retinadisplay

How to update 2D iPhone game to be compatible w/ iPhone 4's retina display?

What are the necessary steps to update an existing OpenGL ES 1.1 based 2D iPhone game to be compatible w/ the iPhone 4's retina display? I'm still using the Texture2D class that came w/ Apple's CrashLanding (download) sample code. After reading Apple's documentation, watching the WWDC video (session 134 "Optimize Your iPhone App for t...

iPhone 4 640x960

Possible Duplicate: How to differentiate between iphone4 and iphone 3 Well, I know all the @2x stuff and already read the other stackoverflow threads and apple reference regarding the retina display and high res support to no avail. I'm loading an image from a remote server which supports a resolution request parameter. For ...

Will the "Retina Display" affects developers?

Hey, As an iPhone apps developer, should I take some steps (especially for graphics) to make them look correctly on iPhone 4 "Retina Display" or there is no such an issue? Thanks for help and time. ...

Hi-Res @2x image not being picked up for tab bar item

I have a TabBarController that sets the image for the tab like so, in the -init method: self.tabBarItem.image = [UIImage imageNamed:@"tabImage.png"]; I have a [email protected] file in the resource. In the iPhone 4 simulator or the phone, the hi-res image isn't being picked up - the low res version is simply being scaled up. Any ideas w...

Photoshop/fireworks filesize for iPhone 4

What's the best way to design for iPhone 4 using either Photoshop or Fireworks? Essentially looking for dimensions and DPI to start with. Thanks! ...

Retina icons (@2x) aren't being used when images are specified in code

I place a play.png image onto my view. When the view initially loads, the iPhone 4 grabs the corresponding [email protected] file and it looks great. However, when I tap the play button my code swaps it out for the pause.png file. Then, when I tap the pause.png to bring back the play.png it uses the original play.png file (not the @2x version ...

High resolution UI Elements for iPhone 4 (Tab Bar buttons...)

Hello, where can I find high resolution version of standard iPhone UI elements (like UITabBarContacts.png). I have found low resolution version of icons on some site. I need them becasue I would like to upgrade my app for iPhone 4. Thanks! ...

Detect Retina Display

Does iOS SDK provides an easy way to check if the currentDevice has an high-resolution display (retina) ? The best way I've found to do it now is : if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] == YES && [[UIScreen mainScreen] scale] == 2.00) { // RETINA DISPLAY } ...

Is it better to supply new artwork or scale down large images to deal with the Retina display?

The amazing display on the iPhone 4 has made us make higher resolution artwork to take advantage of the new screen. My question is, what is the better way to apply the images? Currently, there are two methods to do so: Using two images: "image.png" and "[email protected]". The problem with this is that, if your app needs a lot of images, t...

iPhone 4 apps automatically scale up on iPad?

I thought I read/saw/heard something saying that apps built for iPhone 4's Retina Display would automatically run at 640x960 when installed on an iPad. However, can't find any documentation on that specific feature, and my app still runs at 320x480 when installed on an iPad. Is there a step I've missed to make this happen? Or did I jus...

iphone how to convert my app to retina display app

How can I convert my current application to retina display app and I've to make sure that the same app works in iphone 3 as well. If its just to update my images to high resolution, it will also work in iphone 3. then there will be no meaning for "retina display" app. ...

Is CFBundleIconFiles the same as Icon File?

I am trying to add a hi-res icon to my iPhone app. Is Is CFBundleIconFiles the same as Icon File in the screenshot below? ...

Checking if UIGraphicsBeginImageContextWithOptions is supported

I'm working on an iOS app. It currently only works on iOS 4 since I use the following method on several occasions: "UIGraphicsBeginImageContextWithOptions". This method is only available in iOS 4 and therefor my app currently crashes/doesn't work on iPhone OS 3. Aside from this method there is no reason why the app should not work on iPh...

iPhone 4 Tab Bar Icons

I'm having some issues getting high resolution tab bar icons displaying correctly for iPhone 4. Basically I'm using the Apple guidelines of 96 x 64 for high resolution icons, but when I do this, my icon looks like it is being scaled many times in the tab bar icon area and only part of the icon appears. If I set the icon size to 30 x 30...

How can I tell my app is running on iPhone4 so I can load the correct size of image remotely?

I know the locally I can use the @2x images, how do I do this for remote images? I just need to know whether I am on iPhone / iPhone 4 and then determine the image width & height to load. ...

Retina display compatibility

For our iPhone app, we are using 50 x 50 user image (from facebook). It works fine for iPhone 3G and 3GS but not for iPhone 4 due to its high resolution display. For iPhone 4 we tried to send 100 x 100 (variable height) image but it is not working for obvious reasons. Any thought? ...

UIWebView and iPhone4 retina display

I have a UIWebView which displays some local text and images. Either I've made a mistake somewhere, or the UIWebView doesn't automatically handle the @2x suffix for high resolution images. So, my question is has anyone else successfully loaded @2x images into a UIWebView through the normal means, or do I need to do something special? Ca...

Easy way of exporting @2x images for retina display?

I am creating a lot of webviews that must be compatible with both the iPhone 4 retina display and pre-iPhone 4 devices. It's a pain in the ass to export multiple files for each image. Is there a script or utility to automate this process? ...

forgot to put regular image but it has Retina @2x image

I have submitted my app which support both regular and retina display edition. I forgot to put one of regular image file (a.png) but it has ([email protected]) Retina image. Is it going to be regular iPhone able to show ([email protected]) image or not? I have no clue since I don't have 3GS or iPod Touch, but on iPhone regular simulator came out to be s...

iPhone 4 Retina "apple-touch-startup-image" for Web-apps

This has been asked multiple times here, but without a solid and understandable answer. This is a web-app, not a native-app. I'm using: <link rel="apple-touch-startup-image" href="images/startup.png" /> to display the startup image. It loads fine if the image's resolution is 320x460. I tried using the retina's resolution which is 640...