fix analyze problems

flutter/lib/src/default_integrations.dart

@@ -246,9 +246,7 @@ class LoadAndroidImageListIntegration
     options.addEventProcessor(
       (event, {hint}) async {
         try {
-          if (event.exception != null &&
-              event.exception!.stackTrace != null &&
-              event.exception!.stackTrace!.frames != null) {
+          if (event.exception != null && event.exception!.stackTrace != null) {
             final needsSymbolication = event.exception!.stackTrace!.frames
                 .any((element) => 'native' == element.platform);
 
@@ -326,10 +324,6 @@ class LoadReleaseIntegration extends Integration<SentryFlutterOptions> {
   FutureOr<void> call(Hub hub, SentryFlutterOptions options) async {
     try {
       if (!kIsWeb) {
-        if (_packageLoader == null) {
-          options.logger(SentryLevel.debug, 'Package loader is null.');
-          return;
-        }
         final packageInfo = await _packageLoader();
         final release =
             '${packageInfo.packageName}@${packageInfo.version}+${packageInfo.buildNumber}';

flutter/lib/src/navigation/sentry_navigator_observer.dart

@@ -118,13 +118,12 @@ class RouteObserverBreadcrumb extends Breadcrumb {
     String? to,
     dynamic toArgs,
     SentryLevel? level,
-  })  : assert(navigationType != null),
-        super(
+  }) : super(
             category: _navigationKey,
             type: _navigationKey,
             level: level,
             data: <String, dynamic>{
-              if (navigationType != null) 'state': navigationType,
+              'state': navigationType,
               if (from != null) 'from': from,
               if (fromArgs != null) 'from_arguments': fromArgs,
               if (to != null) 'to': to,

flutter/lib/src/sentry_flutter.dart

@@ -31,10 +31,6 @@ mixin SentryFlutter {
     AndroidPlatformChecker isAndroidChecker = isAndroid,
     MethodChannel channel = _channel,
   }) async {
-    if (optionsConfiguration == null) {
-      throw ArgumentError('OptionsConfiguration is required.');
-    }
-
     final flutterOptions = SentryFlutterOptions();
 
     // first step is to install the native integration and set default values,

flutter/lib/src/sentry_flutter_options.dart

@@ -30,10 +30,8 @@ class SentryFlutterOptions extends SentryOptions {
       _autoSessionTrackingIntervalMillis;
 
   set autoSessionTrackingIntervalMillis(int value) {
-    assert(value != null);
-    _autoSessionTrackingIntervalMillis = (value != null && value >= 0)
-        ? value
-        : _autoSessionTrackingIntervalMillis;
+    _autoSessionTrackingIntervalMillis =
+        value >= 0 ? value : _autoSessionTrackingIntervalMillis;
   }
 
   /// Enable or disable ANR (Application Not Responding) Default is enabled Used by AnrIntegration.
@@ -51,9 +49,7 @@ class SentryFlutterOptions extends SentryOptions {
   int get anrTimeoutIntervalMillis => _anrTimeoutIntervalMillis;
 
   set anrTimeoutIntervalMillis(int value) {
-    assert(value != null);
-    _anrTimeoutIntervalMillis =
-        (value != null && value >= 0) ? value : _anrTimeoutIntervalMillis;
+    _anrTimeoutIntervalMillis = value >= 0 ? value : _anrTimeoutIntervalMillis;
   }
 
   /// Enable or disable the Automatic breadcrumbs on the Native platforms (Android/iOS)
@@ -70,8 +66,7 @@ class SentryFlutterOptions extends SentryOptions {
   int get cacheDirSize => _cacheDirSize;
 
   set cacheDirSize(int value) {
-    assert(value != null);
-    _cacheDirSize = (value != null && value >= 0) ? value : _cacheDirSize;
+    _cacheDirSize = value >= 0 ? value : _cacheDirSize;
   }
 
   @Deprecated(
@@ -188,8 +183,6 @@ class SentryFlutterOptions extends SentryOptions {
   @foundation.visibleForTesting
   void configureBreadcrumbTrackingForPlatform(
       foundation.TargetPlatform platform) {
-    assert(platform != null);
-
     // Bacause platform reports the Operating System and not if it is running
     // in a browser. So we have to check if this is Flutter for web.
     // See https://github.com/flutter/flutter/blob/c5a69b9b8ad186e9fce017fd4bfb8ce63f9f4d13/packages/flutter/lib/src/foundation/_platform_web.dart

flutter/lib/src/widgets_binding_observer.dart

@@ -152,7 +152,6 @@ class SentryWidgetsBindingObserver with WidgetsBindingObserver {
       case AppLifecycleState.detached:
         return 'detached';
     }
-    return '';
   }
 
 /*

flutter/test/load_android_image_list_test.dart

@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:sentry/sentry.dart';