通过FB为iOS将视频分享给facebook

Question

我在应用程序中创建了一个视频。我想通过Facebook原生SDK将这个视频分享给用户的facebook墙。我可以让视频共享工作，但没有预览/共享对话框显示给用户在分享之前。视频直接张贴到用户的墙上。下面是打开活动会话的代码

[FBSession openActiveSessionWithPublishPermissions:permissions defaultAudience:FBSessionDefaultAudienceOnlyMe allowLoginUI:YES completionHandler:^(FBSession *session, FBSessionState status, NSError *error){}

一旦我激活了会话，我就调用下面的方法来共享视频

- (void)sendVideoFeedRequestWithParams:(NSMutableDictionary *)params
{
// create the connection object
FBRequestConnection *newConnection = [[FBRequestConnection alloc] init];

// create a handler block to handle the results of the request
FBRequestHandler handler =
^(FBRequestConnection *connection, id result, NSError *error) {
    // output the results of the request
    [self requestCompleted:connection result:result error:error];
};

// create the request object, using the /me as the graph path
FBRequest *request = [[FBRequest alloc] initWithSession:FBSession.activeSession graphPath:@"me/videos" parameters:params HTTPMethod:@"POST"];

// add the request to the connection object, if more than one request is added
// the connection object will compose the requests as a batch request; whether or
// not the request is a batch or a singleton, the handler behavior is the same,
// allowing the application to be dynamic in regards to whether a single or multiple
// requests are occuring
[newConnection addRequest:request completionHandler:handler];

// if there's an outstanding connection, just cancel
[self.requestConnection cancel];

// keep track of our connection, and start it
self.requestConnection = newConnection;
[newConnection start];

}

我要发送给这个方法的params是：

NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                               videoData, @"video.mov",
                               @"video/quicktime", @"contentType",
                               @"Video Test Title", @"title",
                               @"Video Test Description", @"description",
                               nil];

就发布视频而言，这是很好的。但是，我希望显示一个共享/预览对话框。有人知道怎么做吗？

Answer 1

您需要自己创建一些东西，或者在github (或类似的)上搜索现有的解决方案。类似自定义警报视图，您可以在其中允许用户输入文本，有一个缩略图的视频播放时，点击和几个按钮。