fix: back press gesture blocked

fix: portrait player state issue
closes #49

lib/pages/live.dart

@@ -139,17 +139,13 @@ class _LivePage extends State<LivePage>
   Widget build(BuildContext context) {
     final mq = MediaQuery.of(context);
     return PopScope(
-      canPop: false,
+      canPop: !_streaming,
       onPopInvokedWithResult: (didPop, result) async {
-        if (_streaming) {
+        if (_streaming && !didPop) {
           final go = await showExitStreamDialog(context);
-          if (context.mounted) {
-            if (go == true) {
-              context.go("/");
-            }
+          if (context.mounted && go == true) {
+            context.go("/");
           }
-        } else {
-          context.go("/");
         }
       },
       child: ValueListenableBuilder(

lib/pages/stream.dart

@@ -57,7 +57,7 @@ class StreamPage extends StatefulWidget {
 
 class _StreamPage extends State<StreamPage> with RouteAware {
   bool _offScreen = false;
-  StreamEvent? _stream;
+  final GlobalKey _playerKey = GlobalKey();
 
   bool isWidgetVisible(BuildContext context) {
     final router = GoRouter.of(context);
@@ -132,11 +132,11 @@ class _StreamPage extends State<StreamPage> with RouteAware {
         final streamWidget = _buildPlayer(ctx, stream);
         return ValueListenableBuilder(
           valueListenable: mainPlayer.state,
-          builder: (context, state, player) {
-            if (state?.isPortrait == true) {
-              return _buildPortraitStream(context, stream, player!);
+          builder: (context, playerState, child) {
+            if (playerState?.isPortrait == true) {
+              return _buildPortraitStream(context, stream, child!);
             }
-            return _buildLandscapeStream(context, stream, player!);
+            return _buildLandscapeStream(context, stream, child!);
           },
           child: streamWidget,
         );
@@ -147,6 +147,7 @@ class _StreamPage extends State<StreamPage> with RouteAware {
   Widget _buildPlayer(BuildContext context, StreamEvent stream) {
     return (stream.info.stream != null && !_offScreen)
         ? MainVideoPlayerWidget(
+          key: _playerKey,
           url: stream.info.stream!,
           placeholder: stream.info.image,
           isLive: true,
@@ -170,7 +171,6 @@ class _StreamPage extends State<StreamPage> with RouteAware {
 
     return Stack(
       children: [
-        child,
         Positioned(child: child),
         Positioned(
           child: Container(

lib/player.dart

@@ -60,7 +60,7 @@ class MainPlayer extends BaseAudioHandler {
   Future<void> dispose() async {
     await super.stop();
     await _controller?.dispose();
-    _chewieController!.dispose();
+    _chewieController?.dispose();
     _controller = null;
     _chewieController = null;
     state.value = null;
@@ -126,6 +126,7 @@ class MainPlayer extends BaseAudioHandler {
                 : null,
       );
 
+
       // insert media item
       mediaItem.add(
         MediaItem(
@@ -139,6 +140,8 @@ class MainPlayer extends BaseAudioHandler {
                   : null,
         ),
       );
+      // Update player state immediately after initialization
+      updatePlayerState();
       _url = url;
     } catch (e) {
       if (e is PlatformException && e.code == "VideoError") {
@@ -179,10 +182,13 @@ class MainPlayer extends BaseAudioHandler {
         },
       ),
     );
-    state.value = PlayerState(
-      width: _controller!.value.size.width.floor(),
-      height: _controller!.value.size.height.floor(),
-      isPlaying: isPlaying,
-    );
+    
+    if (_controller?.value.isInitialized == true && _controller!.value.size != Size.zero) {
+      state.value = PlayerState(
+        width: _controller!.value.size.width.floor(),
+        height: _controller!.value.size.height.floor(),
+        isPlaying: isPlaying,
+      );
+    }
   }
 }