From 01adf863d06a179332136a3fd80210a38b146265 Mon Sep 17 00:00:00 2001
From: OmarHatem28 <omarh.ismail1@gmail.com>
Date: Tue, 9 Aug 2022 13:34:40 +0200
Subject: [PATCH] Add the ability to launch app from Crypto QR codes

---
 android/app/src/main/AndroidManifestBase.xml |  9 +++++
 lib/main.dart                                | 37 ++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/android/app/src/main/AndroidManifestBase.xml b/android/app/src/main/AndroidManifestBase.xml
index f43b0369b..f4023f532 100644
--- a/android/app/src/main/AndroidManifestBase.xml
+++ b/android/app/src/main/AndroidManifestBase.xml
@@ -38,6 +38,15 @@
                     android:scheme="cakewallet"
                     android:host="y.at" />
             </intent-filter>
+            <!-- bitcoin qr code scheme -->
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="bitcoin" />
+                <data android:scheme="monero" />
+                <data android:scheme="litecoin" />
+            </intent-filter>
         </activity>
         <meta-data
                 android:name="flutterEmbedding"
diff --git a/lib/main.dart b/lib/main.dart
index 4d0ea6208..901773072 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -202,6 +202,8 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
     super.initState();
     //_handleIncomingLinks();
     //_handleInitialUri();
+
+    initUniLinks();
   }
 
   @override
@@ -210,6 +212,41 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
     super.dispose();
   }
 
+  /// handle app links while the app is already started - be it in
+  /// the foreground or in the background.
+  Future<void> initUniLinks() async {
+    try {
+      stream = getLinksStream().listen((String link) {
+        handleDeepLinking(link);
+      });
+
+      final String initialLink = await getInitialLink();
+
+      handleDeepLinking(initialLink);
+    } catch (e) {
+      print(e);
+    }
+  }
+
+  void handleDeepLinking(String link) async {
+    if (link == null || !mounted) return;
+
+    final List<String> urlComponents = link.split(":");
+
+    switch (urlComponents.first) {
+      case "bitcoin":
+        print("@@@@@@@@@@@@@@@@@@@@@@@@@@");
+        print("Bitcoin QR Code: \n${link}");
+        break;
+      case "litecoin":
+      case "haven":
+      case "monero":
+      default:
+        print("@@@@@@@@@@@@@@@@@@@@@@@@@@");
+        print(link);
+    }
+  }
+
   Future<void> _handleInitialUri() async {
     try {
       final uri = await getInitialUri();