Java tutorial
/* * Copyright (C) 2008 Esmertec AG. Copyright (C) 2008 The Android Open Source * Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package info.guardianproject.otr.app.im.app; import info.guardianproject.otr.OtrAndroidKeyManagerImpl; import info.guardianproject.otr.app.im.IContactList; import info.guardianproject.otr.app.im.IContactListManager; import info.guardianproject.otr.app.im.IImConnection; import info.guardianproject.otr.app.im.R; import info.guardianproject.otr.app.im.engine.ImErrorInfo; import info.guardianproject.otr.app.im.plugin.BrandingResourceIDs; import info.guardianproject.otr.app.im.provider.Imps; import info.guardianproject.util.XmppUriHelper; import java.util.List; import java.util.Map; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.IBinder; import android.os.RemoteException; import android.support.v4.widget.SimpleCursorAdapter; import android.support.v7.app.ActionBarActivity; import android.text.Editable; import android.text.TextUtils; import android.text.TextWatcher; import android.text.util.Rfc822Token; import android.text.util.Rfc822Tokenizer; import android.util.AttributeSet; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.Button; import android.widget.MultiAutoCompleteTextView; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import com.google.zxing.integration.android.IntentIntegrator; import com.google.zxing.integration.android.IntentResult; public class AddContactActivity extends ActionBarActivity { private static final String TAG = "AddContactActivity"; private static final String[] CONTACT_LIST_PROJECTION = { Imps.ContactList._ID, Imps.ContactList.NAME, }; private static final int CONTACT_LIST_NAME_COLUMN = 1; private MultiAutoCompleteTextView mAddressList; private Spinner mListSpinner; Button mInviteButton; Button mScanButton; ImApp mApp; SimpleAlertHandler mHandler; private Cursor mCursorProviders; private long mProviderId, mAccountId; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mApp = (ImApp) getApplication(); mApp.setAppTheme(this); mHandler = new SimpleAlertHandler(this); setContentView(R.layout.add_contact_activity); BrandingResources brandingRes = mApp.getBrandingResource(0); setTitle(brandingRes.getString(BrandingResourceIDs.STRING_ADD_CONTACT_TITLE)); TextView label = (TextView) findViewById(R.id.input_contact_label); label.setText(brandingRes.getString(BrandingResourceIDs.STRING_LABEL_INPUT_CONTACT)); mAddressList = (MultiAutoCompleteTextView) findViewById(R.id.email); mAddressList.setTokenizer(new Rfc822Tokenizer()); mAddressList.addTextChangedListener(mTextWatcher); mListSpinner = (Spinner) findViewById(R.id.choose_list); setupAccountSpinner(); mInviteButton = (Button) findViewById(R.id.invite); mInviteButton.setText(brandingRes.getString(BrandingResourceIDs.STRING_BUTTON_ADD_CONTACT)); mInviteButton.setOnClickListener(mButtonHandler); mInviteButton.setEnabled(false); mScanButton = (Button) findViewById(R.id.scan); mScanButton.setOnClickListener(mScanHandler); Intent intent = getIntent(); String scheme = intent.getScheme(); if (TextUtils.equals(scheme, "xmpp")) { addContactFromUri(intent.getData()); } } @Override protected void onDestroy() { super.onDestroy(); if (mCursorProviders != null && (!mCursorProviders.isClosed())) mCursorProviders.close(); } private void setupAccountSpinner() { final Uri uri = Imps.Provider.CONTENT_URI_WITH_ACCOUNT; mCursorProviders = managedQuery(uri, PROVIDER_PROJECTION, Imps.Provider.CATEGORY + "=?" + " AND " + Imps.Provider.ACTIVE_ACCOUNT_USERNAME + " NOT NULL" /* selection */, new String[] { ImApp.IMPS_CATEGORY } /* selection args */, Imps.Provider.DEFAULT_SORT_ORDER); SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, android.R.layout.simple_spinner_item, mCursorProviders, new String[] { Imps.Provider.ACTIVE_ACCOUNT_USERNAME }, new int[] { android.R.id.text1 }); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); // TODO Something is causing the managedQuery() to return null, use null guard for now if (mCursorProviders != null && mCursorProviders.getCount() > 0) { mCursorProviders.moveToFirst(); mProviderId = mCursorProviders.getLong(PROVIDER_ID_COLUMN); mAccountId = mCursorProviders.getLong(ACTIVE_ACCOUNT_ID_COLUMN); } mListSpinner.setAdapter(adapter); mListSpinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { if (mCursorProviders == null) return; mCursorProviders.moveToPosition(arg2); mProviderId = mCursorProviders.getLong(PROVIDER_ID_COLUMN); mAccountId = mCursorProviders.getLong(ACTIVE_ACCOUNT_ID_COLUMN); } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }); } public class ProviderListItemFactory implements LayoutInflater.Factory { @Override public View onCreateView(String name, Context context, AttributeSet attrs) { if (name != null && name.equals(ProviderListItem.class.getName())) { return new ProviderListItem(context, AddContactActivity.this, null); } return null; } } private int searchInitListPos(Cursor c, String listName) { if (TextUtils.isEmpty(listName)) { return 0; } c.moveToPosition(-1); while (c.moveToNext()) { if (listName.equals(c.getString(CONTACT_LIST_NAME_COLUMN))) { return c.getPosition(); } } return 0; } private String getDomain(long providerId) { //mDefaultDomain = Imps.ProviderSettings.getStringValue(getContentResolver(), mProviderId, // ImpsConfigNames.DEFAULT_DOMAIN); ContentResolver cr = getContentResolver(); Cursor pCursor = cr.query(Imps.ProviderSettings.CONTENT_URI, new String[] { Imps.ProviderSettings.NAME, Imps.ProviderSettings.VALUE }, Imps.ProviderSettings.PROVIDER + "=?", new String[] { Long.toString(providerId) }, null); Imps.ProviderSettings.QueryMap settings = new Imps.ProviderSettings.QueryMap(pCursor, cr, providerId, false /* don't keep updated */, null /* no handler */); String domain = settings.getDomain();//get domain of current user settings.close(); pCursor.close(); return domain; } void inviteBuddies() { Rfc822Token[] recipients = Rfc822Tokenizer.tokenize(mAddressList.getText()); try { IImConnection conn = mApp.getConnection(mProviderId); IContactList list = getContactList(conn); if (list == null) { // Log.e(ImApp.LOG_TAG, "<AddContactActivity> can't find given contact list:" // + getSelectedListName()); finish(); } else { boolean fail = false; String username = null; for (Rfc822Token recipient : recipients) { username = recipient.getAddress(); if (username.indexOf('@') == -1) { username = username + "@" + getDomain(mProviderId); } if (Log.isLoggable(ImApp.LOG_TAG, Log.DEBUG)) { log("addContact:" + username); } int res = list.addContact(username); if (res != ImErrorInfo.NO_ERROR) { fail = true; mHandler.showAlert(R.string.error, ErrorResUtils.getErrorRes(getResources(), res, username)); } } // close the screen if there's no error. if (!fail) { if (username != null) { Intent intent = new Intent(); intent.putExtra(ContactsPickerActivity.EXTRA_RESULT_USERNAME, username); intent.putExtra(ContactsPickerActivity.EXTRA_RESULT_PROVIDER, mProviderId); setResult(RESULT_OK, intent); finish(); } } } } catch (RemoteException ex) { Log.e(ImApp.LOG_TAG, "<AddContactActivity> inviteBuddies: caught " + ex); } } private IContactList getContactList(IImConnection conn) { if (conn == null) { return null; } try { IContactListManager contactListMgr = conn.getContactListManager(); String listName = "";//getSelectedListName(); if (!TextUtils.isEmpty(listName)) { return contactListMgr.getContactList(listName); } else { // Use the default list List<IBinder> lists = contactListMgr.getContactLists(); for (IBinder binder : lists) { IContactList list = IContactList.Stub.asInterface(binder); if (list.isDefault()) { return list; } } // No default list, use the first one as default list if (!lists.isEmpty()) { return IContactList.Stub.asInterface(lists.get(0)); } return null; } } catch (RemoteException e) { // If the service has died, there is no list for now. return null; } } /** private String getSelectedListName() { Cursor c = (Cursor) mListSpinner.getSelectedItem(); return (c == null) ? null : c.getString(CONTACT_LIST_NAME_COLUMN); }*/ private View.OnClickListener mButtonHandler = new View.OnClickListener() { public void onClick(View v) { mApp.callWhenServiceConnected(mHandler, new Runnable() { public void run() { inviteBuddies(); } }); } }; private View.OnClickListener mScanHandler = new View.OnClickListener() { public void onClick(View v) { new IntentIntegrator(AddContactActivity.this).initiateScan(); } }; private TextWatcher mTextWatcher = new TextWatcher() { public void afterTextChanged(Editable s) { mInviteButton.setEnabled(s.length() != 0); } public void beforeTextChanged(CharSequence s, int start, int count, int after) { // noop } public void onTextChanged(CharSequence s, int start, int before, int count) { // noop } }; private static void log(String msg) { Log.d(ImApp.LOG_TAG, "<AddContactActivity> " + msg); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent resultIntent) { if (resultCode == RESULT_OK) { IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, resultIntent); if (scanResult != null) { String qrContents = scanResult.getContents(); if (!TextUtils.isEmpty(qrContents)) addContactFromUri(Uri.parse(qrContents)); } } } /** * Implement {@code xmpp:} URI parsing according to the RFC: http://tools.ietf.org/html/rfc5122 * @param uri the URI to be parsed */ private void addContactFromUri(Uri uri) { Log.i(TAG, "addContactFromUri: " + uri + " scheme: " + uri.getScheme()); Map<String, String> parsedUri = XmppUriHelper.parse(uri); if (!parsedUri.containsKey(XmppUriHelper.KEY_ADDRESS)) { Toast.makeText(this, "error parsing address: " + uri, Toast.LENGTH_LONG).show(); return; } String address = parsedUri.get(XmppUriHelper.KEY_ADDRESS); this.mAddressList.setText(address); this.mInviteButton.setBackgroundColor(R.drawable.btn_green); //store this for future use... ideally the user comes up as verified the first time! String fingerprint = parsedUri.get(XmppUriHelper.KEY_OTR_FINGERPRINT); if (!TextUtils.isEmpty(fingerprint)) { Log.i(TAG, "fingerprint: " + fingerprint); OtrAndroidKeyManagerImpl.getInstance(this).verifyUser(address, fingerprint); } } private static final String[] PROVIDER_PROJECTION = { Imps.Provider._ID, Imps.Provider.NAME, Imps.Provider.FULLNAME, Imps.Provider.CATEGORY, Imps.Provider.ACTIVE_ACCOUNT_ID, Imps.Provider.ACTIVE_ACCOUNT_USERNAME, Imps.Provider.ACTIVE_ACCOUNT_PW, Imps.Provider.ACTIVE_ACCOUNT_LOCKED, Imps.Provider.ACTIVE_ACCOUNT_KEEP_SIGNED_IN, Imps.Provider.ACCOUNT_PRESENCE_STATUS, Imps.Provider.ACCOUNT_CONNECTION_STATUS }; static final int PROVIDER_ID_COLUMN = 0; static final int PROVIDER_NAME_COLUMN = 1; static final int PROVIDER_FULLNAME_COLUMN = 2; static final int PROVIDER_CATEGORY_COLUMN = 3; static final int ACTIVE_ACCOUNT_ID_COLUMN = 4; static final int ACTIVE_ACCOUNT_USERNAME_COLUMN = 5; static final int ACTIVE_ACCOUNT_PW_COLUMN = 6; static final int ACTIVE_ACCOUNT_LOCKED = 7; static final int ACTIVE_ACCOUNT_KEEP_SIGNED_IN = 8; static final int ACCOUNT_PRESENCE_STATUS = 9; static final int ACCOUNT_CONNECTION_STATUS = 10; }