fix: AbstractMethodError when getting Lifecycle

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Fixes
 
+- Fixed AbstractMethodError when getting Lifecycle ([#2228](https://github.com/getsentry/sentry-java/pull/2228))
 - Avoid sending empty profiles ([#2232](https://github.com/getsentry/sentry-java/pull/2232))
 
 ## 6.4.1

sentry-android-core/src/main/java/io/sentry/android/core/AppLifecycleIntegration.java

@@ -83,14 +83,29 @@ private void addObserver(final @NotNull IHub hub) {
     if (this.options == null) {
       return;
     }
+
     watcher =
         new LifecycleWatcher(
             hub,
             this.options.getSessionTrackingIntervalMillis(),
             this.options.isEnableAutoSessionTracking(),
             this.options.isEnableAppLifecycleBreadcrumbs());
-    ProcessLifecycleOwner.get().getLifecycle().addObserver(watcher);
-    options.getLogger().log(SentryLevel.DEBUG, "AppLifecycleIntegration installed.");
+
+    try {
+      ProcessLifecycleOwner.get().getLifecycle().addObserver(watcher);
+      options.getLogger().log(SentryLevel.DEBUG, "AppLifecycleIntegration installed.");
+    } catch (Throwable e) {
+      // This is to handle a potential 'AbstractMethodError' gracefully. The error is triggered in
+      // connection with conflicting dependencies of the androidx.lifecycle.
+      // //See the issue here: https://github.com/getsentry/sentry-java/pull/2228
+      watcher = null;
+      options
+          .getLogger()
+          .log(
+              SentryLevel.ERROR,
+              "AppLifecycleIntegration failed to get Lifecycle and could not be installed.",
+              e);
+    }
   }
 
   private void removeObserver() {