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Android example source code file (ContactManager.java)

This example Android source code file (ContactManager.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, batchoperation, column_data1, column_data2, column_data3, column_id, contactoperations, content, contentresolver, contentvalues, cursor, custom_im_protocol, net, network, projection, selection, string, user, util, utilities

The ContactManager.java Android example source code

/*
 * 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);
                    final String firstName =
                        c.getString(DataQuery.COLUMN_GIVEN_NAME);
                    contactOp.updateName(uri, firstName, lastName, user
                        .getFirstName(), user.getLastName());
                }

                else if (mimeType.equals(Phone.CONTENT_ITEM_TYPE)) {
                    final int type = c.getInt(DataQuery.COLUMN_PHONE_TYPE);

                    if (type == Phone.TYPE_MOBILE) {
                        cellPhone = c.getString(DataQuery.COLUMN_PHONE_NUMBER);
                        contactOp.updatePhone(cellPhone, user.getCellPhone(),
                            uri);
                    } else if (type == Phone.TYPE_OTHER) {
                        otherPhone = c.getString(DataQuery.COLUMN_PHONE_NUMBER);
                        contactOp.updatePhone(otherPhone, user.getHomePhone(),
                            uri);
                    }
                }

                else if (Data.MIMETYPE.equals(Email.CONTENT_ITEM_TYPE)) {
                    email = c.getString(DataQuery.COLUMN_EMAIL_ADDRESS);
                    contactOp.updateEmail(user.getEmail(), email, uri);

                }
            } // while
        } finally {
            c.close();
        }

        // Add the cell phone, if present and not updated above
        if (cellPhone == null) {
            contactOp.addPhone(user.getCellPhone(), Phone.TYPE_MOBILE);
        }

        // Add the other phone, if present and not updated above
        if (otherPhone == null) {
            contactOp.addPhone(user.getHomePhone(), Phone.TYPE_OTHER);
        }

        // Add the email address, if present and not updated above
        if (email == null) {
            contactOp.addEmail(user.getEmail());
        }

    }

    /**
     * Deletes a contact from the platform contacts provider.
     * 
     * @param context the Authenticator Activity context
     * @param rawContactId the unique Id for this rawContact in contacts
     *        provider
     */
    private static void deleteContact(Context context, long rawContactId,
        BatchOperation batchOperation) {
        batchOperation.add(ContactOperations.newDeleteCpo(
            ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId),
            true).build());
    }

    /**
     * Returns the RawContact id for a sample SyncAdapter contact, or 0 if the
     * sample SyncAdapter user isn't found.
     * 
     * @param context the Authenticator Activity context
     * @param userId the sample SyncAdapter user ID to lookup
     * @return the RawContact id, or 0 if not found
     */
    private static long lookupRawContact(ContentResolver resolver, long userId) {
        long authorId = 0;
        final Cursor c =
            resolver.query(RawContacts.CONTENT_URI, UserIdQuery.PROJECTION,
                UserIdQuery.SELECTION, new String[] {String.valueOf(userId)},
                null);
        try {
            if (c.moveToFirst()) {
                authorId = c.getLong(UserIdQuery.COLUMN_ID);
            }
        } finally {
            if (c != null) {
                c.close();
            }
        }
        return authorId;
    }

    /**
     * Returns the Data id for a sample SyncAdapter contact's profile row, or 0
     * if the sample SyncAdapter user isn't found.
     * 
     * @param resolver a content resolver
     * @param userId the sample SyncAdapter user ID to lookup
     * @return the profile Data row id, or 0 if not found
     */
    private static long lookupProfile(ContentResolver resolver, long userId) {
        long profileId = 0;
        final Cursor c =
            resolver.query(Data.CONTENT_URI, ProfileQuery.PROJECTION,
                ProfileQuery.SELECTION, new String[] {String.valueOf(userId)},
                null);
        try {
            if (c != null && c.moveToFirst()) {
                profileId = c.getLong(ProfileQuery.COLUMN_ID);
            }
        } finally {
            if (c != null) {
                c.close();
            }
        }
        return profileId;
    }

    /**
     * Constants for a query to find a contact given a sample SyncAdapter user
     * ID.
     */
    private interface ProfileQuery {
        public final static String[] PROJECTION = new String[] {Data._ID};

        public final static int COLUMN_ID = 0;

        public static final String SELECTION =
            Data.MIMETYPE + "='" + SampleSyncAdapterColumns.MIME_PROFILE
                + "' AND " + SampleSyncAdapterColumns.DATA_PID + "=?";
    }
    /**
     * Constants for a query to find a contact given a sample SyncAdapter user
     * ID.
     */
    private interface UserIdQuery {
        public final static String[] PROJECTION =
            new String[] {RawContacts._ID};

        public final static int COLUMN_ID = 0;

        public static final String SELECTION =
            RawContacts.ACCOUNT_TYPE + "='" + Constants.ACCOUNT_TYPE + "' AND "
                + RawContacts.SOURCE_ID + "=?";
    }

    /**
     * Constants for a query to get contact data for a given rawContactId
     */
    private interface DataQuery {
        public static final String[] PROJECTION =
            new String[] {Data._ID, Data.MIMETYPE, Data.DATA1, Data.DATA2,
                Data.DATA3,};

        public static final int COLUMN_ID = 0;
        public static final int COLUMN_MIMETYPE = 1;
        public static final int COLUMN_DATA1 = 2;
        public static final int COLUMN_DATA2 = 3;
        public static final int COLUMN_DATA3 = 4;
        public static final int COLUMN_PHONE_NUMBER = COLUMN_DATA1;
        public static final int COLUMN_PHONE_TYPE = COLUMN_DATA2;
        public static final int COLUMN_EMAIL_ADDRESS = COLUMN_DATA1;
        public static final int COLUMN_EMAIL_TYPE = COLUMN_DATA2;
        public static final int COLUMN_GIVEN_NAME = COLUMN_DATA2;
        public static final int COLUMN_FAMILY_NAME = COLUMN_DATA3;

        public static final String SELECTION = Data.RAW_CONTACT_ID + "=?";
    }
}

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