JoachimR

import android.app.Activity;
import android.app.ActivityOptions;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Looper;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.v4.app.DialogFragment;

JoachimR

buildscript {
    ...
}

...
android {
    ...
}

dependencies {