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You can change your_key_name with any name you want, as well as your_key_alias. Once you run the keytool utility, you’ll be prompted to type in a password. You can create one using the keytool in the terminal with the following command keytool -genkey -v -keystore your_key_name.keystore -alias your_key_alias -keyalg RSA -keysize 2048 -validity 10000 ![]() You will need a Java generated signing key which is a keystore file used to generate a React Native executable binary for Android. If everything compiles as expected you are good to go. #ANDROID STUDIO DEVELOPMENT VERSUS PRODUCTION ANDROID#That means, it is compiling and running successfully on the emulator or on an Android device Thus, open the Android project using Android Studio or run it from the command line. Using React Native CLIįirst of all, make sure your Android project is error free. There are two ways to generate a production-ready build for Android, so we are presenting both of them below. We are documenting our learnings in this React Native tutorial, to help mobile developers ship their Android apps to production more quickly. #ANDROID STUDIO DEVELOPMENT VERSUS PRODUCTION HOW TO#In this tutorial, we are going to learn how to generate a React Native Release Build APK for Android, using both React Native CLI and Android Studio IDE.Īt Instamobile, we launched all of our React Native Templates to production (Google Play Store demos), so we are familiar with the process as well as the errors that might show up when generating a React Native Release Build APK for Android. If you have a more specific question please clarify.React Native developers are often in the situation of releasing their React Native apps to the Google Play Store so that Android users can download them. You can read more about building and running apps here. You can send it to your friends (please don't) so they can sign apps as you. This production key is not machine specific. By using one key for all instals, every app will be able to access the same API's, so long as you register for them with your production key. Release/production mode allows you to sign the app is one universal key, not tied to a specific machine. Because our two keys are different his app will not load properly. ![]() The problem is that access to the Google Maps API is dependent on having an app installed that is registered with the right key. #ANDROID STUDIO DEVELOPMENT VERSUS PRODUCTION REGISTRATION#Why does this matter? Well, going back to the API registration process mentioned above, if I create our company wide Google Maps API registration using my debug key (bad idea) when my friend sitting next to me builds the app in debug mode on his machine he will encounter an error. #ANDROID STUDIO DEVELOPMENT VERSUS PRODUCTION INSTALL#This means if I build an app in debug mode to install to my phone, and another developer sitting right next to me builds the exact same code base to run on his phone our two applications will be signed with different debug keys. This key identifies the app creator and is useful, in production, to ensure that the developer is not sending crap malware to those on the Google Play Store (or at least if they are we know where to find them).īuilds created in debug mode are signed with a debug key that is localized to a specific machine. All android applications are signed when they are built by a unique key. The difference is in who can run them and how you can run them. Your question is confusing/vague because in reality there is no difference in the two builds. This would include most API's, like GoogleMaps or Facebook, and anything else that uses your build key to generate a unique identifier (think most OAuth2 products). they require you to register either the debug or production key to work properly. The limited exceptions relate to features that are signature dependent, i.e. The production build will run the same as the debug build with some limited exceptions. There is no difference between the two builds. ![]()
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