使用android studio为react的android项目生成签名apk也是一个很好的和简单的选择，在android studio中打开react的android项目并生成击键和签名apk。

如果有人想建立没有playstore键，那么这个命令将是非常有用的。

# react-native run-android——variant=release

构建完成后，您可以在发布构建文件中找到apk。

只有这对我有用- yarn android -variant=release

Android Studio中的GUI方式

Have the Android app part of the React Native app open in Android Studio (this just means opening the android folder of your react-native project with Android Studio) Go to the "Build" tab at the top Go down to "Build Bundle(s) / APK(s)" Then select "Build APK(s)" This will walk you through a process of locating your keys to sign the APK or creating your keys if you don't have them already which is all very straightforward. If you're just practicing, you can generate these keys and save them to your desktop. Once that process is complete and if the build was successful, there will be a popup down below in Android Studio. Click the link within it that says "locate" (the APK) That will take you to the apk file, move that over to your android device. Then navigate to that file on the Android device and install it.

进入工程目录，执行如下命令:

cd android && ./gradlew assembleRelease

对我来说这是可行的(MACOS)

打开终端

cd project_directory

执行此命令

yarn start

打开另一个终端

运行这些命令

cd android
./gradlew assembleRelease