Integrated Dynamic Link and its handling for product share

android/app/build.gradle

@@ -13,7 +13,7 @@ if (flutterRoot == null) {
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+    flutterVersionCode = '3'
 }
 
 def flutterVersionName = localProperties.getProperty('flutter.versionName')
@@ -26,8 +26,15 @@ apply plugin: 'com.google.gms.google-services'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+rootProject.ext {
+  set('FlutterFire', [
+    FirebaseSDKVersion: '25.12.0'
+  ])
+}
+
 android {
-    compileSdkVersion 28
+    compileSdkVersion 30
+    buildToolsVersion '29.0.0'
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -44,6 +51,7 @@ android {
         targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -61,6 +69,8 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.google.firebase:firebase-dynamic-links'
     implementation platform('com.google.firebase:firebase-bom:26.6.0')
     implementation 'com.google.firebase:firebase-analytics'
+    implementation 'com.android.support:multidex:1.0.3'
 }

android/app/src/main/AndroidManifest.xml

@@ -5,12 +5,12 @@
          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.INTERNET"/>
     <application
-        android:name="io.flutter.app.FlutterApplication"
         android:label="retro_shopping"
         android:icon="@mipmap/ic_launcher">
         <activity
-            android:name=".MainActivity"
+            android:name="io.flutter.embedding.android.FlutterActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
@@ -37,6 +37,16 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="relicbazaar.page.link"
+                    android:scheme="https" />
+            </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->

android/build.gradle

@@ -7,7 +7,7 @@ buildscript {
 
     dependencies {
         classpath 'com.google.gms:google-services:4.3.5'
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip

android/settings.gradle

@@ -1,15 +1,15 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
 include ':app'
 
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
 
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
 
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}

android/settings_aar.gradle

@@ -0,0 +1 @@
+include ':app'

lib/main.dart

@@ -27,7 +27,7 @@ class MyApp extends StatelessWidget {
       routes: <String, WidgetBuilder>{
         '/dashboard': (BuildContext context) => Dashboard(),
       },
-      home: Splash(),
+      home: Splash(initLink: true),
     );
   }
 }

lib/services/dynamicLink.dart

@@ -0,0 +1,36 @@
+import 'package:firebase_dynamic_links/firebase_dynamic_links.dart';
+import 'package:flutter/material.dart';
+
+class DynamicLinkService {
+  static Future<Uri> createDynamicLink(
+      {int height,
+      String text,
+      String owner,
+      String image,
+      String seller,
+      String amount,
+      bool isProduct = false}) async {
+    final DynamicLinkParameters parameters = DynamicLinkParameters(
+      uriPrefix: 'https://relicbazaar.page.link',
+      // text: text,
+      // owner: owner,
+      // image: image,
+      // prodHeight: height,
+      // seller: seller,
+      // amount: amount,
+      link: isProduct
+          ? Uri.parse(
+              'https://relicbazaar.page.link.com/?isProduct=$isProduct&text=$text&height=$height&image=$image&seller=$seller&amount=$amount&owner=$owner')
+          : Uri.parse(
+              'https://relicbazaar.page.link.com/?isProduct=$isProduct'),
+      androidParameters: AndroidParameters(
+        packageName: 'com.example.retro_shopping',
+      ),
+    );
+    Uri url;
+    final ShortDynamicLink shortLink = await parameters.buildShortLink();
+    url = shortLink.shortUrl;
+    print(url);
+    return url;
+  }
+}

lib/widgets/product/product_page.dart

@@ -1,7 +1,13 @@
+import 'dart:io';
+
+import 'package:esys_flutter_share/esys_flutter_share.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:retro_shopping/helpers/constants.dart';
 
 import '../../helpers/app_icons.dart';
+import 'package:retro_shopping/services/dynamicLink.dart';
 import '../retro_button.dart';
 
 // ignore: must_be_immutable
@@ -25,6 +31,36 @@ class ProductPage extends StatefulWidget {
 }
 
 class _ProductPageState extends State<ProductPage> {
+  Uri uri;
+  @override
+  void initState() {
+    super.initState();
+    _getUrl();
+  }
+
+  Future<void> _getUrl() async {
+    uri = await DynamicLinkService.createDynamicLink(
+        isProduct: true,
+        text: widget.text,
+        image: widget.image,
+        owner: widget.owner,
+        seller: widget.seller,
+        height: widget.prodHeight,
+        amount: widget.amount);
+  }
+
+  Future<void> _shareWithImage() async {
+    try {
+      var bytes = await rootBundle.load(widget.image);
+      await Share.file('${widget.text}', '${widget.text}.png',
+          bytes.buffer.asUint8List(), 'image/png',
+          text:
+              'Checkout this amazing product ${widget.text} on ${uri.toString()}');
+    } catch (err) {
+      print(err);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final double height = MediaQuery.of(context).size.height;
@@ -329,7 +365,7 @@ class _ProductPageState extends State<ProductPage> {
             ),
           ),
           Transform.translate(
-            offset: const Offset(145, 375),
+            offset: Offset(80, 375),
             child: Row(
               children: <Widget>[
                 RetroButton(
@@ -338,13 +374,30 @@ class _ProductPageState extends State<ProductPage> {
                   width: width * 0.12,
                   height: height * 0.05,
                   borderColor: Colors.white,
-                  child: const Center(
-                    child: Icon(
-                      Icons.favorite,
-                      color: RelicColors.primaryColor,
+                ),
+              ],
+            ),
+          ),
+          Transform.translate(
+            offset: Offset(145, 375),
+            child: Row(
+              children: [
+                InkWell(
+                  onTap: _shareWithImage,
+                  child: RetroButton(
+                    child: Center(
+                      child: Icon(
+                        Icons.share,
+                        color: RelicColors.primaryColor,
+                      ),
                     ),
+                    upperColor: Colors.white,
+                    lowerColor: Colors.black,
+                    width: width * 0.12,
+                    height: height * 0.05,
+                    borderColor: Colors.white,
                   ),
-                )
+                ),
               ],
             ),
           ),

lib/widgets/splash.dart

@@ -1,7 +1,13 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:firebase_dynamic_links/firebase_dynamic_links.dart';
+import 'package:retro_shopping/helpers/slide_route.dart';
+import 'package:retro_shopping/widgets/product/product_page.dart';
+import 'package:firebase_core/firebase_core.dart';
 
 class Splash extends StatefulWidget {
+  final bool initLink;
+  Splash({this.initLink});
   @override
   _SplashState createState() => _SplashState();
 }
@@ -10,16 +16,66 @@ class _SplashState extends State<Splash> {
   @override
   void initState() {
     super.initState();
-    startTime();
+    _initLink();
   }
 
-  Future<Timer> startTime() async {
-    const Duration _duration = Duration(seconds: 3);
-    return Timer(_duration, navigationPage);
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  Future initDynamicLinks() async {
+    final PendingDynamicLinkData data =
+        await FirebaseDynamicLinks.instance.getInitialLink();
+    if (data == null) {
+      Navigator.of(context).pushReplacementNamed('/dashboard');
+    }
+
+    await _handleDeepLink(data);
+
+    // Register a link callback to fire if the app is opened up from the background
+    // using a dynamic link.
+    FirebaseDynamicLinks.instance.onLink(
+        onSuccess: (PendingDynamicLinkData dynamicLink) async {
+      // handle link that has been retrieved
+      await _handleDeepLink(dynamicLink);
+    }, onError: (OnLinkErrorException e) async {
+      print('Link Failed: ${e.message}');
+    });
+  }
+
+  Future<void> _handleDeepLink(PendingDynamicLinkData data) async {
+    final Uri deepLink = data?.link;
+    if (deepLink != null) {
+      if (deepLink.queryParameters['isProduct'] == 'true') {
+        Navigator.of(context).pushReplacementNamed('/dashboard');
+        Navigator.push(
+            context,
+            MaterialPageRoute(
+                builder: (BuildContext context) => ProductPage(
+                      text: deepLink.queryParameters['text'],
+                      owner: deepLink.queryParameters['owner'],
+                      image: deepLink.queryParameters['image'],
+                      prodHeight:
+                          int.tryParse(deepLink.queryParameters['height']),
+                      seller: deepLink.queryParameters['seller'],
+                      amount: deepLink.queryParameters['amount'],
+                    )));
+      }
+    }
   }
 
-  void navigationPage() {
-    Navigator.of(context).pushReplacementNamed('/dashboard');
+  _initLink() async {
+    Future.delayed(
+      Duration(milliseconds: 300),
+      () async {
+        if (widget.initLink)
+          await initDynamicLinks();
+        else {
+          Navigator.of(context).pushReplacementNamed('/dashboard');
+        }
+      },
+    );
   }
 
   @override

pubspec.yaml

@@ -29,13 +29,17 @@ dependencies:
   adobe_xd: ^1.1.0+1
   cupertino_icons: ^0.1.3
   fluttertoast: ^7.1.8
-  firebase_core: ^1.0.0
+  firebase_dynamic_links: ^0.6.3
+  esys_flutter_share: ^1.0.2
+
+
+  firebase_core: ^0.5.3
   google_fonts: ^1.1.0
   razorpay_flutter: 1.1.0
 
 
 dependency_overrides: 
-  flutter_svg: ^0.20.0-nullsafety.3
+  flutter_svg: 0.19.3
 
 dev_dependencies:
   flutter_test: