retina-display

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iOS: How do I support Retina Display with CGLayer?

I\'m drawing a graph on a CALayer in its delegate method drawLayer:inContext:. Now I want to support Retina Display, as the graph looks blurry on the latest devices.[详细]

2023-03-21 13:01 分类：问答
iphone - How to control images for Retina Display?

My app will download a image and display it into a UIImageView. The image is quite large, say 600 * 600 and the UIImageView\'s size is 100 * 100.[详细]

2023-03-21 03:04 分类：问答
Images do not show up when I run my app on iOS device

I have images titl开发者_开发百科ed like so in my app: image~iPhone.png image@2x~iPhone.png In interface builder I am loading image.png into my UIImageView.I also programatically load some images in[详细]

2023-03-18 17:08 分类：问答
How to scale images (not resources) to iPhone Retina display correctly in a view?

I have a UIImage, from either device\'s camera or downloaded from a URL. Say resolution is 800x600. I want to display a scaled image in a UIImageView which is 200x150, and I have a proper image scali[详细]

2023-03-18 15:49 分类：问答
How should retina/normal images be handled when loading from URL?

I understand how to programmatically load images for my app from a URL ins开发者_如何学运维tead of packaging them within the app but how do I handle the 1x vs 2x issue? I can serve both versions from[详细]

2023-03-14 11:16 分类：问答
How to make an iphone and iphone4-retina compatible app (done in cocoa) easily adapted to ipad?

My question is simple: when an iPhone app also supports retina display, it does not need an additional xib file. (Fonts and images are auto-scale开发者_如何学Cd, you just need to prepare double-resolu[详细]

2023-03-11 17:01 分类：问答
AppStore submission devices

We have in store an app which displays a series of videos through HTTP Live Streaming. Due to the nature of this videos, and the screensize of the iPhone/iPod device, we have decided to leave behind e[详细]

2023-03-10 22:37 分类：问答
iPhone4 blurred text/images after content load via ajax

i use phonegap, jqtouch and iScoll for a iphone app. I load some con开发者_如何学运维tent via ajax into a div container. After that, sometimes all elements blurred and sometimes not.[详细]

2023-03-09 05:55 分类：问答
Taking a screenshot in-app then putting it in a UIImageView does so at normal resolution

After zooming the iOS simulator up to 100%, i\'ve noticed that my icons which are made by the app through taking a \'screenshot\' of a view using this code are in normal resolution, whereas everything[详细]

2023-03-09 02:30 分类：问答
Images for retina display iphone

I have an working application which i have tested in my ipod touch. Everything works pretty fine. My tabbar icons and splash screen images are in a separate folder in my Resources folder[详细]

2023-03-08 07:32 分类：问答