Iphone 向UIScrollview添加视图
我已经创建了一个Iphone 向UIScrollview添加视图,iphone,ios,uiview,uiscrollview,Iphone,Ios,Uiview,Uiscrollview,我已经创建了一个ui视图 - (id)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { // Initialization code UIImage *image2 = [UIImage imageNamed:@"pinGreen_v1.png"]; UIImage *image1 = [UIImage imageNamed:
ui视图
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
// Initialization code
UIImage *image2 = [UIImage imageNamed:@"pinGreen_v1.png"];
UIImage *image1 = [UIImage imageNamed:@"PinDown1.png"];
UIButton *btn1 = [[UIButton alloc]initWithFrame:CGRectMake(0, 10, 40, 40)];
[btn1 setImage:image2 forState:UIControlStateNormal];
[self addSubview:btn1];
for(int i =1; i<20; i++){
UIButton *btn2 = [[UIButton alloc]initWithFrame:CGRectMake(40 * i, 40, 40, 40)];
[btn2 setImage:image1 forState:UIControlStateNormal];
[btn2 addTarget:self
action:@selector(buttonPressed)
forControlEvents:UIControlEventTouchUpInside];
[self addSubview:btn2];
}
}
return self;
}
我应该能够滚动浏览视图中的图像。我将在viewcontroller中创建滚动视图并将视图添加到其中
UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
scroll.pagingEnabled = YES;
DrawLineInMyClass *drawLines = [[DrawLineInMyClass alloc]initWithFrame:CGRectMake(0, 0, frame.size.width, frame.size.height)];
drawLines.backgroundColor = [UIColor blackColor];
[self.view addSubview:drawLines];
[scroll addSubview:drawLines];
scroll.contentSize = CGSizeMake(self.view.frame.size.width*drawLines.frame.size.width, self.view.frame.size.height);
[self.view addSubview:scroll];
[drawLines release];
[scroll release];
这两条线?如果您将其添加到滚动也可以查看?[self.view addSubview:drawines];[滚动添加子视图:绘制线];
UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
scroll.pagingEnabled = YES;
DrawLineInMyClass *drawLines = [[DrawLineInMyClass alloc]initWithFrame:CGRectMake(0, 0, frame.size.width, frame.size.height)];
drawLines.backgroundColor = [UIColor blackColor];
[self.view addSubview:drawLines];
[scroll addSubview:drawLines];
scroll.contentSize = CGSizeMake(self.view.frame.size.width*drawLines.frame.size.width, self.view.frame.size.height);
[self.view addSubview:scroll];
[drawLines release];
[scroll release];