apply plugin: 'com.android.application' android { compileSdkVersion 27 buildToolsVersion '27.0.3' useLibrary 'org.apache.http.legacy' defaultConfig { applicationId "com.example.xub3.speakerlocator" minSdkVersion 15 targetSdkVersion 22 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') compile 'com.nanohttpd:nanohttpd-webserver:2.1.0' testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.3.0' compile 'com.android.support:design:23.3.0' compile files('Libs/indoor-positioning-1.1.jar') compile 'com.google.android.gms:play-services-appindexing:8.1.0' implementation files('Libs/indoor-positioning-1.1.jar') }