对这里的 xcode 来说很新。我能够获取 flickr 数据，然后在单击较小的图像时显示较大的图像。
从 Flickr 我也得到了经度和纬度数据。
我希望能够显示带有每个图像的经纬度的地图，然后使用 mapview 将其显示到 xib 上。
如何将数据从 WebserviceEXVC.m 传递给 DVC.H 和 DVC.m？（我已经在xib上显示更大的图像。我想用地图替换更大的图像。我该如何在地图视图中显示长和纬度？
WebServiceExampleVC.h
//
// WebServiceExampleViewController.h
// WebServiceExample
//
// Created by Computerlab on 7/22/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface WebServiceExampleViewController : UIViewController <UITableViewDelegate, UITableViewDataSource>{
NSMutableArray* photoTitles;
NSMutableArray* photoSmallImageData;
NSMutableArray* photoURLsLargeImage;
//latitude":48.886392, "longitude"
NSMutableArray* photolongitude;
NSMutableArray* photolatitude;
NSMutableArray* photoURLsLargeData;
NSURLConnection* connection;
NSMutableData* receivedData;
}
@property (nonatomic, strong) IBOutlet UITableView* myTableView;
-(void)searchFlickrPhotos:(NSString*)text;
@end
WebServiceExampleVC.m
//
// WebServiceExampleViewController.m
// WebServiceExample
//
// Created by Computerlab on 7/22/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#import "WebServiceExampleViewController.h"
#import "DVC.h"
//NSString *const FlickrAPIKey = @"ac35247e7b67528944f322cceb05704b";
//My Key
NSString *const FlickrAPIKey = @"00af42177056c5b71bda9bd49938c1df";
@interface WebServiceExampleViewController ()
@end
@implementation WebServiceExampleViewController
@synthesize myTableView;
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString* CellIdentifier = @"Cell";
int row = indexPath.row;
UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if(cell == nil){
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
NSLog(@"%d - NEW CELL", row);
}
else {
NSLog(@"%d - OLD CELL", row);
}
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
UILabel* x2 = cell.textLabel;
CGRect r = x2.frame;
r.size.height = 100;
x2.frame = r;
x2.text = [NSString stringWithFormat:@"%d", row];
UILabel* detailText = cell.detailTextLabel;
// detailText.text = [NSString stringWithFormat:@"%s", "title"];
NSString* title = (NSString*) [photoTitles objectAtIndex:row];
detailText.text = [NSString stringWithFormat:@"%@", title];
NSString* lat = (NSString*) [photolatitude objectAtIndex:row];
detailText.text = [NSString stringWithFormat:@"%@", lat];
NSString* longi = (NSString*) [photolongitude objectAtIndex:row];
detailText.text = [NSString stringWithFormat:@"Lat %@\r\n,Long %@\n\n,title %@\n\n", lat ,longi, title];
//detailText.text =[NSString stringWithFormat:latitude];
// detailText.text = [NSString stringWithFormat:@"%s", "Longitude"];
UIImageView* imageView = cell.imageView;
NSData* imageData = (NSData*) [photoSmallImageData objectAtIndex:row];
imageView.image = [UIImage imageWithData:imageData];
return cell;
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection{
NSError* error;
NSDictionary* results = [NSJSONSerialization JSONObjectWithData:receivedData
options:kNilOptions
error:&error];
NSArray *photos = [[results objectForKey:@"photos"] objectForKey:@"photo"];
for (NSDictionary *photo in photos)
{
NSString *title = [photo objectForKey:@"title"];
[photoTitles addObject:(title.length > 0 ? title : @"Untitled")];
NSLog(@"title: %@", title);
NSString *latitude = [photo objectForKey:@"latitude"];
[photolatitude addObject: [NSString stringWithFormat:@"%@", latitude]];
//NSLog(@"photolatitude: %@", photolatitude);
NSLog(@"latitude: %@", latitude);
NSString *longitude = [photo objectForKey:@"longitude"];
[photolongitude addObject: [NSString stringWithFormat:@"%@", longitude]];
//NSLog(@"photolongitude: %@",photolongitude);
NSLog(@"longitude: %@",longitude);
// Build the URL to where the image is stored (see the Flickr API)
// In the format http://farmX.static.flickr.com/server/id/secret
// Notice the "_s" which requests a "small" image 75 x 75 pixels
NSString *photoURLString = [NSString stringWithFormat:@"http://farm%@.static.flickr.com/%@/%@_%@_s.jpg", [photo objectForKey:@"farm"], [photo objectForKey:@"server"], [photo objectForKey:@"id"], [photo objectForKey:@"secret"]];
NSLog(@"photoURLString: %@", photoURLString);
[photoSmallImageData addObject:[NSData dataWithContentsOfURL:[NSURL URLWithString:photoURLString]]];
photoURLString = [NSString stringWithFormat:@"http://farm%@.static.flickr.com/%@/%@_%@_m.jpg", [photo objectForKey:@"farm"], [photo objectForKey:@"server"], [photo objectForKey:@"id"], [photo objectForKey:@"secret"]];
[photoURLsLargeImage addObject:[NSURL URLWithString:photoURLString]];
NSLog(@"photoURLsLareImage: %@\n\n", photoURLString);
[photoURLsLargeData addObject:[NSData dataWithContentsOfURL:[NSURL URLWithString:photoURLString]]];
//NSLog(@"photoURLsLargeData: %@\n\n", photoURLsLargeData);
}
NSLog(@"Size of dictionary: %d", photoSmallImageData.count);
[myTableView reloadData];
}
-(void)searchFlickrPhotos:(NSString *)text
{
// Build the string to call the Flickr API
/* NSString *urlString =
[NSString stringWithFormat:
@"http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=%@&tags=%@&per_page=50&format=json&nojsoncallback=1", FlickrAPIKey, text];
*/
// Build the string to call the Flickr API
NSString *urlString =
[NSString stringWithFormat:
@"http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=%@&tags=%@&per_page=5&format=json&nojsoncallback=1&has_geo=1&extras=geo", FlickrAPIKey, text];
NSLog(@"REQ SENT: %@", urlString);
NSURL *url = [NSURL URLWithString:urlString];
// Setup and start async download
NSURLRequest *request = [[NSURLRequest alloc] initWithURL: url];
connection = [[NSURLConnection alloc] initWithRequest:request
delegate:self];
}
-(void)connection:(NSURLConnection*)connection didReceiveResponse:(NSURLResponse *)response{
[receivedData setData:nil];
}
-(void)connection:(NSURLConnection*)connection didReceiveData:(NSData *)data{
[receivedData appendData:data];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return photoSmallImageData.count;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
return 150.0f;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
photoTitles = [[NSMutableArray alloc] init];
photoSmallImageData = [[NSMutableArray alloc] init];
photoURLsLargeImage = [[NSMutableArray alloc] init];
photoURLsLargeData = [[NSMutableArray alloc] init];
photolongitude = [[NSMutableArray alloc] init];
photolatitude = [[NSMutableArray alloc] init];
receivedData = [[NSMutableData alloc] init];
[self searchFlickrPhotos:@"cars"];
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSData* imageData = (NSData*) [photoURLsLargeData objectAtIndex:indexPath.row];
[[NSUserDefaults standardUserDefaults] setObject:imageData
forKey:@"largeImage"];
[[NSUserDefaults standardUserDefaults] synchronize];
//[[NSUserDefaults standardUserDefaults] setObject:<#(id)#> forKey:<#(NSString *)#>]
DVC* detailView = [[DVC alloc] initWithNibName:@"DVC"
bundle:nil];
[self.navigationController pushViewController:detailView
animated:YES];
}
@end
DVC.h
/*****
#import <UIKit/UIKit.h>
#import <MapKit/MapKit.h>
@interface mapiphoneViewController : UIViewController <MKMapViewDelegate>
@property (strong, nonatomic) IBOutlet MKMapView* map;
@end
****/
//
// DVC.h
// WebServiceExample
//
// Created by Computerlab on 7/29/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface DVC : UIViewController
@property (strong, nonatomic) IBOutlet UIImageView* myImageView;
@end
DVC.m
//
// DVC.m
// WebServiceExample
//
// Created by Computerlab on 7/29/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#import "DVC.h"
@interface DVC ()
@end
@implementation DVC
@synthesize myImageView;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
NSData* myData = [[NSUserDefaults standardUserDefaults] dataForKey:@"largeImage"];
myImageView.image = [UIImage imageWithData:myData];
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
@end
///Map stuff
/*****************************************************
@synthesize map;
-(MKOverlayView*) mapView:(MKMapView *)mapView viewForOverlay:(id<MKOverlay>)overlay {
MKCircleView* circleView =[[MKCircleView alloc] initWithOverlay:overlay];
circleView.strokeColor = [UIColor blueColor];
circleView.fillColor = [UIColor redColor];
return circleView;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
float latitude = 40.0;
float longitude = -75.0;
CLLocationCoordinate2D x;
x.latitude = latitude;
x.longitude = longitude;
MKCoordinateSpan z;
z.latitudeDelta = 0.15;
z.longitudeDelta = 0.15;
MKCoordinateRegion y;
y.center = x;
y.span = z;
map.region = y;
[map addOverlay:[MKCircle circleWithCenterCoordinate:x
radius:1000]];
}
******/