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When using external framework Xcode now has an Embedded Binaries as well as Linked Frameworks section.
When you download an external framework and Finder->drag it into Xcode, it will place the framework into the Linked Frameworks and Libraries section.
When you build a library with Carthage it recommends dragging into the Embedded Binaries section.
Both seem to be working in terms of linkage, as the API becomes available either way, further more when adding a framework into the Embedded Binaries section is it also automatically gets added into the Linked Frameworks and Libraries section.
So, who is right? Carthage or the rest of the internet? and why are there 2 options for including external resources into Xcode projects?
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Embedded binaries are binary files that are copied to your application bundle when you build the project. Use embedded binaries when your application relies on third-party frameworks so people can use your application without needing those frameworks installed on their machine.
1. Software layers sit between the operating system and the user applications to provide OS agnostic and platform agnostic services for embedded developments. Learn more in: Framework-Based Debugging for Embedded Systems.
A framework is a hierarchical directory that encapsulates a dynamic library, header files, and resources, such as storyboards, image files, and localized strings, into a single package. Apps using frameworks need to embed the framework in the app's bundle.
Linking- We must link a framework if we use any API defined in it.
Embedding - This process will ensure the added framework will be embedded within the App bundle, and potentially will help sharing code between the app, and any extension bundles. We embed only third party frameworks and not the ones provided by iOS as they are readily available in the device. If we are embedding, that means that, we will need to link to them too so that Xcode can compile and create the build. When the app runs in the device, then the embedded framework will be loaded into memory when needed.
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