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#compose
Title
# compose
j

Jason Inbody

02/21/2021, 9:43 PM
I've just started learning Compose (like an hour ago). I'm trying to create a google map view from the crane demo app (https://github.com/android/compose-samples/blob/23fef0091a7f952516fcbd489c84760892[…]ain/java/androidx/compose/samples/crane/details/MapViewUtils.kt) and I'm trying to take out the mapview section out of the code and put it into my app. I'm getting an import error for LocalContext and LocalLifecycleOwner.
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import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalLifecycleOwner
Not getting much from google were these renamed possibly? Or do i need to add a dep somewhere
k

Kirill Grouchnikov

02/21/2021, 9:45 PM
Which version of Compose are you depending on? There was a recent refactoring (in the last couple of weeks) of a bunch of ambients to local "things"
j

Jason Inbody

02/21/2021, 9:47 PM
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Android Studio Arctic Fox | 2020.3.1 Canary 7
Build #AI-203.7148.57.2031.7136282, built on February 9, 2021
Runtime version: 11.0.8+10-b944.6842174 x86_64
VM: OpenJDK 64-Bit Server VM by N/A
macOS 10.16
GC: G1 Young Generation, G1 Old Generation
Memory: 1280M
Cores: 8
Registry: external.system.auto.import.disabled=true
k

Kirill Grouchnikov

02/21/2021, 9:48 PM
Which version of Compose are you using in your app? In your Gradle build script.
👍 1
j

Jason Inbody

02/21/2021, 9:48 PM
I'm new to compose and not the most experienced with android studio. Will that work or is there somewhere to get the kotlin compose veresion inside canary
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plugins {
    id 'com.android.application'
    id 'kotlin-android'
}

android {
    compileSdkVersion 30
    buildToolsVersion "30.0.3"

    defaultConfig {
        applicationId "fin_aquatic_rentals.fin_aquatic_rentals"
        minSdkVersion 21
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), '<http://proguard-rules.pro|proguard-rules.pro>'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
        useIR = true
    }
    buildFeatures {
        compose true
    }
    composeOptions {
        kotlinCompilerExtensionVersion compose_version
        kotlinCompilerVersion '1.4.21'
    }
}

dependencies {

    implementation 'androidx.core:core-ktx:1.3.2'
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'com.google.android.material:material:1.2.1'
    implementation "androidx.compose.ui:ui:$compose_version"
    implementation "androidx.compose.material:material:$compose_version"
    implementation "androidx.compose.ui:ui-tooling:$compose_version"
    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.0-alpha06'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
}
k

Kirill Grouchnikov

02/21/2021, 9:51 PM
This - 
$compose_version
- what is that version?
j

Jason Inbody

02/21/2021, 9:51 PM
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A newer version of androidx.compose.material:material than 1.0.0-alpha08 is available: 1.0.0-alpha12
ah ok should i update to alpha 12
k

Kirill Grouchnikov

02/21/2021, 9:53 PM
Line 57
j

Jason Inbody

02/21/2021, 9:57 PM
Ok, I dont have a buildSrc Dependencies.kt. I'll go read up on using one and I think once i get the deps properly installed these import errors should be fixed
k

Kirill Grouchnikov

02/21/2021, 9:58 PM
You don't need to go down the 
buildSrc
route for a simple app where you explore things
j

Jason Inbody

02/21/2021, 9:59 PM
well i plan to have this app slowly evolve to replace a cross platform app thats already wrote
is the buildSrc route recommended for compose projects or is the gradle route better?
k

Kirill Grouchnikov

02/21/2021, 10:01 PM
👍 1
It's basically a folder that is treated by Gradle in a "special" way for everything related to build scripts. It's useful once your build logic becomes relatively complex
And you know how some people love their build complexity 🙂
🙂 1
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