[google_maps_flutter_android] Fix Android lint warnings (flutter#3751)

Fixed the Android lint warning shown in `lint-baseline.xml` and removed the baseline.

Part of flutter/flutter#88011

Author: mgmix

packages/google_maps_flutter/google_maps_flutter_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.4.12
+
+* Fixes Java warnings.
+
 ## 2.4.11
 
 * Adds a namespace for compatibility with AGP 8.0.

packages/google_maps_flutter/google_maps_flutter_android/android/build.gradle

@@ -33,7 +33,6 @@ android {
         checkAllWarnings true
         warningsAsErrors true
         disable 'AndroidGradlePluginVersion', 'InvalidPackage', 'GradleDependency'
-        baseline file("lint-baseline.xml")
     }
 
     dependencies {

packages/google_maps_flutter/google_maps_flutter_android/android/lint-baseline.xml

@@ -159,20 +159,17 @@ private void invalidateMapIfNeeded() {
     }
     loadedCallbackPending = true;
     googleMap.setOnMapLoadedCallback(
-        new GoogleMap.OnMapLoadedCallback() {
-          @Override
-          public void onMapLoaded() {
-            loadedCallbackPending = false;
-            postFrameCallback(
-                () -> {
-                  postFrameCallback(
-                      () -> {
-                        if (mapView != null) {
-                          mapView.invalidate();
-                        }
-                      });
-                });
-          }
+        () -> {
+          loadedCallbackPending = false;
+          postFrameCallback(
+              () -> {
+                postFrameCallback(
+                    () -> {
+                      if (mapView != null) {
+                        mapView.invalidate();
+                      }
+                    });
+              });
         });
   }
 

packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/GoogleMapController.java

@@ -5,6 +5,8 @@
 package io.flutter.plugins.googlemaps;
 
 import android.content.Context;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import com.google.android.gms.maps.model.CameraPosition;
 import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.StandardMessageCodec;
@@ -30,7 +32,8 @@ public class GoogleMapFactory extends PlatformViewFactory {
 
   @SuppressWarnings("unchecked")
   @Override
-  public PlatformView create(Context context, int id, Object args) {
+  @NonNull
+  public PlatformView create(@NonNull Context context, int id, @Nullable Object args) {
     Map<String, Object> params = (Map<String, Object>) args;
     final GoogleMapBuilder builder = new GoogleMapBuilder();
 

packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/GoogleMapFactory.java

@@ -26,13 +26,13 @@
  */
 public class GoogleMapsPlugin implements FlutterPlugin, ActivityAware {
 
-  @Nullable private Lifecycle lifecycle;
+  @Nullable Lifecycle lifecycle;
 
   private static final String VIEW_TYPE = "plugins.flutter.dev/google_maps_android";
 
   @SuppressWarnings("deprecation")
   public static void registerWith(
-      final io.flutter.plugin.common.PluginRegistry.Registrar registrar) {
+      @NonNull final io.flutter.plugin.common.PluginRegistry.Registrar registrar) {
     final Activity activity = registrar.activity();
     if (activity == null) {
       // When a background flutter view tries to register the plugin, the registrar has no activity.
@@ -70,7 +70,7 @@ public GoogleMapsPlugin() {}
   // FlutterPlugin
 
   @Override
-  public void onAttachedToEngine(FlutterPluginBinding binding) {
+  public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
     binding
         .getPlatformViewRegistry()
         .registerViewFactory(
@@ -88,12 +88,12 @@ public Lifecycle getLifecycle() {
   }
 
   @Override
-  public void onDetachedFromEngine(FlutterPluginBinding binding) {}
+  public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {}
 
   // ActivityAware
 
   @Override
-  public void onAttachedToActivity(ActivityPluginBinding binding) {
+  public void onAttachedToActivity(@NonNull ActivityPluginBinding binding) {
     lifecycle = FlutterLifecycleAdapter.getActivityLifecycle(binding);
   }
 
@@ -103,7 +103,7 @@ public void onDetachedFromActivity() {
   }
 
   @Override
-  public void onReattachedToActivityForConfigChanges(ActivityPluginBinding binding) {
+  public void onReattachedToActivityForConfigChanges(@NonNull ActivityPluginBinding binding) {
     onAttachedToActivity(binding);
   }
 
@@ -124,7 +124,7 @@ private static final class ProxyLifecycleProvider
     private final LifecycleRegistry lifecycle = new LifecycleRegistry(this);
     private final int registrarActivityHashCode;
 
-    private ProxyLifecycleProvider(Activity activity) {
+    ProxyLifecycleProvider(Activity activity) {
       this.registrarActivityHashCode = activity.hashCode();
       activity.getApplication().registerActivityLifecycleCallbacks(this);
     }

packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/GoogleMapsPlugin.java

@@ -18,9 +18,9 @@ class TileProviderController implements TileProvider {
 
   private static final String TAG = "TileProviderController";
 
-  private final String tileOverlayId;
-  private final MethodChannel methodChannel;
-  private final Handler handler = new Handler(Looper.getMainLooper());
+  protected final String tileOverlayId;
+  protected final MethodChannel methodChannel;
+  protected final Handler handler = new Handler(Looper.getMainLooper());
 
   TileProviderController(MethodChannel methodChannel, String tileOverlayId) {
     this.tileOverlayId = tileOverlayId;

packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/TileProviderController.java

@@ -2,7 +2,7 @@ name: google_maps_flutter_android
 description: Android implementation of the google_maps_flutter plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/google_maps_flutter/google_maps_flutter_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+maps%22
-version: 2.4.11
+version: 2.4.12
 
 environment:
   sdk: ">=2.17.0 <4.0.0"