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etesync-android/app/src/main/java/at/bitfire/davdroid/syncadapter/LoginEmailFragment.java

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/*
* Copyright (c) 2013 2015 Ricki Hirner (bitfire web engineering).
* 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
*/
package at.bitfire.davdroid.syncadapter;
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.EditText;
import java.net.URI;
import java.net.URISyntaxException;
import at.bitfire.davdroid.R;
public class LoginEmailFragment extends Fragment implements TextWatcher {
protected EditText editEmail, editPassword;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.login_email, container, false);
editEmail = (EditText)v.findViewById(R.id.email_address);
editEmail.addTextChangedListener(this);
editPassword = (EditText)v.findViewById(R.id.password);
editPassword.addTextChangedListener(this);
setHasOptionsMenu(true);
return v;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.only_next, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.next:
FragmentTransaction ft = getFragmentManager().beginTransaction();
Bundle args = new Bundle();
String email = editEmail.getText().toString();
args.putString(QueryServerDialogFragment.EXTRA_BASE_URI, "mailto:" + email);
args.putString(QueryServerDialogFragment.EXTRA_USER_NAME, email);
args.putString(QueryServerDialogFragment.EXTRA_PASSWORD, editPassword.getText().toString());
args.putBoolean(QueryServerDialogFragment.EXTRA_AUTH_PREEMPTIVE, true);
DialogFragment dialog = new QueryServerDialogFragment();
dialog.setArguments(args);
dialog.show(ft, QueryServerDialogFragment.class.getName());
break;
default:
return false;
}
return true;
}
// input validation
@Override
public void onPrepareOptionsMenu(Menu menu) {
boolean emailOk = false,
passwordOk = editPassword.getText().length() > 0;
String email = editEmail.getText().toString();
try {
URI uri = new URI("mailto:" + email);
if (uri.isOpaque()) {
int pos = email.lastIndexOf("@");
if (pos != -1)
emailOk = !email.substring(pos+1).isEmpty();
}
} catch (URISyntaxException e) {
// invalid mailto: URI
}
MenuItem item = menu.findItem(R.id.next);
item.setEnabled(emailOk && passwordOk);
}
@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) {
}
}