How to configure Firebase Crashlytics to get NDK crash reports

Question

I am currently working on an Android application in which one I use 2 native libraries:

GStreamer
baresip.

On some Android device, on a specific use case, the GStreamer native library crashes my app with the following stacktrace:

Fatal signal 11 (SIGSEV), code 1 (SEGV_MAPPER), fault addr 0xaaaaaaaaaaaaaaa in tid 2458 (souphttpsrc0:sr), pid 2334 (application.id)

#05 pc 00000000000e24a4 /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+36) (BuildId: ceedf0f98da575de138b0c631aceca44)

#06 pc 0000000000083d98 /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: ceedf0f98da575de138b0c631aceca44)

I can see this issue into the logcat but not into my Firebase Crashlytics console. In order to be aware of the NDK crashs into my app, I would like to implement the Firebase Crashlytics for NDK SDK.

My application contains 2 flavor dimensions:

an "app" dimension to deploy the app on 2 stores (playstore and a custom one) ;
en "environment" dimension (prod, staging, qa).

If I add the 2 built types (debug and release), it means that I have 12 build variants.

For the 2 "app" dimensions, I use a different version of the GStreamer library. GStreamer is not built directly into my Android application with a dedicated NDK script that builds so files.

baresip is built into my application using cmake:

externalNativeBuild
{
  cmake
  {
    cFlags '-DHAVE_INTTYPES_H'
  }
}

Here the structure of my project:

project/
 +- app/
      |
      +- src/
          |
          +- main/
                |
                +- ccp/
                     |
                     +- baresipenative.c
                     +- CMakeLists.txt
          +- appFlavor1/
                |
                + jniLibs/
                      |
                      +- arm64-v8a/
                                 |
                                 +- libc++_shared.so
                                 +- libgstreamer_android.so
                                 +- libgstreamernative.so
                      +- armeabi-v7a/
                                 |
                                 +- libc++_shared.so
                                 +- libgstreamer_android.so
                                 +- libgstreamernative.so
          +- appFlavor2/
                |
                + jniLibs/
                      |
                      +- arm64-v8a/
                                 |
                                 +- libc++_shared.so
                                 +- libgstreamer_android.so
                                 +- libgstreamernative.so
                      +- armeabi-v7a/
                                 |
                                 +- libc++_shared.so
                                 +- libgstreamer_android.so
                                 +- libgstreamernative.so

According to the Firebase Crashlytics NDK SDK, I need to configure the firebaseCrashlytics properties into the build.gradle file.

When I configure only the nativeSymbolUploadEnabled, nothing appears into the Crashlytics console:

firebaseCrashlytics {
  nativeSymbolUploadEnabled true
}

So I guess that I need to configure also the strippedNativeLibsDir and the unstrippedNativeLibsDir properties like this:

firebaseCrashlytics {
  nativeSymbolUploadEnabled true
  strippedNativeLibsDir 'path/to/stripped/parent/dir'
  unstrippedNativeLibsDir 'path/to/unstripped/parent/dir'
}

If I understand correcly the documentation, into thestrippedNativeLibsDir property, I should put the path to the obj directory of baresip build files ?

And into the unstrippedNativeLibsDir property I should put the path to so files of GStreamer ?

Thank you in advance for your help!

How to configure Firebase Crashlytics to get NDK crash reports

Answers (1)

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