我在这个问题上坚持了很长时间，我试图创建发行版apk，我不确定是什么问题。我什至不知道哪个包放了我从未使用过的lineargradient。下面是gradlew assembleRelease生成的日志。
$ ./gradlew assembleRelease
> Configure project :app
WARNING: The option 'android.enableAapt2' is deprecated and should not be used anymore.
Use 'android.enableAapt2=true' to remove this warning.
It will be removed at the end of 2018..
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
> Configure project :react-native-image-crop-picker
WARNING: The option 'android.enableAapt2' is deprecated and should not be used anymore.
Use 'android.enableAapt2=true' to remove this warning.
It will be removed at the end of 2018..
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
> Configure project :react-native-linear-gradient
WARNING: The option 'android.enableAapt2' is deprecated and should not be used anymore.
Use 'android.enableAapt2=true' to remove this warning.
It will be removed at the end of 2018..
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
> Configure project :react-native-photo-view
WARNING: The option 'android.enableAapt2' is deprecated and should not be used anymore.
Use 'android.enableAapt2=true' to remove this warning.
It will be removed at the end of 2018..
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
> Configure project :react-native-vector-icons
WARNING: The option 'android.enableAapt2' is deprecated and should not be used anymore.
Use 'android.enableAapt2=true' to remove this warning.
It will be removed at the end of 2018..
WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html
/Users/kyawhtetsoe/.gradle/caches/transforms-1/files-1.1/appcompat-v7-26.1.0.aar/1e3d52542bd842fd47d855ed3913d7b6/res/values-v24/values-v24.xml:3:5-157: AAPT: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Material.Widget.Button.Borderless.Colored'.
/Users/kyawhtetsoe/.gradle/caches/transforms-1/files-1.1/appcompat-v7-26.1.0.aar/1e3d52542bd842fd47d855ed3913d7b6/res/values-v24/values-v24.xml:4:5-135: AAPT: Error retrieving parent for item: No resource found that matches the given name 'android:TextAppearance.Material.Widget.Button.Colored'.
/Users/kyawhtetsoe/.gradle/caches/transforms-1/files-1.1/appcompat-v7-26.1.0.aar/1e3d52542bd842fd47d855ed3913d7b6/res/values-v26/values-v26.xml:13:5-16:13: AAPT: No resource found that matches the given name: attr 'android:keyboardNavigationCluster'.
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':react-native-linear-gradient:verifyReleaseResources'.
> com.android.ide.common.process.ProcessException: Failed to execute aapt
* 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
BUILD FAILED in 8s
120 actionable tasks: 2 executed, 118 up-to-date
Kyaws-MacBook-Pro-2:android kyawhtetsoe$