Android团队提供的示例项目

/* * Copyright (C) 2010 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 com.example.android.samplesync.platform; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.net.Uri; import android.provider.ContactsContract.Data; import android.provider.ContactsContract.RawContacts; import android.provider.ContactsContract.StatusUpdates; import android.provider.ContactsContract.CommonDataKinds.Email; import android.provider.ContactsContract.CommonDataKinds.Im; import android.provider.ContactsContract.CommonDataKinds.Phone; import android.provider.ContactsContract.CommonDataKinds.StructuredName; import android.util.Log; import com.example.android.samplesync.Constants; import com.example.android.samplesync.R; import com.example.android.samplesync.client.User; import java.util.List; /** * Class for managing contacts sync related mOperations */ public class ContactManager { /** * Custom IM protocol used when storing status messages. */ public static final String CUSTOM_IM_PROTOCOL = "SampleSyncAdapter"; private static final String TAG = "ContactManager"; /** * Synchronize raw contacts * * @param context The context of Authenticator Activity * @param account The username for the account * @param users The list of users */ public static synchronized void syncContacts(Context context, String account, List<User> users) { long userId; long rawContactId = 0; final ContentResolver resolver = context.getContentResolver(); final BatchOperation batchOperation = new BatchOperation(context, resolver); Log.d(TAG, "In SyncContacts"); for (final User user : users) { userId = user.getUserId(); // Check to see if the contact needs to be inserted or updated rawContactId = lookupRawContact(resolver, userId); if (rawContactId != 0) { if (!user.isDeleted()) { // update contact updateContact(context, resolver, account, user, rawContactId, batchOperation); } else { // delete contact deleteContact(context, rawContactId, batchOperation); } } else { // add new contact Log.d(TAG, "In addContact"); if (!user.isDeleted()) { addContact(context, account, user, batchOperation); } } // A sync adapter should batch operations on multiple contacts, // because it will make a dramatic performance difference. if (batchOperation.size() >= 50) { batchOperation.execute(); } } batchOperation.execute(); } /** * Add a list of status messages to the contacts provider. * * @param context the context to use * @param accountName the username of the logged in user * @param statuses the list of statuses to store */ public static void insertStatuses(Context context, String username, List<User.Status> list) { final ContentValues values = new ContentValues(); final ContentResolver resolver = context.getContentResolver(); final BatchOperation batchOperation = new BatchOperation(context, resolver); for (final User.Status status : list) { // Look up the user's sample SyncAdapter data row final long userId = status.getUserId(); final long profileId = lookupProfile(resolver, userId); // Insert the activity into the stream if (profileId > 0) { values.put(StatusUpdates.DATA_ID, profileId); values.put(StatusUpdates.STATUS, status.getStatus()); values.put(StatusUpdates.PROTOCOL, Im.PROTOCOL_CUSTOM); values.put(StatusUpdates.CUSTOM_PROTOCOL, CUSTOM_IM_PROTOCOL); values.put(StatusUpdates.IM_ACCOUNT, username); values.put(StatusUpdates.IM_HANDLE, status.getUserId()); values.put(StatusUpdates.STATUS_RES_PACKAGE, context .getPackageName()); values.put(StatusUpdates.STATUS_ICON, R.drawable.icon); values.put(StatusUpdates.STATUS_LABEL, R.string.label); batchOperation .add(ContactOperations.newInsertCpo( StatusUpdates.CONTENT_URI, true).withValues(values) .build()); // A sync adapter should batch operations on multiple contacts, // because it will make a dramatic performance difference. if (batchOperation.size() >= 50) { batchOperation.execute(); } } } batchOperation.execute(); } /** * Adds a single contact to the platform contacts provider. * * @param context the Authenticator Activity context * @param accountName the account the contact belongs to * @param user the sample SyncAdapter User object */ private static void addContact(Context context, String accountName, User user, BatchOperation batchOperation) { // Put the data in the contacts provider final ContactOperations contactOp = ContactOperations.createNewContact(context, user.getUserId(), accountName, batchOperation); contactOp.addName(user.getFirstName(), user.getLastName()).addEmail( user.getEmail()).addPhone(user.getCellPhone(), Phone.TYPE_MOBILE) .addPhone(user.getHomePhone(), Phone.TYPE_OTHER).addProfileAction( user.getUserId()); } /** * Updates a single contact to the platform contacts provider. * * @param context the Authenticator Activity context * @param resolver the ContentResolver to use * @param accountName the account the contact belongs to * @param user the sample SyncAdapter contact object. * @param rawContactId the unique Id for this rawContact in contacts * provider */ private static void updateContact(Context context, ContentResolver resolver, String accountName, User user, long rawContactId, BatchOperation batchOperation) { Uri uri; String cellPhone = null; String otherPhone = null; String email = null; final Cursor c = resolver.query(Data.CONTENT_URI, DataQuery.PROJECTION, DataQuery.SELECTION, new String[] {String.valueOf(rawContactId)}, null); final ContactOperations contactOp = ContactOperations.updateExistingContact(context, rawContactId, batchOperation); try { while (c.moveToNext()) { final long id = c.getLong(DataQuery.COLUMN_ID); final String mimeType = c.getString(DataQuery.COLUMN_MIMETYPE); uri = ContentUris.withAppendedId(Data.CONTENT_URI, id); if (mimeType.equals(StructuredName.CONTENT_ITEM_TYPE)) { final String lastName = c.getString(DataQuery.COLUMN_FAMILY_NAME);