Flutter图片选择插件fb_image_picker的使用

描述

A Flutter插件用于iOS和Android从图库中选择图片，并通过相机拍摄新照片。- 使用爱

设置

在你的gradle.properties文件中添加以下内容：

android.useAndroidX=true
android.enableJetifier=true

确保在你的android/app/build.gradle文件中将compileSdkVersion设置为31：

android {
  compileSdkVersion 31
  ...
}

确保在你的android/app/build.gradle文件中将minSdkVersion设置为21：

android {
  minSdkVersion 21
  ...
}

设置权限：

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA" />

截图

选择图片：

显示骨架：

显示文件夹：

显示相机：

开始使用

在你的pubspec.yaml文件中添加包的URL。

使用

只需导航到FBImagePicker：

TextButton(
  child: const Text(
    'FB Image Picker',
  ),
  onPressed: () {
    Navigator.push(
      context,
      MaterialPageRoute(
        builder: (context) => FBImagePicker(
          btnColor: Colors.blue,
          title: 'FB Image Picker',
          afterNextBTN: () {
            Navigator.pop(context);
          },
          backOnSystem: () {
            Navigator.pop(context);
          },
          onComplete: (final imagePickerList) {
            setState(() {
              imageList = imagePickerList;
            });
          },
        ),
      ),
    );
  }
)

所有参数

backgroundColor: Colors.white,
btnColor: Colors.blue,
textStyle: TextStyle(color: Colors.black),
title: 'FB Image Picker',
enableCamera: true,
afterNextBTN: () {},
backOnSystem: () {},
onComplete: (imagePickerList) {},

示例代码

example/main.dart

import 'dart:io';

import 'package:fb_image_picker/fb_image_picker.dart';
import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'FB Image Picker',
      home: Example(),
    );
  }
}

class Example extends StatefulWidget {
  const Example({Key? key}) : super(key: key);

  @override
  State<Example> createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  List imageList = [];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SingleChildScrollView(
        child: Container(
          width: MediaQuery.of(context).size.width,
          // height: MediaQuery.of(context).size.height,
          color: Colors.black.withOpacity(0.9),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              const Padding(
                padding: EdgeInsets.only(top: 60, bottom: 20),
                child: Text(
                  'FB Image Picker',
                  style: TextStyle(color: Colors.white, fontSize: 18),
                ),
              ),
              Padding(
                padding: const EdgeInsets.only(bottom: 15),
                child: TextButton(
                  child: const Text(
                    'FB Image Picker',
                    style: TextStyle(color: Colors.green, fontSize: 16),
                  ),
                  onPressed: () {
                    Navigator.push(
                      context,
                      MaterialPageRoute(
                        builder: (context) => FBImagePicker(
                          btnColor: Colors.blue,
                          title: 'FB Image Picker',
                          afterNextBTN: () {
                            Navigator.pop(context);
                          },
                          backOnSystem: () {
                            Navigator.pop(context);
                          },
                          onComplete: (final imagePickerList) {
                            setState(() {
                              imageList = imagePickerList;
                            });
                          },
                        ),
                      ),
                    );
                  },
                ),
              ),
              if (imageList.length == 1)
                Image.file(
                  File(imageList[0]),
                  fit: BoxFit.cover,
                ),
              if (imageList.length == 2)
                Column(
                  children: [
                    Image.file(
                      File(imageList[0]),
                      fit: BoxFit.cover,
                    ),
                    Image.file(
                      File(imageList[1]),
                      fit: BoxFit.cover,
                    ),
                  ],
                )
            ],
          ),
        ),
      ),
    );
  }
}