增加版本检测

android/app/src/main/AndroidManifest.xml

@@ -1,12 +1,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.flutter_video_app">
-
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <application android:name="io.flutter.app.FlutterApplication" android:label="Anime" android:icon="@mipmap/ic_launcher">
         <activity android:name=".MainActivity" android:launchMode="singleTop" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize">
             <!-- This keeps the window background of the activity showing
@@ -19,5 +16,16 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+
+        <provider android:name="vn.hunghd.flutterdownloader.DownloadedFileProvider" android:authorities="${applicationId}.flutter_downloader.provider" android:exported="false" android:grantUriPermissions="true">
+            <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/provider_paths"/>
+        </provider>
+
+        <provider android:name="androidx.work.impl.WorkManagerInitializer" android:authorities="${applicationId}.workmanager-init" android:enabled="false" android:exported="false" />
+
+        <provider android:name="vn.hunghd.flutterdownloader.FlutterDownloaderInitializer" android:authorities="${applicationId}.flutter-downloader-init" android:exported="false">
+            <meta-data android:name="vn.hunghd.flutterdownloader.MAX_CONCURRENT_TASKS" android:value="5" />
+        </provider>
     </application>
+
 </manifest>

android/app/src/main/res/values-b+zh+ZH/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+<string name="flutter_downloader_notification_started">下载开始</string>
+<string name="flutter_downloader_notification_in_progress">正在下载</string>
+<string name="flutter_downloader_notification_canceled">下载取消</string>
+<string name="flutter_downloader_notification_failed">下载错误</string>
+<string name="flutter_downloader_notification_complete">下载完成</string>
+<string name="flutter_downloader_notification_paused">下载暂停</string>
+</resources>

android/app/src/main/res/values-b+zh+ZH/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+<string name="flutter_downloader_notification_started">Download started</string>
+<string name="flutter_downloader_notification_in_progress">Download in progress</string>
+<string name="flutter_downloader_notification_canceled">Download canceled</string>
+<string name="flutter_downloader_notification_failed">Download failed</string>
+<string name="flutter_downloader_notification_complete">Download complete</string>
+<string name="flutter_downloader_notification_paused">Download paused</string>
+</resources>

lib/pages/home/home_page.dart

@@ -1,10 +1,20 @@
+import 'dart:convert';
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_video_app/models/week_data_dto/week_data_dto.dart';
 import 'package:flutter_video_app/pages/home/home.store.dart';
 import 'package:flutter_video_app/pages/list_search/list_search.dart';
 import 'package:flutter_video_app/pages/nicotv/nicotv_page.dart';
 import 'package:flutter_video_app/shared/widgets/anime_card.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:package_info/package_info.dart';
+import 'package:http/http.dart' as http;
+import 'package:flutter_downloader/flutter_downloader.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:path/path.dart' as path;
+import 'package:install_plugin/install_plugin.dart' show InstallPlugin;
 
 final homeStore = HomeStore();
 
@@ -15,6 +25,7 @@ class HomePage extends StatefulWidget {
 
 class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
   TabController tabController;
+  bool _permissisonReady = false;
   @override
   void initState() {
     super.initState();
@@ -25,11 +36,114 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
     tabController.addListener(() {
       homeStore.setInitialIndex(tabController.index);
     });
+    _checkVertion();
+  }
+
+  Future<void> _checkVertion() async {
+    _permissisonReady = await _checkPermission();
+    if (!_permissisonReady) return;
+    final PackageInfo info = await PackageInfo.fromPlatform();
+    String localVertion = info.version;
+    var r = await http.get(
+        'https://api.github.com/repos/januwA/flutter_anime_app/releases/latest');
+    var body = jsonDecode(r.body);
+    String latestVertion = body['tag_name'];
+    if (localVertion != latestVertion) {
+      _showDIalog(localVertion, latestVertion, body);
+    }
+  }
+
+  _showDIalog(localVertion, latestVertion, body) {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: Text('有新版本可以更新!'),
+          content: SingleChildScrollView(
+            child: ListBody(
+              children: <Widget>[
+                Text('当前版本: v$localVertion'),
+                Text('最新版本: v$latestVertion'),
+              ],
+            ),
+          ),
+          actions: <Widget>[
+            FlatButton(
+              child: Text('取消'),
+              onPressed: () {
+                Navigator.of(context).pop();
+              },
+            ),
+            RaisedButton(
+              child: Text(
+                '确定',
+                style: TextStyle(color: Colors.white),
+              ),
+              onPressed: () {
+                Navigator.of(context).pop();
+                List assets = body['assets'];
+                String browserDownloadUrl = assets[0]['browser_download_url'];
+                _downloadApp(browserDownloadUrl, assets[0]['id']);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  _downloadApp(String browserDownloadUrl, appId) async {
+    String _localPath = (await _findLocalPath()) + '/AnimeApp';
+
+    final savedDir = Directory(_localPath);
+    bool hasExisted = await savedDir.exists();
+    if (!hasExisted) {
+      savedDir.create();
+    }
+    final taskId = await FlutterDownloader.enqueue(
+      url: browserDownloadUrl,
+      savedDir: _localPath,
+      showNotification: true, // 显示状态栏中的下载进度（适用于Android）
+      openFileFromNotification: true, // 点击通知打开下载的文件（适用于Android）
+    );
+    FlutterDownloader.registerCallback((id, status, progress) async {
+      if (taskId == id && status == DownloadTaskStatus.complete) {
+        File df = File(path.joinAll([_localPath, 'app-release.apk']));
+        final PackageInfo info = await PackageInfo.fromPlatform();
+        InstallPlugin.installApk(df.path, info.packageName);
+      }
+    });
+  }
+
+  Future<String> _findLocalPath() async {
+    final directory = await getExternalStorageDirectory();
+    return directory.path;
+  }
+
+  Future<bool> _checkPermission() async {
+    if (Platform.isAndroid) {
+      PermissionStatus permission = await PermissionHandler()
+          .checkPermissionStatus(PermissionGroup.storage);
+      if (permission != PermissionStatus.granted) {
+        Map<PermissionGroup, PermissionStatus> permissions =
+            await PermissionHandler()
+                .requestPermissions([PermissionGroup.storage]);
+        if (permissions[PermissionGroup.storage] == PermissionStatus.granted) {
+          return true;
+        }
+      } else {
+        return true;
+      }
+    } else {
+      return true;
+    }
+    return false;
   }
 
   @override
   void dispose() {
     tabController.dispose();
+    FlutterDownloader.registerCallback(null);
     super.dispose();
   }
 

pubspec.lock

@@ -167,6 +167,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_downloader:
+    dependency: "direct main"
+    description:
+      name: flutter_downloader
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.7"
   flutter_mobx:
     dependency: "direct main"
     description:
@@ -228,6 +235,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.3"
+  install_plugin:
+    dependency: "direct main"
+    description:
+      name: install_plugin
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.1"
   io:
     dependency: transitive
     description:
@@ -305,6 +319,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
+  package_info:
+    dependency: "direct main"
+    description:
+      name: package_info
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.4.0+4"
   package_resolver:
     dependency: transitive
     description:
@@ -313,19 +334,33 @@ packages:
     source: hosted
     version: "1.0.10"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.6.2"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.0"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.0+1"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.1.0"
   pool:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_video_app
 description: A new Flutter project.
-version: 1.0.0+1
+version: 0.2.2
 
 environment:
   sdk: ">=2.2.2 <3.0.0"
@@ -23,6 +23,12 @@ dependencies:
   video_box: ^0.2.2
   html: ^0.14.0+1
   webview_flutter:
+  package_info: ^0.4.0+4
+  flutter_downloader: ^1.1.7
+  path_provider: ^1.1.0
+  permission_handler:
+  path:
+  install_plugin: ^2.0.1
 
 dev_dependencies:
   flutter_test: