Android/開発環境/AndroidStudio/2.3から3.0へ

ライブラリ読み込みについて

dependencies {
   compile project(':mylibrary')
}

から

dependencies {
   implementation project(':mylibrary')
}

へ

参考：https://qiita.com/eaglesakura/items/133aa7130dea81c9fc1e

com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for detailsエラーが出る場合

プロジェクト直下のgradle.propertiesに以下記述するとAapt2Exceptionエラーが消える

android.enableAapt2=false

参考：http://fs4beta.website/android_studio_aapt2/

AndroidStudio-3.1.3のbuild.gradle

プロジェクト直下のbuild.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'
        

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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

app/build.gradle

apply plugin: 'com.android.application'
android {
   compileSdkVersion 28
   defaultConfig {
       applicationId "jp.co.geniee.myapplicationp2.myapplicationp2"
       minSdkVersion 15
       targetSdkVersion 28
       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-v7:28.0.0-rc01'
   implementation 'com.android.support.constraint:constraint-layout:1.1.2'
   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'
}