some fixes in dptopx + alpha color

Author: X-SLAYER

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

@@ -128,13 +128,15 @@ public int onStartCommand(Intent intent, int flags, int startId) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
             windowManager.getDefaultDisplay().getSize(szWindow);
         } else {
-            int w = windowManager.getDefaultDisplay().getWidth();
-            int h = windowManager.getDefaultDisplay().getHeight();
+            DisplayMetrics displaymetrics = new DisplayMetrics();
+            windowManager.getDefaultDisplay().getMetrics(displaymetrics);
+            int w = displaymetrics.widthPixels;
+            int h = displaymetrics.heightPixels;
             szWindow.set(w, h);
         }
         WindowManager.LayoutParams params = new WindowManager.LayoutParams(
                 WindowSetup.width == -1999 ? -1 : WindowSetup.width,
-                WindowSetup.height != -1999 ? WindowSetup.height : screenHeight(),
+                WindowSetup.height != -1999 ? WindowSetup.width : screenHeight(),
                 0,
                 -statusBarHeightPx(),
                 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O ? WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY : WindowManager.LayoutParams.TYPE_PHONE,
@@ -204,6 +206,8 @@ private void updateOverlayFlag(MethodChannel.Result result, String flag) {
                     WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && WindowSetup.flag == clickableFlag) {
                 params.alpha = MAXIMUM_OPACITY_ALLOWED_FOR_S_AND_HIGHER;
+            } else {
+                params.alpha = 0;
             }
             windowManager.updateViewLayout(flutterView, params);
             result.success(true);
@@ -215,15 +219,16 @@ private void updateOverlayFlag(MethodChannel.Result result, String flag) {
     private void resizeOverlay(int width, int height, MethodChannel.Result result) {
         if (windowManager != null) {
             WindowManager.LayoutParams params = (WindowManager.LayoutParams) flutterView.getLayoutParams();
-            params.width = width;
-            params.height = height;
+            params.width = (width == -1999 || width == -1) ? -1 : dpToPx(width);
+            params.height = height != 1999 || height != -1 ? dpToPx(height) : height;
             windowManager.updateViewLayout(flutterView, params);
             result.success(true);
         } else {
             result.success(false);
         }
     }
 
+
     @Override
     public void onCreate() {
         createNotificationChannel();

example/lib/home_page.dart

@@ -53,13 +53,15 @@ class _HomePageState extends State<HomePage> {
               onPressed: () async {
                 if (await FlutterOverlayWindow.isActive()) return;
                 await FlutterOverlayWindow.showOverlay(
-                  enableDrag: false,
+                  enableDrag: true,
                   overlayTitle: "X-SLAYER",
                   overlayContent: 'Overlay Enabled',
-                  flag: OverlayFlag.clickThrough,
+                  flag: OverlayFlag.defaultFlag,
                   alignment: OverlayAlignment.centerLeft,
                   visibility: NotificationVisibility.visibilityPrivate,
                   positionGravity: PositionGravity.auto,
+                  height: WindowSize.fullCover,
+                  width: WindowSize.fullCover,
                 );
               },
               child: const Text("Show Overlay"),

example/lib/overlays/messanger_chathead.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_overlay_window/flutter_overlay_window.dart';
+import 'package:flutter_overlay_window/overlay_config.dart';
 
 class MessangerChatHead extends StatefulWidget {
   const MessangerChatHead({Key? key}) : super(key: key);
@@ -10,6 +11,7 @@ class MessangerChatHead extends StatefulWidget {
 
 class _MessangerChatHeadState extends State<MessangerChatHead> {
   Color color = const Color(0xFFFFFFFF);
+  BoxShape _currentShape = BoxShape.rectangle;
 
   @override
   void initState() {
@@ -23,16 +25,36 @@ class _MessangerChatHeadState extends State<MessangerChatHead> {
       elevation: 0.0,
       child: GestureDetector(
         onTap: () async {
-          await FlutterOverlayWindow.closeOverlay();
+          if (_currentShape == BoxShape.rectangle) {
+            await FlutterOverlayWindow.resizeOverlay(50, 100);
+            setState(() {
+              _currentShape = BoxShape.circle;
+            });
+          } else {
+            await FlutterOverlayWindow.resizeOverlay(
+              WindowSize.fullCover,
+              WindowSize.fullCover,
+            );
+            setState(() {
+              _currentShape = BoxShape.rectangle;
+            });
+          }
         },
         child: Container(
-          height: MediaQuery.of(context).size.height,
-          decoration: BoxDecoration(
-              color: Colors.red.withOpacity(0.5), shape: BoxShape.rectangle),
-          child: const Center(
-            child: FlutterLogo(),
-          ),
-        ),
+            height: MediaQuery.of(context).size.height,
+            decoration: BoxDecoration(
+              gradient: const LinearGradient(
+                colors: [
+                  Color(0xFF0F2027),
+                  Color(0xFF203A43),
+                  Color(0xFF2C5364),
+                ],
+              ),
+              shape: _currentShape,
+            ),
+            child: const Center(
+              child: FlutterLogo(),
+            )),
       ),
     );
   }