add signMessage method

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "java.configuration.updateBuildConfiguration": "interactive"
+}

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 {

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

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>

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
         }
       }

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
     }

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()

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

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"