retina-display

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How to capture UIView to UIImage without loss of quality on retina display

My code works fine for normal devices but creates blurry images on retina devices. Does anybody know a solution for my issue?[详细]

2023-01-28 04:30 分类：问答
Updating saved images for Retina Display

I have an iPhone app that, among other things, allows users to store photos.When a new photo is added to the app\'s data store, I cache a thumbnail version of the image so that the photo thumbnail gri[详细]

2023-01-26 16:21 分类：问答
Saving UIView contents in iOS 4 with real size of the images inside (i.e. scale contentes up for save)

I have an UIView with many UIImageViews as subviews. The app runs on iOS4 and I use images with retina display resolution (i.e. the images load with scale = 2)[详细]

2023-01-25 12:32 分类：问答
iPhone4: prevent UIImageView from scaling

I\'m downloading a lot of images to display to the user. Each of this images have 512x512. In a normal resolution iPhone, everything works fine,[详细]

2023-01-23 05:51 分类：问答
Using Retina images in a local UIWebView

For some reason, I cannot get a UIWebView to \"play nice\" with my new Retina images.The issue, step-by-step:[详细]

2023-01-21 23:32 分类：问答
is it possible to test Retina Display on simulator?

How can you test Retina Display on a simulator if it is po开发者_运维问答ssible?Yes, run the application from Xcode, when the simulator opens go to Hardware->Device->iPhone 4[详细]

2023-01-21 10:23 分类：问答
iPhone image resource - 1024 maximum, 2048 pixels @2x?

The restriction of 1024x1024 as the largest image for an iPhone is a problem with iPhone 4. However if an @2x image is used with maximum dimensions of 2048x2048 everything looks equally good on the 4[详细]

2023-01-19 22:36 分类：问答
app icon for retina device

My app\'s icon is named: appicon57x57.png This works great on simulat开发者_StackOverflow社区or and device.I don\'t have a retina device to test on.But if I make a 114x114 version of my app icon and[详细]

2023-01-19 14:49 分类：问答
How does the retina display affect the size of the underlying bitmap of an UIView?

With the retina display, does a UIView with a frame of 100/100 points actually hav开发者_StackOverflow中文版e a bitmap of 200/200 pixels?Yes. Memory-wise it\'s x 4.I strongly suggest you read the part[详细]

2023-01-17 19:14 分类：问答
forgot to put regular image but it has Retina @2x image

I have submitted my app which support both regu开发者_如何学Clar and retina display edition. I forgot to put one of regular image file (a.png) but it has (a@2x.png) Retina image.[详细]

2023-01-17 05:29 分类：问答