Use gitsubmodule instead of flutter dependencies

Author: kongkha

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "engine"]
+	path = engine
+	url = https://github.com/VPNclient/VPNclient-engine

android/build.gradle

@@ -19,7 +19,6 @@ allprojects {
     repositories {
         google()
         mavenCentral()
-        //maven { url 'https://jitpack.io' }
     }
 }
 
@@ -52,8 +51,6 @@ android {
     dependencies {
         testImplementation("org.jetbrains.kotlin:kotlin-test")
         testImplementation("org.mockito:mockito-core:5.0.0")
-        //implementation project(':vpnclient-engine-android')
-        //implementation 'com.github.VPNclient:VPNclient-engine:android-v0.1.1'
     }
 
     testOptions {

android/settings.gradle

@@ -1,12 +1,5 @@
 rootProject.name = 'vpnclient_engine_flutter'
 
-//include ':vpnclient_engine_android'
-//project(':vpnclient_engine_android').projectDir = new File('../../VPNclient_engine_android')
+include ':vpnclient_engine_android'
+project(':vpnclient_engine_android').projectDir = new File('../engine/android')
 
-//def targetPath = new File(settingsDir, '../../VPNclient-engine/android')
-//println "[DEBUG55] Expected project dir: ${targetPath.absolutePath}"
-
-
-//include ':vpnclient-engine-android'
-//project(':vpnclient-engine-android').projectDir = new File('../../../VPNclient-engine/android')
-//project(':vpnclient-engine-android').projectDir = new File('/Users/anton/proj/VPNclient/VPNclient-engine/android')

engine

@@ -341,4 +341,4 @@ packages:
     version: "3.0.4"
 sdks:
   dart: ">=3.7.2 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.29.3"

example/pubspec.lock

@@ -279,4 +279,4 @@ packages:
     version: "1.1.1"
 sdks:
   dart: ">=3.7.2 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.29.3"

pubspec.lock

@@ -19,20 +19,6 @@ dependencies:
   http: ^1.3.0
   flutter_v2ray: ^1.0.10
   rxdart: ^0.28.0
-  #vpnclient_engine_android:
-    #git:
-      #url: https://github.com/VPNclient/VPNclient-engine.git
-      #ref: main
-      #path: android/
-  vpnclient_engine_ios:
-    path: ../VPNclient-engine-ios
-  vpnclient_engine_macos:
-    path: ../VPNclient-engine-ios
-  #vpnclient_engine_windows:
-    #git:
-      #url: https://github.com/VPNclient/VPNclient-engine.git
-      #ref: main
-      #path: windows/
 
 dev_dependencies:
   flutter_test: