更新文件

android/app/src/main/AndroidManifest.xml

@@ -1,7 +1,19 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.READ_CALL_LOG" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <!-- read permissions for external storage -->
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <!-- installation package permissions -->
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <!-- write permissions for external storage -->
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <!-- Install/delete permissions, only granted to system apps -->
+    <uses-permission android:name="android.permission.INSTALL_PACKAGES"
+        tools:ignore="ProtectedPermissions" />
+    <uses-permission android:name="android.permission.DELETE_PACKAGES"
+        tools:ignore="ProtectedPermissions" />
 
     <application
         android:label="银收客订餐"
@@ -34,6 +46,17 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+
+        <!-- Provider -->
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
     </application>
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and

android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path path="Android/data/com.czg.cashier_reserve/" name="files_root" />
+    <external-path path="." name="external_storage_root" />
+</paths>

lib/update_version/update_version_view.dart

@@ -1,9 +1,9 @@
-
 import 'package:cashier_reserve/common/print/print.dart';
 import 'package:cashier_reserve/data_model/version/update_version_model.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_app_installer/flutter_app_installer.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:percent_indicator/percent_indicator.dart';
 
@@ -198,13 +198,13 @@ class _UpdateVersionViewState extends State<UpdateVersionView> {
             progressText = "${(currentProgress * 100).toStringAsFixed(2)}%";
             progress = double.parse(currentProgress.toStringAsFixed(2));
           });
-          yjPrint(progress);
-
-          _cancelToken = null;
+          yjPrint(progressText);
         }
       }, cancelToken: _cancelToken);
 
       yjPrint("文件下载成功");
+      _cancelToken = null;
+      installApk("$savePath$appName");
     } catch (e) {
       yjPrint("文件下载失败：$e");
     }
@@ -214,4 +214,11 @@ class _UpdateVersionViewState extends State<UpdateVersionView> {
     final directory = await getExternalStorageDirectory();
     return directory?.path ?? '';
   }
+
+  installApk(String apkPath) async {
+    final FlutterAppInstaller flutterAppInstaller = FlutterAppInstaller();
+    flutterAppInstaller.installApk(
+      filePath: apkPath,
+    );
+  }
 }

pubspec.lock

@@ -219,6 +219,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_app_installer:
+    dependency: "direct main"
+    description:
+      name: flutter_app_installer
+      sha256: b71f7c3f6c5712b6f9bdcde798bbb8a0c4047cab47c4364f7252de8c95d67358
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.0"
   flutter_cache_manager:
     dependency: transitive
     description:

pubspec.yaml

@@ -51,6 +51,7 @@ dependencies:
   url_launcher: ^6.3.1
   easy_refresh: ^3.4.0
   package_info_plus: ^8.1.1
+  flutter_app_installer: ^1.0.0
 
 dev_dependencies:
   flutter_test: