[Android] Implement sharing text to GitJournal

Related to #38

android/app/src/main/AndroidManifest.xml

@@ -32,6 +32,14 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+
+            <!-- Sharing Related -->
+            <intent-filter>
+               <action android:name="android.intent.action.SEND" />
+               <category android:name="android.intent.category.DEFAULT" />
+               <data android:mimeType="text/*" />
+            </intent-filter>
+
         </activity>
 
         <activity

lib/app.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:io';
 
 import 'package:device_info/device_info.dart';
@@ -19,6 +20,7 @@ import 'package:easy_localization_loader/easy_localization_loader.dart';
 
 import 'package:git_bindings/git_bindings.dart';
 import 'package:quick_actions/quick_actions.dart';
+import 'package:receive_sharing_intent/receive_sharing_intent.dart';
 
 import 'package:gitjournal/apis/git.dart';
 import 'package:gitjournal/settings.dart';
@@ -142,6 +144,9 @@ class _JournalAppState extends State<JournalApp> {
   final _navigatorKey = GlobalKey<NavigatorState>();
   String _pendingShortcut;
 
+  StreamSubscription _intentDataStreamSubscription;
+  String _sharedText;
+
   @override
   void initState() {
     super.initState();
@@ -176,6 +181,8 @@ class _JournalAppState extends State<JournalApp> {
     ]);
 
     print("Nav key $_navigatorKey");
+
+    _initShareSubscriptions();
   }
 
   void _afterBuild(BuildContext context) {
@@ -186,6 +193,65 @@ class _JournalAppState extends State<JournalApp> {
     }
   }
 
+  void _initShareSubscriptions() {
+    // For sharing images coming from outside the app while the app is in the memory
+    /*
+    _intentDataStreamSubscription =
+        ReceiveSharingIntent.getMediaStream().listen((List<SharedMediaFile> value) {
+      setState(() {
+        print("Shared:" + (_sharedFiles?.map((f)=> f.path)?.join(",") ?? ""));
+        _sharedFiles = value;
+      });
+    }, onError: (err) {
+      print("getIntentDataStream error: $err");
+    });
+
+    // For sharing images coming from outside the app while the app is closed
+    ReceiveSharingIntent.getInitialMedia().then((List<SharedMediaFile> value) {
+      setState(() {
+        _sharedFiles = value;
+      });
+    });
+    */
+
+    // For sharing or opening text coming from outside the app while the app is in the memory
+    var handleShare = () {
+      print("handleShare $_sharedText");
+      if (_sharedText == null) {
+        return;
+      }
+
+      var editor = Settings.instance.defaultEditor.toInternalString();
+      _navigatorKey.currentState.pushNamed("/newNote/$editor");
+    };
+
+    _intentDataStreamSubscription =
+        ReceiveSharingIntent.getTextStream().listen((String value) {
+      Log.i("Received Share $value");
+      setState(() {
+        _sharedText = value;
+      });
+      WidgetsBinding.instance.addPostFrameCallback((_) => handleShare());
+    }, onError: (err) {
+      Log.e("getLinkStream error: $err");
+    });
+
+    // For sharing or opening text coming from outside the app while the app is closed
+    ReceiveSharingIntent.getInitialText().then((String value) {
+      Log.i("Received Share with App running $value");
+      setState(() {
+        _sharedText = value;
+      });
+      WidgetsBinding.instance.addPostFrameCallback((_) => handleShare());
+    });
+  }
+
+  @override
+  void dispose() {
+    _intentDataStreamSubscription.cancel();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return DynamicTheme(
@@ -269,7 +335,11 @@ class _JournalAppState extends State<JournalApp> {
       Log.i("EditorType: $et");
 
       var rootFolder = widget.appState.notesFolder;
-      return NoteEditor.newNote(getFolderForEditor(rootFolder, et), et);
+      return NoteEditor.newNote(
+        getFolderForEditor(rootFolder, et),
+        et,
+        existingText: _sharedText,
+      );
     }
 
     assert(false, "Not found named route in _screenForRoute");

lib/screens/note_editor.dart

@@ -24,15 +24,23 @@ class NoteEditor extends StatefulWidget {
   final NotesFolderFS notesFolder;
   final EditorType defaultEditorType;
 
+  final String existingText;
+
   NoteEditor.fromNote(this.note)
       : notesFolder = note.parent,
-        defaultEditorType = null;
-  NoteEditor.newNote(this.notesFolder, this.defaultEditorType) : note = null;
+        defaultEditorType = null,
+        existingText = null;
+
+  NoteEditor.newNote(
+    this.notesFolder,
+    this.defaultEditorType, {
+    this.existingText,
+  }) : note = null;
 
   @override
   NoteEditorState createState() {
     if (note == null) {
-      return NoteEditorState.newNote(notesFolder);
+      return NoteEditorState.newNote(notesFolder, existingText);
     } else {
       return NoteEditorState.fromNote(note);
     }
@@ -55,8 +63,11 @@ class NoteEditorState extends State<NoteEditor> {
     return widget.note == null;
   }
 
-  NoteEditorState.newNote(NotesFolderFS folder) {
+  NoteEditorState.newNote(NotesFolderFS folder, String existingText) {
     note = Note.newNote(folder);
+    if (existingText != null) {
+      note.body = existingText;
+    }
   }
 
   NoteEditorState.fromNote(this.note) {

pubspec.lock

@@ -672,6 +672,13 @@ 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: "1.4.0+2"
   resource:
     dependency: transitive
     description:

pubspec.yaml

@@ -56,6 +56,7 @@ dependencies:
   easy_localization: ^2.2.1
   easy_localization_loader: ^0.0.2
   quick_actions: ^0.4.0+5
+  receive_sharing_intent: ^1.4.0+2
 
 dev_dependencies:
   flutter_launcher_icons: "^0.7.2"