Get the first Element of a Dictionary:
[gist https://gist.github.com/80552a75bfdf071f58cb /]
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| - (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url { | |
| NSLog(@"url recieved: %@", url); | |
| NSLog(@"query string: %@", [url query]); | |
| NSLog(@"host: %@", [url host]); | |
| NSLog(@"url path: %@", [url path]); | |
| NSDictionary *dict = [self parseQueryString:[url query]]; | |
| NSLog(@"query dict: %@", dict); | |
| return YES; | |
| } |
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| //http://www.idev101.com/code/Objective-C/custom_url_schemes.html | |
| - (NSDictionary *)parseQueryString:(NSString *)query { | |
| NSMutableDictionary *dict = [[[NSMutableDictionary alloc] initWithCapacity:6] autorelease]; | |
| NSArray *pairs = [query componentsSeparatedByString:@"&"]; | |
| for (NSString *pair in pairs) { | |
| NSArray *elements = [pair componentsSeparatedByString:@"="]; | |
| NSString *key = [[elements objectAtIndex:0] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; | |
| NSString *val = [[elements objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; | |
| [dict setObject:val forKey:key]; | |
| } | |
| return dict; | |
| } |
URL: http://gdata.youtube.com/feeds/api/users/unpluggedacoustic1/uploads/?alt=json
JSON:
"media$group":{
"media$thumbnail": [
{ "url":"http://i.ytimg.com/vi/OKJk4QVyUTw/0.jpg","height":360,"width":480,"time":"00:01:39.500" },
{ "url":"http://i.ytimg.com/vi/OKJk4QVyUTw/1.jpg","height":90,"width":120,"time":"00:00:49.750" },
{ "url":"http://i.ytimg.com/vi/OKJk4QVyUTw/2.jpg","height":90,"width":120,"time":"00:01:39.500" },
{ "url":"http://i.ytimg.com/vi/OKJk4QVyUTw/3.jpg","height":90,"width":120,"time":"00:02:29.250" }
]
}
NSDictionary *mediagroup = [entry objectForKey:@"media$group"];
//NSLog(@"MediaGroup: %@", mediagroup);
NSDictionary *mediathumbnail = [mediagroup objectForKey:@"media$thumbnail"][0];
NSString *url = [mediathumbnail objectForKey:@"url"];
NSLog(@"%@", url);
