1、Android适配选择图片（相机、相册）；

example/lib/main.dart

@@ -17,7 +17,7 @@ class _MyAppState extends State<MyApp> {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      home: HomePage(),
+      home: const HomePage(),
       theme: ThemeData.light().copyWith(
         appBarTheme: const AppBarTheme(
           backgroundColor: Colors.blue,

lib/widget/complaint_web_view.dart

 import 'dart:io';
 
+import 'package:feedback_complaint_plug/widget/select_image_dialog.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:image/image.dart' as image;
@@ -102,31 +103,11 @@ class _ComplaintWebPageState extends State<ComplaintWebPage> {
 
   /// Android选择图片
   Future<List<String>> _androidFilePicker(FileSelectorParams params) async {
-    debugPrint("params-->$params");
+    debugPrint("params-->${params.acceptTypes}");
     if (params.acceptTypes.any((type) => type == 'image/*')) {
-      if (!await _requestPermissionCam()) {
-        ToastUtil.showToast("需要相机权限才能使用该功能，请到设置中开启");
-        return [];
-      }
-      var photo = await ImagePicker()
-          .pickImage(source: ImageSource.gallery, imageQuality: 20);
-
-      if (photo == null) {
-        return [];
-      }
-
-      final imageData = await photo.readAsBytes();
-      final decodedImage = image.decodeImage(imageData)!;
-      final scaledImage = image.copyResize(decodedImage, width: 500);
-      final jpg = image.encodeJpg(scaledImage, quality: 90);
-
-      final filePath = (await getTemporaryDirectory()).uri.resolve(
-            './image_${DateTime.now().microsecondsSinceEpoch}.jpg',
-          );
-      final file = await File.fromUri(filePath).create(recursive: true);
-      await file.writeAsBytes(jpg, flush: true);
-      debugPrint("file = ${file.uri.toString()}");
-      return [file.uri.toString()];
+      var result = await _showImagePicker(context);
+      debugPrint("result-->$result");
+      return result;
     } else if (params.acceptTypes.any((type) => type == '' || type == "*/*")) {
       if (!await _requestPermissionStorage()) {
         ToastUtil.showToast("需要访问存储权限才能使用该功能，请到设置中开启");
@@ -148,16 +129,44 @@ class _ComplaintWebPageState extends State<ComplaintWebPage> {
     return [];
   }
 
-  /// 获取相机权限
-  Future<bool> _requestPermissionCam() async {
-    final permissions = await Permission.camera.request();
+  /// 选择图片底部弹框
+  Future<List<String>> _showImagePicker(context) async {
+    ImageSource source = ImageSource.gallery;
+    await showModalBottomSheet(
+      backgroundColor: Colors.transparent,
+      isScrollControlled: true,
+      context: context,
+      builder: (BuildContext context) {
+        return SelectImageDialog(onCallback: (imageSource) async {
+          source = imageSource;
+          debugPrint("imageSource-->$source");
+          Navigator.pop(context);
+        });
+      },
+    );
+    var list = await _convertImagePicker(source);
+    return list;
+  }
 
-    if (permissions.isGranted) {
-      return true;
-    } else {
-      ToastUtil.showToast('需要相机权限!');
-      return false;
+  /// 图片转换
+  Future<List<String>> _convertImagePicker(ImageSource source) async {
+    var photo = await ImagePicker().pickImage(source: source, imageQuality: 20);
+    // 未选择图片时 返回值为null，不需要增加提示信息
+    if (photo == null) {
+      return [];
     }
+    final imageData = await photo.readAsBytes();
+    final decodedImage = image.decodeImage(imageData)!;
+    final scaledImage = image.copyResize(decodedImage, width: 500);
+    final jpg = image.encodeJpg(scaledImage, quality: 90);
+
+    final filePath = (await getTemporaryDirectory()).uri.resolve(
+      './image_${DateTime.now().microsecondsSinceEpoch}.jpg',
+    );
+    final file = await File.fromUri(filePath).create(recursive: true);
+    await file.writeAsBytes(jpg, flush: true);
+    debugPrint("file = ${file.uri.toString()}");
+    return [file.uri.toString()];
   }
 
   /// 获取存储权限

lib/widget/select_image_dialog.dart

+import 'dart:io';
+
+import 'package:feedback_complaint_plug/utils/toast_util.dart';
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:permission_handler/permission_handler.dart';
+
+/// 选择图片（相机、相册）
+class SelectImageDialog extends StatelessWidget {
+  final String? title;
+  final Function onCallback;
+
+  const SelectImageDialog({super.key, this.title, required this.onCallback});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        const SizedBox(height: 10.0),
+        _cardContainer(children: [
+          _buttonItem(
+              title: "拍照",
+              onTap: () async {
+                await _selectPic(ImageSource.camera, onCallback);
+              }),
+          const Divider(height: 1.0),
+          _buttonItem(
+              title: "从相册选择",
+              onTap: () async {
+                await _selectPic(ImageSource.gallery, onCallback);
+              }),
+        ]),
+        const SizedBox(height: 10.0),
+        _cardContainer(children: [
+          _buttonItem(
+            title: "取消",
+            onTap: () => Navigator.pop(context),
+          )
+        ]),
+        const SizedBox(height: 10.0),
+      ],
+    );
+  }
+
+  /// 圆角卡片
+  _cardContainer({required List<Widget> children}) {
+    return Container(
+      width: double.infinity,
+      margin: const EdgeInsets.symmetric(horizontal: 20.0),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(10.0),
+      ),
+      child: Column(
+        children: children,
+      ),
+    );
+  }
+
+  /// 按钮
+  _buttonItem({title, onTap}) {
+    return InkWell(
+      onTap: onTap,
+      child: Container(
+        constraints: const BoxConstraints(minHeight: 45.0),
+        alignment: Alignment.center,
+        child: Text(
+          title ?? "",
+          style: const TextStyle(
+              fontSize: 14.0,
+              color: Color(0xFF212121),
+              fontWeight: FontWeight.bold),
+        ),
+      ),
+    );
+  }
+
+  /// 选择和加载图片
+  Future<void> _selectPic(ImageSource source, onSuccess) async {
+    if (Platform.isIOS) {
+      switch (source) {
+        case ImageSource.gallery:
+          await _galleryIOS(source, onSuccess);
+          break;
+        case ImageSource.camera:
+          await _cameraIOS(source, onSuccess);
+          break;
+      }
+    } else {
+      await _callbackImage(source, onSuccess);
+    }
+  }
+
+  _galleryIOS(ImageSource source, onSuccess) async {
+    if (await _requestPermissionPhotos()) {
+      _callbackImage(source, onSuccess);
+    } else {
+      if (await _requestPermissionPhotosAddOnly()) {
+        _callbackImage(source, onSuccess);
+      } else {
+        ToastUtil.showToast("无法访问相册中的照片，请前往系统设置！");
+        return;
+      }
+    }
+  }
+
+  _cameraIOS(ImageSource source, onSuccess) async {
+    if (await _requestPermissionCam()) {
+      _callbackImage(source, onSuccess);
+    } else {
+      ToastUtil.showToast("无法访问相机，请前往系统设置！");
+      return;
+    }
+  }
+
+  Future<void> _callbackImage(ImageSource source, onSuccess) async {
+    onCallback.call(source);
+  }
+
+  Future<bool> _requestPermissionPhotos() async {
+    final permissions = await Permission.photos.request();
+    if (permissions.isGranted) {
+      return true;
+    } else {
+      ToastUtil.showToast('需要相册权限!');
+      return false;
+    }
+  }
+
+  Future<bool> _requestPermissionPhotosAddOnly() async {
+    final permissions = await Permission.photosAddOnly.request();
+    if (permissions.isGranted) {
+      return true;
+    } else {
+      ToastUtil.showToast('需要相册权限!');
+      return false;
+    }
+  }
+
+  Future<bool> _requestPermissionCam() async {
+    final permissions = await Permission.camera.request();
+    if (permissions.isGranted) {
+      return true;
+    } else {
+      ToastUtil.showToast('需要相机权限!');
+      return false;
+    }
+  }
+}