Invalid resource directory navigation

Issue

While adding the navigation directory showing error invalid resource directory.

Process command '~/Android/Sdk/builds-tools/27.0.3/aapt' finished with exit value 1.

build.gradle

apply plugin: 'com.android.application'

apply plugin: 'kotlin-android'

apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.crushcoder.testapp"
        minSdkVersion 15
        targetSdkVersion 27
        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"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
    implementation 'android.arch.lifecycle:extensions:1.1.1'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

I have created navigation file under the directory res/navigation/nav_graph.xml

Solution

Navigation requires use of AAPT2, which is enabled by default on Gradle Plugin 3.0.0 or higher.

As the error you are receiving is coming from aapt, it appears you have disabled aapt2 via the android.enableAapt2=false flag in your gradle.properties. Remove that line to use aapt2.

Answered By - ianhanniballake