Java tutorial
/******************************************************************************* * Copyright (c) 2014 Gerry Healy <nickel_chrome@mac.com> * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Based on DavDroid: * Richard Hirner (bitfire web engineering) * * Contributors: * Gerry Healy <nickel_chrome@mac.com> - Initial implementation ******************************************************************************/ package org.exfio.weavedroid.syncadapter; import java.net.URI; import java.net.URISyntaxException; import org.apache.commons.lang.StringUtils; import android.app.DialogFragment; import android.app.Fragment; import android.app.FragmentTransaction; import android.os.Bundle; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.Button; import android.widget.EditText; import android.widget.Spinner; import android.widget.TextView; import org.exfio.weave.util.URIUtils; import org.exfio.weavedroid.R; public class EnterCredentialsFragment extends Fragment implements TextWatcher { String protocol; TextView textHttpWarning, labelSyncKey; EditText editBaseURL, editUserName, editPassword, editSyncKey; Spinner spnrProtocol; Button btnNext; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.enter_credentials, container, false); // protocol selection spinner textHttpWarning = (TextView) v.findViewById(R.id.http_warning); spnrProtocol = (Spinner) v.findViewById(R.id.select_protocol); spnrProtocol.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { protocol = parent.getAdapter().getItem(position).toString(); textHttpWarning.setVisibility(protocol.equals("https://") ? View.GONE : View.VISIBLE); } @Override public void onNothingSelected(AdapterView<?> parent) { protocol = null; } }); spnrProtocol.setSelection(1); // HTTPS // other input fields editBaseURL = (EditText) v.findViewById(R.id.baseURL); editBaseURL.addTextChangedListener(this); editUserName = (EditText) v.findViewById(R.id.userName); editUserName.addTextChangedListener(this); editPassword = (EditText) v.findViewById(R.id.password); editPassword.addTextChangedListener(this); labelSyncKey = (TextView) v.findViewById(R.id.synckeylabel); editSyncKey = (EditText) v.findViewById(R.id.synckey); editSyncKey.addTextChangedListener(this); // hook into action bar setHasOptionsMenu(true); //TODO - Move synckey to manual configuration fragment labelSyncKey.setVisibility(View.INVISIBLE); editSyncKey.setVisibility(View.INVISIBLE); //Dev environment //spnrProtocol.setSelection(0); //editBaseURL.setText("argent.local:8081"); //editUserName.setText("gerry"); //editPassword.setText("test1234"); //FIXME - Debug only //ownCloud environment spnrProtocol.setSelection(0); editBaseURL.setText("cloud.kaleido.com.au/remote.php/mozilla_sync/"); return v; } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.enter_credentials, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.next: queryServer(); break; default: return false; } return true; } void queryServer() { FragmentTransaction ft = getFragmentManager().beginTransaction(); Bundle args = new Bundle(); String host_path = editBaseURL.getText().toString(); args.putString(QueryServerDialogFragment.EXTRA_BASE_URL, URIUtils.sanitize(protocol + host_path)); args.putString(QueryServerDialogFragment.EXTRA_USER_NAME, editUserName.getText().toString()); args.putString(QueryServerDialogFragment.EXTRA_PASSWORD, editPassword.getText().toString()); args.putString(QueryServerDialogFragment.EXTRA_SYNC_KEY, editSyncKey.getText().toString()); args.putBoolean(QueryServerDialogFragment.EXTRA_AUTH_PREEMPTIVE, true); DialogFragment dialog = new QueryServerDialogFragment(); dialog.setArguments(args); dialog.show(ft, QueryServerDialogFragment.class.getName()); } // input validation @Override public void onPrepareOptionsMenu(Menu menu) { boolean ok = editUserName.getText().length() > 0 && editPassword.getText().length() > 0; // check host name try { URI uri = new URI(URIUtils.sanitize(protocol + editBaseURL.getText().toString())); if (StringUtils.isBlank(uri.getHost())) ok = false; } catch (URISyntaxException e) { ok = false; } MenuItem item = menu.findItem(R.id.next); item.setEnabled(ok); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { getActivity().invalidateOptionsMenu(); } @Override public void afterTextChanged(Editable s) { } }