增加null-safety

example/.flutter-plugins-dependencies

+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"install_plugin","path":"/Users/qiaomeng/Desktop/updadte/install_plugin/","dependencies":[]},{"name":"permission_handler","path":"/Users/qiaomeng/flutter_2.5.1/.pub-cache/hosted/pub.flutter-io.cn/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"install_plugin","path":"/Users/qiaomeng/Desktop/updadte/install_plugin/","dependencies":[]},{"name":"permission_handler","path":"/Users/qiaomeng/flutter_2.5.1/.pub-cache/hosted/pub.flutter-io.cn/permission_handler-3.3.0/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"install_plugin","dependencies":[]},{"name":"permission_handler","dependencies":[]}],"date_created":"2021-10-16 14:52:48.255634","version":"2.5.1"}
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example/ios/Flutter/flutter_export_environment.sh

+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=/Users/qiaomeng/flutter_2.5.1"
+export "FLUTTER_APPLICATION_PATH=/Users/qiaomeng/Desktop/updadte/install_plugin/example"
+export "COCOAPODS_PARALLEL_CODE_SIGN=true"
+export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=false"
+export "TREE_SHAKE_ICONS=false"
+export "PACKAGE_CONFIG=.packages"

example/lib/main.dart

@@ -28,7 +28,7 @@ class _MyAppState extends State<MyApp> {
                       'apk file path to install. Like /storage/emulated/0/demo/update.apk'),
               onChanged: (path) => _apkFilePath = path,
             ),
-            FlatButton(
+            TextButton(
                 onPressed: () {
                   onClickInstallApk();
                 },
@@ -38,7 +38,7 @@ class _MyAppState extends State<MyApp> {
                   InputDecoration(hintText: 'URL for app store to launch'),
               onChanged: (url) => _appUrl = url,
             ),
-            FlatButton(
+            TextButton(
                 onPressed: () => onClickGotoAppStore(_appUrl),
                 child: Text('gotoAppStore'))
           ],

example/test/widget_test.dart

@@ -13,7 +13,7 @@ void main() {
   testWidgets('Verify Widgets', (WidgetTester tester) async {
     // Build our app and trigger a frame.
     await tester.pumpWidget(new MyApp());
-
-    expect(find.byType(FlatButton), findsNWidgets(2));
+    
+    expect(find.byType(TextButton), findsNWidgets(2));
   });
 }

lib/install_plugin.dart

@@ -5,16 +5,11 @@ import 'package:flutter/services.dart';
 class InstallPlugin {
   static const MethodChannel _channel = const MethodChannel('install_plugin');
 
-  /// for Android : install apk by its file absolute path;
-  /// if the target platform is higher than android 24:
-  /// a [appId] is required
-  /// (the caller's applicationId which is defined in build.gradle)
   static Future<String> installApk(String filePath, String appId) async {
     Map<String, String> params = {'filePath': filePath, 'appId': appId};
     return await _channel.invokeMethod('installApk', params);
   }
 
-  /// for iOS: go to app store by the url
   static Future<String> gotoAppStore(String urlString) async {
     Map<String, String> params = {'urlString': urlString};
     return await _channel.invokeMethod('gotoAppStore', params);

pubspec.yaml

 name: install_plugin
 description: A flutter plugin for install apk for android; and using url to go to app store for iOS.
 version: 2.0.1
-author: akindone <akindone@163.com>
 homepage: https://github.com/hui-z/flutter_install_plugin
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
-# For information on the generic Dart part of this file, see the
-# following page: https://www.dartlang.org/tools/pub/pubspec
 
-# The following section is specific to Flutter.
 flutter:
   plugin:
     androidPackage: com.zaihui.installplugin

test/install_plugin_test.dart

-import 'package:flutter/services.dart';
-import 'package:flutter_test/flutter_test.dart';
-import 'package:install_plugin/install_plugin.dart';
-
-void main() {
-  const MethodChannel channel = MethodChannel('install_plugin');
-  final List<MethodCall> log = <MethodCall>[];
-  String response;
-
-  channel.setMockMethodCallHandler((MethodCall methodCall) async {
-    log.add(methodCall);
-    return response;
-  });
-
-  tearDown(() {
-    log.clear();
-  });
-
-
-  test('installApk test', () async {
-    response = 'Success';
-    final fakePath = 'fake.apk';
-    final fakeAppId = 'com.example.install';
-    final String result = await InstallPlugin.installApk(fakePath, fakeAppId);
-    expect(
-      log,
-      <Matcher>[isMethodCall('installApk', arguments: {'filePath': fakePath, 'appId': fakeAppId})],
-    );
-    expect(result, response);
-  });
-
-  test('gotoAppStore test', () async {
-    response = null;
-    final fakeUrl = 'fake_url';
-    final String result = await InstallPlugin.gotoAppStore(fakeUrl);
-    expect(
-      log,
-      <Matcher>[
-        isMethodCall('gotoAppStore', arguments: {'urlString': fakeUrl})
-      ],
-    );
-    expect(result, isNull);
-  });
-
-}
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