diff --git a/CHANGELOG.md b/CHANGELOG.md
index f99b40d..5212e5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,23 @@ that can be found in the LICENSE file. -->
 
 See the [Migration Guide](guides/migration_guide.md) for breaking changes between versions.
 
+## Unreleased
+
+*None.*
+
+## 4.3.2
+
+### Fixes
+
+- Fix button displays when tap to record.
+- Prevent camera description exceptions when initializing the camera in the lifecycle callback.
+
+### Improvements
+
+- Use more precise overlay styles.
+- Switching between different lens with a single camera by default.
+- Always delete the preview file when popping from the preview.
+
 ## 4.3.1
 
 ### Improvements
diff --git a/example/lib/l10n/gen/app_localizations.dart b/example/lib/l10n/gen/app_localizations.dart
index 5a5adda..165c1eb 100644
--- a/example/lib/l10n/gen/app_localizations.dart
+++ b/example/lib/l10n/gen/app_localizations.dart
@@ -8,6 +8,8 @@ import 'package:intl/intl.dart' as intl;
 import 'app_localizations_en.dart';
 import 'app_localizations_zh.dart';
 
+// ignore_for_file: type=lint
+
 /// Callers can lookup localized strings with an instance of AppLocalizations
 /// returned by `AppLocalizations.of(context)`.
 ///
diff --git a/example/lib/l10n/gen/app_localizations_en.dart b/example/lib/l10n/gen/app_localizations_en.dart
index e338608..0142624 100644
--- a/example/lib/l10n/gen/app_localizations_en.dart
+++ b/example/lib/l10n/gen/app_localizations_en.dart
@@ -1,5 +1,7 @@
 import 'app_localizations.dart';
 
+// ignore_for_file: type=lint
+
 /// The translations for English (`en`).
 class AppLocalizationsEn extends AppLocalizations {
   AppLocalizationsEn([String locale = 'en']) : super(locale);
diff --git a/example/lib/l10n/gen/app_localizations_zh.dart b/example/lib/l10n/gen/app_localizations_zh.dart
index e35ff17..3cd7b60 100644
--- a/example/lib/l10n/gen/app_localizations_zh.dart
+++ b/example/lib/l10n/gen/app_localizations_zh.dart
@@ -1,5 +1,7 @@
 import 'app_localizations.dart';
 
+// ignore_for_file: type=lint
+
 /// The translations for Chinese (`zh`).
 class AppLocalizationsZh extends AppLocalizations {
   AppLocalizationsZh([String locale = 'zh']) : super(locale);
diff --git a/example/lib/pages/home_page.dart b/example/lib/pages/home_page.dart
index 8932410..ee96304 100644
--- a/example/lib/pages/home_page.dart
+++ b/example/lib/pages/home_page.dart
@@ -11,7 +11,7 @@ import '../extensions/l10n_extensions.dart';
 import '../main.dart';
 import '../models/picker_method.dart';
 import '../widgets/method_list_view.dart';
-import '../widgets/selected_assets_view.dart';
+import '../widgets/selected_assets_list_view.dart';
 
 class HomePage extends StatefulWidget {
   const HomePage({super.key});
@@ -22,13 +22,12 @@ class HomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<HomePage> {
   final ValueNotifier<bool> isDisplayingDetail = ValueNotifier<bool>(true);
-  final ValueNotifier<AssetEntity?> selectedAsset =
-      ValueNotifier<AssetEntity?>(null);
+  List<AssetEntity> assets = <AssetEntity>[];
 
   Future<void> selectAssets(PickMethod model) async {
-    final AssetEntity? result = await model.method(context);
+    final result = await model.method(context);
     if (result != null) {
-      selectedAsset.value = result;
+      assets = [...assets, result];
       if (mounted) {
         setState(() {});
       }
@@ -38,6 +37,7 @@ class _MyHomePageState extends State<HomePage> {
   Widget header(BuildContext context) {
     return Container(
       margin: const EdgeInsetsDirectional.only(top: 30),
+      padding: const EdgeInsets.symmetric(horizontal: 20.0),
       height: 60,
       child: Row(
         mainAxisAlignment: MainAxisAlignment.center,
@@ -57,11 +57,13 @@ class _MyHomePageState extends State<HomePage> {
               children: <Widget>[
                 Semantics(
                   sortKey: const OrdinalSortKey(0),
-                  child: Text(
-                    context.l10n.appTitle,
-                    style: Theme.of(context).textTheme.titleLarge,
-                    overflow: TextOverflow.fade,
-                    maxLines: 1,
+                  child: FittedBox(
+                    child: Text(
+                      context.l10n.appTitle,
+                      style: Theme.of(context).textTheme.titleLarge,
+                      overflow: TextOverflow.fade,
+                      maxLines: 1,
+                    ),
                   ),
                 ),
                 Semantics(
@@ -107,19 +109,15 @@ class _MyHomePageState extends State<HomePage> {
                   onSelectMethod: selectAssets,
                 ),
               ),
-              ValueListenableBuilder<AssetEntity?>(
-                valueListenable: selectedAsset,
-                builder: (_, AssetEntity? asset, __) {
-                  if (asset == null) {
-                    return const SizedBox.shrink();
-                  }
-                  return SelectedAssetView(
-                    asset: asset,
-                    isDisplayingDetail: isDisplayingDetail,
-                    onRemoveAsset: () => selectedAsset.value = null,
-                  );
-                },
-              ),
+              if (assets.isNotEmpty)
+                SelectedAssetsListView(
+                  assets: assets,
+                  isDisplayingDetail: isDisplayingDetail,
+                  onRemoveAsset: (int index) {
+                    assets.removeAt(index);
+                    setState(() {});
+                  },
+                ),
             ],
           ),
         ),
diff --git a/example/lib/widgets/selected_assets_list_view.dart b/example/lib/widgets/selected_assets_list_view.dart
new file mode 100644
index 0000000..70c2cc1
--- /dev/null
+++ b/example/lib/widgets/selected_assets_list_view.dart
@@ -0,0 +1,147 @@
+// Copyright 2019 The FlutterCandies author. All rights reserved.
+// Use of this source code is governed by an Apache license that can be found
+// in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:wechat_camera_picker/wechat_camera_picker.dart';
+
+import '../extensions/l10n_extensions.dart';
+import 'asset_widget_builder.dart';
+import 'preview_asset_widget.dart';
+
+class SelectedAssetsListView extends StatelessWidget {
+  const SelectedAssetsListView({
+    super.key,
+    required this.assets,
+    required this.isDisplayingDetail,
+    required this.onRemoveAsset,
+  });
+
+  final List<AssetEntity> assets;
+  final ValueNotifier<bool> isDisplayingDetail;
+  final void Function(int index) onRemoveAsset;
+
+  Widget _selectedAssetWidget(BuildContext context, int index) {
+    final AssetEntity asset = assets.elementAt(index);
+    return ValueListenableBuilder<bool>(
+      valueListenable: isDisplayingDetail,
+      builder: (_, bool value, __) => GestureDetector(
+        onTap: () async {
+          if (value) {
+            showDialog(
+              context: context,
+              builder: (BuildContext context) => GestureDetector(
+                onTap: Navigator.of(context).pop,
+                child: Center(child: PreviewAssetWidget(asset)),
+              ),
+            );
+          }
+        },
+        child: RepaintBoundary(
+          child: ClipRRect(
+            borderRadius: BorderRadius.circular(8.0),
+            child: AssetWidgetBuilder(
+              entity: asset,
+              isDisplayingDetail: value,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _selectedAssetDeleteButton(BuildContext context, int index) {
+    return GestureDetector(
+      onTap: () => onRemoveAsset(index),
+      child: DecoratedBox(
+        decoration: BoxDecoration(
+          borderRadius: BorderRadius.circular(4.0),
+          color: Theme.of(context).canvasColor.withOpacity(0.5),
+        ),
+        child: const Icon(Icons.close, size: 18.0),
+      ),
+    );
+  }
+
+  Widget selectedAssetsListView(BuildContext context) {
+    return Expanded(
+      child: ListView.builder(
+        shrinkWrap: true,
+        physics: const BouncingScrollPhysics(),
+        padding: const EdgeInsets.symmetric(horizontal: 8.0),
+        scrollDirection: Axis.horizontal,
+        itemCount: assets.length,
+        itemBuilder: (BuildContext context, int index) {
+          return Padding(
+            padding: const EdgeInsets.symmetric(
+              horizontal: 8.0,
+              vertical: 16.0,
+            ),
+            child: AspectRatio(
+              aspectRatio: 1.0,
+              child: Stack(
+                children: <Widget>[
+                  Positioned.fill(child: _selectedAssetWidget(context, index)),
+                  ValueListenableBuilder<bool>(
+                    valueListenable: isDisplayingDetail,
+                    builder: (_, bool value, __) => AnimatedPositioned(
+                      duration: kThemeAnimationDuration,
+                      top: value ? 6.0 : -30.0,
+                      right: value ? 6.0 : -30.0,
+                      child: _selectedAssetDeleteButton(context, index),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder<bool>(
+      valueListenable: isDisplayingDetail,
+      builder: (_, bool value, __) => AnimatedContainer(
+        duration: kThemeChangeDuration,
+        curve: Curves.easeInOut,
+        height: assets.isNotEmpty
+            ? value
+            ? 120.0
+            : 80.0
+            : 40.0,
+        child: Column(
+          children: <Widget>[
+            SizedBox(
+              height: 20.0,
+              child: GestureDetector(
+                onTap: () {
+                  if (assets.isNotEmpty) {
+                    isDisplayingDetail.value = !isDisplayingDetail.value;
+                  }
+                },
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: <Widget>[
+                    Text(context.l10n.selectedAssetsText),
+                    if (assets.isNotEmpty)
+                      Padding(
+                        padding: const EdgeInsetsDirectional.only(start: 10.0),
+                        child: Icon(
+                          value ? Icons.arrow_downward : Icons.arrow_upward,
+                          size: 18.0,
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+            ),
+            selectedAssetsListView(context),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/example/lib/widgets/selected_assets_view.dart b/example/lib/widgets/selected_assets_view.dart
deleted file mode 100644
index f16d4c1..0000000
--- a/example/lib/widgets/selected_assets_view.dart
+++ /dev/null
@@ -1,125 +0,0 @@
-// Copyright 2019 The FlutterCandies author. All rights reserved.
-// Use of this source code is governed by an Apache license that can be found
-// in the LICENSE file.
-
-import 'package:flutter/material.dart';
-import 'package:wechat_camera_picker/wechat_camera_picker.dart';
-
-import '../extensions/l10n_extensions.dart';
-import 'asset_widget_builder.dart';
-import 'preview_asset_widget.dart';
-
-class SelectedAssetView extends StatelessWidget {
-  const SelectedAssetView({
-    super.key,
-    required this.asset,
-    required this.isDisplayingDetail,
-    required this.onRemoveAsset,
-  });
-
-  final AssetEntity asset;
-  final ValueNotifier<bool> isDisplayingDetail;
-  final VoidCallback onRemoveAsset;
-
-  Widget _selectedAssetWidget(BuildContext context) {
-    return ValueListenableBuilder<bool>(
-      valueListenable: isDisplayingDetail,
-      builder: (_, bool value, __) => GestureDetector(
-        onTap: () async {
-          if (value) {
-            showDialog(
-              context: context,
-              builder: (BuildContext context) => GestureDetector(
-                onTap: Navigator.of(context).pop,
-                child: Center(child: PreviewAssetWidget(asset)),
-              ),
-            );
-          }
-        },
-        child: RepaintBoundary(
-          child: ClipRRect(
-            borderRadius: BorderRadius.circular(8),
-            child: AssetWidgetBuilder(entity: asset, isDisplayingDetail: value),
-          ),
-        ),
-      ),
-    );
-  }
-
-  Widget _selectedAssetDeleteButton(BuildContext context) {
-    return GestureDetector(
-      onTap: onRemoveAsset,
-      child: DecoratedBox(
-        decoration: BoxDecoration(
-          borderRadius: BorderRadius.circular(4),
-          color: Theme.of(context).canvasColor.withOpacity(0.5),
-        ),
-        child: const Icon(Icons.close, size: 18),
-      ),
-    );
-  }
-
-  Widget _selectedAssetView(BuildContext context) {
-    return Container(
-      alignment: Alignment.center,
-      padding: const EdgeInsets.all(16),
-      child: AspectRatio(
-        aspectRatio: 1,
-        child: Stack(
-          children: <Widget>[
-            Positioned.fill(child: _selectedAssetWidget(context)),
-            ValueListenableBuilder<bool>(
-              valueListenable: isDisplayingDetail,
-              builder: (_, bool value, Widget? child) => AnimatedPositioned(
-                duration: kThemeAnimationDuration,
-                top: value ? 6 : -30,
-                right: value ? 6 : -30,
-                child: child!,
-              ),
-              child: _selectedAssetDeleteButton(context),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return ValueListenableBuilder<bool>(
-      valueListenable: isDisplayingDetail,
-      builder: (_, bool value, Widget? child) => AnimatedContainer(
-        duration: kThemeChangeDuration,
-        curve: Curves.easeInOut,
-        height: value ? 120 : 80,
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: <Widget>[
-            SizedBox(
-              height: 20,
-              child: GestureDetector(
-                onTap: () =>
-                    isDisplayingDetail.value = !isDisplayingDetail.value,
-                child: Row(
-                  mainAxisSize: MainAxisSize.min,
-                  children: <Widget>[
-                    Text(context.l10n.selectedAssetsText),
-                    Padding(
-                      padding: const EdgeInsetsDirectional.only(start: 10),
-                      child: Icon(
-                        value ? Icons.arrow_downward : Icons.arrow_upward,
-                        size: 18,
-                      ),
-                    ),
-                  ],
-                ),
-              ),
-            ),
-            Expanded(child: child!),
-          ],
-        ),
-      ),
-      child: _selectedAssetView(context),
-    );
-  }
-}
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 5f597dc..3ae7edd 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -1,6 +1,6 @@
 name: wechat_camera_picker_demo
 description: A new Flutter project.
-version: 4.3.1+37
+version: 4.3.2+38
 publish_to: none
 
 environment:
diff --git a/lib/src/states/camera_picker_state.dart b/lib/src/states/camera_picker_state.dart
index e42f636..88e0720 100644
--- a/lib/src/states/camera_picker_state.dart
+++ b/lib/src/states/camera_picker_state.dart
@@ -8,6 +8,7 @@ import 'dart:math' as math;
 
 import 'package:camera/camera.dart';
 import 'package:camera_platform_interface/camera_platform_interface.dart';
+import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
@@ -42,7 +43,7 @@ class CameraPickerState extends State<CameraPicker>
 
   /// Available cameras.
   /// 可用的相机实例
-  late List<CameraDescription> cameras;
+  List<CameraDescription> cameras = [];
 
   /// Whether the controller is handling method calls.
   /// 相机控制器是否在处理方法调用
@@ -269,7 +270,9 @@ class CameraPickerState extends State<CameraPicker>
   void didChangeAppLifecycleState(AppLifecycleState state) {
     final CameraController? c = innerController;
     if (state == AppLifecycleState.resumed && !accessDenied) {
-      initCameras(cameraDescription: currentCamera);
+      initCameras(
+        cameraDescription: cameras.elementAtOrNull(currentCameraIndex),
+      );
     } else if (c == null || !c.value.isInitialized) {
       // App state changed before we got the chance to initialize.
       return;
@@ -605,10 +608,17 @@ class CameraPickerState extends State<CameraPicker>
     if (controller.value.isTakingPicture || controller.value.isRecordingVideo) {
       return;
     }
-    ++currentCameraIndex;
-    if (currentCameraIndex == cameras.length) {
-      currentCameraIndex = 0;
-    }
+    final preferredCameras = CameraLensDirection.values
+        .map((e) => cameras.firstWhereOrNull((c) => c.lensDirection == e))
+        .whereType<CameraDescription>()
+        .map((e) => cameras.indexOf(e))
+        .toList();
+    int index = preferredCameras.indexOf(currentCameraIndex);
+    ++index;
+    if (index == preferredCameras.length) {
+      index = 0;
+    }
+    currentCameraIndex = preferredCameras[index];
     initCameras(cameraDescription: currentCamera);
   }
 
@@ -1066,6 +1076,7 @@ class CameraPickerState extends State<CameraPicker>
       handleErrorWithHandler(e, s, pickerConfig.onError);
     } finally {
       safeSetState(() {
+        isCaptureButtonTapDown = false;
         isControllerBusy = false;
         isShootingButtonAnimate = false;
       });
@@ -1410,7 +1421,11 @@ class CameraPickerState extends State<CameraPicker>
             onTap: onTap,
             onLongPress: onLongPress,
             onTapDown: (_) => safeSetState(() => isCaptureButtonTapDown = true),
-            onTapUp: (_) => safeSetState(() => isCaptureButtonTapDown = false),
+            onTapUp: (_) => safeSetState(() {
+              if (!enableTapRecording) {
+                isCaptureButtonTapDown = false;
+              }
+            }),
             onTapCancel: () =>
                 safeSetState(() => isCaptureButtonTapDown = false),
             onLongPressStart: (_) =>
@@ -1972,7 +1987,11 @@ class CameraPickerState extends State<CameraPicker>
       );
     }
     return AnnotatedRegion<SystemUiOverlayStyle>(
-      value: SystemUiOverlayStyle.light,
+      value: const SystemUiOverlayStyle(
+        systemNavigationBarIconBrightness: Brightness.light,
+        statusBarIconBrightness: Brightness.light,
+        statusBarBrightness: Brightness.dark,
+      ),
       child: Theme(
         data: theme,
         child: Material(
diff --git a/lib/src/states/camera_picker_viewer_state.dart b/lib/src/states/camera_picker_viewer_state.dart
index 0787c0a..36340b4 100644
--- a/lib/src/states/camera_picker_viewer_state.dart
+++ b/lib/src/states/camera_picker_viewer_state.dart
@@ -204,9 +204,6 @@ class CameraPickerViewerState extends State<CameraPickerViewer> {
           if (isSavingEntity) {
             return;
           }
-          if (previewFile.existsSync()) {
-            previewFile.delete();
-          }
           Navigator.of(context).pop();
         },
         padding: EdgeInsets.zero,
@@ -368,15 +365,27 @@ class CameraPickerViewerState extends State<CameraPickerViewer> {
     if (!hasLoaded) {
       return const SizedBox.shrink();
     }
-    return Material(
-      color: Colors.black,
-      child: Stack(
-        fit: StackFit.expand,
-        children: <Widget>[
-          buildPreview(context),
-          buildForeground(context),
-          if (isSavingEntity) buildLoading(context),
-        ],
+    return PopScope(
+      canPop: true,
+      // ignore: deprecated_member_use
+      onPopInvoked: (didPop) {
+        if (didPop && previewFile.existsSync()) {
+          previewFile.delete().catchError((e, s) {
+            handleErrorWithHandler(e, s, onError);
+            return previewFile;
+          });
+        }
+      },
+      child: Material(
+        color: Colors.black,
+        child: Stack(
+          fit: StackFit.expand,
+          children: <Widget>[
+            buildPreview(context),
+            buildForeground(context),
+            if (isSavingEntity) buildLoading(context),
+          ],
+        ),
       ),
     );
   }
diff --git a/lib/src/widgets/camera_picker.dart b/lib/src/widgets/camera_picker.dart
index b3b3a01..06bcf7b 100644
--- a/lib/src/widgets/camera_picker.dart
+++ b/lib/src/widgets/camera_picker.dart
@@ -1,7 +1,6 @@
 // Copyright 2019 The FlutterCandies author. All rights reserved.
 // Use of this source code is governed by an Apache license that can be found
 // in the LICENSE file.
-// ignore_for_file: deprecated_member_use
 
 import 'dart:async';
 
@@ -93,6 +92,7 @@ class CameraPicker extends StatefulWidget {
         primaryContainer: Colors.grey[900],
         secondary: themeColor,
         secondaryContainer: themeColor,
+        // ignore: deprecated_member_use
         background: Colors.grey[900]!,
         surface: Colors.grey[900]!,
         brightness: Brightness.dark,
@@ -100,6 +100,7 @@ class CameraPicker extends StatefulWidget {
         onPrimary: Colors.black,
         onSecondary: Colors.black,
         onSurface: Colors.white,
+        // ignore: deprecated_member_use
         onBackground: Colors.white,
         onError: Colors.black,
       ),
diff --git a/pubspec.yaml b/pubspec.yaml
index 0cc05c4..7bb1da0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: wechat_camera_picker
-version: 4.3.1
+version: 4.3.2
 description: |
   A camera picker for Flutter projects based on WeChat's UI,
   which is also a separate runnable extension to the
@@ -22,14 +22,15 @@ dependencies:
   flutter:
     sdk: flutter
 
-  wechat_picker_library: ^1.0.0
+  wechat_picker_library: ^1.0.2
 
   camera: ^0.10.0
   camera_android: '>=0.10.0 <0.10.9+4'
   camera_platform_interface: ^2.1.5
 
+  collection: '>=1.18.0 <2.0.0'
   path: ^1.8.0
-  photo_manager: ^3.0.0
+  photo_manager: ^3.2.3
   photo_manager_image_provider: ^2.0.0
   sensors_plus: '>=4.0.0 <6.0.0'
   video_player: ^2.7.0