0b16f3a031
Summary: Restyle of Trobleshooting, which involved changes to sidebar.js and splitting up the previous troubleshooting page into five separate pages. Reviewed By: lblasa Differential Revision: D36282539 fbshipit-source-id: e60834e2b4d98b70b23bb11309c3438d85e4de0e
64 lines
2.2 KiB
Plaintext
64 lines
2.2 KiB
Plaintext
---
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id: android
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title: Troubleshooting Android Issues
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sidebar_label: Android Issues
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custom_edit_url: https://www.internalfb.com/intern/diffusion/FBS/browsefile/master/xplat/sonar/docs/android.mdx
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---
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Flipper is a work in progress and issues may occur. This page contains known issues associated with the Android platform and provides steps you can take to try to resolve them.
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## Exception from call site #4 bootstrap method
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Build error after including the Flipper dependency:
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```
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Exception from call site #4 bootstrap method
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```
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This can happen because we include [OkHttp3](https://github.com/square/okhttp/issues/4597#issuecomment-461204144) as dependency which makes use of Java 8 features. There are two ways of dealing with this:
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**Enable Java 8 support**
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Add this to your Gradle config:
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```groovy
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android {
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compileOptions {
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targetCompatibility = "8"
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sourceCompatibility = "8"
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}
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}
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```
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**Exclude the OkHttp3 dependency**
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Alternatively, if you don't plan on making use of OkHttp, you can exclude the dependency from the build entirely:
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```
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debugImplementation('com.facebook.flipper:flipper:*') {
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exclude group: 'com.squareup.okhttp3'
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}
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```
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## Duplicate class `com.facebook.jni.*`
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This can occur when mixing different versions of [FBJNI](https://github.com/facebookincubator/fbjni),
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a library we use to interact with native C++ code.
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Speficially, this can happen when the versions `0.0.x` and `0.1.x` are mixed. Version `0.1.0` of FBJNI
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switched to using [Google Prefab](https://google.github.io/prefab/) for distributing native artifacts,
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which made the split into combined, "java-only" and "header" packages redundant and only requires
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a single dependency in your projects.
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When including both "fbjni-java-only:0.0.1" and "fbjni:0.1.0" in one project, you will now
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duplicate class errors during the build process. You must ensure that only one of the two
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versions is used in your entire dependency tree. Start by looking at `./gradlew :myapp:dependencies`
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to see where the different version requirements come from. Then exclude the FBJNI dependency from
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one of them, e.g.
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```groovy
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implementation("com.facebook.react:react-native:+") {
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exclude group:'com.facebook.fbjni'
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}
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```
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