add compatibility with Android Gradle Plugin 8

bump compile sdk to 34

set single package name flutter.overlay.window.flutter_overlay_window

set gradle version to 7.3.0

.metadata

@@ -4,7 +4,27 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: c860cba910319332564e1e9d470a17074c1f2dfd
-  channel: stable
+  revision: "abb292a07e20d696c4568099f918f6c5f330e6b0"
+  channel: "stable"
 
 project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: abb292a07e20d696c4568099f918f6c5f330e6b0
+      base_revision: abb292a07e20d696c4568099f918f6c5f330e6b0
+    - platform: android
+      create_revision: abb292a07e20d696c4568099f918f6c5f330e6b0
+      base_revision: abb292a07e20d696c4568099f918f6c5f330e6b0
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

android/.gitignore

@@ -6,3 +6,4 @@
 .DS_Store
 /build
 /captures
+.cxx

android/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.0'
+        classpath 'com.android.tools.build:gradle:7.3.0'
     }
 }
 

android/src/main/AndroidManifest.xml

@@ -1,7 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="flutter.overlay.window.flutter_overlay_window">
-
+  package="flutter.overlay.window.flutter_overlay_window">
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
-</manifest>
+</manifest>

android/src/main/java/flutter/overlay/window/flutter_overlay_window/OverlayService.java

@@ -30,6 +30,8 @@
 
 import java.util.HashMap;
 import java.util.Map;
+import flutter.overlay.window.flutter_overlay_window.R;
+
 import java.util.Timer;
 import java.util.TimerTask;
 

android/src/main/java/flutter/overlay/window/flutter_overlay_window/WindowSetup.java

@@ -1,6 +1,5 @@
 package flutter.overlay.window.flutter_overlay_window;
 
-
 import android.view.Gravity;
 import android.view.WindowManager;
 import androidx.core.app.NotificationCompat;