5
我在線上關注Tutorial,我有2種向Google Places API提交查詢的方法。我試圖得到一個迴應不幸的是,它不工作。我在代碼中有一些調試號碼。但是,這是代碼。Google Places API未返回響應
-(void) queryGooglePlaces{
NSString *url = @"https://maps.googleapis.com/maps/api/place/search/json?location=-33.8670522,151.1957362&radius=500&types=food&name=harbour&sensor=false&key=myKey";
//Formulate the string as a URL object.
NSURL *googleRequestURL=[NSURL URLWithString:url];
NSLog(@"1.5");
// Retrieve the results of the URL.
dispatch_async(kBgQueue, ^{
NSData* data = [NSData dataWithContentsOfURL: googleRequestURL];
[self performSelectorOnMainThread:@selector(fetchedData:) withObject:data waitUntilDone:YES];
});
NSLog(@"2");
}
-(void)fetchedData:(NSData *)responseData {
//parse out the json data
NSError* error;
NSDictionary* json = [NSJSONSerialization
JSONObjectWithData:responseData
options:kNilOptions
error:&error];
//The results from Google will be an array obtained from the NSDictionary object with the key "results".
NSArray* places = [json objectForKey:@"results"];
//Write out the data to the console.
NSLog(@"Google Data: %@", places);
NSLog(@"3");
}
在日誌輸出變爲這樣:
2012-08-03 16:40:12.411 sCode[25090:1a303] 1.5
2012-08-03 16:40:12.411 sCode[25090:1a303] 2
2012-08-03 16:40:12.512 sCode[25090:1a303] 4
2012-08-03 16:40:12.751 sCode[25090:1a303] Google Data: (
)
2012-08-03 16:40:12.751 sCode[25090:1a303] 3
2012-08-03 16:40:13.628 sCode[25090:1a303] 1
2012-08-03 16:40:14.129 sCode[25090:1a303] 4
誰能告訴我怎麼回事錯了,所以我沒沒有得到迴應? 是的,我在ViewDidLoad
方法[self queryGooglePlaces];
方法 欣賞幫助傢伙!對不起,如果我太冗長了......剛開始嘗試學習!
以及我的網址是不同的 然而,這個特殊的網址,我直接從Google Places API網站拉出來,並簡單地更換了我的API密鑰。 所以你認爲問題只在於網址? – 2012-08-06 18:59:37
確切的URL與您的問題無關。我正在專門講述如何在將URL發送到服務器進行處理之前對其進行編碼。 – 2012-08-06 19:19:38
即使當我添加該行代碼 我沒有得到迴應:( – 2012-08-06 19:43:04