This syntax creates what’s called a “compiler directive”, and is not actually executed until app compilation. You may notice that if statement is not written in Swift. When the app is actually compiled, the correct baseApiUrl will be used, based on which build scheme is selected in the top bar of Xcode. Now for the really useful part! In code, we can access the flags we created in the build settings like so: #if DEVELOPMENT Build, Run, Test, etc) to ensure consistency. I normally do this for each part of the scheme (e.g. You can keep the existing one and rename it if you’d like.Įdit each build scheme you created and, in the Info tab, set the corresponding build configuration. From there, click on the “+” button at the bottom of the view and add a new scheme for each build configuration. In the top bar of Xcode, click on on the build scheme (this will be the name of the project, right next to the device selection). The next step is to create build schemes for each of the build configurations we now have. The convention on naming these is to use all caps. For each of the build settings listed, add a text flag. To set these flags, go to build settings for the target, and locate the Active Compilation Conditions section under Swift Compiler – Custom Flags. Doing this will create flags at compile time which we can access in code so that we’re able to make changes based on the app environment. Now that we have build configurations set up, we can add what are called Active Compilation Conditions in the project build settings. Setting Flags That Are Accessible in Code Having different configurations for each makes it easy to deal with those variations. Most apps I’ve worked on have different API URLs, depending on whether the app is being deployed locally by the developer, is being tested, or is released on the app store. I typically have “Release”, “Test” and “Development” configurations in my small-to-medium projects. To add a new one, click the “+” button and select which existing configuration you would like to duplicate. You’ll need to have at least one configuration though. You can just use these if you’d like, or you can rename or remove them. You will see two existing configurations which are present in any new project you create, “Debug” and “Release”. From there, make sure you have the project itself selected (not any targets). We’ll go through the steps to set this up below.įirst, go into the Xcode project file settings. Changing property values and executing code conditionally, depending on the environment, becomes essentially automatic. This makes it easy to compile an app for a particular environment (test, development, release, etc). If you think we haven't yet covered a support topic or you're just looking to submit a feature request, feel free to contact us at any time.Build configurations in iOS development allow us to create specifications about how we want our app to be built. Bonjour Debugging: Why can't I connect to my app?. Reveal Keyboard Shortcuts and Modifiers.Load Reveal Server via an Xcode Breakpoint.Integrating Reveal with your iOS application.If you haven't already added a build phase to load Reveal, you should follow the instructions at Load Reveal Server via an Xcode Breakpoint - scroll down to the section titled " Debugging on device".Please be sure not to set this for your release/production configurations! For any of the configurations that you want Reveal to load, set the value to " $(CONFIGURATION)". Enter " REVEAL_LOAD_FOR_CONFIGURATION " as the name of the setting, then expand it - you will see a row for each of your project's configurations.Navigate to Xcode's build settings for your target, and add a " User-Defined Setting":.To work around this issues, you will need to set the REVEAL_LOAD_FOR_CONFIGURATION environment variable to the full name of your configuration. If your Xcode project uses configuration names other than "Debug" and "Release", RevealServer may fail to load automatically.
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