Removing last late modifiers

Author: bhivam

lib/ui/pages/qr_scanner/Scanner.dart

@@ -29,7 +29,7 @@ class _ScannerState extends State<Scanner> with SingleTickerProviderStateMixin {
   final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
   AnimationController? _animationController;
   bool isPlaying = false;
-  late MobileScannerController cameraController;
+  MobileScannerController? cameraController;
   final TextEditingController _textFieldController = TextEditingController();
   CredManager? credManager;
 
@@ -67,7 +67,7 @@ class _ScannerState extends State<Scanner> with SingleTickerProviderStateMixin {
   void dispose() {
     super.dispose();
     _animationController?.dispose();
-    cameraController.dispose();
+    cameraController!.dispose();
   }
 
   @override
@@ -141,7 +141,8 @@ class _ScannerState extends State<Scanner> with SingleTickerProviderStateMixin {
                         IconButton(
                           iconSize: 80,
                           icon: ValueListenableBuilder(
-                            valueListenable: cameraController.cameraFacingState,
+                            valueListenable:
+                                cameraController!.cameraFacingState,
                             builder: (context, state, child) {
                               switch (state as CameraFacing) {
                                 case CameraFacing.front:
@@ -159,7 +160,7 @@ class _ScannerState extends State<Scanner> with SingleTickerProviderStateMixin {
                               }
                             },
                           ),
-                          onPressed: () => cameraController.switchCamera(),
+                          onPressed: () => cameraController!.switchCamera(),
                         ),
                       ],
                     ),
@@ -178,10 +179,10 @@ class _ScannerState extends State<Scanner> with SingleTickerProviderStateMixin {
       isPlaying = !isPlaying;
       if (isPlaying) {
         _animationController?.forward();
-        cameraController.stop();
+        cameraController!.stop();
       } else {
         _animationController?.reverse();
-        cameraController.start();
+        cameraController!.start();
       }
     });
   }

lib/weather/bg/weather_night_star_bg.dart

@@ -19,7 +19,7 @@ class WeatherNightStarBg extends StatefulWidget {
 
 class _WeatherNightStarBgState extends State<WeatherNightStarBg>
     with SingleTickerProviderStateMixin {
-  late AnimationController _controller;
+  AnimationController? _controller;
   List<_StarParam> _starParams = [];
   List<_MeteorParam> _meteorParams = [];
   WeatherDataState _state = WeatherDataState.init;
@@ -38,7 +38,7 @@ class _WeatherNightStarBgState extends State<WeatherNightStarBg>
     _state = WeatherDataState.loading;
     initStarParams();
     setState(() {
-      _controller.repeat();
+      _controller!.repeat();
     });
     _state = WeatherDataState.finish;
   }
@@ -63,15 +63,15 @@ class _WeatherNightStarBgState extends State<WeatherNightStarBg>
     /// 初始化动画信息
     _controller =
         AnimationController(duration: Duration(seconds: 5), vsync: this);
-    _controller.addListener(() {
+    _controller!.addListener(() {
       setState(() {});
     });
     super.initState();
   }
 
   @override
   void dispose() {
-    _controller.dispose();
+    _controller!.dispose();
     super.dispose();
   }