diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..dc3b895
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "java.configuration.updateBuildConfiguration": "interactive"
+}
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index a588f9b..0c3b538 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,15 +2,15 @@ group 'com.sebdeveloper6952.amberflutter.amberflutter'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '2.1.0'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:2.0.0-Beta1"
+        classpath 'com.android.tools.build:gradle:8.7.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -26,19 +26,17 @@ apply plugin: 'kotlin-android'
 apply plugin: 'org.jetbrains.kotlin.android'
 
 android {
-    if (project.android.hasProperty("namespace")) {
-        namespace 'com.sebdeveloper6952.amberflutter.amberflutter'
-    }
+    namespace 'com.sebdeveloper6952.amberflutter.amberflutter'
 
-    compileSdkVersion 33
+    compileSdk 36
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -47,7 +45,7 @@ android {
     }
 
     defaultConfig {
-        minSdkVersion 19
+        minSdk 31
     }
 
     dependencies {
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 41dfb87..19cfad9 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 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-8.9-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index dae4879..6d67f1c 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.sebdeveloper6952.amberflutter.amberflutter">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
   <queries>
     <package android:name="com.greenart7c3.nostrsigner"/>
   </queries>
diff --git a/android/src/main/kotlin/com/sebdeveloper6952/amberflutter/amberflutter/AmberflutterPlugin.kt b/android/src/main/kotlin/com/sebdeveloper6952/amberflutter/amberflutter/AmberflutterPlugin.kt
index c1b360b..dfe3283 100644
--- a/android/src/main/kotlin/com/sebdeveloper6952/amberflutter/amberflutter/AmberflutterPlugin.kt
+++ b/android/src/main/kotlin/com/sebdeveloper6952/amberflutter/amberflutter/AmberflutterPlugin.kt
@@ -38,7 +38,12 @@ class AmberflutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, Plugi
   }
 
   fun isPackageInstalled(context: Context, target: String): Boolean {
-    return context.packageManager.getInstalledApplications(0).find { info -> info.packageName == target } != null
+    return try {
+      context.packageManager.getPackageInfo(target, 0)
+      true
+    } catch (e: Exception) {
+      false
+    }
   }
 
   override fun onMethodCall(call: MethodCall, result: Result) {
@@ -68,7 +73,7 @@ class AmberflutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, Plugi
        _context.contentResolver,
      )
      if (!data.isNullOrEmpty()) {
-       Log.d("onMethodCall", "content resolver got data")
+       Log.d("onMethodCall", "content resolver got $data")
        _result.success(data)
        return
      }
@@ -102,6 +107,8 @@ class AmberflutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, Plugi
         var packageName: String? = paramsMap["packageName"] as? String ?: return
         val isInstalled: Boolean = isPackageInstalled(_context, packageName!!)
         result.success(isInstalled);
+    } else if (call.method == "getPlatformVersion") {
+      result.success("Android " + android.os.Build.VERSION.RELEASE)
     } else {
       result.notImplemented()
     }
@@ -191,7 +198,7 @@ class AmberflutterPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, Plugi
             val eventJson = it.getString(indexJson)
             dataMap["event"] = eventJson
           }
-
+          Log.d("getDataFromResolver", "dataMap: $dataMap")
           return dataMap
         }
       }
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index ca9b314..73d6561 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id "com.android.application"
-    id "kotlin-android"
+    id "org.jetbrains.kotlin.android"
     id "dev.flutter.flutter-gradle-plugin"
 }
 
@@ -24,16 +24,16 @@ if (flutterVersionName == null) {
 
 android {
     namespace "com.sebdeveloper6952.amberflutter.amberflutter_example"
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdk 36
     ndkVersion flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -45,8 +45,8 @@ android {
         applicationId "com.sebdeveloper6952.amberflutter.amberflutter_example"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
-        targetSdkVersion flutter.targetSdkVersion
+        minSdk 31
+        targetSdk 36
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
diff --git a/example/android/build.gradle b/example/android/build.gradle
index e83fb5d..bc157bd 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,15 +1,3 @@
-buildscript {
-    ext.kotlin_version = '1.7.10'
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
 allprojects {
     repositories {
         google()
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index 3c472b9..19cfad9 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
index 7cd7128..cf1496b 100644
--- a/example/android/settings.gradle
+++ b/example/android/settings.gradle
@@ -23,7 +23,8 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "7.3.0" apply false
+    id "com.android.application" version "8.7.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
 }
 
 include ":app"
diff --git a/example/pubspec.lock b/example/pubspec.lock
index b28cb3e..ec73181 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -7,15 +7,15 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.2"
+    version: "0.0.8"
   async:
     dependency: transitive
     description:
       name: async
-      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      sha256: "758e6d74e971c3e5aceb4110bfd6698efc7f501675bcfe0c775459a8140750eb"
       url: "https://pub.dev"
     source: hosted
-    version: "2.11.0"
+    version: "2.13.0"
   base58check:
     dependency: transitive
     description:
@@ -60,58 +60,58 @@ packages:
     dependency: transitive
     description:
       name: boolean_selector
-      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
       url: "https://pub.dev"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.1"
   convert:
     dependency: transitive
     description:
       name: convert
-      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.7"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d
+      sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.6"
+    version: "1.0.8"
   dart_nostr:
     dependency: "direct main"
     description:
@@ -124,26 +124,26 @@ packages:
     dependency: transitive
     description:
       name: equatable
-      sha256: c2b87cb7756efdf69892005af546c56c0b5037f54d2a88269b4f347a505e3ca2
+      sha256: "3e0141505477fd8ad55d6eb4e7776d3fe8430be8e497ccb1521370c3f21a3e2b"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.5"
+    version: "2.0.8"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.3"
   file:
     dependency: transitive
     description:
       name: file
-      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.4"
+    version: "7.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -192,10 +192,10 @@ packages:
     dependency: transitive
     description:
       name: http_parser
-      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.2"
+    version: "4.1.2"
   integration_test:
     dependency: "direct dev"
     description: flutter
@@ -205,10 +205,34 @@ packages:
     dependency: transitive
     description:
       name: js
-      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      sha256: "53385261521cc4a0c4658fd0ad07a7d14591cf8fc33abbceae306ddb974888dc"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.7"
+    version: "0.7.2"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.2"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.10"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -221,26 +245,26 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16"
+    version: "0.12.17"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: a6e590c838b18133bb482a2745ad77c5bb7715fb0451209e1a7567d416678b8e
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.17.0"
   nostr:
     dependency: "direct main"
     description:
@@ -253,79 +277,79 @@ packages:
     dependency: transitive
     description:
       name: path
-      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.3"
+    version: "1.9.1"
   platform:
     dependency: transitive
     description:
       name: platform
-      sha256: ae68c7bfcd7383af3629daafb32fb4e8681c7154428da4febcff06200585f102
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.6"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      sha256: f4f88d4a900933e7267e2b353594774fc0d07fb072b47eedcd5b54e1ea3269f8
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.7"
+    version: "2.1.8"
   pointycastle:
     dependency: transitive
     description:
       name: pointycastle
-      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      sha256: "4be0097fcf3fd3e8449e53730c631200ebc7b88016acecab2b0da2f0149222fe"
       url: "https://pub.dev"
     source: hosted
-    version: "3.7.3"
+    version: "3.9.1"
   process:
     dependency: transitive
     description:
       name: process
-      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      sha256: c6248e4526673988586e8c00bb22a49210c258dc91df5227d5da9748ecf79744
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.4"
+    version: "5.0.5"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.10.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.1"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.4.1"
   sync_http:
     dependency: transitive
     description:
@@ -338,58 +362,50 @@ packages:
     dependency: transitive
     description:
       name: term_glyph
-      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.7"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.2"
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      sha256: c538be99af830f478718b51630ec1b6bee5e74e52c8a802d328d9e71d35d2583
+      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
       url: "https://pub.dev"
     source: hosted
-    version: "11.10.0"
-  web:
-    dependency: transitive
-    description:
-      name: web
-      sha256: afe077240a270dcfd2aafe77602b4113645af95d0ad31128cc02bce5ac5d5152
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.0"
+    version: "15.0.2"
   webdriver:
     dependency: transitive
     description:
       name: webdriver
-      sha256: "3c923e918918feeb90c4c9fdf1fe39220fa4c0e8e2c0fffaded174498ef86c49"
+      sha256: "2f3a14ca026957870cfd9c635b83507e0e51d8091568e90129fbf805aba7cade"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.1.0"
 sdks:
-  dart: ">=3.2.1 <4.0.0"
-  flutter: ">=3.3.0"
+  dart: ">=3.8.0-0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
diff --git a/lib/amberflutter.dart b/lib/amberflutter.dart
index 71ad477..2c403c0 100644
--- a/lib/amberflutter.dart
+++ b/lib/amberflutter.dart
@@ -28,6 +28,18 @@ class Amberflutter {
     );
   }
 
+  Future<Map<dynamic, dynamic>> signMessage({
+    required String currentUser,
+    required String content,
+    String? id,
+  }) {
+    return AmberflutterPlatform.instance.signMessage(
+      currentUser,
+      content,
+      id,
+    );
+  }
+
   Future<Map<dynamic, dynamic>> nip04Encrypt({
     required String plaintext,
     required String currentUser,
diff --git a/lib/amberflutter_method_channel.dart b/lib/amberflutter_method_channel.dart
index 68db071..d0b1a3e 100644
--- a/lib/amberflutter_method_channel.dart
+++ b/lib/amberflutter_method_channel.dart
@@ -11,13 +11,12 @@ class MethodChannelAmberflutter extends AmberflutterPlatform {
   final methodChannel =
       const MethodChannel('com.sebdeveloper6952.amberflutter');
 
-
   @override
   Future<bool> isAppInstalled() async {
     final data = await methodChannel.invokeMethod<bool>(
       'isAppInstalled',
       {
-      'packageName': 'com.greenart7c3.nostrsigner',
+        'packageName': 'com.greenart7c3.nostrsigner',
       },
     );
 
@@ -65,6 +64,27 @@ class MethodChannelAmberflutter extends AmberflutterPlatform {
     return data ?? {};
   }
 
+  @override
+  Future<Map<dynamic, dynamic>> signMessage(
+    String currentUser,
+    String content,
+    String? id,
+  ) async {
+    final arguments = {
+      "type": "sign_message",
+      "current_user": currentUser,
+      "uri_data": content,
+      "id": id,
+    };
+
+    final data = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
+      'nostrsigner',
+      arguments,
+    );
+
+    return data ?? {};
+  }
+
   @override
   Future<Map<dynamic, dynamic>> nip04Encrypt(
     String plaintext,
diff --git a/lib/amberflutter_platform_interface.dart b/lib/amberflutter_platform_interface.dart
index 2c8d2d6..303fa38 100644
--- a/lib/amberflutter_platform_interface.dart
+++ b/lib/amberflutter_platform_interface.dart
@@ -39,6 +39,14 @@ abstract class AmberflutterPlatform extends PlatformInterface {
     throw UnimplementedError('signEvent() has not been implemented.');
   }
 
+  Future<Map<dynamic, dynamic>> signMessage(
+    String currentUser,
+    String content,
+    String? id,
+  ) {
+    throw UnimplementedError('signMessage() has not been implemented.');
+  }
+
   Future<Map<dynamic, dynamic>> nip04Encrypt(
     String plaintext,
     String currentUser,