apply plugin: 'kotlin-android-extensions'.
When i add this extensions in android studio preview, give me this error "Error:(1, 0) Plugin with id 'kotlin-android-extensions' not found.".
My build gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
buildToolsVersion "26.0.1"
defaultConfig {
applicationId "com.example.mohamed_elbaz.myapplication"
minSdkVersion 15
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.0.2'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}
They are not supported with Java. There are still projects that are written in Java and may not be fully migrated to Kotlin yet, and hence Kotlin Synthetics may not be a consistent way of getting the ViewIds in your project. Because of these issues, Kotlin Synthetics is now being deprecated.
You can check the Kotlin plugin version in Tools | Kotlin | Configure Kotlin Plugin Updates.
The build.gradle snippet you posted looks like the config inside your app module. What does the build.gradle in your project's root directory look like? To add the kotlin plugin dependencies it should look something like this:
buildscript {
ext.kotlin_version = '1.6.10'
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.0-beta6'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
google()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
The important part being the line classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
which adds the kotlin plugins.
To use the plugin, you have to add it in your root build.gradle file
buildscript {
ext.kotlin_version = '1.1.60'
repositories {
jcenter()
maven {
url 'https://maven.google.com'
}
}
dependencies {
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}
In Android Studio we can fix it in following ways:_
Using the plugins Domain Specific Language (DSL) in App Level Graddle:
plugins {
id "org.jetbrains.kotlin.android.extensions" version "1.4.21"
}
That's all to fix it.
But if you're using legacy plugin application, then add the following in App Level Gradle:
buildscript {
repositories {
maven {
url "https://plugins.gradle.org/m2/"
}
}
dependencies {
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.21"
}
}
apply plugin: "org.jetbrains.kotlin.android.extensions"
Hopefully, it'll be helpful!
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