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ios视频下载功能实现，并自动保存到相册(有mbprogresshud 可以解开注释)，供大家参考，具体内容如下
视频类定义属性
///@property (nonatomic,strong) mbprogresshud *hud; @property (nonatomic,strong) nsurlsession *session; ///视频播放和下载用的url @property (nonatomic,strong) nsurl *url;
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///初始化session
- (nsurlsession *)session{
if(_session == nil)
{
nsurlsessionconfiguration *config = [nsurlsessionconfiguration defaultsessionconfiguration];
_session = [nsurlsession sessionwithconfiguration:config delegate:self delegatequeue:nil];
}
return _session;
}
///下载
- (void)download:(uibarbuttonitem *)btnitem{
///初始化session
_session = [xmconcisevedioplayer getsession:_session];
///self.hud = [mbprogresshud showhudaddedto:self animated:yes];
[self downloadfilewithurl:self.url];
}
///通过url下载
- (void)downloadfilewithurl:(nsurl *)url{
nsurlrequest *request = [nsurlrequest requestwithurl:url cachepolicy:1.0 timeoutinterval:5.0];
///下载任务
[[self.session downloadtaskwithrequest:request]resume];
nsurlsessiondownloadtask *task = [_session downloadtaskwithurl:url completionhandler:^(nsurl *location, nsurlresponse *response, nserror *error) {
///[self.hud setlabeltext:[nsstring stringwithformat:@"下载成功"]];
nsfilemanager *filemanger = [nsfilemanager defaultmanager];
///沙盒documents路径
nsstring *documents = [nshomedirectory() stringbyappendingpathcomponent:@"documents"];
//拼接文件绝对路径
nsstring *path = [documents stringbyappendingpathcomponent:response.suggestedfilename];
//视频存放到这个位置
[filemanger moveitematurl:location tourl:[nsurl fileurlwithpath:path] error:nil];
///保存到相册
uisavevideoatpathtosavedphotosalbum(path, self, @selector(video:didfinishsavingwitherror:contextinfo:), nil);
}];
///开始下载任务
[task resume];
}
//保存视频完成之后的回调
- (void)video:(nsstring *)videopath didfinishsavingwitherror:(nserror *)error contextinfo:(void *)contextinfo {
if (!error) {
///[self.hud setlabeltext:[nsstring stringwithformat:@"保存到相册成功"]];
} else {
///[self.hud setlabeltext:[nsstring stringwithformat:@"下载失败"]];
}
///[self.hud hide:yes afterdelay:3.0];
}
// 进度数据
- (void)urlsession:(nsurlsession *)session downloadtask:(nsurlsessiondownloadtask *)downloadtask didwritedata:(int64_t)byteswritten totalbyteswritten:(int64_t)totalbyteswritten totalbytesexpectedtowrite:(int64_t)totalbytesexpectedtowrite{
float progress = (float)totalbyteswritten / totalbytesexpectedtowrite;
long pro = (long)(progress *100);
///[self.hud setlabeltext:[nsstring stringwithformat:@"下载进度:%ld%%",pro]];
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。
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