问题描述
|
我有一个应用程序,允许用户使用向下钻取表视图模型从媒体项目列表移动到特定项目。
一旦用户进入详细视图,便会存在另一个表格视图,允许用户选择特定的媒体项目。
我在创建模态媒体播放器以播放.mp4项目时遇到问题。下面的代码是我到目前为止所拥有的。
if (indexPath.section == SectionHeader && indexPath.row == SectionHeaderEnclosure) {
if (item.enclosures) {
for (NSDictionary *dict in item.enclosures){
Nsstring *url = [dict objectForKey:@\"url\"];
NSLog(@\" url is : %@\",url);
//EXPERIMENTAL
MPMoviePlayerController *moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];
// Register to receive a notification when the movie has finished playing.
[[NSNotificationCenter defaultCenter] addobserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayer];
if ([moviePlayer respondsToSelector:@selector(setFullscreen:animated:)]) {
// Use the 3.2 style API
moviePlayer.controlStyle = MPMovieControlStyleDefault;
moviePlayer.shouldAutoplay = YES;
[self.view addSubview:moviePlayer.view];
[moviePlayer setFullscreen:YES animated:YES];
} else {
// Use the 2.0 style API
moviePlayer.movieControlMode = MPMovieControlModeHidden;
[moviePlayer play];
}
}
}
}
我需要有关此行的帮助:
MPMoviePlayerController * moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];
它给了我一个NSInvaild参数异常。我需要视频播放器的创建以及随后从视图中删除的帮助。
解决方法
看起来您已将URL存储为普通的
NSString
,而播放器则希望将其存储为NSURL
。这个怎么样?
MPMoviePlayerController *moviePlayer = [[MPMoviePlayerController alloc]
initWithContentURL:[NSURL URLWithString:url]];