package values; import android.content.Context; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import us.keithirwin.tracman.R; /** * A simple {@link Fragment} subclass. * Activities that contain this fragment must implement the * {@link MainFragment.OnMapButtonPressedListener} interface * to handle interaction events. * Use the {@link MainFragment#newInstance} factory method to * create an instance of this fragment. */ public class MainFragment extends Fragment { private static final String USER_NAME = "UserName"; private static final String USER_ID = "UserId"; private String mUserName, mUserId; private OnMapButtonPressedListener mButtonPressedListener; /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * * @param userName Name of the logged-in user. * @param userID ID of the logged-in user. * @return A new instance of fragment MainFragment. */ public static MainFragment newInstance(String userName, String userID) { MainFragment fragment = new MainFragment(); Bundle args = new Bundle(); args.putString(USER_NAME, userName); args.putString(USER_ID, userID); fragment.setArguments(args); return fragment; } public MainFragment() {} @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mUserName = getArguments().getString(USER_NAME); mUserId = getArguments().getString(USER_ID); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_main, container, false); if (mUserName!=null) { TextView tv = (TextView) view.findViewById(R.id.named_welcome); tv.setText(getString(R.string.named_welcome, " "+mUserName)); } view.findViewById(R.id.tracpage_button).setOnClickListener( new View.OnClickListener() { public void onClick(View v) { showMap(); } }); return view; } public void showMap () { if (mButtonPressedListener != null) { mButtonPressedListener.showMap(mUserId); } } @Override public void onAttach(Context context) { super.onAttach(context); if (context instanceof OnMapButtonPressedListener) { mButtonPressedListener = (OnMapButtonPressedListener) context; } else { throw new RuntimeException(context.toString() + " must implement OnFragmentInteractionListener"); } } @Override public void onDetach() { super.onDetach(); mButtonPressedListener = null; } /** * This interface must be implemented by activities that contain this * fragment to allow an interaction in this fragment to be communicated * to the activity and potentially other fragments contained in that * activity. *

* See the Android Training lesson Communicating with Other Fragments for more information. */ public interface OnMapButtonPressedListener { void showMap(String UserId); } }