i added firebase to my react native project and it's stopped running on my emulator. I've had this issue with firebase & react-native some years back, don't know what the fix was.
Running adb logcat displays this
04-24 22:13:32.453 371 394 E system_server: Invalid ID 0x00000000.
04-24 22:13:32.465 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.468 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.471 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.476 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.479 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.480 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.482 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.484 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.485 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.486 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.487 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.488 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.493 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.494 4759 4759 E com.mvmarket: Unknown bits set in runtime_flags: 0x8000
04-24 22:13:32.494 371 398 E memtrack: Couldn't load memtrack module
04-24 22:13:32.748 174 4798 E ResolverController: No valid NAT64 prefix (101, <unspecified>/0)
04-24 22:13:32.755 202 271 E SurfaceFlinger: ro.sf.lcd_density must be defined as a build property
04-24 22:13:32.755 202 271 E SurfaceFlinger: ro.sf.lcd_density must be defined as a build property
04-24 22:13:32.818 4759 4807 E AndroidRuntime: FATAL EXCEPTION: create_react_context
04-24 22:13:32.818 4759 4807 E AndroidRuntime: Process: com.mvmarket, PID: 4759
04-24 22:13:32.818 4759 4807 E AndroidRuntime: java.lang.NoSuchMethodError: No static method createEgl14([I)Lorg/webrtc/EglBase14; in class Lorg/webrtc/EglBase; or its super classes (declaration of 'org.webrtc.EglBase' appears in /data/app/com.mvmarket-R-KOl49no3K6lCqfeV5j9A==/base.apk)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.oney.WebRTCModule.EglUtils.getRootEglBase(EglUtils.java:35)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.oney.WebRTCModule.EglUtils.getRootEglBaseContext(EglUtils.java:62)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.oney.WebRTCModule.WebRTCModule.<init>(WebRTCModule.java:107)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.oney.WebRTCModule.WebRTCModule.<init>(WebRTCModule.java:76)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.oney.WebRTCModule.WebRTCModulePackage.createNativeModules(WebRTCModulePackage.java:15)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactPackageHelper.getNativeModuleIterator(ReactPackageHelper.java:42)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.NativeModuleRegistryBuilder.processPackage(NativeModuleRegistryBuilder.java:42)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactInstanceManager.processPackage(ReactInstanceManager.java:1476)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactInstanceManager.processPackages(ReactInstanceManager.java:1447)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactInstanceManager.createReactContext(ReactInstanceManager.java:1341)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactInstanceManager.access$1200(ReactInstanceManager.java:138)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at com.facebook.react.ReactInstanceManager$5.run(ReactInstanceManager.java:1111)
04-24 22:13:32.818 4759 4807 E AndroidRuntime: at java.lang.Thread.run(Thread.java:919)
04-24 22:13:32.850 371 473 E InputDispatcher: channel '932d8ad com.mvmarket/com.mvmarket.MainActivity (server)' ~ Channel is unrecoverably broken and will be disposed!
04-24 22:13:32.857 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.857 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.874 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.890 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.906 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.924 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.940 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.956 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.974 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
04-24 22:13:32.990 202 202 E Layer : [Surface(name=AppWindowToken{82ce2ce token=Token{53e3bc9 ActivityRecord{127bfd0 u0 com.mvmarket/.MainActivity t75}}})/@0xafd9b7e - animation-leash#0] No local sync point found
Fixed it According to the stacktrace, it was an issue with react-native-webrtc
Fixed with this https://stackoverflow.com/a/67592188/11901942
Thanks @Gabe Sechan