Merge branch 'java-app'

2022-06-01 17:20:54 -05:00 · 2022-06-01 17:20:54 -05:00 · 9dba1219bc
commit 9dba1219bc
parent cca7f800b5 0cde958cc2
37 changed files with 4462 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -4,3 +4,4 @@ Sample applications using [Ouinet](https://github.com/equalitie/ouinet) library.
 ## Android

 * [Kotlin App](android/kotlin/README.md)
+* [Java App](android/java/README.md)
--- a/android/java/.gitignore
+++ b/android/java/.gitignore
@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
--- a/android/java/README.md
+++ b/android/java/README.md
@ -0,0 +1,193 @@
+# Ouinet's test application in Java
+
+## Prepare your app for using Ouinet
+
+Add Ouinet lib and Relinker to your dependencies list in **app/build.gradle**:
+
+```groovy
+dependencies {
+    ...
+    implementation 'ie.equalit.ouinet:ouinet:1.5.0'
+    implementation 'com.getkeepsafe.relinker:relinker:1.4.4'
+}
+```
+Import Ouinet in your Android activity and create a private variable to hold the client:
+
+```java
+import ie.equalit.ouinet.Ouinet;
+
+public class MainActivity extends AppCompatActivity {
+    private Ouinet ouinet;
+    
+    ...
+}
+```
+
+Import config and setup the Ouinet client:
+
+```java
+import ie.equalit.ouinet.Ouinet;
+
+public class MainActivity extends AppCompatActivity {
+    private Ouinet ouinet;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ...
+        
+        Config config = new Config.ConfigBuilder(this)
+                        .setCacheType("bep5-http")
+                        .build();
+
+        ouinet = new Ouinet(this, config);
+        ouinet.start();
+        
+        ...
+    }
+}
+
+```
+
+## Pass config values to Ouinet during the build process
+
+You can have Ouinet keys and passwords added to the
+client during the building process by Gradle.
+
+You just need to create a `local.properties` file in the root of this project
+and set the values as follows before building the app:
+```groovy
+CACHE_PUB_KEY="YOUR OUINET CACHE PUB KEY"
+INJECTOR_CREDENTIALS="ouinet:YOURINJECTORPASSWORD"
+INJECTOR_TLS_CERT="-----BEGIN CERTIFICATE-----\\n\
+ABCDEFG...\
+\\n-----END CERTIFICATE-----"
+```
+
+Those values should be loaded by Gradle during the build process in **app/build.gradle**:
+```groovy
+...
+
+Properties localProperties = new Properties()
+localProperties.load(rootProject.file('local.properties').newDataInputStream())
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        ...
+        buildConfigField "String", "CACHE_PUB_KEY", localProperties['CACHE_PUB_KEY']
+        buildConfigField "String", "INJECTOR_CREDENTIALS", localProperties['INJECTOR_CREDENTIALS']
+        buildConfigField "String", "INJECTOR_TLS_CERT", localProperties['INJECTOR_TLS_CERT']
+    }
+    ...
+}
+```
+
+and can be referenced after that from Java via `BuildConfig`:
+
+```java
+public class MainActivity extends AppCompatActivity {
+    ...
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ...
+
+        Config config = new Config.ConfigBuilder(this)
+                .setCacheType("bep5-http")
+                .setCacheHttpPubKey(BuildConfig.CACHE_PUB_KEY) //From local.properties
+                .setInjectorCredentials(BuildConfig.INJECTOR_CREDENTIALS)
+                .setInjectorTlsCert(BuildConfig.INJECTOR_TLS_CERT)
+                .build();
+        
+        ...
+    }
+}
+```
+
+## Send an HTTP request through Ouinet
+
+Create a Proxy object pointing to Ouinet's service `127.0.0.1:8077`:
+```java
+Proxy ouinetService= new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 8077));
+```
+
+Pass the Proxy object to your HTTP client (we're using `OKHTTPClient` in this example):
+```java
+OkHttpClient client = new OkHttpClient.Builder().proxy(ouinetService).build();
+```
+
+## Validate Ouinet's TLS cert
+A TLS certificate is automatically generated by Ouinet and used for it's
+interactions with the HTTP clients. You can implement a custom `TrustManager`:
+```java
+private class OuinetTrustManager implements X509TrustManager {
+    ...
+
+    public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+        ...
+    }
+
+    public X509Certificate[] getAcceptedIssuers() {
+        return new X509Certificate[]{(X509Certificate) ca};
+    }
+}
+```
+Then you can load the `X509TrustManager`
+
+```java
+ouinet_dir = config.getOuinetDirectory();
+caInput = new FileInputStream(ouinet_dir + "/ssl-ca-cert.pem");
+CertificateFactory cf = CertificateFactory.getInstance("X.509");
+ouinet_ca = cf.generateCertificate(caInput);
+```
+and add it to your own `KeyChain`:
+
+```java
+KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
+keyStore.load(null, null);
+keyStore.setCertificateEntry("ca", ouinet_ca);
+```
+
+The resulting `TrustManager` can be used by the `OKHttpClient.Builder` to set
+a custom `sslSocketFactory` that verifies only the requests coming from Ouinet:
+
+```java
+OkHttpClient.Builder builder = new OkHttpClient.Builder();
+builder.sslSocketFactory(
+        getSSLSocketFactory(ouinetTrustManager),
+        (X509TrustManager) ouinetTrustManager[0]);
+```
+
+
+
+## Test Ouinet access mechanisms
+During your tests you can easily disable any of the different access methods
+available in Ouinet when the Config object is build:
+
+* Force Origin Access
+```java
+Config config = new Config.ConfigBuilder(this)
+        ...
+    .setDisableProxyAccess(true)
+    .setDisableInjectorAccess(true)
+    .build();
+```
+
+* Force Injector Access
+```java
+Config config = new Config.ConfigBuilder(this)
+        ...
+        .setDisableOriginAccess(true)
+        .setDisableProxyAccess(true)
+        .build();
+```
+
+* Force Proxy Access
+```java
+Config config = new Config.ConfigBuilder(this)
+        ...
+        .setDisableOriginAccess(true)
+        .setDisableInjectorAccess(true)
+        .build();
+```
--- a/android/java/app/.gitignore
+++ b/android/java/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/android/java/app/build.gradle
+++ b/android/java/app/build.gradle
@ -0,0 +1,48 @@
+plugins {
+    id 'com.android.application'
+}
+
+Properties localProperties = new Properties()
+localProperties.load(rootProject.file('local.properties').newDataInputStream())
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "ie.equalit.ouinet_examples.android_java"
+        minSdk 21
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        buildConfigField "String", "CACHE_PUB_KEY", localProperties['CACHE_PUB_KEY']
+        buildConfigField "String", "INJECTOR_CREDENTIALS", localProperties['INJECTOR_CREDENTIALS']
+        buildConfigField "String", "INJECTOR_TLS_CERT", localProperties['INJECTOR_TLS_CERT']
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.6.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'ie.equalit.ouinet:ouinet-arm64-v8a:0.20.0'
+    implementation 'com.getkeepsafe.relinker:relinker:1.4.4'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.3'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}
--- a/android/java/app/proguard-rules.pro
+++ b/android/java/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/android/java/app/src/androidTest/java/ie/equalit/ouinet_examples/android_java/ExampleInstrumentedTest.java
+++ b/android/java/app/src/androidTest/java/ie/equalit/ouinet_examples/android_java/ExampleInstrumentedTest.java
@ -0,0 +1,25 @@
+package ie.equalit.ouinet_examples.android_java;
+
+import android.content.Context;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("ie.equalit.ouinet_examples.android_java", appContext.getPackageName());
+    }
+}
--- a/android/java/app/src/main/AndroidManifest.xml
+++ b/android/java/app/src/main/AndroidManifest.xml
@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="ie.equalit.ouinet_examples.android_java">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/Theme.Javaandroid">
+        <activity
+                android:name=".MainActivity"
+                android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/android/java/app/src/main/assets/cacert.pem
+++ b/android/java/app/src/main/assets/cacert.pem
--- a/android/java/app/src/main/java/ie/equalit/ouinet_examples/android_java/MainActivity.java
+++ b/android/java/app/src/main/java/ie/equalit/ouinet_examples/android_java/MainActivity.java
@ -0,0 +1,207 @@
+package ie.equalit.ouinet_examples.android_java;
+
+import android.util.Log;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+import android.view.View;
+import androidx.appcompat.app.AppCompatActivity;
+import android.os.Bundle;
+import ie.equalit.ouinet.Config;
+import ie.equalit.ouinet.Ouinet;
+import okhttp3.*;
+
+import javax.net.ssl.*;
+import java.io.*;
+import java.net.InetSocketAddress;
+import java.net.Proxy;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.security.KeyManagementException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.util.concurrent.Executors;
+
+public class MainActivity extends AppCompatActivity {
+    private Ouinet ouinet;
+    private String ouinet_dir;
+    private static final String TAG = "OuinetTester";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Config config = new Config.ConfigBuilder(this)
+                .setCacheType("bep5-http")
+                .setTlsCaCertStorePath("file:///android_asset/cacert.pem")
+                .setCacheHttpPubKey(BuildConfig.CACHE_PUB_KEY)
+                .setInjectorCredentials(BuildConfig.INJECTOR_CREDENTIALS)
+                .setInjectorTlsCert(BuildConfig.INJECTOR_TLS_CERT)
+                .setLogLevel(Config.LogLevel.DEBUG)
+                .setListenOnTcp("127.0.0.1:8888")
+                .setFrontEndEp("127.0.0.1:5555")
+                //.setDisableOriginAccess(true)
+                //.setDisableProxyAccess(true)
+                //.setDisableInjectorAccess(true)
+                .build();
+        ouinet_dir = config.getOuinetDirectory();
+
+        ouinet = new Ouinet(this, config);
+        ouinet.start();
+
+        Executors.newFixedThreadPool(1).execute((Runnable) this::updateServiceState);
+    }
+
+    private void updateServiceState() {
+      TextView ouinetState = (TextView) findViewById(R.id.ouinetStatus);
+
+      while(true)
+      {
+          try {
+              Thread.sleep(1000);
+          } catch (InterruptedException e) {
+              e.printStackTrace();
+          }
+
+          String state = ouinet.getState().toString();
+          runOnUiThread(() -> ouinetState.setText("State: " + state));
+      }
+    }
+
+    public void getURL(View view) {
+        EditText editText = (EditText) findViewById(R.id.url);
+        TextView logViewer = (TextView) findViewById(R.id.log_viewer);
+        String url = editText.getText().toString();
+
+        Toast toast = Toast.makeText(this, "Loading: " + url, Toast.LENGTH_SHORT);
+        toast.show();
+
+        OkHttpClient client = getOuinetHttpClient();
+        Request request = new Request.Builder()
+                .url(url)
+                .header("X-Ouinet-Group", getDhtGroup(url))
+                .build();
+
+        client.newCall(request).enqueue(new Callback() {
+            public void onFailure(Call call, IOException e) {
+                e.printStackTrace();
+                logViewer.setText(e.toString());
+            }
+
+            public void onResponse(Call call, Response response) throws IOException {
+                try (ResponseBody responseBody = response.body()) {
+                    Headers responseHeaders = response.headers();
+                    for (int i = 0, size = responseHeaders.size(); i < size; i++) {
+                        System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));
+                    }
+
+                    logViewer.setText(responseHeaders.toString());
+                }
+            }
+        });
+    }
+
+    private String getDhtGroup(String url) {
+        String domain = null;
+        try {
+            domain = new URI(url).getSchemeSpecificPart();
+            domain = domain.replaceAll("^//", "");
+        } catch (URISyntaxException e) {
+            e.printStackTrace();
+        }
+        return domain;
+    }
+
+    private OkHttpClient getOuinetHttpClient() {
+        try {
+            TrustManager[] trustManagers = getOuinetTrustManager();
+
+            OkHttpClient.Builder builder = new OkHttpClient.Builder();
+            builder.sslSocketFactory(
+                    getSSLSocketFactory(trustManagers),
+                    (X509TrustManager) trustManagers[0]);
+
+            // Proxy to ouinet service
+            Proxy ouinetService= new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 8888));
+            builder.proxy(ouinetService);
+            return builder.build();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private SSLSocketFactory getSSLSocketFactory(TrustManager[] trustManagers) throws NoSuchAlgorithmException, KeyManagementException {
+        final SSLContext sslContext = SSLContext.getInstance("TLS");
+        sslContext.init(null, trustManagers, new java.security.SecureRandom());
+        return sslContext.getSocketFactory();
+    }
+
+    private TrustManager[] getOuinetTrustManager() throws NoSuchAlgorithmException, KeyStoreException, CertificateException, IOException {
+        return new TrustManager[]{new OuinetTrustManager()};
+    }
+
+    private class OuinetTrustManager implements X509TrustManager {
+        private X509TrustManager trustManager;
+        private Certificate ca;
+
+        public OuinetTrustManager() throws NoSuchAlgorithmException, KeyStoreException, CertificateException, IOException {
+            TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+            tmf.init(getKeyStore());
+
+            for (TrustManager tm : tmf.getTrustManagers()) {
+                if (tm instanceof X509TrustManager) {
+                    trustManager = (X509TrustManager) tm;
+                    break;
+                }
+            }
+        }
+
+        private KeyStore getKeyStore() throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException {
+            KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
+            keyStore.load(null, null);
+            keyStore.setCertificateEntry("ca", getCertificateAuthority());
+            return keyStore;
+        }
+
+        private Certificate getCertificateAuthority() throws CertificateException {
+            InputStream caInput = null;
+            try {
+                caInput = new FileInputStream(ouinet_dir + "/ssl-ca-cert.pem");
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+            }
+
+            CertificateFactory cf = CertificateFactory.getInstance("X.509");
+            ca = cf.generateCertificate(caInput);
+            return ca;
+        }
+
+        @Override
+        public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+        }
+
+        @Override
+        public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+            for (X509Certificate cert : chain) {
+                Log.d(TAG, "Server Cert Issuer: " + cert.getIssuerDN().getName() + " " + cert.getSubjectDN().getName());
+            }
+            for (X509Certificate cert : trustManager.getAcceptedIssuers()) {
+                Log.d(TAG, "Client Trusted Issuer: " + cert.getIssuerDN().getName());
+            }
+
+            trustManager.checkServerTrusted(chain, authType);
+        }
+
+        @Override
+        public X509Certificate[] getAcceptedIssuers() {
+            return new X509Certificate[]{(X509Certificate) ca};
+        }
+
+    }
+}
--- a/android/java/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/android/java/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@ -0,0 +1,31 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108"
+        android:viewportHeight="108">
+    <path
+            android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:startY="49.59793"
+                    android:startX="42.9492"
+                    android:endY="92.4963"
+                    android:endX="85.84757"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:strokeWidth="1"
+            android:strokeColor="#00000000"/>
+</vector>
--- a/android/java/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/android/java/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#3DDC84"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>
--- a/android/java/app/src/main/res/layout/activity_main.xml
+++ b/android/java/app/src/main/res/layout/activity_main.xml
@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".MainActivity">
+
+    <EditText
+            android:layout_width="321dp"
+            android:layout_height="48dp"
+            android:inputType="textUri"
+            android:ems="10"
+            android:hint="@string/https_example_com"
+            android:minHeight="48dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/header"
+            app:layout_constraintBottom_toTopOf="@+id/buttonGet"
+            android:textAlignment="center"
+            android:importantForAutofill="no"
+            android:autoText="false"
+            android:id="@+id/url"
+            android:text="@string/https_example_com"
+            app:layout_constraintVertical_bias="1.0"/>
+
+    <TextView
+            android:text="@string/ouinet_tester"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" android:id="@+id/header"
+            app:layout_constraintTop_toTopOf="parent" app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent" app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintHorizontal_bias="0.519" app:layout_constraintVertical_bias="0.023"
+            android:textAppearance="@style/TextAppearance.AppCompat.Display1"/>
+
+    <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/buttonGet"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintHorizontal_bias="0.498"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.294"
+            android:text="@string/get"
+            android:clickable="false"
+            android:onClick="getURL"/>
+
+    <TextView
+            android:layout_width="349dp"
+            android:layout_height="429dp"
+            android:id="@+id/log_viewer"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/buttonGet"
+            app:layout_constraintVertical_bias="0.527"/>
+
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/ouinetStatus"
+            app:layout_constraintTop_toTopOf="@+id/header"
+            app:layout_constraintBottom_toBottomOf="@+id/url"
+            app:layout_constraintVertical_bias="0.385"
+            android:textAlignment="center"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            android:textSize="16sp"/>
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/android/java/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/android/java/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/android/java/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/android/java/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/android/java/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/android/java/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/android/java/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/android/java/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/android/java/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/android/java/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/android/java/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/android/java/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/android/java/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/android/java/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/android/java/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/android/java/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/android/java/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/android/java/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/android/java/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/android/java/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/android/java/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/android/java/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/android/java/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/android/java/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/android/java/app/src/main/res/values-night/themes.xml
+++ b/android/java/app/src/main/res/values-night/themes.xml
@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Javaandroid" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/android/java/app/src/main/res/values/colors.xml
+++ b/android/java/app/src/main/res/values/colors.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/android/java/app/src/main/res/values/strings.xml
+++ b/android/java/app/src/main/res/values/strings.xml
@ -0,0 +1,7 @@
+<resources>
+    <string name="app_name">ouitest1</string>
+    <string name="ouinet_tester">Ouinet Tester</string>
+    <string name="fetch">Fetch</string>
+    <string name="https_example_com">https://censorship.no</string>
+    <string name="get">Get</string>
+</resources>
--- a/android/java/app/src/main/res/values/themes.xml
+++ b/android/java/app/src/main/res/values/themes.xml
@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Javaandroid" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/android/java/app/src/test/java/ie/equalit/ouinet_examples/android_java/ExampleUnitTest.java
+++ b/android/java/app/src/test/java/ie/equalit/ouinet_examples/android_java/ExampleUnitTest.java
@ -0,0 +1,17 @@
+package ie.equalit.ouinet_examples.android_java;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
--- a/android/java/build.gradle
+++ b/android/java/build.gradle
@ -0,0 +1,17 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:7.0.0"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
--- a/android/java/gradle.properties
+++ b/android/java/gradle.properties
@ -0,0 +1,19 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
--- a/android/java/gradle/wrapper/gradle-wrapper.jar
+++ b/android/java/gradle/wrapper/gradle-wrapper.jar
--- a/android/java/gradle/wrapper/gradle-wrapper.properties
+++ b/android/java/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
+#Wed Jun 01 14:40:23 CDT 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
--- a/android/java/gradlew
+++ b/android/java/gradlew
@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/android/java/gradlew.bat
+++ b/android/java/gradlew.bat
@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/android/java/settings.gradle
+++ b/android/java/settings.gradle
@ -0,0 +1,10 @@
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        jcenter() // Warning: this repository is going to shut down soon
+    }
+}
+rootProject.name = "java-android"
+include ':app'