我刚开始使用React-Native。我正在使用Atom作为Genymotion for Emulator的编辑器。代码工作得很好。但是，当我关于生成Release APK时，我会陷入困境。
我按照https://facebook.github.io/react-native/docs/signed-apk-android的教程，但我有一些错误。
经过一些研究，我运行了这些命令
- react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res
- cd android && ./gradlew assembleRelease
但是我犯了很多错误。
Starting a Gradle Daemon, 1 stopped Daemon could not be reused, use --status for details
> Task :realm:forwardDebugPort
adb: error: no devices/emulators found
===========================================================================
WARNING: Failed to automatically forward port 8083.
In order to use Realm in Chrome debugging mode, port 8083 must be forwarded
from localhost to the device or emulator being used to run the application.
You may need to add the appropriate flags to the command that failed:
adb forward tcp:8083 tcp:8083
===========================================================================
> Task :app:bundleReleaseJsAndAssets
warning: the transform cache was reset.
Loading dependency graph, done.
info Writing bundle output to:, /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/assets/react/release/index.android.bundle
info Done writing bundle output
info Copying 6 asset files
info Done copying assets
> Task :app:mergeReleaseResources FAILED
[drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:mergeReleaseResources'.
> [drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 7m 0s
67 actionable tasks: 4 executed, 63 up-to-date
一些研究表明我必须清空res文件夹，我做了但是在运行./gradlew assembleRelease后我又遇到了另一个错误
> Task :react-native-dialogs:compileReleaseJavaWithJavac
Note: /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/node_modules/react-native-dialogs/android/src/main/java/com/aakashns/reactnativedialogs/modules/DialogAndroid.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
> Task :react-native-fs:compileReleaseJavaWithJavac
Note: /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/node_modules/react-native-fs/android/src/main/java/com/rnfs/RNFSManager.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
> Task :react-native-gesture-handler:compileReleaseJavaWithJavac
Note: /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/node_modules/react-native-gesture-handler/android/src/main/java/com/swmansion/gesturehandler/react/RNGestureHandlerButtonViewManager.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
> Task :realm:forwardDebugPort
adb: error: no devices/emulators found
===========================================================================
WARNING: Failed to automatically forward port 8083.
In order to use Realm in Chrome debugging mode, port 8083 must be forwarded
from localhost to the device or emulator being used to run the application.
You may need to add the appropriate flags to the command that failed:
adb forward tcp:8083 tcp:8083
===========================================================================
> Task :app:bundleReleaseJsAndAssets
warning: the transform cache was reset.
Loading dependency graph, done.
info Writing bundle output to:, /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/assets/react/release/index.android.bundle
info Done writing bundle output
info Copying 6 asset files
info Done copying assets
> Task :app:processReleaseResources FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processReleaseResources'.
> Android resource linking failed
/home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/intermediates/merged_manifests/release/AndroidManifest.xml:15: AAPT: error: resource mipmap/ic_launcher (aka com.asqquestionnaire:mipmap/ic_launcher) not found.
/home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/intermediates/merged_manifests/release/AndroidManifest.xml:15: AAPT: error: resource string/app_name (aka com.asqquestionnaire:string/app_name) not found.
/home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/intermediates/merged_manifests/release/AndroidManifest.xml:15: AAPT: error: resource mipmap/ic_launcher_round (aka com.asqquestionnaire:mipmap/ic_launcher_round) not found.
/home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/intermediates/merged_manifests/release/AndroidManifest.xml:15: AAPT: error: resource style/AppTheme (aka com.asqquestionnaire:style/AppTheme) not found.
/home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/intermediates/merged_manifests/release/AndroidManifest.xml:23: AAPT: error: resource string/app_name (aka com.asqquestionnaire:string/app_name) not found.
error: failed processing manifest.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 3m 10s
70 actionable tasks: 64 executed, 6 up-to-date
从Facebook React-native网站进行配置后，我希望有一个APK。知道出了什么问题。
我不知道如何解决这个问题。有什么建议吗？
好吧，它的重复资源错误。
看，
> Task :app:mergeReleaseResources FAILED
[drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backiconmask.png: Error: Duplicate resources
[drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-mdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-xxxhdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
[drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/src/main/res/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png [drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon] /home/maelfosso/Documents/Projects/Apps/Guitou/Customers/jnadia40/ASQQuestionnaire/android/app/build/generated/res/react/release/drawable-hdpi/node_modules_reactnavigationstack_src_views_assets_backicon.png: Error: Duplicate resources
这些是正常drawable文件夹中的两个相同资源，以及build/generated/res/react/release文件夹中的其他资源。
从drawable删除这六个文件，它将正常工作。
删除
/android/app/src/main/res/drawable-xxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon
/android/app/src/main/res/drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backiconmask
/android/app/src/main/res/drawable-mdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon
/android/app/src/main/res/drawable-xhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon
/android/app/src/main/res/drawable-xxxhdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon
/android/app/src/main/res/drawable-hdpi-v4/node_modules_reactnavigationstack_src_views_assets_backicon
如果删除后仍然出现错误删除所有可绘制文件夹
删除构建文件夹android / app / build和android / build检查drawables中是否有任何重复，如果有任何删除，那么命令：1）react-native bundle --platform android --dev false --entry-file index.js --bundle -output android / app / src / main / assets / index.android.bundle 2）./gradlew clean 3）./gradlew assembleRelease
通过将移动设备连接到PC（可以是模拟器）替换2和3命令，然后使用命令react-native run-android --variant = release这将直接在android mobile中运行发布