 350, 80, 30)];
[btnAdd setBackgroundColor:[UIColor grayColor]];
[btnAdd setTitle:@"Add" forState:UIControlStateNormal];
[btnAdd addTarget:self action:@selector(addview) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btnAdd];
UIButton * btnBack = [[UIButton alloc] initWithFrame:CGRectMake(120, 350, 80, 30)];
[btnBack setBackgroundColor:[UIColor grayColor]];
[btnBack setTitle:@"Switch" forState:UIControlStateNormal];
[btnBack addTarget:self action:@selector(bringvieToBack) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btnBack];
UIButton * btRemove = [[UIButton alloc] initWithFrame:CGRectMake(210, 350, 80, 30)];
[btRemove setBackgroundColor:[UIColor grayColor]];
[btRemove setTitle:@"Remove" forState:UIControlStateNormal];
[btRemove addTarget:self action:@selector(removeView) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btRemove];
}
- (void)addview{
//添加视图
CGRect rect = CGRectMake(60, 90, 200, 200);
UIView * view = [[UIView alloc] initWithFrame:rect];
[view setBackgroundColor:[UIColor purpleColor]];
[view setTag:1];
[self.view addSubview:view];
}
- (void)bringvieToBack{
//把视图移到最底
UIView * view = [self.view viewWithTag:1];
[self.view sendSubviewToBack:view];
}
- (void)removeView{
//移除视图
UIView * view = [self.view viewWithTag:1];
[view removeFromSuperview];
}
//4.UIView视图添加边框效果
- (void)createUIView4{
UIImage * uiimage = [UIImage imageNamed:@"44.JPG"];
UIImageView * uiimageview = [[UIImageView alloc] initWithImage:uiimage];
uiimageview.frame = CGRectMake(60, 80, 206, 284);
uiimageview.layer.borderWidth = 10;
uiimageview.layer.borderColor = [[UIColor purpleColor] CGColor];
[self.view addSubview:uiimageview];
}
//5.UIView视图添加圆角效果
- (void)createUIView5{
UIImage * image = [UIImage imageNamed:@"44.JPG"];
UIImageView * imageview = [[UIImageView alloc] initWithImage:image];
CGRect rect = CGRectMake(60, 60, 200, 200);
imageview.frame = rect;
imageview.layer.cornerRadius = 20;
imageview.layer.masksToBounds = YES;
[self.view addSubview:imageview];
}
//6.UIView视图添加阴影效果
- (void)createUIView6{
UIImage * image = [UIImage imageNamed:@"44.JPG"];
UIImageView * imageview = [[UIImageView alloc] initWithImage:image];
CGRect rect = CGRectMake(60, 60, 206, 284);
imageview.frame = rect;
//设置图像视图层的阴影颜色
imageview.layer.shadowColor = [[UIColor blackColor] CGColor];
//设置图像层的阴影横向和纵向的偏移值
imageview.layer.shadowOffset = CGSizeMake(5.0f, 5.0f);
//设置图像视图层的阴影透明度
imageview.layer.shadowOpacity = 0.75;
//设置图像视图层的阴影半径大小
imageview.layer.shadowRadius = 10.0f;
[self.view addSubview:imageview];
}
//7.UIView视图的渐变填充
- (void)createUIView7{
CGRect rect = CGRectMake(60, 120, 200, 200);
UIView * view = [[UIView alloc] initWithFrame:rect];
view.backgroundColor = [UIColor whiteColor];
//新建一个渐变层
CAGradientLayer * gradientLayer = [CAGradientLayer layer];
//设置渐变层的位置和尺寸，与视图对象一致
gradientLayer.frame = view.frame;
//设置渐变的起始颜色为蓝色
CGColorRef fromColor = [UIColor blueColor].CGColor;
//设置渐变的中间颜色为红色
CGColorRef midColor = [UIColor redColor].CGColor;
//设置渐变的结束颜色为黄色
CGColorRef toColor = [UIColor yellowColor].CGColor;
//创建一个数组对象，存储三个颜色变量
NSArray * colorArray = [NSArray arrayWithObjects:(__bridge id _Nonnull)(fromColor),midColor,toColor, nil];
//设置渐变层的颜色数组属性为三个渐变色构建的数组
gradientLayer.colors = colorArray;
//将渐变层添加到视图对象的层中
[view.layer addSublayer:gradientLayer];
[self.view addSubview:view];
}
//8.UIView视图的纹理填充
- (void)createUIView8{
//新建一个颜色对象，将图片赋予该对象
UIColor * background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"wenil.png"]];
self.view.backgroundColor = background;
}
//9.CGAffineTransform仿射变换
- (void)createUIView9{
CGRect rect = CGRectMake(50.f, 150.f, 200.f, 50.f);
UIView * myview = [[UIView alloc] initWithFrame:rect];
myview.backgroundColor = [UIColor redColor];
[self.view addSubview:myview];
//创建一个仿射变换变量，仿射变换可以用于平移，旋转，缩放变换路径或者图形上下文
CGAffineTransform transform = myview.transform;
transform = CGAffineTransformRotate(transform, 3.14/4);
myview.transform = transform;
}
//10.iOS手势 -- 单击手势
- (void)createRecognizer1{
CGRect rect = CGRectMake(100, 100, 100, 100);
UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
UIImage * image = [UIImage imageNamed:@"44.JPG"];
[imageview setImage:image];
[imageview setUserInteractionEnabled:YES];
[self.view addSubview:imageview];
UITapGestureRecognizer * guesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(singleTap)];
[imageview addGestureRecognizer:guesture];
}
- (void)singleTap{
UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"single Tap" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
[alertView show];
}
//11.iOS手势 -- 长按手势
- (void)createRecognizer2{
CGRect rect = CGRectMake(100, 100, 100, 100);
UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
UIImage * image = [UIImage imageNamed:@"44.JPG"];
[imageview setImage:image];
[imageview setUserInteractionEnabled:YES];
[self.view addSubview:imageview];
UILongPressGestureRecognizer * guesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[imageview addGestureRecognizer:guesture];
}
- (void)longPress:(UILongPressGestureRecognizer *)guesture{
//判断手势事件的阶段
if (guesture.state == UIGestureRecognizerStateBegan) {
UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"Long Press" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
[alertView show];
}
}
//12.iOS手势 -- 双击手势
- (void)createRecognizer3{
CGRect rect = CGRectMake(100, 100, 100, 100);
UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
UIImage * image = [UIImage imageNamed:@"44.JPG"];
[imageview setImage:image];
[imageview setUserInteractionEnabled:YES];
[self.view addSubview:imageview];
UITapGestureRecognizer * guesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap)];
[imageview addGestureRecognizer:guesture];
//设置点击次数为2，模拟双击事件
[guesture setNumberOfTapsRequired:2];
//设置为单次双击事件
[guesture setNumberOfTouchesRequired:1];
//将手势指定给图形视图
[imageview addGestureRecognizer:guesture];
}
- (void)doubleTap{
UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"double Tap" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
[alertView show];
}
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原文地址：http://www.cnblogs.com/HOYF/p/5140882.html
