The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
/* * Copyright (C) 2010 The Android开源工程 * * 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 com.example.android.samplesync.Constants; import com.example.android.samplesync.R; import com.example.android.samplesync.client.NetworkUtilities; import android.content.ContentProviderOperation; import android.content.ContentValues; import android.content.Context; import android.net.Uri; import android.provider.ContactsContract; import android.provider.ContactsContract.CommonDataKinds.Email; import android.provider.ContactsContract.CommonDataKinds.GroupMembership; import android.provider.ContactsContract.CommonDataKinds.Phone; import android.provider.ContactsContract.CommonDataKinds.Photo; import android.provider.ContactsContract.CommonDataKinds.StructuredName; import android.provider.ContactsContract.Data; import android.provider.ContactsContract.RawContacts; import android.text.TextUtils; /** * Helper class for storing data in the platform content providers. */ public class ContactOperations { private final ContentValues mValues; private final BatchOperation mBatchOperation; private final Context mContext; private boolean mIsSyncOperation; private long mRawContactId; private int mBackReference; private boolean mIsNewContact; /** * Since we're sending a lot of contact provider operations in a single * batched operation, we want to make sure that we "yield" periodically * so that the Contact Provider can write changes to the DB, and can * open a new transaction. This prevents ANR (application not responding) * errors. The recommended time to specify that a yield is permitted is * with the first operation on a particular contact. So if we're updating * multiple fields for a single contact, we make sure that we call * withYieldAllowed(true) on the first field that we update. We use * mIsYieldAllowed to keep track of what value we should pass to * withYieldAllowed(). */ private boolean mIsYieldAllowed; /** * Returns an instance of ContactOperations instance for adding new contact * to the platform contacts provider. * * @param context the Authenticator Activity context * @param userId the userId of the sample SyncAdapter user object * @param accountName the username for the SyncAdapter account * @param isSyncOperation are we executing this as part of a sync operation? * @return instance of ContactOperations */ public static ContactOperations createNewContact(Context context, long userId, String accountName, boolean isSyncOperation, BatchOperation batchOperation) { return new ContactOperations(context, userId, accountName, isSyncOperation, batchOperation); } /** * Returns an instance of ContactOperations for updating existing contact in * the platform contacts provider. * * @param context the Authenticator Activity context * @param rawContactId the unique Id of the existing rawContact * @param isSyncOperation are we executing this as part of a sync operation? * @return instance of ContactOperations */ public static ContactOperations updateExistingContact(Context context, long rawContactId, boolean isSyncOperation, BatchOperation batchOperation) { return new ContactOperations(context, rawContactId, isSyncOperation, batchOperation); } public ContactOperations(Context context, boolean isSyncOperation, BatchOperation batchOperation) { mValues = new ContentValues(); mIsYieldAllowed = true; mIsSyncOperation = isSyncOperation; mContext = context; mBatchOperation = batchOperation; } public ContactOperations(Context context, long userId, String accountName, boolean isSyncOperation, BatchOperation batchOperation) { this(context, isSyncOperation, batchOperation); mBackReference = mBatchOperation.size(); mIsNewContact = true; mValues.put(RawContacts.SOURCE_ID, userId); mValues.put(RawContacts.ACCOUNT_TYPE, Constants.ACCOUNT_TYPE); mValues.put(RawContacts.ACCOUNT_NAME, accountName); ContentProviderOperation.Builder builder = newInsertCpo(RawContacts.CONTENT_URI, mIsSyncOperation, true).withValues(mValues); mBatchOperation.add(builder.build()); } public ContactOperations(Context context, long rawContactId, boolean isSyncOperation, BatchOperation batchOperation) { this(context, isSyncOperation, batchOperation); mIsNewContact = false; mRawContactId = rawContactId; } /** * Adds a contact name. We can take either a full name ("Bob Smith") or separated * first-name and last-name ("Bob" and "Smith"). * * @param fullName The full name of the contact - typically from an edit form * Can be null if firstName/lastName are specified. * @param firstName The first name of the contact - can be null if fullName * is specified. * @param lastName The last name of the contact - can be null if fullName * is specified. * @return instance of ContactOperations */ public ContactOperations addName(String fullName, String firstName, String lastName) { mValues.clear(); if (!TextUtils.isEmpty(fullName)) { mValues.put(StructuredName.DISPLAY_NAME, fullName); mValues.put(StructuredName.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE); } else { if (!TextUtils.isEmpty(firstName)) { mValues.put(StructuredName.GIVEN_NAME, firstName); mValues.put(StructuredName.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE); } if (!TextUtils.isEmpty(lastName)) { mValues.put(StructuredName.FAMILY_NAME, lastName); mValues.put(StructuredName.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE); } } if (mValues.size() > 0) { addInsertOp(); } return this; } /** * Adds an email * * @param the email address we're adding * @return instance of ContactOperations */ public ContactOperations addEmail(String email) { mValues.clear(); if (!TextUtils.isEmpty(email)) { mValues.put(Email.DATA, email); mValues.put(Email.TYPE, Email.TYPE_OTHER); mValues.put(Email.MIMETYPE, Email.CONTENT_ITEM_TYPE); addInsertOp(); } return this; } /** * Adds a phone number * * @param phone new phone number for the contact * @param phoneType the type: cell, home, etc. * @return instance of ContactOperations */ public ContactOperations addPhone(String phone, int phoneType) { mValues.clear(); if (!TextUtils.isEmpty(phone)) { mValues.put(Phone.NUMBER, phone); mValues.put(Phone.TYPE, phoneType); mValues.put(Phone.MIMETYPE, Phone.CONTENT_ITEM_TYPE); addInsertOp(); } return this; } /** * Adds a group membership * * @param id The id of the group to assign * @return instance of ContactOperations */ public ContactOperations addGroupMembership(long groupId) { mValues.clear(); mValues.put(GroupMembership.GROUP_ROW_ID, groupId); mValues.put(GroupMembership.MIMETYPE, GroupMembership.CONTENT_ITEM_TYPE); addInsertOp(); return this; } public ContactOperations addAvatar(String avatarUrl) { if (avatarUrl != null) { byte[] avatarBuffer = NetworkUtilities.downloadAvatar(avatarUrl); if (avatarBuffer != null) { mValues.clear(); mValues.put(Photo.PHOTO, avatarBuffer); mValues.put(Photo.MIMETYPE, Photo.CONTENT_ITEM_TYPE); addInsertOp(); } } return this; } /** * Adds a profile action * * @param userId the userId of the sample SyncAdapter user object * @return instance of ContactOperations */ public ContactOperations addProfileAction(long userId) { mValues.clear(); if (userId != 0) { mValues.put(SampleSyncAdapterColumns.DATA_PID, userId); mValues.put(SampleSyncAdapterColumns.DATA_SUMMARY, mContext .getString(R.string.profile_action)); mValues.put(SampleSyncAdapterColumns.DATA_DETAIL, mContext .getString(R.string.view_profile)); mValues.put(Data.MIMETYPE, SampleSyncAdapterColumns.MIME_PROFILE); addInsertOp(); } return this; } /** * Updates contact's serverId * * @param serverId the serverId for this contact * @param uri Uri for the existing raw contact to be updated * @return instance of ContactOperations */ public ContactOperations updateServerId(long serverId, Uri uri) { mValues.clear(); mValues.put(RawContacts.SOURCE_ID, serverId); addUpdateOp(uri); return this; } /** * Updates contact's email * * @param email email id of the sample SyncAdapter user * @param uri Uri for the existing raw contact to be updated * @return instance of ContactOperations */ public ContactOperations updateEmail(String email, String existingEmail, Uri uri) { if (!TextUtils.equals(existingEmail, email)) { mValues.clear(); mValues.put(Email.DATA, email); addUpdateOp(uri); } return this; } /** * Updates contact's name. The caller can either provide first-name * and last-name fields or a full-name field. * * @param uri Uri for the existing raw contact to be updated * @param existingFirstName the first name stored in provider * @param existingLastName the last name stored in provider * @param existingFullName the full name stored in provider * @param firstName the new first name to store * @param lastName the new last name to store * @param fullName the new full name to store * @return instance of ContactOperations */ public ContactOperations updateName(Uri uri, String existingFirstName, String existingLastName, String existingFullName, String firstName, String lastName, String fullName) { mValues.clear(); if (TextUtils.isEmpty(fullName)) { if (!TextUtils.equals(existingFirstName, firstName)) { mValues.put(StructuredName.GIVEN_NAME, firstName); } if (!TextUtils.equals(existingLastName, lastName)) { mValues.put(StructuredName.FAMILY_NAME, lastName); } } else { if (!TextUtils.equals(existingFullName, fullName)) { mValues.put(StructuredName.DISPLAY_NAME, fullName); } } if (mValues.size() > 0) { addUpdateOp(uri); } return this; } public ContactOperations updateDirtyFlag(boolean isDirty, Uri uri) { int isDirtyValue = isDirty ? 1 : 0; mValues.clear(); mValues.put(RawContacts.DIRTY, isDirtyValue); addUpdateOp(uri); return this; } /** * Updates contact's phone * * @param existingNumber phone number stored in contacts provider * @param phone new phone number for the contact * @param uri Uri for the existing raw contact to be updated * @return instance of ContactOperations */ public ContactOperations updatePhone(String existingNumber, String phone, Uri uri) { if (!TextUtils.equals(phone, existingNumber)) { mValues.clear(); mValues.put(Phone.NUMBER, phone); addUpdateOp(uri); } return this; } public ContactOperations updateAvatar(String avatarUrl, Uri uri) { if (avatarUrl != null) { byte[] avatarBuffer = NetworkUtilities.downloadAvatar(avatarUrl); if (avatarBuffer != null) { mValues.clear(); mValues.put(Photo.PHOTO, avatarBuffer); mValues.put(Photo.MIMETYPE, Photo.CONTENT_ITEM_TYPE); addUpdateOp(uri); } } return this; } /** * Updates contact's profile action * * @param userId sample SyncAdapter user id * @param uri Uri for the existing raw contact to be updated * @return instance of ContactOperations */ public ContactOperations updateProfileAction(Integer userId, Uri uri) { mValues.clear(); mValues.put(SampleSyncAdapterColumns.DATA_PID, userId); addUpdateOp(uri); return this; } /** * Adds an insert operation into the batch */ private void addInsertOp() { if (!mIsNewContact) { mValues.put(Phone.RAW_CONTACT_ID, mRawContactId); } ContentProviderOperation.Builder builder = newInsertCpo(Data.CONTENT_URI, mIsSyncOperation, mIsYieldAllowed); builder.withValues(mValues); if (mIsNewContact) { builder.withValueBackReference(Data.RAW_CONTACT_ID, mBackReference); } mIsYieldAllowed = false; mBatchOperation.add(builder.build()); } /** * Adds an update operation into the batch */ private void addUpdateOp(Uri uri) { ContentProviderOperation.Builder builder = newUpdateCpo(uri, mIsSyncOperation, mIsYieldAllowed).withValues(mValues); mIsYieldAllowed = false; mBatchOperation.add(builder.build()); } public static ContentProviderOperation.Builder newInsertCpo(Uri uri, boolean isSyncOperation, boolean isYieldAllowed) { return ContentProviderOperation .newInsert(addCallerIsSyncAdapterParameter(uri, isSyncOperation)) .withYieldAllowed(isYieldAllowed); } public static ContentProviderOperation.Builder newUpdateCpo(Uri uri, boolean isSyncOperation, boolean isYieldAllowed) { return ContentProviderOperation .newUpdate(addCallerIsSyncAdapterParameter(uri, isSyncOperation)) .withYieldAllowed(isYieldAllowed); } public static ContentProviderOperation.Builder newDeleteCpo(Uri uri, boolean isSyncOperation, boolean isYieldAllowed) { return ContentProviderOperation .newDelete(addCallerIsSyncAdapterParameter(uri, isSyncOperation)) .withYieldAllowed(isYieldAllowed); } private static Uri addCallerIsSyncAdapterParameter(Uri uri, boolean isSyncOperation) { if (isSyncOperation) { // If we're in the middle of a real sync-adapter operation, then go ahead // and tell the Contacts provider that we're the sync adapter. That // gives us some special permissions - like the ability to really // delete a contact, and the ability to clear the dirty flag. // // If we're not in the middle of a sync operation (for example, we just // locally created/edited a new contact), then we don't want to use // the special permissions, and the system will automagically mark // the contact as 'dirty' for us! return uri.buildUpon() .appendQueryParameter(ContactsContract.CALLER_IS_SYNCADAPTER, "true") .build(); } return uri; } }