depencies in build.gradle

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    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'

    //Twitter API
    api 'com.twitter.sdk.android:twitter:3.1.1'
    implementation 'com.android.support:recyclerview-v7:28.0.0'
    implementation 'com.android.support:support-v4:28.0.0'

    //OkHttp
    implementation 'com.squareup.okhttp3:okhttp:3.9.0'
}