iPhone6/6+ and iOS8/Xcode6 first hand on experience with Unity

Hi David,

Will the update solve the render scaling issues on the iPhone 6+ ? currently it seems that Unity apps render at 720p and then they scale up to the full 1080p resolution, which makes everything looks pixelated, i don't have an iPhone 6+ available for development so i can't test it out.

Thanks in advance!

 

Will we get aspect ratio or resolution in the editor game view for the iPhone 6 and iPhone 6 Plus in 4.6?

BTW: I had an issue with 4.5.1p4. For no reason Unity was opened twice and I was forced to shutdown the hard way (power button)

 

Yes. iOS looks for correct sized iPhone 6+ splash screen (or splash screen .xib file) to see if your app supports higher res. We have added support to set iPhone 6+ splash screen in player settings.

We had a short discussion internally, and decided to skip it for now - we don't want to clutter the menu as it's getting unwieldy large. But you can easily add those entries yourself: just click on the menu and select "+" sign. Aspect ratios of both devices are 16:9 and resolutions of 1334x750 and 1920x1080.

 

Actually it is 2208 x 1242 which will be downscaled to 1920x1080 - just make a screenshot on the device.

http://forum.unity3d.com/threads/iphone-6-plus-screen-width.269264/

EDIT: I was wrong. According to Apple it should be really 1920x1080 when rendering 3D content in fullscreen mode. (Metal and OpenGL ES)

 

Has anyone noticed a major increase in app size after upgrading to Xcode 6?

I'm finding that our app, which is just under 100MB Xcode 5, has an "estimated app store size" of 157MB in Xcode 6.

I haven't actually submitted it because it wants me to revoke and regenerate my signing certificates, which I don't want to do as I am planning to submit my next update with Xcode 5. So until then I don't have an actual IPA I can dig into to see what has changed. The archive before submission is still roughly the same size.

This is pretty worrying though as staying under 100MB is important, and I'm not sure how I'm going to claw back a sudden unexplained 50MB increase.

 

I noticed our estimated app size went up huge too, but when I actually export the IPA, its not that size, so I am not sure if that estimate feature is broken. I hope so =)

 

Estimate size is how big it is expected to be on the App Store. That has always been different to the ipa size.

 

I believe in XCode 6 the estimated size changed to how big the app will be when installed. I had a similar increase of +50% in the estimated size between XCode 5 and 6.

 

Hi,

There is a bug with this release, "Disable Audio" in audio settings has no effect, unity seems to still mess with the AVAudioSession when it launches, that was not the case in Unity 4.3, it used to leave the iOS core audio session category intact if you check "Disable Audio" in project settings, i need that since i'm using a native audio plug in instead of the Fmod audio.

If this bug won't be fixed anytime soon, Will i be able to add iPhone 6+ support manually if i upgrade to Xcode 6 and add the required screenshots in the .xib file (while still using Unity4.3)?

 

Has anyone had a chance to test which of the splash screens does the iPhone 6+ select in a build made with Unity 4.5.4f1 ?

 

Hi guys, I recently submitted a project that had to support all the splash screens including iPhone6 and iPhone6+. With the current build 4.5.4p1, the new iPhone6 iOS8 splash screens are bundled but never referenced to in the SplashScreen.mm generated in the xCode project from Unity. I have modified the SplashScreen.mm to reference the proper new splash screen files (namely, the @3x for 667 and 736). It also includes a fix for iPhone6+ since it can have both a portrait and a landscape splash screen which seems to be only available for the iPad as well. I hope it helps others and can get rolled into a future build.

Note: It isn't exactly the cleanest or most streamlined implementation. It uses certain flags to rebuild the image name string for all the extraneous cases.

 

Are Qoobit's fix (or an equivalent) inlcuded in Unity 4.5.4p3? We're still seeing the same issue with iPhone 6/6+ splash screens being incorrect with p3.

If not in p3, when will these fixes be integrated into an official patch release?

 

will this patch work with unity_update-4.6.0b17 ? it would be great if we could have those fixes plus the new UI.

 

Hi David,

Code (ObjectiveC):

1. if (scale > 1.0f)
2.     szSuffix = "@2x";
3. else if (scale > 2.0f)
4.     szSuffix = "@3x";

The @3x Scale will never get executed in the SplashScreen fix that was submitted last week.

Also, can we look at options for future updates? Maybe take the best fitting resolution? Or find a way to get which ever splash screen was loaded by iOS?

Cheers,
~C

 

This is really unaceeptable. How many patches there will be before you can actually fix these issues? (There have been more than 3 patches - updates so far).

Updating unity with patch releases is a nightmare now. With each update we have to rebuild the entire Xcode from the scratch since unity can't append existing xcode projects built with a slightly older patch. This can be extremly frustrating since 50% of our project was coded nativly in Xcode and the process of rebuilding the entire project each small patch becomes very time consuming. We have been holding the release for more than 2 weeks waiting for these bugs - fixes to be sorted out.

I see another patch (4.5.5p2) released on 23 October. Does this patch include a fix for the @3x splash screen or we still need another patch?

Thanks!

 

I don't own an iPhone 6 or 6+, but we've updated our app with Xcode 6.0.1 using the IOS 8 SDK to take advantage of the new screen real estate, Also app previews etc, with this submission. Since day 1 our app is designed to work on any screen size and dpi, for easy porting to android etc. First observation, Publishing out to our IPad 2 the app size on the device is about 60MB larger! went from about 400MB to 460MB, from Xcode 5.1.1 to Xcode 6.0.1
We just submitted this app and the estimated size on store is 378MB, 110MB larger than previous submission. Like another user has stated this is size on device now, but my installed on device test is about 80MB larger than this estimate.
Also if you create an ipa and export it, it comes in at only 277 MB v 467 installed. (I know Ipa compressed.) This is in line with previous version estimates.
When you check the size of the Unity Exported Xcode Project and data, they are almost identical. (Unity 4.3.4 v Unity 4.5.5) So unity has caused no inflation.
Xcode 6 / IOS 8 SDK has caused this inflation! We published for armv7 only. (so no extra 64 bit stuff) However apple flagged a warning that in 2015 all submissions must support 64 bit, so weather its being included to get users used to the extra space usage? I know madness, but just a thought. And why would code take up so much room!

Our app is The Lost Diamonds and is only 225 Mb on Android. Currently 267MB on the app store (larger mp4s on iOS, due to android video storage issues we had) will be interesting to know what the new size is after approval, on iOS store.

We tried to use UnityV4.5.5p3, but it broke our Android version, on one of our test devices however it looks like I need at least p2 for iPhone 6? Maybe I need to reject this version, and start over testing with a new patch release.
Just noticed V4.5.5p4 released, what does it mean by the following.
iOS: Added support for iPad Mini 3 and iPad Air.
TLD has run on iPad air since may when first released.
Be more specific please with these descriptions, to know if we are affected.

what a nightmare!
Edit: Just rejected my app, its obvious 4.5.5 has too many issues with IPhone 6, now, "pick a patch any patch" said the card shark!

Any Ideas Anyone, on the app size issues? ? ? ? ?

 

I'll answer myself, about the app size issue. Note this is not estimated store size this is actually on my device. Basically the version on my device was built with unity 4.5.5 and Xcode 5.1.1 after building and pushing to device with Xcode 6, it did grow by about 60 MB.
If I delete the app off my device and do a fresh install with Xcode 601, it comes back down to normal size, The 60 mb extra is actually pretty close to my RAW (Streaming Assets) Folder?

So I tried to reproduce building with Xcode 5.1.1 then Upgrading the app using Xcode 6.0.1 using unity 4.5.5p4
but it gave me a normal app size ? ? ? The original sequence of events were probably different, ie. The Unity version used to build Xcode 5.1.1 version was 4.5.5 . Anyway I've wasted enough time on this now, I need to move forward.

I hope users don't end up with inflated upgrades, which is what I had before deleting from my device and installing fresh. Users usually don't delete before upgrade, especially when they may lose many hours of gameplay and have to start over.

One positive from all this the 4.5.5p4 fixed the Android (Acer Iconia A500 problem, Tegra 2 I believe) that p3 Broke, so I might just use this version to push another Android update as it fixes a lot of new Androids as well.

 

I have updated to unity 4.6 and i took a build in iphone 6+ i got the same double splash screen problem again, Did anyone noticed? Unity havnt updated this bug in 4.6 release, They have already done that in unity 4.5.5 patch.

 

Hi David,

While I understand it's not always possible to properly leverage the Xcode editor within Unity (for instance, the Asset Catalog), would it be possible to remove all resolution-specific dependencies within the SplashScreen.mm file ?

An example:

Code (CSharp):

1. - (void)updateOrientation:(ScreenOrientation)orient
2. {
3.     NSArray* allPngImageNames = [[NSBundle mainBundle] pathsForResourcesOfType:@"png" inDirectory:nil];
4.     NSString* imageName = nil;
5.    
6.     for (NSString* imgName in allPngImageNames)
7.     {
8.         // Find launch images
9.         if ([imgName containsString:@"LaunchImage"])
10.         {
11.             UIImage* img = [UIImage imageNamed:imgName];
12.             // Has image same scale and dimensions as our current device's screen?
13.             if (img.scale == [UIScreen mainScreen].scale && CGSizeEqualToSize(img.size, [UIScreen mainScreen].bounds.size))
14.             {
15.                 imageName = imgName;
16.                 break;
17.             }
18.         }
19.     }
20.    
21.     if (imageName)
22.     {
23.         [self unloadImage];
24.         self.image = [[UIImage imageNamed:imageName] retain];
25.     }
26.  
27.     splashImageOrient = orient;
28. }

Reference: http://stackoverflow.com/a/26425005

This way, we can manually support new iOS resolutions within Xcode (from the Asset Catalog) and the Unity SplashScreen will support it as well.

Cheers,
~C

 

I use this tool can reduce 50%+ png file size.http://pngquant.org .
Can integrate this tool?

 

I have never try pngquant but I think you can do it. I actually plan to upload my game to Cydia apps store once I finished it.