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Is there anything that a device can do that the simulator can't? There are obvious things like using the accelerometer in a certain way, but are there others? Such as DSP, for example? My app runs fine on the device, but crashes on the simulator and I just want to make sure that it is not due to any of the simulators possible inherent limitations.
Thanks!
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Install Apps on SimulatorsTo install an app on a connected simulator, follow these steps. Go to Apps > Install Application. Find and open the app you want to install from your Mac. The app appears in the list of installed apps on the right side of the iOS Gateway window.
type: ~/Library/Application Support/iPhone Simulator. The Directories are the iOS version of the different Simulators. The Sub Directories are the Apps install on the simulator.
Simulator doesn't try to exactly simulate the GPU from the iOS or tvOS device you are simulating. For example, if you are simulating the iPhone XS, Simulator does not try to emulate the capabilities of an A12 GPU. Instead, Simulator translates any calls you make and directs them to the selected GPU on the host Mac.
An iOS Simulator basically mimics an iOS app or browser on top of a developer's operating system. This is viewable in an iPad or iPhone like window. They cannot virtualize the actual hardware conditions of an iOS device, which is the main requirement for comprehensive testing and debugging.
Within iOS Simulator, there are some limitations,
including: Apple Push Services Privacy alerts for access to Photos, Contacts, Calendar, and Reminders The UIBackgroundModes key iCloud document syncing and key-value storage support
Unsupported frameworks include:
External Accessory
Media Player
Message UI
Event Kit
In UIKit, the UIVideoEditorController class
Store Kit
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