UIImageView的多个图像设置
Recently I've been trying to save on render time by minimizing the amount of time spent on allocation and duplication of resources as images by using ...
IOS开发中如何给UIImageView添加点击事件
1、先创建一个UIImageView控件: 1 photeImageView = [[UIImageView alloc]init];2 photeImageView.frame = CGRectMake(6*ScreenWidth/20, 0.5*Screenheight/20+64,...
iOS学习笔记-011.UIImageView的基本介绍和帧动画
UIImageView的基本介绍和帧动画 一实例化UIImageView - initWithImage - initWithImage highlightedImage 二设置图像 三设置显示模式 四序列帧动画基础 属性...
QF——UI之UIImageView及UIView的形变属性transform
UIImageView:专门用来放置图片的视图。它里面放置的图片是[UIImage imageNamed: (NSString) imgName]生成的,注意千万别只写成图片NSString类型的名字。UIImageView里有几个支持动画效果的属性和方法。- (void)startAnimatin...
UIView之userInteractionEnabled属性介绍-特殊子类覆盖多见于UIImageView和UILabel
属性作用该属性值为布尔类型,如属性本身的名称所释,该属性决定UIView是否接受并响应用户的交互。当值设置为NO后,UIView会忽略那些原本应该发生在其自身的诸如touch和keyboard等用户事件,并将这些事件从消息队列中移除出去。当值设置为YES后,这些用户事件会正常的派发至UIView本身...
IOS中UIImageView方法实现简单动画
这篇文章主要介绍了IOS中UIImageView方法实现简单动画的相关资料,需要的朋友可以参考下
UIImageView获取显示图像的位置
I have a UIImageView which shows an UIImage. 我有一个显示UIImage的UIImageView。 The UIImage may change to other UIImage in different size, and the position an...
ios7没有显示UIImageView
I have an app I was building for iOS 6 that I recently upgraded to iOS 7. I have a UIScrollView with a few Custom UIViews. Within those UIViews, I hav...
每次图像更改时UIImageView分配内存 - 如何发布?
I'm trying to create an application that allows users to go through a set of images like a magazine. I've got one UIView class on top of the AppDelega...
iOS - UIImageView 动画
1、UIImageView 动画1.1 播放图片集播放图片集@property (nonatomic, strong) UIImageView *playImageView;self.playImageView = [[UIImageView alloc] initWithFrame:self.vi...
图像不显示在预加载的UIImageView。
When app launches I add UIImageViews to screen with no image. Then I load image one by one using NSThread and set it for those views. The UiImageViews...
如何为UIImageView释放内存(Swift)
I got a problem with UIImage. I've manually added UIImageView objects to a scroll view. The problem is : when I have more than 50 images, memory will ...
iOS7上TableViewCell的button和UIImageView个别未显示的bug
要做这个cell,用xib将cell做成之后,在iPhone6、6Plus、5s上运行良好,但是在iOS7的5s和iPad上,黄色的小星星和下载按钮均没有显示。甚为惊奇。在网上百度之,发现了解决办法:-(void)layoutSubviews{ [super layoutSubviews]; ...
ios 从网络上获取图片并在UIImageView中显示
ios 从网络上获取图片-(UIImage *) getImageFromURL:(NSString *)fileURL {NSLog(@"执行图片下载函数");UIImage * result;NSData * data = [NSData dataWithContentsOfURL:[NSURL...
UIScrollView,UIPageControl,UIImageView 实现图片轮播的效果
上一篇博客介绍了如何将XCode创立的项目提交到Git版本控制,这次就直接做一个图片轮播的展示demo,刚好可以把UIScrollView、UIPageControl、UIImageView这三个控件讲解分析一下。先上效果,这样比较直观。从图中可以看到这个界面是由UIImageView 和 UITa...
UIImageView的自定义UIButton在设备上不起作用。
My problem is I have a Custom button and ImageView to which I added the Image.I made this imageView to the custom button as a subview.when Im running ...
setNeedsDisplay不适用于UIImageView的子类
import UIKitclass CustomView: UIView { override func drawRect(rect: CGRect) { print("Draw") }} Drag a UIView, set its class to be CustomV...
IOS-UIButton和UIImageView中Image拉伸效果的实现
UIImageView中Image拉伸效果的实现: UIImageView *strechTest = [[UIImageyiView alloc] initWithImage:[UIImage imageNamed:@"test.png"]]; [strechTest setCont...
iOS学习笔记------UIButton、UIImageView、UILabel的属性与方法
一、UIButton1.UIButton状态:UIControlStateNormal // 正常状态 UIControlStateHighlighted // 高亮状态 UIControlStateDisabled // 禁用状态 UIControlStat...
关于UIImageView的显示问题——居中显示或者截取图片的中间部分显示
我们都知道在ios中,每一个UIImageView都有他的frame大小,但是如果图片的大小和这个frame的大小不符合的时候会怎么样呢?在默认情况,图片会被压缩或者拉伸以填满整个区域。通过查看UIView的属性可以知道,view的contentMode属性可以用来控制图片的显示情况。下面的设置可以...