Hi, I have a question about Android Studio that has troubled me for some days. I hope you can provide a valid answer for me:

Hi, I have a question about Android Studio that has troubled me for some days. I hope you can provide a valid answer for me:

While I can use the same code to connect to MongoDB in Java with Eclipse successfully, I am not able to use it on Android Studio. My source code is like this:

SecondActivity.java:(onCreate method)