I have written a CordavaPlugin derived class.
public class ShowMap extends CordovaPlugin {
@Override
public boolean execute(String action, JSONArray args,
try as:
Context context=this.cordova.getActivity().getApplicationContext();
//or Context context=cordova.getActivity().getApplicationContext();
Intent intent=new Intent(context,Next_Activity.class);
context.startActivity(intent);
//or cordova.getActivity().startActivity(intent);
and make sure you have registered Next Activity in AndroidManifest.xml