Flutter安卓APK安装包管理插件flutter_android_package_installer的使用
Flutter安卓APK安装包管理插件flutter_android_package_installer的使用
本库基于android_package_installer改造，适配最新Flutter 3.24.0版本，并修改了以下内容:
- 原库的
installApk方法调用的是PackageInstaller.Session方法实现的。PackageInstaller我这里测试就没成功过。所以这里更改了此方法的默认实现为Intent.ACTION_VIEW - 原库的
installApk方法改名为installApkSession - 修改
compileSdk 34 - 新增
getPlatformVersion方法 - 新增
openAppMarket方法 - 新增
openAppSettingDetail方法
补充一点
FileProvider资源配置需要包含root-path:
<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<external-path name="external_files" path="."/>
<root-path name="root" path="" />
</paths>
android_package_installer
A Flutter plugin for installing Android package from apk file. 插件使用Android Package Installer，并且需要最小API级别版本21。
使用
import 'package:flutter_android_package_installer/flutter_android_package_installer.dart';
int? statusCode = await AndroidPackageInstaller.installApk(apkFilePath: '/sdcard/Download/com.example.apk');
if (code != null) {
PackageInstallerStatus installationStatus = PackageInstallerStatus.byCode(statusCode);
print(installationStatus.name);
}
要安装Android包，应用程序需要权限。你可以使用permission_handler包来请求它们。
设置
- 在
<projectDir>/android/app/src/main/AndroidManifest.xml文件中添加权限到你的AndroidManifest.xml文件：
<manifest xmlns:tools="http://schemas.android.com/tools" ...>
<!-- ADD THESE PERMISSIONS -->
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<application ...>
<activity ...>
...
<!-- ADD THIS INTENT FILTER -->
<intent-filter>
<action
android:name="com.android_package_installer.content.SESSION_API_PACKAGE_INSTALLED"
android:exported="false"/>
</intent-filter>
</activity>
<!-- ADD THIS PROVIDER -->
<provider
android:name="androidx.core.content.FileProvider"
android:authorities="${applicationId}"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths"/>
</provider>
</application>
</manifest>
- 检查外部路径在你的自定义路径文件中。如果不存在，在
<projectDir>/android/app/src/main/res/xml/file_paths.xml创建它：
<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<external-path name="external_files" path="."/>
</paths>
示例代码
import 'package:flutter_android_package_installer/flutter_android_package_installer.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:permission_handler/permission_handler.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
[@override](/user/override)
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _installationStatus = '';
final TextEditingController _filePathFieldController =
TextEditingController(text: '');
[@override](/user/override)
void initState() {
super.initState();
}
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('插件示例'),
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(30.0),
child: Column(
children: [
Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Expanded(
child: TextField(
controller: _filePathFieldController,
decoration: const InputDecoration(
labelText: "APK文件路径",
hintText: "输入路径"))),
_button('选择文件', () async {
FilePickerResult? result = await FilePicker.platform
.pickFiles(
type: FileType.custom,
allowedExtensions: ['apk']);
if (result != null) {
setState(() {
_filePathFieldController.text =
result.files.single.path!;
_installationStatus = '';
});
}
}),
],
),
const SizedBox(height: 10),
Text(
'PackageManager安装状态: $_installationStatus'),
const SizedBox(height: 30),
_button('安装APK文件会话', () async {
if (_filePathFieldController.text.isNotEmpty) {
setState(() {
_installationStatus = '';
});
try {
int? code =
await AndroidPackageInstaller.installApkSession(
apkFilePath: _filePathFieldController.text);
if (code != null) {
setState(() {
_installationStatus =
PackageInstallerStatus.byCode(code).name;
});
}
} on PlatformException {
print('错误在平台。安装APK文件失败。');
}
}
}),
_button('安装APK文件', () async {
if (_filePathFieldController.text.isNotEmpty) {
setState(() {
_installationStatus = '';
});
try {
int? code = await AndroidPackageInstaller.installApk(
apkFilePath: _filePathFieldController.text);
if (code != null) {
setState(() {
_installationStatus =
PackageInstallerStatus.byCode(code).name;
});
}
} on PlatformException {
print('错误在平台。安装APK文件失败。');
}
}
}),
_button('获取平台版本', () async {
try {
String? platformVersion =
await AndroidPackageInstaller.platformVersion;
if (platformVersion != null) {
setState(() {
_installationStatus = platformVersion;
});
}
} on PlatformException {
print('错误在平台。安装APK文件失败。');
}
}),
_button('打开应用市场', () async {
try {
await AndroidPackageInstaller.openAppMarket();
} on PlatformException {
print('错误在平台。安装APK文件失败。');
}
}),
_button('打开应用设置详情', () async {
try {
await AndroidPackageInstaller.openAppSettingDetails();
} on PlatformException {
print('错误在平台。安装APK文件失败。');
}
}),
const Spacer(),
SizedBox(
child: Column(children: [
const Text('权限:'),
_button('外部存储',
() => _requestPermission(Permission.storage)),
_button(
'请求安装包',
() => _requestPermission(
Permission.requestInstallPackages)),
_button(
'管理外部存储\n(适用于Android 11+目标)',
() => _requestPermission(
Permission.manageExternalStorage)),
]),
),
],
)),
),
),
);
}
ElevatedButton _button(String text, VoidCallback? onPressed) {
return ElevatedButton(
onPressed: onPressed,
child: Text(text),
);
}
void _requestPermission(Permission permission) async {
var status = await permission.status;
if (status.isDenied) {
await permission.request();
}
}
}
更多关于Flutter安卓APK安装包管理插件flutter_android_package_installer的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html
