import'package:flutter/material.dart';import'package:image_picker/image_picker.dart';voidmain(){runApp(MyApp());}classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){returnMaterialApp(title:'Image Picker Example',home:ImagePickerDemo(),);}}classImagePickerDemoextendsStatefulWidget{@o...
image_picker是flutter官方维护开发的一个本地图片选择的插件。 安装 点image_picker获取最新版本,在pubspec.yaml添加如下内容: image_picker:^latest_version Android 打开app/src/main/AndroidManifest.xml文件,添加如下内容 <manifest><application>...</application>// 写入文件权限<uses-permissionandroid:name="andro...
awaitImagePicker().pickImage(source:ImageSource.camera); 1. 完整的代码 完整的代码如下: import'package:flutter/material.dart';import'dart:io';import'package:image_picker/image_picker.dart';import'package:shared_preferences/shared_preferences.dart';classSettingsPageextendsStatefulWidget{constSettingsPage({...
Android系统(尽管很少)有时会在image_picker完成后杀死程序。发生这种情况时,我们丢失了从image_picker中选择的数据。retrieveLostData在这种情况下,您可以用来检索丢失的数据。例如: Future<void> retrieveLostData() async { final LostDataResponse response = await ImagePicker.retrieveLostData(); if (response ==...
image_picker使用方法 首先添加依赖 在pubspec.yaml加入image_picker的依赖,版本号在github上找最新的即可。 如下:最新的是可以在这里找到:https://pub.dev/flutter/packages?q=image_picker,输入:image_picker即可搜索到最新版本,这里用老版本(稳) 依赖添加完成点击右上角的 Packages get 出现finished及可。
可能是由于以下原因导致的: 1. 依赖冲突:检查你的项目中是否存在其他依赖与image_picker存在冲突。可以尝试更新你的flutter版本或者image_picker版本,或者手动解决依赖冲突...
image flutter directory crop 我的代码执行以下操作: 使用pickImage()拾取图像(来自image_picker包) 然后,它获取拾取的图像并使用cropImage()对其进行裁剪((image_cropper包) 拾取后,函数pickImage()将其保存在以下路径中: /data/user/0/com.example.myapp/cache/9930cfca-6eb2.jpg 然后cropImage()函数将返回...
image_picker:^<latest_version>#替换为最新版本号 然后运行flutter pub get来安装该插件。 2.导入库 在需要使用image_picker功能的dart文件中导入库: dart import'package:image_picker/image_picker.dart'; 3.使用权限 在Android和iOS平台都需要相应的权限才能访问相册和相机。确保在各自的manifest文件中声明了这些...
Image Picker plugin for Flutter A Flutter plugin for iOS and Android for picking images from the image library, and taking new pictures with the camera. Installation First, addimage_pickeras adependency in your pubspec.yaml file. iOS Add the following keys to yourInfo.plistfile, located in<pr...
Whenever callingImagePicker().pickImage(), the devices' camera should open. Actual results The app freezes for around 10 seconds, then the camera opens, and the following log is produced: [Camera] Attempted to change to mode Portrait with an unsupported device (BackWideDual). Auto device for...