Read the JSON file
Get the File
//Get file on a background thread to stop GUI locking up
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSData* data = [NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://mydomain.com/comefile.php"]]; //Could obviously be a .json file too
[self performSelectorOnMainThread:@selector(fetchedData:)
withObject:data waitUntilDone:YES];
});
File Received
//****************************************
//****************************************
//********** JSON FILE RECEIVED **********
//****************************************
//****************************************
- (void)fetchedData:(NSData *)responseData
{
//Get the json data
NSError* error;
NSDictionary* json = [NSJSONSerialization
JSONObjectWithData:responseData
options:kNilOptions
error:&error];
//View all the data
NSLog(@"json dump: %@", json);
//Get an individual value
//NSString *my_value = [json objectForKey:@"my_value"] //A root value
NSString *my_value = [[json objectForKey:@"json_results"] objectForKey:@"my_value"]; //A value 1 level deep: $json_data = array("json_results" => array("my_value" => $my_value,...
NSLog(@"my_value: %@", my_value);
//Get an array
NSArray* my_array = [[json objectForKey:@"json_results"] objectForKey:@"my_array"]; //$json_data = array("json_results" => array("my_array" => $my_array,...
NSLog(@"my_array: %@", my_array);
}