UIButton*btn = [[UIButtonalloc]initWithFrame:CGRectMake(30,30,100,100)]; [btnsetImage:[UIImageimageNamed:@"add_album"]forState:UIControlStateNormal]; 2.测试setBackgroundImage方法,选中刚才的button控件,之后删除Image的内容,在Background中添加图片名称,如下图: 之后观察按钮,发现按钮样式变为 放大按钮...
Changing the Wallpaper Background to Any Photo on iOS The process of how to change the wallpaper image is the same on any iPhone, iPad, or iPod touch: Open the “Photos” app and browse to the picture you want to set as the background wallpaper image Tap on the sharing button, it ...
/* 这里可以使用autoprefixer等postcss插件给image-set添加兼容前缀,这里就不加了 */ background-image: image-set( url('./imgs/@2x/photo@2x.png') 2x, url('./imgs/@3x/photo@3x.png') 3x ); } 我们打开chrome看一看这样设置有什么效果 iphone6/7/8 (dpr=2): iphone6/7/8 plus (dpr=3):...
-(void) setBackgroundImage:(UIImage*)image withTag:(NSInteger)bgTag{ if (image == NULL) { return; } UIImageView *aTabBarBackground = [[UIImageView alloc]initWithImage:image]; aTabBarBackground.frame = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height); aTabBarBackground...
background-retina- tinyfied.jpg') } } button.menu-toggle { font-size: 20px; /* 20px */ } body { position: relative; } body:before { content: ''; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-image: url('https://www.prypjatsyndrome.de/v2/wp-content/...
Add a photo for the person in your Contacts. Edit contacts on iPhone - Apple Support Reply of 1 how do u set someone pic as a background so wen they call they picture show up Welcome to Apple Support Community A forum where Apple customers help each other with their products. Get ...
mage-set对我来说,我也很陌生,于是借助G爸和度娘海量的搜索image-set,才知道Webkit内核"safari6"和“chrome21”支持CSS4的background-image新规范草案image-set。通过Webkit内核的浏览器私有属性“-webkit”,image-set为Web前端人员提供了一种解决高分辨率图像的显示,用来解决苹果公司提出的Retian屏幕显示图片的技术问...
Unlock your iPhone withFace IDorTouch ID Swipe to a previously customized wallpaper, then tapCustomize. Choose theHome Screenoption. Tap theColorandGradientbuttons to access color swatches and customize the background, or tap thePhotosbutton to select another image. You can alsoBlurthe ima...
• Step through a history of your work with the undo/redo buttons • Communicate your thinking or highlight various features of your representation using the built-in annotation tool • Insert background images more What’s New Version History Version 2.1.0 - improved undo/redo of image...
⼆、为什么需要适配图⽚ 现在⼿机机型繁杂，⽐如iphone的机型⼀般就是dpr=2的4.7⼨屏幕机型与dpr=3的5.5⼨plus（⽐如iphone6s与iphone6s plus），安卓的dpr就⽐较不可描述了，2.x，3.x这种有⼩数的dpr也是随处可见。⽽对于不同dpr的机型呢，ui⼤佬⼀般会给我们切⼀套2倍率和3倍率...