compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    implementation "io.reactivex.rxjava2:rxjava:2.2.7"
    implementation 'com.squareup.retrofit2:adapter-rxjava2:2.5.0'
    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
    implementation 'com.jakewharton.rxbinding3:rxbinding:3.0.0-alpha2'