Implement share_intent for image

android/app/src/main/AndroidManifest.xml

@@ -31,6 +31,12 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->

android/app/src/main/kotlin/com/humhub/humhub/MainActivity.kt

@@ -1,6 +1,16 @@
 package com.humhub.app
-
+import android.os.Bundle
 import io.flutter.embedding.android.FlutterActivity
+import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
 
 class MainActivity: FlutterActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        if (intent.getIntExtra("org.chromium.chrome.extra.TASK_ID", -1) == this.taskId) {
+            this.finish()
+            intent.addFlags(FLAG_ACTIVITY_NEW_TASK);
+            startActivity(intent);
+        }
+        super.onCreate(savedInstanceState)
+    }
 }

lib/main.dart

@@ -1,13 +1,42 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:humhub/util/redirect_handler.dart';
+import 'package:receive_sharing_intent/receive_sharing_intent.dart';
 
 void main() {
   runApp(const ProviderScope(child: MyApp()));
 }
 
-class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+class MyApp extends StatefulWidget {
+  const MyApp({super.key});
+
+  @override
+  MyAppState createState() => MyAppState();
+}
+
+class MyAppState extends State<MyApp> {
+  StreamSubscription? intentDataStreamSubscription;
+  List<SharedMediaFile>? sharedFiles;
+
+  @override
+  void initState() {
+    super.initState();
+    intentDataStreamSubscription = ReceiveSharingIntent.getMediaStream()
+        .listen((List<SharedMediaFile> value) {
+      setState(() {
+        sharedFiles = value;
+      });
+    });
+
+    // For sharing images coming from outside the app while the app is closed
+    ReceiveSharingIntent.getInitialMedia().then((List<SharedMediaFile> value) {
+      setState(() {
+        sharedFiles = value;
+      });
+    });
+  }
 
   @override
   Widget build(BuildContext context) {

pubspec.lock

@@ -62,6 +62,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_inappwebview:
+    dependency: "direct main"
+    description:
+      name: flutter_inappwebview
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.7.2+3"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -226,6 +233,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.3"
+  receive_sharing_intent:
+    dependency: "direct main"
+    description:
+      name: receive_sharing_intent
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.5"
   riverpod:
     dependency: transitive
     description:

pubspec.yaml

@@ -42,6 +42,8 @@ dependencies:
   flutter_riverpod: ^2.1.3
   permission_handler: ^10.2.0
   flutter_secure_storage: ^7.0.1
+  flutter_inappwebview: ^5.7.2+3
+  receive_sharing_intent: ^1.4.5
 
 dev_dependencies:
   flutter_test: