Error loading pngs from a .bundle in Objective-c

Question

I'm building a framework in my Xcode project. To build the framework, I created an aggregate target. The framework consists of the static library, header files, and bundle of .png assets, `MyFrameworkResources.bundle`. When I build the aggregate, everything is successfully created and the bundle exists in my Products directory. Also in my Xcode project is a target Application. This application is for testing the framework products (static library, header files, and bundle). I've added the static library and `MyFrameworkResources.bundle` to the Target Dependencies of the target Application. I've also added `MyFrameworkResources.bundle` to Copy Bundle Resources in Build Phases of the target Application. I can use all files from the static library just fine, but I get an error when trying to load resources from the bundle. This is how I'm loading assets from the bundle: ``` NSString *mainBundlePath = [[NSBundle mainBundle] resourcePath]; NSString *frameworkBundlePath = [mainBundlePath st…

Accepted Answer

Ah after struggling on this a bit more, I cd'd into `MyFrameworkResources.bundle` just to double check that all the assets were included. It turns out that Xcode renamed the .png files to .tiff files, and removed the retina assets. After further investigation, I discovered that Xcode automatically combines the retina and non-retina .png files into a "one multi-page TIFF". Here's a reference.

Solution, use `ofType:@"tiff"` instead of `ofType:@"png"`:

```
UIImage *image = [UIImage imageWithContentsOfFile:[frameworkBundle pathForResource:@"AnyImage" ofType:@"tiff"]];
```

Error loading pngs from a .bundle in Objective-c

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