Day: February 25, 2021

Categories
discuss

An exception occurred applying plugin request [id: ‘com.android.application’] while integration Jetpack Compose

I am trying to implement JetPack Compose using Canary 8 but getting this error every time I try to sync gradle

An exception occurred applying plugin request [id: ‘com.android.application’]

My appbuild.gradle file is below

    plugins {
    id 'com.android.application'
    id 'kotlin-android'
}

android {
    compileSdkVersion 30
    buildToolsVersion "30.0.0"

    defaultConfig {
        applicationId "com.example.myapplication"
        minSdkVersion 21
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '11'
        useIR = true
    }
    buildFeatures {
        compose true
    }
    composeOptions {
        kotlinCompilerExtensionVersion compose_version
        kotlinCompilerVersion '1.4.30'
    }
}
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'
    implementation 'androidx.activity:activity-compose:1.3.0-alpha02'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
}

My build.gradle file is below

buildscript {
    ext {
        compose_version = '1.0.0-beta01'
    }
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.0.0-alpha08'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.30"
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

and this is my gradle-wrapper.properties

distributionBase=GRADLE_USER_HOME
distributionUrl=https://services.gradle.org/distributions/gradle-6.8.2-all.zip
distributionPath=wrapper/dists
zipStorePath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME

Answer

Android Gradle Plugin 7 requires Java 11.

Go to File > Project Structure and change JDK location to Embedded JDK.

Categories
discuss

Two dimensional array passed to new Map fails in typescript

Can’t pass two dimensional array to new Map in Typescript:

 const myArray: string[][] = [['DE', 'Germany'], ['AU', 'Austria']];
 const myMap = new Map(myArray);

Fails to me with TS2769: No overload matches this call. Am I doing something wrong here?

TS Version 3.9.9

Answer

If you dig through the log, you’ll see an error message of

Target requires 2 element(s) but source may have fewer.

The problem is that ['DE', 'Germany'] gets automatically type-widened to string[] – an array of strings, which may have two elements, or one, or zero – but the Map constructor requires such entry arrays to have at least 2 elements. The type information that the number of items in the array is 2 gets lost.

I’d put the array declaration on the same line as the new Map:

const myMap = new Map([['DE', 'Germany'], ['AU', 'Austria']]);

Another option is

const arr: [string, string][] = [['DE', 'Germany'], ['AU', 'Austria']];

to show that the array actually does have 2 items in it.

Also note that you can’t have a variable name start with a number – start it with something else, probably a letter.

Source: stackoverflow
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