feat(android): setup uniffi infra

Cargo.toml

@@ -3,12 +3,14 @@ members  = [
     "./packages/backend/native",
     "./packages/common/native",
     "./packages/frontend/native",
-    "./packages/frontend/native/schema"
+    "./packages/frontend/native/schema",
+    "./packages/frontend/mobile-native",
 ]
 resolver = "2"
 
 [workspace.dependencies]
 affine_common = { path = "./packages/common/native" }
+criterion2    = { version = "2", default-features = false }
 anyhow        = "1"
 chrono        = "0.4"
 dotenv        = "0.15"

packages/frontend/apps/android/App/app/build.gradle

@@ -1,7 +1,7 @@
 apply plugin: 'com.android.application'
 
 android {
-    namespace "app.affine.pro"
+  namespace "app.affine.pro"
     compileSdk rootProject.ext.compileSdkVersion
     defaultConfig {
         applicationId "app.affine.pro"
@@ -22,6 +22,8 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+
+    ndkVersion "28.0.12433566"
 }
 
 repositories {
@@ -40,8 +42,10 @@ dependencies {
     androidTestImplementation "androidx.test.ext:junit:$androidxJunitVersion"
     androidTestImplementation "androidx.test.espresso:espresso-core:$androidxEspressoCoreVersion"
     implementation project(':capacitor-cordova-android-plugins')
+    implementation 'net.java.dev.jna:jna:5.6.0'
 }
 
+apply plugin: 'kotlin-android'
 apply from: 'capacitor.build.gradle'
 
 try {
@@ -52,3 +56,26 @@ try {
 } catch(Exception e) {
     logger.info("google-services.json not found, google-services plugin not applied. Push Notifications won't work")
 }
+
+apply plugin: 'org.mozilla.rust-android-gradle.rust-android'
+
+cargo {
+  module  = "../../../../mobile-native"       // Or whatever directory contains your Cargo.toml
+  libname = "affine_mobile_native"          // Or whatever matches Cargo.toml's [package] name.
+  targets = ["arm64", "darwin-aarch64", "darwin-x86-64"]
+  pythonCommand = "python3.12"
+  targetDirectory = "../../../../../../target"
+}
+
+kotlin {
+  compilerOptions {
+    apiVersion = org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0
+    jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+  }
+}
+
+tasks.whenTaskAdded { task ->
+  if ((task.name == 'javaPreCompileDebug' || task.name == 'javaPreCompileRelease')) {
+    task.dependsOn 'cargoBuild'
+  }
+}

packages/frontend/apps/android/App/app/capacitor.build.gradle

@@ -11,6 +11,7 @@ apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
 dependencies {
 
 
+implementation 'androidx.core:core-ktx:1.15.0'
 }
 
 

packages/frontend/apps/android/App/app/src/main/java/app/affine/pro/MainActivity.kt

@@ -0,0 +1,14 @@
+package app.affine.pro
+
+import android.os.Bundle
+import android.util.Log
+import com.getcapacitor.BridgeActivity
+import uniffi.ffi.hashcashMint;
+
+class MainActivity : BridgeActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        val hashed = hashcashMint("hello")
+        Log.d("MainActivity", "onCreate: $hashed")
+        super.onCreate(savedInstanceState)
+    }
+}