Android example source code file (IContentProvider.java)

This example Android source code file (IContentProvider.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, bundle, call_transaction, content, contentproviderresult, contentvalues, cursor, database, delete_transaction, filenotfoundexception, icontentobserver, iinterface, insert_transaction, net, network, open_asset_file_transaction, os, remoteexception, string, uri

The IContentProvider.java Android example source code

/*
 * Copyright (C) 2006 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 android.content;

import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.database.CursorWindow;
import android.database.IBulkCursor;
import android.database.IContentObserver;
import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.os.IInterface;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;

import java.io.FileNotFoundException;
import java.util.ArrayList;

/**
 * The ipc interface to talk to a content provider.
 * @hide
 */
public interface IContentProvider extends IInterface {
    /**
     * @hide - hide this because return type IBulkCursor and parameter
     * IContentObserver are system private classes.
     */
    public IBulkCursor bulkQuery(Uri url, String[] projection,
            String selection, String[] selectionArgs, String sortOrder, IContentObserver observer,
            CursorWindow window) throws RemoteException;
    public Cursor query(Uri url, String[] projection, String selection,
            String[] selectionArgs, String sortOrder) throws RemoteException;
    public String getType(Uri url) throws RemoteException;
    public Uri insert(Uri url, ContentValues initialValues)
            throws RemoteException;
    public int bulkInsert(Uri url, ContentValues[] initialValues) throws RemoteException;
    public int delete(Uri url, String selection, String[] selectionArgs)
            throws RemoteException;
    public int update(Uri url, ContentValues values, String selection,
            String[] selectionArgs) throws RemoteException;
    public ParcelFileDescriptor openFile(Uri url, String mode)
            throws RemoteException, FileNotFoundException;
    public AssetFileDescriptor openAssetFile(Uri url, String mode)
            throws RemoteException, FileNotFoundException;
    public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
            throws RemoteException, OperationApplicationException;
    /**
     * @hide -- until interface has proven itself
     *
     * Call an provider-defined method.  This can be used to implement
     * interfaces that are cheaper than using a Cursor.
     *
     * @param method Method name to call.  Opaque to framework.
     * @param request Nullable String argument passed to method.
     * @param args Nullable Bundle argument passed to method.
     */
    public Bundle call(String method, String request, Bundle args) throws RemoteException;

    /* IPC constants */
    static final String descriptor = "android.content.IContentProvider";

    static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION;
    static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1;
    static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2;
    static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3;
    static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9;
    static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12;
    static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13;
    static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14;
    static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19;
    static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20;
}