feat: React Native 0.79 compatibility and New Architecture support

android/build.gradle

@@ -1,5 +1,4 @@
 buildscript {
-
   // Buildscript is evaluated before everything else so we can't use getExtOrDefault
   def kotlin_version = rootProject.ext.has("kotlinVersion") ? rootProject.ext.get("kotlinVersion") : project.properties["SunmiExternalPrinterReactNative_kotlinVersion"]
 
@@ -9,7 +8,7 @@ buildscript {
   }
 
   dependencies {
-    classpath "com.android.tools.build:gradle:7.2.1"
+    classpath "com.android.tools.build:gradle:8.9.1"
     // noinspection DifferentKotlinGradleVersion
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
   }
@@ -22,9 +21,6 @@ def isNewArchitectureEnabled() {
 apply plugin: "com.android.library"
 apply plugin: "kotlin-android"
 
-
-def appProject = rootProject.allprojects.find { it.plugins.hasPlugin('com.android.application') }
-
 if (isNewArchitectureEnabled()) {
   apply plugin: "com.facebook.react"
 }
@@ -38,13 +34,19 @@ def getExtOrIntegerDefault(name) {
 }
 
 android {
+  namespace "com.sunmiexternalprinter"
   compileSdkVersion getExtOrIntegerDefault("compileSdkVersion")
 
   defaultConfig {
     minSdkVersion getExtOrIntegerDefault("minSdkVersion")
     targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
     buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()
   }
+
+  buildFeatures {
+    buildConfig true
+  }
+
   buildTypes {
     release {
       minifyEnabled false
@@ -56,10 +58,23 @@ android {
   }
 
   compileOptions {
-    sourceCompatibility JavaVersion.VERSION_1_8
-    targetCompatibility JavaVersion.VERSION_1_8
+    sourceCompatibility JavaVersion.VERSION_17
+    targetCompatibility JavaVersion.VERSION_17
   }
 
+  kotlinOptions {
+    jvmTarget = "17"
+  }
+
+  sourceSets {
+    main {
+      if (isNewArchitectureEnabled()) {
+        java.srcDirs += ["build/generated/source/codegen/java"]
+      } else {
+        java.srcDirs += ["src/oldarch/java"]
+      }
+    }
+  }
 }
 
 repositories {
@@ -78,15 +93,12 @@ dependencies {
   // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
   implementation 'com.facebook.react:react-android:+'
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-  implementation 'com.github.DantSu:ESCPOS-ThermalPrinter-Android:3.2.0'
-  implementation 'androidx.core:core:1.7.0'
-  androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+  implementation 'com.github.DantSu:ESCPOS-ThermalPrinter-Android:3.4.0'
+  implementation 'androidx.core:core:1.17.0'
+  androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
   implementation 'com.github.anastaciocintra:escpos-coffee:4.1.0'
-  implementation 'com.izettle:html2bitmap:1.9'
-  implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'
-
-
-
+  implementation 'com.izettle:html2bitmap:1.10'
+  implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3'
 }
 
 if (isNewArchitectureEnabled()) {

android/gradle.properties

@@ -11,10 +11,10 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 #Sat May 27 13:02:33 BST 2023
-SunmiExternalPrinterReactNative_kotlinVersion=1.7.0
-SunmiExternalPrinterReactNative_compileSdkVersion=31
-SunmiExternalPrinterReactNative_targetSdkVersion=31
-SunmiExternalPrinterReactNative_minSdkVersion=21
+SunmiExternalPrinterReactNative_kotlinVersion=2.0.21
+SunmiExternalPrinterReactNative_compileSdkVersion=35
+SunmiExternalPrinterReactNative_targetSdkVersion=35
+SunmiExternalPrinterReactNative_minSdkVersion=28
 SunmiExternalPrinterReactNative_ndkversion=21.4.7075529
 android.useAndroidX=true
 android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Mon Dec 01 21:54:28 WIB 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

android/src/main/java/com/sunmiexternalprinter/SunmiExternalPrinterReactNativeModule.kt

@@ -60,7 +60,7 @@ import kotlinx.coroutines.sync.Semaphore
  * @since 1.0.0
  */
 class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContext) :
-        ReactContextBaseJavaModule(reactContext) {
+        NativeSunmiExternalPrinterSpec(reactContext) {
   /** Current promise for async operations - ensures single operation at a time */
   private var promise: Promise? = null
 
@@ -213,18 +213,26 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
             override fun onServiceLost(p0: NsdServiceInfo?) {}
           }
 
+  // getName() is provided by NativeSunmiExternalPrinterSpec for New Architecture
+  // For Old Architecture, NativeSunmiExternalPrinterSpec extends ReactContextBaseJavaModule
+  // which requires getName() to be overridden
   override fun getName(): String {
     return NAME
   }
 
+  // Property to access ReactApplicationContext in Kotlin style
+  // Works for both Old and New Architecture
+  protected val reactAppContext: ReactApplicationContext
+    get() = reactApplicationContext
+
   /**
    * Acquires the printing semaphore to ensure exclusive access to printing operations. This
    * prevents multiple concurrent print jobs that could interfere with each other.
    *
    * @param promise Promise that resolves when semaphore is acquired
    */
   @ReactMethod
-  fun lockPrintingSemaphore(promise: Promise) {
+  override fun lockPrintingSemaphore(promise: Promise) {
     Thread {
               runBlocking {
                 printingSemaphore.acquire()
@@ -241,7 +249,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves when semaphore is released
    */
   @ReactMethod
-  fun unlockPrintingSemaphore(promise: Promise) {
+  override fun unlockPrintingSemaphore(promise: Promise) {
     Thread {
               runBlocking {
                 printingSemaphore.release()
@@ -260,7 +268,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves with Base64 string or rejects with error
    */
   @ReactMethod
-  fun convertHTMLtoBase64(htmlString: String, width: Int, promise: Promise) {
+  override fun convertHTMLtoBase64(htmlString: String, width: Double, promise: Promise) {
     this.promise = promise
     Thread {
               try {
@@ -276,7 +284,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
                                 .setContext(reactApplicationContext.applicationContext)
                                 .setConfigurator(html2BitmapConfigurator)
                                 .setContent(WebViewContent.html(htmlString))
-                                .setBitmapWidth(width)
+                                .setBitmapWidth(width.toInt())
                                 .build()
                                 .bitmap
                 //        val resizedBitmap = Bitmap.createScaledBitmap(
@@ -288,7 +296,8 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
                 val byteArrayOutputStream = ByteArrayOutputStream()
                 bitmap?.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream)
                 val byteArray = byteArrayOutputStream.toByteArray()
-                val base64String = Base64.encodeToString(byteArray, Base64.DEFAULT)
+                // Use NO_WRAP for single-line output (modern standard, better compatibility)
+                val base64String = Base64.encodeToString(byteArray, Base64.NO_WRAP)
                 promise.resolve(base64String)
               } catch (e: java.lang.Exception) {
                 e.printStackTrace()
@@ -305,7 +314,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @Suppress("DEPRECATION")
   @ReactMethod
-  fun getListofServiceNames(promise: Promise) {
+  override fun getListofServiceNames(promise: Promise) {
     val activityManager: ActivityManager =
             reactApplicationContext.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
     val services: WritableArray = Arguments.createArray()
@@ -326,7 +335,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves on success or rejects on error
    */
   @ReactMethod
-  fun printImageWithTCPRasterBitImageWrapper(
+  override fun printImageWithTCPRasterBitImageWrapper(
           base64Image: String,
           ipAddress: String,
           port: String,
@@ -337,7 +346,8 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
 
     Thread {
               try {
-                val encodedBase64 = Base64.decode(base64Image, Base64.DEFAULT)
+                // Use NO_WRAP to handle base64 strings with or without line breaks
+                val encodedBase64 = Base64.decode(base64Image, Base64.NO_WRAP)
                 val bitmap = BitmapFactory.decodeByteArray(encodedBase64, 0, encodedBase64.size)
                 val scaledBitmap =
                         Bitmap.createScaledBitmap(bitmap, bitmap.width, bitmap.height, true)
@@ -384,7 +394,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves on success or rejects on error
    */
   @ReactMethod
-  fun printImageWithTCPBitImageWrapper(
+  override fun printImageWithTCPBitImageWrapper(
           base64Image: String,
           ipAddress: String,
           port: String,
@@ -395,7 +405,8 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
 
     Thread {
               try {
-                val encodedBase64 = Base64.decode(base64Image, Base64.DEFAULT)
+                // Use NO_WRAP to handle base64 strings with or without line breaks
+                val encodedBase64 = Base64.decode(base64Image, Base64.NO_WRAP)
                 val bitmap = BitmapFactory.decodeByteArray(encodedBase64, 0, encodedBase64.size)
                 val scaledBitmap =
                         Bitmap.createScaledBitmap(bitmap, bitmap.width, bitmap.height, true)
@@ -441,7 +452,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves on success or rejects on error
    */
   @ReactMethod
-  fun printImageWithGraphicsImageWrapper(
+  override fun printImageWithGraphicsImageWrapper(
           base64Image: String,
           ipAddress: String,
           port: String,
@@ -452,7 +463,8 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
 
     Thread {
               try {
-                val encodedBase64 = Base64.decode(base64Image, Base64.DEFAULT)
+                // Use NO_WRAP to handle base64 strings with or without line breaks
+                val encodedBase64 = Base64.decode(base64Image, Base64.NO_WRAP)
                 val bitmap = BitmapFactory.decodeByteArray(encodedBase64, 0, encodedBase64.size)
                 val scaledBitmap =
                         Bitmap.createScaledBitmap(bitmap, bitmap.width, bitmap.height, true)
@@ -494,7 +506,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves when discovery starts or rejects on error
    */
   @ReactMethod
-  fun startDiscovery(promise: Promise) {
+  override fun startDiscovery(promise: Promise) {
     try {
       nsdManager =
               reactApplicationContext.applicationContext.getSystemService(Context.NSD_SERVICE) as
@@ -519,7 +531,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves when drawer command is sent
    */
   @ReactMethod
-  fun openDrawer(ipAddress: String, port: String, promise: Promise) {
+  override fun openDrawer(ipAddress: String, port: String, promise: Promise) {
     this.promise = promise
     Thread {
               try {
@@ -543,7 +555,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves when discovery is stopped
    */
   @ReactMethod
-  fun stopDiscovery(promise: Promise) {
+  override fun stopDiscovery(promise: Promise) {
     try {
       if (nsdManager !== null) {
         nsdManager?.stopServiceDiscovery(discoveryListener)
@@ -700,7 +712,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun scanBLDevice(promise: Promise) {
+  override fun scanBLDevice(promise: Promise) {
     bleScanResults.clear()
     bleScanResultsDataClass.clear()
     Log.d("Size:", "${bleScanResults.size}")
@@ -739,7 +751,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun printImageByBluetooth(
+  override fun printImageByBluetooth(
           address: String,
           base64Image: String,
           cut: String,
@@ -756,7 +768,8 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
                   e.printStackTrace()
                 }
                 escpos = EscPos(stream)
-                val encodedBase64 = Base64.decode(base64Image, Base64.DEFAULT)
+                // Use NO_WRAP to handle base64 strings with or without line breaks
+                val encodedBase64 = Base64.decode(base64Image, Base64.NO_WRAP)
                 val bitmap = BitmapFactory.decodeByteArray(encodedBase64, 0, encodedBase64.size)
                 val scaledBitmap =
                         Bitmap.createScaledBitmap(bitmap, bitmap.width - 40, bitmap.height, true)
@@ -790,7 +803,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun printCutByBluetooth(address: String, addresspromise: Promise) {
+  override fun printCutByBluetooth(address: String, addresspromise: Promise) {
     this.promise = addresspromise
     println("Here Inside the function in android  ")
     Thread {
@@ -829,7 +842,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun closePrinterSocket(promise: Promise) {
+  override fun closePrinterSocket(promise: Promise) {
     try {
       stream!!.closeSocket()
       promise.resolve("Socket close")
@@ -846,7 +859,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun closeTCPPrinterSocket(promise: Promise) {
+  override fun closeTCPPrinterSocket(promise: Promise) {
     if (tcpStream != null) {
       tcpStream!!.closeSocket(promise)
     } else {
@@ -862,7 +875,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("MissingPermission")
   @ReactMethod
-  private fun getPairedDevices(promise: Promise) {
+  override fun getPairedDevices(promise: Promise) {
     try {
       this.promise = promise
       println("Here Inside the function in android  ")
@@ -882,7 +895,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    * @param promise Promise that resolves when drawer command is sent
    */
   @ReactMethod
-  fun openDrawerBluetooth(macAddress: String, promise: Promise) {
+  override fun openDrawerBluetooth(macAddress: String, promise: Promise) {
     this.promise = promise
     Thread {
               try {
@@ -917,7 +930,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("unused", "UnspecifiedRegisterReceiverFlag", "InlinedApi")
   @ReactMethod
-  fun printUSBDevice(
+  override fun printUSBDevice(
           productID: String,
           vendorId: String,
           base64String: String,
@@ -987,7 +1000,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
    */
   @SuppressLint("unused", "UnspecifiedRegisterReceiverFlag", "InlinedApi")
   @ReactMethod
-  fun openDrawerUSB(productID: String, vendorId: String, promise: Promise) {
+  override fun openDrawerUSB(productID: String, vendorId: String, promise: Promise) {
     Thread {
               try {
                 val manager =
@@ -1048,7 +1061,7 @@ class SunmiExternalPrinterReactNativeModule(reactContext: ReactApplicationContex
   @RequiresApi(Build.VERSION_CODES.M)
   @SuppressLint("unused")
   @ReactMethod
-  fun searchUSBDevices(promise: Promise) {
+  override fun searchUSBDevices(promise: Promise) {
     try {
       val manager = reactApplicationContext.getSystemService(Context.USB_SERVICE) as UsbManager
       val deviceList = manager.getDeviceList()