How to connect a network printer over Android?

Question

I want to code an Android app, which will connect to a network printer with a specific IP address, and then make a printing.

For printing I know that I need to write

Answer 1

Just Add This Code After oncreate Method

if (android.os.Build.VERSION.SDK_INT > 9) {
    StrictMode.ThreadPolicy policy = 
        new StrictMode.ThreadPolicy.Builder().permitAll().build();
    StrictMode.setThreadPolicy(policy);
}