Java tutorial
package com.stanzione.licensesmanagement.ui; import android.app.Activity; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ProgressBar; import android.widget.Spinner; import android.widget.Toast; import com.stanzione.licensesmanagement.Operations; import com.stanzione.licensesmanagement.R; import com.stanzione.licensesmanagement.helper.Utils; import com.stanzione.licensesmanagement.model.Company; import com.stanzione.licensesmanagement.model.UserAccess; import java.util.ArrayList; /** * A simple {@link Fragment} subclass. * Activities that contain this fragment must implement the * {@link CreateContactFragment.OnFragmentInteractionListener} interface * to handle interaction events. * Use the {@link CreateContactFragment#newInstance} factory method to * create an instance of this fragment. */ public class CreateContactFragment extends Fragment implements Operations.OperationsCallback { private static final int CODE_LIST_COMPANY = 1; private static final int CODE_CREATE_CONTACT = 2; private static final String ARG_LOGGED_USER = "loggedUser"; private UserAccess loggedUser; private ArrayList<Company> companyArrayList; private static final String TAG = CreateContactFragment.class.getSimpleName(); private EditText contactFirstNameEditText; private EditText contactLastNameEditText; private EditText contactTitleEditText; private EditText contactEmailEditText; private EditText contactTelNumberEditText; private Spinner contactCompanyNameSpinner; private Button saveContactButton; private ProgressBar progressBar; private OnFragmentInteractionListener mListener; public CreateContactFragment() { // Required empty public constructor } /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * * @param loggedUser Parameter 1. * @return A new instance of fragment CreateContactFragment. */ public static CreateContactFragment newInstance(UserAccess loggedUser) { CreateContactFragment fragment = new CreateContactFragment(); Bundle args = new Bundle(); args.putSerializable(ARG_LOGGED_USER, loggedUser); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { loggedUser = (UserAccess) getArguments().getSerializable(ARG_LOGGED_USER); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View view = inflater.inflate(R.layout.fragment_create_contact, container, false); contactFirstNameEditText = (EditText) view.findViewById(R.id.createContactFirstNameEditText); contactLastNameEditText = (EditText) view.findViewById(R.id.createContactLastNameEditText); contactTitleEditText = (EditText) view.findViewById(R.id.createContactTitleEditText); contactEmailEditText = (EditText) view.findViewById(R.id.createContactEmailEditText); contactTelNumberEditText = (EditText) view.findViewById(R.id.createContactTelNumberEditText); contactCompanyNameSpinner = (Spinner) view.findViewById(R.id.createContactCompanyNameSpinner); saveContactButton = (Button) view.findViewById(R.id.createContactSaveButton); progressBar = (ProgressBar) view.findViewById(R.id.progressBar); progressBar.setVisibility(View.INVISIBLE); saveContactButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { saveContact(); } }); return view; } private void saveContact() { String contactFirstName = contactFirstNameEditText.getText().toString(); String contactLastName = contactLastNameEditText.getText().toString(); String contactTitle = contactTitleEditText.getText().toString(); String contactEmail = contactEmailEditText.getText().toString(); String contactTelNumber = contactTelNumberEditText.getText().toString(); int contactCompanyId = companyArrayList.get(contactCompanyNameSpinner.getSelectedItemPosition()).getId(); contactFirstName = contactFirstName.trim(); contactLastName = contactLastName.trim(); contactTitle = contactTitle.trim(); contactEmail = contactEmail.trim(); contactTelNumber = contactTelNumber.trim(); Log.d(TAG, "contactFirstName: " + contactFirstName); Log.d(TAG, "contactLastName: " + contactLastName); Log.d(TAG, "contactTitle: " + contactTitle); Log.d(TAG, "contactEmail: " + contactEmail); Log.d(TAG, "contactTelNumber: " + contactTelNumber); Log.d(TAG, "contactCompanyId: " + contactCompanyId); if (contactFirstName.isEmpty() || contactLastName.isEmpty() || contactTitle.isEmpty() || contactEmail.isEmpty() || contactTelNumber.isEmpty()) { Toast.makeText(getActivity(), "Preencher todos os campos!", Toast.LENGTH_LONG).show(); return; } if (!Utils.isOnline(this.getActivity())) { Toast.makeText(this.getActivity(), "There is no internet connection!", Toast.LENGTH_SHORT).show(); return; } progressBar.setVisibility(View.VISIBLE); Operations ops = new Operations(this, CODE_CREATE_CONTACT); ops.addContact(contactFirstName, contactLastName, contactTitle, contactEmail, contactTelNumber, contactCompanyId, loggedUser.getId()); } @Override public void onStart() { super.onStart(); if (!Utils.isOnline(this.getActivity())) { Toast.makeText(this.getActivity(), "There is no internet connection!", Toast.LENGTH_SHORT).show(); return; } progressBar.setVisibility(View.VISIBLE); Operations ops = new Operations(this, CODE_LIST_COMPANY); ops.getCompanyList(); } @Override public void onAttach(Activity activity) { super.onAttach(activity); /*if (activity instanceof OnFragmentInteractionListener) { mListener = (OnFragmentInteractionListener) activity; } else { throw new RuntimeException(activity.toString() + " must implement OnFragmentInteractionListener"); }*/ } @Override public void onDetach() { super.onDetach(); mListener = null; } @Override public void onOperationSuccess(Object returnObject, int operationCode) { Log.d(TAG, "Operation success!"); if (operationCode == CODE_LIST_COMPANY) { companyArrayList = (ArrayList<Company>) returnObject; ArrayList<String> companyNameArrayList = new ArrayList<String>(); for (int i = 0; i < companyArrayList.size(); i++) { companyNameArrayList.add(companyArrayList.get(i).getName()); } ArrayAdapter<String> companyAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1, companyNameArrayList); companyAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); contactCompanyNameSpinner.setAdapter(companyAdapter); } else if (operationCode == CODE_CREATE_CONTACT) { Toast.makeText(getActivity(), "Contact created successfully!", Toast.LENGTH_LONG).show(); } progressBar.setVisibility(View.INVISIBLE); } @Override public void onOperationFail(Object returnObject, int operationCode) { progressBar.setVisibility(View.INVISIBLE); } @Override public void onOperationError(Object returnObject, int operationCode) { progressBar.setVisibility(View.INVISIBLE); } /** * 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. * <p/> * See the Android Training lesson <a href= * "http://developer.android.com/training/basics/fragments/communicating.html" * >Communicating with Other Fragments</a> for more information. */ public interface OnFragmentInteractionListener { // TODO: Update argument type and name void onFragmentInteraction(Uri uri); } }