migrated to v2

android/app/build.gradle

@@ -26,7 +26,17 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
+    ndkVersion flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -38,9 +48,9 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.nankai.flutter_nearby_connections_example"
-        minSdkVersion 16
-        targetSdkVersion 30
+        applicationId "com.example.flutter_nearby_connections_example"
+         minSdkVersion 23
+        targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         multiDexEnabled true

android/app/src/debug/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.nankai.flutter_nearby_connections_example">
+    package="com.example.flutter_nearby_connections_example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

android/app/src/main/AndroidManifest.xml

@@ -1,18 +1,20 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.nankai.flutter_nearby_connections_example">
+    package="com.example.flutter_nearby_connections_example">
+     <!-- package="com.nankai.flutter_nearby_connections_example"> -->
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
          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. -->
-    <application
-        android:name="io.flutter.app.FlutterApplication"
+  <application
+        android:name="${applicationName}"
         android:label="flutter_nearby_connections_example"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
+            android:exported="true"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">

android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.nankai.flutter_nearby_connections_example">
+    package="com.example.flutter_nearby_connections_example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

android/build.gradle

@@ -1,14 +1,14 @@
 buildscript {
-    ext.kotlin_version = '1.5.10'
+    ext.kotlin_version = '1.8.10'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
-//        classpath 'com.android.tools.build:gradle:3.3.3'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        // classpath 'com.google.gms:google-services:4.3.15'
     }
 }
 

android/gradle.properties

@@ -1,4 +1,3 @@
 org.gradle.jvmargs=-Xmx1536M
-android.enableR8=true
 android.useAndroidX=true
 android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Mon Nov 09 14:57:25 ICT 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip

lib/encyption/rsa.dart

@@ -2,20 +2,19 @@ import 'package:rsa_encrypt/rsa_encrypt.dart';
 import 'package:pointycastle/api.dart' as crypto;
 
 //Future to hold our KeyPair
-Future<crypto.AsymmetricKeyPair> futureKeyPair;
+late Future<crypto.AsymmetricKeyPair> futureKeyPair;
 
 //to store the KeyPair once we get data from our future
-crypto.AsymmetricKeyPair keyPair;
+late crypto.AsymmetricKeyPair keyPair;
 
-Future<crypto.AsymmetricKeyPair<crypto.PublicKey, crypto.PrivateKey>> getKeyPair()
-{
+Future<crypto.AsymmetricKeyPair<crypto.PublicKey, crypto.PrivateKey>>
+    getKeyPair() {
   var helper = RsaKeyHelper();
   return helper.computeRSAKeyPair(helper.getSecureRandom());
 }
 
-void createPair (){
-  futureKeyPair=getKeyPair();
-  futureKeyPair.then((value) => keyPair=value);
-  var x=encodePrivateKeyToPemPKCS1(keyPair.privateKey);
-
-}
+void createPair() {
+  futureKeyPair = getKeyPair();
+  futureKeyPair.then((value) => keyPair = value);
+  //var x=encodePrivateKeyToPemPKCS1(keyPair.privateKey);
+}

lib/main.dart

@@ -1,21 +1,17 @@
-
 import 'package:flutter/material.dart';
-import 'package:p2p/pages/ChatListScreen.dart';
+import 'pages/ChatListScreen.dart';
 import 'pages/Profile.dart';
+
 void main() {
   runApp(MyApp());
 }
 
-
 Route<dynamic> generateRoute(RouteSettings settings) {
-  return MaterialPageRoute(
-      builder: (_) => Profile());
+  return MaterialPageRoute(builder: (_) => Profile());
 }
 
 class MyApp extends StatelessWidget {
-  void initState(){
-
-  }
+  void initState() {}
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -24,5 +20,3 @@ class MyApp extends StatelessWidget {
     );
   }
 }
-
-

lib/pages/ChatListScreen.dart

@@ -58,15 +58,15 @@ class _ChatListScreenState extends State<ChatListScreen> {
         items: [
           BottomNavigationBarItem(
             icon: Icon(Icons.message),
-            title: Text("Chats"),
+            label: "Chats",
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.group_work),
-            title: Text("Available"),
+            label: "Available",
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.account_box),
-            title: Text("Profile"),
+            label: "Profile",
           ),
         ],
       ),

lib/pages/DeviceListScreen.dart

@@ -91,15 +91,15 @@ class _DevicesListScreenState extends State<DevicesListScreen> {
         items: [
           BottomNavigationBarItem(
             icon: Icon(Icons.message),
-            title: Text("Chats"),
+            label: "Chats",
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.group_work),
-            title: Text("Available"),
+            label: "Available",
           ),
           BottomNavigationBarItem(
             icon: Icon(Icons.account_box),
-            title: Text("Profile"),
+            label: "Profile",
           ),
         ],
         currentIndex: _selectedIndex,

pubspec.yaml

@@ -21,6 +21,7 @@ dependencies:
   intl: ^0.17.0
   rsa_encrypt: ^2.0.0
   pointycastle: ^3.0.1
+  p2p_client_dart: ^1.0.4
 
 
 dev_dependencies: