Fix GestureDetectorCompat crashes if initialized from background thread

Author: markushi

sentry-android-core/src/main/java/io/sentry/android/core/internal/gestures/SentryWindowCallback.java

@@ -1,6 +1,8 @@
 package io.sentry.android.core.internal.gestures;
 
 import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
 import android.view.MotionEvent;
 import android.view.Window;
 import androidx.core.view.GestureDetectorCompat;
@@ -27,7 +29,7 @@ public SentryWindowCallback(
       final @Nullable SentryOptions options) {
     this(
         delegate,
-        new GestureDetectorCompat(context, gestureListener),
+        new GestureDetectorCompat(context, gestureListener, new Handler(Looper.getMainLooper())),
         gestureListener,
         options,
         new MotionEventObtainer() {});

sentry/src/main/java/io/sentry/Sentry.java

@@ -345,7 +345,16 @@ private static void init(final @NotNull SentryOptions options, final boolean glo
         // and Scopes was still NoOp.
         // Registering integrations here make sure that Scopes is already created.
         for (final Integration integration : options.getIntegrations()) {
-          integration.register(ScopesAdapter.getInstance(), options);
+          try {
+            integration.register(ScopesAdapter.getInstance(), options);
+          } catch (Throwable t) {
+            options
+                .getLogger()
+                .log(
+                    SentryLevel.WARNING,
+                    "Failed to register the integration " + integration.getClass().getName(),
+                    t);
+          }
         }
 
         notifyOptionsObservers(options);