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#multiplatform
Title
# multiplatform
n

nestserau

12/17/2018, 8:59 AM
I’ve started working with ktor HttpClient and ran into a couple of issues. First, is that my IDE doesn’t recognize 
HttpClient
and 
runBlocking
, while the code itself compiles perfectly fine. What could be a reason for that?
g

gildor

12/17/2018, 9:02 AM
Looks as IDE issue, try restart + invalidate caches
m

msink

12/17/2018, 9:18 AM
Please post your 
build.gradle
n

nestserau

12/17/2018, 9:27 AM
Copy code
plugins {
    id 'com.android.library'
    id 'kotlin-multiplatform'
    id 'maven-publish'
}

repositories {
    google()
    jcenter()
    mavenCentral()
    maven { url '<http://archiva.example.com:9080/repository/internal>' }
}

group 'com.example.multiplatform'
version '0.4.1'

android {
    compileSdkVersion 28
    defaultConfig {
        minSdkVersion 21
    }
    buildTypes {
        release {
            minifyEnabled true
        }
    }
}

ext.ktor_version = '1.0.+'

kotlin {
    targets {
        final def iosTarget = System.getenv('SDK_NAME')?.startsWith("iphoneos") ? presets.iosArm64 : presets.iosX64
        fromPreset(iosTarget, 'ios') {
            compilations.main.outputKinds('FRAMEWORK')
        }
        fromPreset(presets.android, 'android')
    }
    sourceSets {
        all {
            languageSettings {
                languageVersion = '1.3'
                useExperimentalAnnotation 'kotlin.ExperimentalUnsignedTypes'
            }
        }
        commonMain {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-stdlib-common'
                implementation "io.ktor:ktor-client:$ktor_version"
            }
        }
        commonTest {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-test-common'
                implementation 'org.jetbrains.kotlin:kotlin-test-annotations-common'
            }
        }
        iosMain
        iosTest
    }
}

dependencies {
    androidMainImplementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
    androidMainImplementation "io.ktor:ktor-client-android:$ktor_version"

    androidTestImplementation 'junit:junit:4.12'
    androidTestImplementation 'org.jetbrains.kotlin:kotlin-test'
    androidTestImplementation 'org.jetbrains.kotlin:kotlin-test-junit'
    androidTestImplementation "io.ktor:ktor-client-android:$ktor_version"

    iosMainImplementation "io.ktor:ktor-client-ios:$ktor_version"
}


configurations {
    compileClasspath
}

task packForXCode(type: Sync) {
    final File frameworkDir = new File(buildDir, "xcode-frameworks")
    final String mode = project.findProperty("XCODE_CONFIGURATION")?.toUpperCase() ?: 'DEBUG'

    inputs.property "mode", mode
    dependsOn kotlin.targets.ios.compilations.main.linkTaskName("FRAMEWORK", mode)

    from { kotlin.targets.ios.compilations.main.getBinary("FRAMEWORK", mode).parentFile }
    into frameworkDir

    doLast {
        new File(frameworkDir, 'gradlew').with {
            text = "#!/bin/bash\nexport 'JAVA_HOME=${System.getProperty("java.home")}'\ncd '${rootProject.rootDir}'\n./gradlew \$@\n"
            setExecutable(true)
        }
    }
}

tasks.build.dependsOn packForXCode

task iosTest {
    def device = project.findProperty("iosDevice")?.toString() ?: "iPhone 8"
    dependsOn 'linkTestDebugExecutableIos'
    group = JavaBasePlugin.VERIFICATION_GROUP
    description = "Runs tests for target 'ios' on an iOS simulator"

    doLast {
        def binary = kotlin.targets.ios.compilations.test.getBinary('EXECUTABLE', 'DEBUG')
        exec {
            commandLine 'xcrun', 'simctl', 'spawn', device, binary.absolutePath
        }
    }
}

tasks.check.dependsOn iosTest
If anyone can spot an error that would be awesome.
m

msink

12/17/2018, 9:33 AM
Well, I don't know, looks sane. Maybe 
ext.ktor_version = '1.0.+'
- better use exact version.
n

nestserau

12/17/2018, 9:36 AM
I tried that and then invalidated cache and restarted. Same thing 😞
g

gildor

12/17/2018, 9:36 AM
I don’t think that it somehow related to build.gradle
Some IDE problem
and most probably related to Gradle Metadata
n

nestserau

12/17/2018, 9:37 AM
Yes, actually when I restart it it throws an exception.
g

gildor

12/17/2018, 9:37 AM
try 
io.ktor:ktor-client-jvm
n

nestserau

12/17/2018, 9:42 AM
Maybe that’s the reason, ktor-client-jvm hasn’t been updated for a long time. The latest version is 0.9.0-alpha.
m

msink

12/17/2018, 9:46 AM
And maybe it depend on your Gradle version... But if gradle build passed it should be fine. Strange.
g

gildor

12/17/2018, 9:49 AM
It may be just a problem of Idea with gradle metadata dependencies
runBlocking is actually strange
m

msink

12/17/2018, 9:52 AM
As experiment - if leave only one target - ios or android - it works?
n

nestserau

12/17/2018, 10:05 AM
So I’ve thrown out the 
android
target, invalidated cache and restarted. No change.
It looks like IntelliJ doesn’t understand the structure of the project completely. Although Gradle itself can build the project just fine. That’s a minor problem to me for now.
You won’t believe, but I started working on the project further, and somehow it now recognizes HttpClient, just out of the blue, I didn’t change anything, just was typing in more code.
Aha, now I get it. If I use HttpClient version 1.0.0, then it’s fine. With 1.0.1 it’s red. Problem solved, sort of.
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