ActivityManager.cpp revision a80b438bf7a8741f1f8215eba896eb20640896f7 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <binder/IActivityManager.h>
18#include <binder/IBinder.h>
19#include <binder/IServiceManager.h>
20
21#include "ActivityManager.h"
22
23namespace android {
24
25// Perform ContentProvider.openFile() on the given URI, returning
26// the resulting native file descriptor.  Returns < 0 on error.
27int openContentProviderFile(const String16& uri)
28{
29    int fd = -1;
30
31    sp<IServiceManager> sm = defaultServiceManager();
32    sp<IBinder> binder = sm->getService(String16("activity"));
33    sp<IActivityManager> am = interface_cast<IActivityManager>(binder);
34    if (am != NULL) {
35        fd = am->openContentUri(uri);
36    }
37
38    return fd;
39}
40
41} /* namespace android */
42