1. hide system status bar when tap player in player widget

Flutter/superplayer_widget/lib/ui/superplayer_bottom_view.dart

@@ -85,7 +85,9 @@ class _VideoBottomViewState extends State<VideoBottomView> {
                 image: DecorationImage(
                     image: AssetImage("images/superplayer_bottom_shadow.png", package: PlayerConstants.PKG_NAME),
                     fit: BoxFit.fill)),
-            padding: const EdgeInsets.only(left: 6, right: 6),
+            padding: _showFullScreenBtn
+                ? const EdgeInsets.only(left: 6, right: 6, bottom: 3)
+                : const EdgeInsets.only(left: 20, right: 20, bottom: 13),
             child: Row(
               children: [
                 _getPlayImage(),

Flutter/superplayer_widget/lib/ui/superplayer_title_view.dart

@@ -40,12 +40,15 @@ class _VideoTitleViewState extends State<_VideoTitleView> {
           // back
           InkWell(
             onTap: _onTapBackBtn,
-            child: const Image(
-              width: 30,
-              height: 30,
+            child: Container(
+              padding: const EdgeInsets.only(top:5, bottom: 5),
+              child:  Image(
+                width: _isFullScreen ? 50 : 30,
+                height: _isFullScreen ? 50 : 30,
                 image: AssetImage("images/superplayer_btn_back_play.png", package: PlayerConstants.PKG_NAME),
               ),
             ),
+          ),
           // video name
           Text(
             _title,

Flutter/superplayer_widget/lib/ui/superplayer_widget.dart

@@ -697,6 +697,9 @@ class SuperPlayerViewState extends State<SuperPlayerView> with WidgetsBindingObs
       return;
     }
 
+    if (_playController._playerUIStatus == SuperPlayerUIStatus.FULLSCREEN_MODE) {
+      SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);
+    }
     // Hide moreView
     _moreViewKey.currentState?.hideShowMoreView();
     setState(() {