[Bug]: Initializing SDK on main thread

[abdulraqeeb33]

What happened?

Version 5.1.28+ has several ANR's mostly related to initialization of the SDK happening on the main thread.

Steps to reproduce?

1. Typical usage of the SDK

What did you expect to happen?

The app should not run in to ANR.

OneSignal Android SDK version

Release 5.1.28

Android version

5.1

Specific Android models

* Android Studio - Emulator

Relevant log output

`"main" tid=1 Blocked
  at com.onesignal.common.services.ServiceProvider.getServiceOrNull (ServiceProvider.kt:77)
  at com.onesignal.common.services.ServiceProvider.getService (ServiceProvider.kt:67)
  at com.onesignal.common.services.ServiceProvider.getService$com_onesignal_core (ServiceProvider.kt:35)
  at com.onesignal.internal.OneSignalImp.getInAppMessages (OneSignalImp.kt:113)
  at com.onesignal.OneSignal.getInAppMessages (OneSignal.kt:78)
  at <private>
  at android.os.Handler.handleCallback (Handler.java:942)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:223)
  at android.os.Looper.loop (Looper.java:324)
  at android.app.ActivityThread.main (ActivityThread.java:8675)
  at java.lang.reflect.Method.invoke (Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:582)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1061)
`

`"main" tid=1 Runnable
  #00  pc 0x00000000004ca2ec  /apex/com.android.art/lib64/libart.so (art::DumpNativeStack+108)
  #01  pc 0x00000000004342b4  /apex/com.android.art/lib64/libart.so (art::Thread::DumpStack const+436)
  #02  pc 0x0000000000433fd0  /apex/com.android.art/lib64/libart.so (art::DumpCheckpoint::Run+120)
  #03  pc 0x000000000028e190  /apex/com.android.art/lib64/libart.so (art::Thread::RunCheckpointFunction+144)
  #04  pc 0x000000000042bdac  /apex/com.android.art/lib64/libart.so (artTestSuspendFromCode+256)
  #05  pc 0x0000000000343eec  /apex/com.android.art/lib64/libart.so (art_quick_test_suspend+156)
  at java.lang.reflect.Executable.getParameterTypesInternal (Native method)
  at java.lang.reflect.Constructor.getParameterTypes (Constructor.java:138)
  at libcore.reflect.GenericSignatureParser.parseForConstructor (GenericSignatureParser.java:192)
  at java.lang.reflect.Executable.getMethodOrConstructorGenericInfoInternal (Executable.java:706)
  at java.lang.reflect.Executable.getGenericParameterTypes (Executable.java:270)
  at java.lang.reflect.Constructor.getGenericParameterTypes (Constructor.java:164)
  at com.onesignal.common.services.ServiceRegistrationReflection.doesHaveAllParameters (ServiceRegistration.kt:101)
  at com.onesignal.common.services.ServiceRegistrationReflection.resolve (ServiceRegistration.kt:62)
  at com.onesignal.common.services.ServiceProvider.getServiceOrNull (ServiceProvider.kt:79)
  at com.onesignal.common.services.ServiceProvider.getService (ServiceProvider.kt:67)
  at com.onesignal.common.services.ServiceProvider.getService$com_onesignal_core (ServiceProvider.kt:35)
  at com.onesignal.internal.OneSignalImp.initWithContext (OneSignalImp.kt:210)
  at com.onesignal.OneSignal.initWithContext (OneSignal.java:135)
  at <private>
  at android.os.Handler.handleCallback (Handler.java:958)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:205)
  at android.os.Looper.loop (Looper.java:294)
  at android.app.ActivityThread.main (ActivityThread.java:8492)
  at java.lang.reflect.Method.invoke (Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:640)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1026)`

`"main" tid=1 Runnable
  #00  pc 0x00000000004ca2ec  /apex/com.android.art/lib64/libart.so (art::DumpNativeStack+108)
  #01  pc 0x00000000004342b4  /apex/com.android.art/lib64/libart.so (art::Thread::DumpStack const+436)
  #02  pc 0x0000000000433fd0  /apex/com.android.art/lib64/libart.so (art::DumpCheckpoint::Run+120)
  #03  pc 0x000000000028e190  /apex/com.android.art/lib64/libart.so (art::Thread::RunCheckpointFunction+144)
  #04  pc 0x000000000022f2ec  /apex/com.android.art/lib64/libart.so (art::ClassLinker::LoadClass+2100)
  #05  pc 0x0000000000226488  /apex/com.android.art/lib64/libart.so (art::ClassLinker::DefineClass+1620)
  #06  pc 0x00000000002396ac  /apex/com.android.art/lib64/libart.so (art::ClassLinker::FindClassInBaseDexClassLoader+1196)
  #07  pc 0x00000000002055e4  /apex/com.android.art/lib64/libart.so (art::ClassLinker::FindClass+1004)
  #08  pc 0x00000000002f0e14  /apex/com.android.art/lib64/libart.so (art::ClassLinker::DoResolveType+116)
  #09  pc 0x00000000002f0928  /apex/com.android.art/lib64/libart.so (art::ObjPtr<art::mirror::Class> art::ClassLinker::DoResolveType<art::ObjPtr<art::mirror::Class>>+140)
  #10  pc 0x0000000000226b48  /apex/com.android.art/lib64/libart.so (art::ClassLinker::DefineClass+3348)
  #11  pc 0x00000000002396ac  /apex/com.android.art/lib64/libart.so (art::ClassLinker::FindClassInBaseDexClassLoader+1196)
  #12  pc 0x00000000002055e4  /apex/com.android.art/lib64/libart.so (art::ClassLinker::FindClass+1004)
  #13  pc 0x00000000002f0e14  /apex/com.android.art/lib64/libart.so (art::ClassLinker::DoResolveType+116)
  #14  pc 0x00000000002ee6f0  /apex/com.android.art/lib64/libart.so (art::verifier::RegType const& art::verifier::impl::::MethodVerifierImpl::ResolveClass<2>+408)
  #15  pc 0x00000000002e9f68  /apex/com.android.art/lib64/libart.so (art::verifier::impl::::MethodVerifier<false>::CodeFlowVerifyInstruction+5852)
  #16  pc 0x00000000002e79e4  /apex/com.android.art/lib64/libart.so (art::verifier::impl::::MethodVerifier<false>::Verify+608)
  #17  pc 0x00000000002aeab0  /apex/com.android.art/lib64/libart.so (art::verifier::MethodVerifier::FailureData art::verifier::MethodVerifier::VerifyMethod<false>+256)
  #18  pc 0x00000000005d9c3c  /apex/com.android.art/lib64/libart.so (art::verifier::ClassVerifier::VerifyClass+1176)
  #19  pc 0x00000000005d972c  /apex/com.android.art/lib64/libart.so (art::ClassLinker::PerformClassVerification+264)
  #20  pc 0x00000000004b1188  /apex/com.android.art/lib64/libart.so (art::ClassLinker::VerifyClass+3560)
  #21  pc 0x000000000055b9bc  /apex/com.android.art/lib64/libart.so (art::ClassLinker::InitializeClass+1172)
  #22  pc 0x00000000002d37b8  /apex/com.android.art/lib64/libart.so (art::ClassLinker::EnsureInitialized+156)
  #23  pc 0x000000000060c6bc  /apex/com.android.art/lib64/libart.so (art::Class_classForName+372)
  at java.lang.Class.classForName (Native method)
  at java.lang.Class.forName (Class.java:597)
  at java.lang.Class.forName (Class.java:502)
  at com.onesignal.internal.OneSignalImp.<init> (OneSignalImp.kt:168)
  at com.onesignal.OneSignal$oneSignal$2.invoke (OneSignal.kt:196)
  at com.onesignal.OneSignal$oneSignal$2.invoke (OneSignal.kt:195)
  at kotlin.SynchronizedLazyImpl.getValue (LazyJVM.kt:83)
  at com.onesignal.OneSignal.getOneSignal (OneSignal.kt:195)
  at com.onesignal.OneSignal.getDebug (OneSignal.kt:88)
  at <private>
  at android.os.Handler.handleCallback (Handler.java:942)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:226)
  at android.os.Looper.loop (Looper.java:313)
  at android.app.ActivityThread.main (ActivityThread.java:8762)
  at java.lang.reflect.Method.invoke (Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:604)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1067)`

`"main" tid=1 Blocked
  at com.onesignal.common.services.ServiceProvider.getServiceOrNull (ServiceProvider.kt:77)
  at com.onesignal.common.services.ServiceProvider.getService (ServiceProvider.kt:67)
  at com.onesignal.internal.OneSignalImp.getInAppMessages (OneSignalImp.kt:496)
  at com.onesignal.OneSignal.getInAppMessages (OneSignal.kt:78)
  at <private>
  at android.os.Handler.handleCallback (Handler.java:958)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:205)
  at android.os.Looper.loop (Looper.java:294)
  at android.app.ActivityThread.main (ActivityThread.java:8500)
  at java.lang.reflect.Method.invoke (Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:640)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1026)`

`"main" tid=1 Runnable
  at com.onesignal.OneSignal$oneSignal$2.invoke (OneSignal.kt)
  at com.onesignal.OneSignal$oneSignal$2.invoke (OneSignal.kt)
  at kotlin.SynchronizedLazyImpl.getValue (LazyJVM.kt:83)
  at com.onesignal.OneSignal.getOneSignal (OneSignal.kt:195)
  at com.onesignal.OneSignal.getDebug (OneSignal.kt:88)
  at <private>
  at android.os.Handler.handleCallback (Handler.java:942)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:223)
  at android.os.Looper.loop (Looper.java:324)
  at android.app.ActivityThread.main (ActivityThread.java:8611)
  at java.lang.reflect.Method.invoke (Native method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:582)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1061)`

Code of Conduct

• I agree to follow this project's Code of Conduct

[jinliu9508]

We’re excited to share that we’ve released 5.4.0-alpha-01, which includes a refactor of OneSignal.initWithContext. This update moves heavy initialization work off the main thread, helping to avoid ANRs and significantly improving startup performance.

We encourage you to review the release notes, give the new version a try, and let us know how it works for you. Your feedback is invaluable in helping us validate these improvements and continue making the SDK more reliable and efficient.