working on emulator

examples/rust-example/android/.gradle/config.properties

@@ -1,2 +1,2 @@
-#Tue Aug 06 06:20:19 CDT 2024
-java.home=/snap/android-studio/161/jbr
+#Sun Sep 15 17:30:36 CDT 2024
+java.home=/usr/local/android-studio/jbr

lightclientservice/app/build.gradle.kts

@@ -1,14 +1,16 @@
+import org.jetbrains.kotlin.cli.jvm.main
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.jetbrains.kotlin.android)
 }
 
 android {
-    namespace = "com.example.lightclientservice"
+    namespace = "com.snphone.lightclientservice"
     compileSdk = 34
 
     defaultConfig {
-        applicationId = "com.example.lightclientservice"
+        applicationId = "com.snphone.lightclientservice"
         minSdk = 24
         targetSdk = 34
         versionCode = 1
@@ -33,13 +35,22 @@ android {
     kotlinOptions {
         jvmTarget = "1.8"
     }
+
+    sourceSets {
+        named("main") {
+            jniLibs.srcDir("src/main/jniLibs/")
+        }
+    }
+
 }
 
 dependencies {
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

lightclientservice/app/src/main/AndroidManifest.xml

@@ -12,10 +12,19 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.LightClientService"
         tools:targetApi="31">
+        <activity
+            android:name="com.snphone.lightclientservice.MainActivity"
+            android:exported="true" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
         <service
             android:name=".BeerusService"
             android:enabled="true"
-            android:exported="true"></service>
+            android:exported="true" />
     </application>
 
 </manifest>

lightclientservice/app/src/main/java/com/snphone/lightclientservice/BeerusClient.java

@@ -2,6 +2,11 @@
 
 public class BeerusClient {
 
+    /**
+     * @param ethExecutionRpc
+     * @param starknetRpc
+     * @return
+     */
     public static native String run(String ethExecutionRpc, String starknetRpc);
 
     static {

lightclientservice/app/src/main/java/com/snphone/lightclientservice/BeerusService.kt

@@ -2,11 +2,68 @@ package com.snphone.lightclientservice
 
 import android.app.Service
 import android.content.Intent
+import android.os.Handler
+import android.os.HandlerThread
 import android.os.IBinder
+import android.os.Looper
+import android.os.Message
+import android.widget.Toast
+import android.os.Process
 
 class BeerusService : Service() {
 
-    override fun onBind(intent: Intent): IBinder {
-        TODO("Return the communication channel to the service.")
+    private var serviceLooper: Looper? = null
+    private var serviceHandler: ServiceHandler? = null
+
+    // this is what receives messages from the thread and dictates what work is done
+    private inner class ServiceHandler(looper: Looper): Handler(looper) {
+        override fun handleMessage(msg: Message) {
+            try {
+                val runResponse = BeerusClient.run("TODO", "TODO")
+                println(runResponse)
+                Thread.sleep(5000)
+            } catch (e: InterruptedException) {
+                Thread.currentThread().interrupt()
+            }
+
+            // stop the service so that we dont stop it in the middle of handling another job
+            stopSelf(msg.arg1)
+        }
+    }
+
+    override fun onCreate() {
+        // Starting up the thread that runs the service. Note that this creates
+        // a seperate thread because the service normally runs in the process's
+        // main thread, which we dont want to block. We also make it background
+        // priority so CPU-intensive work wil not disrupt our UI.
+        HandlerThread("ServiceStartArguments", Process.THREAD_PRIORITY_BACKGROUND).apply {
+            start()
+
+            // getting the HandlerThread's Looper and using it for out Handler
+            serviceLooper = looper
+            serviceHandler = ServiceHandler(looper)
+        }
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        Toast.makeText(this, "service starting", Toast.LENGTH_SHORT).show()
+
+        // For each start request, send a message to start a job and deliver the
+        // start id so we know which request we're stopping when we finish the job
+        serviceHandler?.obtainMessage()?.also { msg ->
+            msg.arg1 = startId
+            serviceHandler?.sendMessage(msg)
+        }
+
+        // if we get killed, after returning from here, restart
+        return START_STICKY
+    }
+
+    override fun onBind(intent: Intent): IBinder? {
+        return null
+    }
+
+    override fun onDestroy() {
+        Toast.makeText(this, "service done", Toast.LENGTH_SHORT).show()
     }
 }

lightclientservice/app/src/main/java/com/snphone/lightclientservice/MainActivity.kt

@@ -0,0 +1,25 @@
+package com.snphone.lightclientservice
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_main)
+
+        val startServiceButton: Button = findViewById(R.id.startServiceButton)
+        startServiceButton.setOnClickListener {
+            println("Attempting to start the service...")
+            // Create an intent to start the service
+            val serviceIntent = Intent(this, BeerusService::class.java)
+            // Start the service
+            startService(serviceIntent)
+            println("service started?")
+        }
+    }
+}

lightclientservice/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.snphone.lightclientservice.MainActivity">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true"
+        >
+
+        <Button
+            android:id="@+id/startServiceButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/start_service"
+            android:layout_centerInParent="true"
+            />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

lightclientservice/app/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">light client service</string>
+    <string name="start_service">Start Service</string>
 </resources>

lightclientservice/gradle/libs.versions.toml

@@ -7,6 +7,8 @@ junitVersion = "1.2.1"
 espressoCore = "3.6.1"
 appcompat = "1.7.0"
 material = "1.12.0"
+activity = "1.9.2"
+constraintlayout = "2.1.4"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -15,6 +17,8 @@ androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "j
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }