how do you make the Iphone app run as 2X on Ipad automatically?
Building the app as both Iphone and Ipad would require you to build the Ipad from scratch right?
I prefer the 2x mode on IPad, but the build says its only geared toward Iphone. I like the user to use this app for both Iphone and Ipad, and 2x inside IPAD.
Any app built for the iPhone will run on iPad either at default size or zoomed in to 2X size, but you can't control what the user selects.
It is possible to create a universal application where you design an interface for both the iPhone and the iPad within the same app. The alternative is creating an entirely separate app for the iPad.
Whether to run an iPhone app in 1x or 2x mode on an iPad is entirely up to the user. It's not something you can control. If you want it to be fullscreen always on an iPad, you'll need to make your app handle iPads.
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my app is very basic and looks great on the iphone but in compatability mode 2x on the ipad it does not show the same screen as on the iphone. it was built as an iphone only app and has no major graphs. this is what Apple told me. 2.10: iPhone apps must also run on iPad without modification, at iPhone resolution, and at 2X iPhone 3GS resolution
I've had the same behavior on a physical iPad 2 for an existing working iPhone-only app.
In fact, after adding for each Retina images (suffixed by #2x) a corresponding non-Retina version in the project, my app launched successfully on the iPad, without any modifications...
I'm not sure it will work for you, but might worth to try ?
My case is:
I am building an iPhone-only app.
My test devices are iPhone 4s and iPad 4.
I would like to support iPhone 5/5c/5s screen sizes, but I don't have the actual devices.
Can I use the iPad to test the UI for iPhone 5/5c/5s screen size, but without the automatic zoom of the app - simply taking only the 640×1136?
Thanks.
No, the iPad has not setting to allow this, neither did Apple release any API to do this.
My app is and iPhone based App, and it can run on iPad device, though UI is designed for 640x960 device.
When I search the app in iPad, it will show no this app by default. There're two tab in the app store. One is iPad app, the other one is iPhone app. How could I make my app show on these two tabl?
Because changing app into universal take effort. Is any other methods ?
I noticed other app uses the same UI like me, but it can show on iPad tab.
No there is no easier way than changing it to universal, your app needs to be built for iPad to be displayed in the iPad app section.
I have created an iPhone Application, which works only on iPhone.
Now, I want that App on iPad, too.
Is there any way that I can reuse my existing iPhone XIBs to support that App on iPad. (I don't want to recreate all the XIBs for iPad separately.)
Any guidance for that?
Also, What other points I need to take care of?
Your iPhone app will work in iPad if you choose 2x zoom view. But the display will not be of the highest quality. Now rumors are there that next iPad will have retina display. So, one suggestion I can give is, when you create a new project, Choose "Universal" as the option for device family.
Depending on your app, Feature detection might be one thing you have to look out for when you try to run an app on iPad. For example, Siri is available for iPhone 4s, but not iPad 2. (Although the API for Siri isn't out yet, I'm just putting it there). Also, iPhone 4 has camera, while iPad 1 doesn't have.
Click on your target, and under "Devices" change to Universal. Now your project should run on either device.
I have an iPhone app I developed using cocos2d. I have the correct version which supports iPad. Now, how do I get it to change the screen resolution or to recognize that it is an iPad app and not an iPhone app?
You can use the UI_USER_INTERFACE_IDIOM() to figure out in what kind of device your app is running. Anyway, you should always try to layout your stuff relative to the screen size (or the root view controller's view size) so that it will adapt itself to any resolution.
You can make your app use the entire iPad screen and not run in the simulator simply by changing the target device from iPhone to iPhone/iPad in Xcode. If you want your app to show different UI and run different code on the iPad, you can check for the device by using one of several ways to detect an iPad in Objective-C.