KMP sample update

samples/kmp/.gitignore

@@ -7,4 +7,5 @@ captures
 .externalNativeBuild
 .cxx
 local.properties
-xcuserdata
+xcuserdata
+.kotlin

samples/kmp/androidApp/build.gradle.kts

@@ -1,25 +1,23 @@
 plugins {
     id("com.android.application")
     kotlin("android")
+    kotlin("plugin.compose")
 }
 
 android {
     namespace = "com.example.kmpsample.android"
-    compileSdk = 33
+    compileSdk = 35
     defaultConfig {
         applicationId = "com.example.kmpsample.android"
         minSdk = 24
-        targetSdk = 33
+        targetSdk = 35
         versionCode = 1
         versionName = "1.0"
     }
     buildFeatures {
         compose = true
     }
-    composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.12"
-    }
-    packagingOptions {
+    packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }
@@ -30,20 +28,20 @@ android {
         }
     }
     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"
     }
 }
 
 dependencies {
     implementation(project(":shared"))
-    implementation("androidx.compose.ui:ui:1.3.1")
-    implementation("androidx.compose.ui:ui-tooling:1.3.1")
-    implementation("androidx.compose.ui:ui-tooling-preview:1.3.1")
-    implementation("androidx.compose.foundation:foundation:1.3.1")
-    implementation("androidx.compose.material:material:1.3.1")
-    implementation("androidx.activity:activity-compose:1.6.1")
+    implementation("androidx.compose.ui:ui:1.7.5")
+    implementation("androidx.compose.ui:ui-tooling:1.7.5")
+    implementation("androidx.compose.ui:ui-tooling-preview:1.7.5")
+    implementation("androidx.compose.foundation:foundation:1.7.5")
+    implementation("androidx.compose.material:material:1.7.5")
+    implementation("androidx.activity:activity-compose:1.9.3")
 }

samples/kmp/androidApp/src/main/java/com/example/kmpsample/android/MainActivity.kt

@@ -3,11 +3,17 @@ package com.example.kmpsample.android
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material.*
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
 import com.example.kmpsample.Sample
 
 class MainActivity : ComponentActivity() {
@@ -28,7 +34,14 @@ class MainActivity : ComponentActivity() {
 
 @Composable
 fun GreetingView(text: String) {
-    Text(text = text)
+    Column(
+        modifier = Modifier.padding(16.dp),
+        verticalArrangement = Arrangement.Center
+    ) {
+        Text(
+            text = text
+        )
+    }
 }
 
 @Preview

samples/kmp/build.gradle.kts

@@ -1,11 +1,11 @@
 plugins {
-    //trick: for the same plugin versions in all sub-modules
-    id("com.android.application").version("7.4.1").apply(false)
-    id("com.android.library").version("7.4.1").apply(false)
-    kotlin("android").version("1.9.23").apply(false)
-    kotlin("multiplatform").version("1.9.23").apply(false)
+    id("com.android.application").version("8.7.3").apply(false)
+    id("com.android.library").version("8.7.3").apply(false)
+    kotlin("android").version("2.1.0").apply(false)
+    kotlin("plugin.compose").version("2.1.0").apply(false)
+    kotlin("multiplatform").version("2.1.0").apply(false)
 }
 
 tasks.register("clean", Delete::class) {
-    delete(rootProject.buildDir)
+    delete(rootProject.layout.buildDirectory)
 }

samples/kmp/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

samples/kmp/gradlew

@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +82,12 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,22 +134,29 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,11 +201,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

samples/kmp/gradlew.bat

@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
@@ -26,6 +28,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -42,11 +45,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +59,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 

samples/kmp/iosApp/Podfile

@@ -1,5 +1,5 @@
 target 'iosApp' do
   use_frameworks!
-  platform :ios, '14.1'
+  platform :ios, '18'
   pod 'shared', :path => '../shared'
 end

samples/kmp/iosApp/Podfile.lock

@@ -22,10 +22,10 @@ EXTERNAL SOURCES:
     :path: "../shared"
 
 SPEC CHECKSUMS:
-  shared: 973e5c894781ebff8382176ea25326e62f08b171
+  shared: b2f1e46b5dd33f47e8467e5b4aab48df66e69197
   SwiftProtobuf: 59d9ea2eb5f84b509f32d170a65f3348ae758f1e
   TrustWalletCore: 53f09313edb1c010de78314d023c67d2d4654864
 
-PODFILE CHECKSUM: f282da88f39e69507b0a255187c8a6b644477756
+PODFILE CHECKSUM: 81dfb0baa6aaca56ab433de92eef03723c36f7f9
 
-COCOAPODS: 1.11.3
+COCOAPODS: 1.15.2

samples/kmp/shared/build.gradle.kts

@@ -1,4 +1,5 @@
 import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     kotlin("multiplatform")
@@ -7,10 +8,14 @@ plugins {
 }
 
 kotlin {
-    android {
+    jvmToolchain(17)
+
+    androidTarget {
         compilations.all {
-            kotlinOptions {
-                jvmTarget = "1.8"
+            compileTaskProvider.configure {
+                compilerOptions {
+                    jvmTarget.set(JvmTarget.JVM_17)
+                }
             }
         }
     }
@@ -22,7 +27,7 @@ kotlin {
         summary = "Some description for the Shared Module"
         homepage = "Link to the Shared Module homepage"
         version = "1.0"
-        ios.deploymentTarget = "14.1"
+        ios.deploymentTarget = "18"
         dependencies {
             pod("TrustWalletCore", moduleName = "WalletCore")
         }
@@ -87,9 +92,8 @@ kotlin {
 
 android {
     namespace = "com.example.kmpsample"
-    compileSdk = 33
+    compileSdk = 35
     defaultConfig {
         minSdk = 24
-        targetSdk = 33
     }
 }

samples/kmp/shared/shared.podspec

@@ -8,9 +8,24 @@ Pod::Spec.new do |spec|
     spec.summary                  = 'Some description for the Shared Module'
     spec.vendored_frameworks      = 'build/cocoapods/framework/shared.framework'
     spec.libraries                = 'c++'
-    spec.ios.deployment_target = '14.1'
+    spec.ios.deployment_target    = '18'
     spec.dependency 'TrustWalletCore'
 
+    if !Dir.exist?('build/cocoapods/framework/shared.framework') || Dir.empty?('build/cocoapods/framework/shared.framework')
+        raise "
+
+        Kotlin framework 'shared' doesn't exist yet, so a proper Xcode project can't be generated.
+        'pod install' should be executed after running ':generateDummyFramework' Gradle task:
+
+            ./gradlew :shared:generateDummyFramework
+
+        Alternatively, proper pod installation is performed during Gradle sync in the IDE (if Podfile location is set)"
+    end
+
+    spec.xcconfig = {
+        'ENABLE_USER_SCRIPT_SANDBOXING' => 'NO',
+    }
+
     spec.pod_target_xcconfig = {
         'KOTLIN_PROJECT_PATH' => ':shared',
         'PRODUCT_MODULE_NAME' => 'shared',

samples/kmp/shared/src/commonMain/kotlin/com/example/kmpsample/Sample.kt

@@ -1,17 +1,19 @@
 package com.example.kmpsample
-import com.trustwallet.core.*
+
+import com.trustwallet.core.CoinType
+import com.trustwallet.core.HDWallet
 
 class Sample {
     private val platform: Platform = getPlatform()
 
     fun greet(): String {
         var log = "Wallet Core KMP on platform: ${platform.name}!\n\n"
         val wallet = HDWallet(256, "")
-        log += "Created mnemonic: ${wallet.mnemonic}\n"
+        log += "Created mnemonic: ${wallet.mnemonic}\n\n"
         val btcAddress = wallet.getAddressForCoin(CoinType.Bitcoin)
+        log += "Bitcoin address: ${btcAddress}\n\n"
         val ethAddress = wallet.getAddressForCoin(CoinType.Ethereum)
-        log += "Bitcoin address: ${btcAddress}\n"
-        log += "Ethereum address: ${ethAddress}\n"
+        log += "Ethereum address: ${ethAddress}\n\n"
         return log
     }
 }