Migrating an iOS App Icon Set or Launch Image Set Simplify image management by moving existing app icons and launch images into an asset catalog. When you store app icons and launch images in an asset catalog, Xcode automatically creates the required…
Adding an iOS App Icon Set or Launch Image Set Organize different resolutions of your app icons and launch images using image sets. 使用图片集(image set)组织管理应用程序中不同分辨率的图标和启动图片. Select an asset catalog. 选择一个asset catalog. Choose Editor > New App Icon. 选择E…
在使用xcode6建的项目时,有时在ios7模拟器下会出现一下情况 导航栏上方和tabbar下方会有黑边 并且会有一下警告: Applications using Launch Screen Files and targetting iOS 7.1 and earlier need to also include a Launch Image in an Asset Catalog. 解决方案: 1.选择launch images use asset catalog 2.点击migrate 3…
About Asset Catalogs Use asset catalogs to simplify management of images that are used by your app as part of its user interface. 使用asset catalogs可以简化应用程序中需要使用图片的管理,把它们作为用户界面的一部分. An asset catalog can include: 一个asset catalog可以包括以下内容: Image sets: Use…
Creating an Asset Catalog Create an asset catalog to simplify management of your app’s images. 创建一个asset catalog来简化管理应用程序图片. Choose File > New > File. 选择File > New > File. Under iOS or OS X, select Resource. 在iOS 或 OS X中选择 Resource. Select As…
本文由CocoaChina译者 @唧唧歪歪 翻译,作者:Hector Matos 原文:4 XCODE ASSET CATALOG SECRETS YOU NEED TO KNOW 恶梦 想象你正在干活,你的上级要求你在工程中加入一些图片.你找到团队中的设计师(如果你们有一个的话),鼓起勇气,问他要这些图片.不过,通常他都会忙得根本没时间帮你.因为他要做的活儿比你还多.说实话,你到底见过一个设计师有多少活儿要做吗?!简直多到令人发指啊!所以你最不想做的就是成为那个再给他加活儿的人了.特别是那些活…
Specifying a Resizable Area of an Image Use the Xcode Slicing feature to specify the dimensions of a resizable center area of the image and to optionally specify end caps, which are areas of the image that should not be filled by the resizable area.…
About Asset Catalogs Use asset catalogs to simplify management of images that are used by your app as part of its user interface. 使用asset catalogs可以简化应用程序中需要使用图片的管理,把它们作为用户界面的一部分. An asset catalog can include: 一个asset catalog可以包括以下内容: Image sets: Use…
1.向appstore上传应用的时候,报了这样一个错误 ERROR ITMS-90717: "Invalid App Store Icon. The App Store Icon in the asset catalog in 'xxx.app' can't be transparent nor contain an alpha channel."意思是说在你应用中放置的AppIcon中图片不能是透明的图片,也不能是含有alpha的图片.简单来说就是要把图片的透明度去掉: 2.步骤:…
Removing Images and Sets Optimize the size of an asset catalog by removing unused images or sets. 通过删除不用的图片或图片集优化一个asset catalog的大小. Do one of the following: 可以使用以下方法: Remove an image from its set by Control-clicking the image and choosing Remove Sel…
Adding OS X Icons Simplify image management by storing your OS X icons in an asset catalog. 把OS X图标存进一个asset catalog里可以简化图片管理. In the project navigator, select an asset catalog. 在项目导航区,选择一个asset catalog. Choose Editor > New OS X Icon. 选择Editor > Ne…
Adding Image Sets Organize versions of your images in image sets, which you can add to an asset catalog. 你可以用图片集组织管理不同版本的图片 ,图片集可以放入一个asset catalog. In the project navigator, select an asset catalog. 在项目导航区(project navigator)中,选择一个asset catalog. Sele…
1. 前言 Block:带有自动变量(局部变量)的匿名函数.它是C语言的扩充功能.之所以是拓展,是因为C语言不允许存在这样匿名函数. 1.1 匿名函数 匿名函数是指不带函数名称函数.C语言中,函数是怎样的呢?类似这样: int func(int count); 调用的时候: int result = func(10); func就是它的函数名.也可以通过指针调用函数,看起来没用到函数名: int result = (*funcptr)(10); 实际,在赋值给函数指针时,必须通过函数的名称才能获…
- (UIImage *)stretchableImageWithLeftCapWidth:(NSInteger)leftCapWidth topCapHeight:(NSInteger)topCapHeight; Creates and returns a new image object with the specified cap values. Deprecation StatementDeprecated. Use the resizableImageWithCapInsets: in…
Grand Central Dispatch (GCD)是Apple开发的一个多核编程的解决方法. dispatch queue分成以下三种: 1)运行在主线程的Main queue,通过dispatch_get_main_queue获取. /*! * @function dispatch_get_main_queue * * @abstract * Returns the default queue that is bound to the main thread. * * @discussi…