iOS開發中地圖（MapKit）的使用

iOS開發中地圖（MapKit）的使用

首先要引入MapKit.framework的架構

將#import 的庫引進來

但是運行結果可以出現地圖但是一直出現這樣的錯誤該怎麼解決

Apr 7 18:26:27 Amorming.local dingwei[600] : CGBitmapContextCreate: unsupported parameter combination: 5 integer bits/component; 16 bits/pixel; 3-component color space; kCGImageAlphaNoneSkipLast; 512 bytes/row.

2014-04-07 18:26:27.843 dingwei[600:7b03] vImage decode failed, falling back to CG path.

以下是代碼

GPSViewController.h檔案中

#import #import #import @interface GPSViewController : UIViewController@property(nonatomic,retain) CLLocationManager* locationmanager;@property(nonatomic,retain) CLGeocoder* geocoder;@end

GPSViewController.m檔案中

#import "GPSViewController.h"@interface GPSViewController ()@end@implementation GPSViewController@synthesize locationmanager,geocoder;- (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.    //初始化地圖視圖    MKMapView* mapview = [[MKMapView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];    //地圖的代理方法    mapview.delegate = self;    //是否顯示當前的位置    mapview.showsUserLocation = YES;    //地圖的類型， iOS開發中內建的地圖    //使用第三方的地圖可以尋找周邊環境的餐館，學校之類的    /*     MKMapTypeStandard 標準地圖     MKMapTypeSatellite 衛星地圖     MKMapTypeHybrid 混合地圖     */    mapview.mapType = MKMapTypeStandard;        //河南南陽的經緯度，初始化的座標    CLLocationCoordinate2D coor2d = {33.00,112.52};    //CLLocationCoordinate2D coor2d = {37.7,112.4};    //顯示範圍，數值越大，範圍就越大    MKCoordinateSpan span = {5,5};    MKCoordinateRegion region = {coor2d,span};    //是否允許縮放，一般都會讓縮放的    //mapview.zoomEnabled = NO;    //mapview.scrollEnabled = NO;    //地圖初始化時顯示的地區    [mapview setRegion:region];    [self.view addSubview:mapview];    locationmanager = [[CLLocationManager alloc]init];        //設定精度    /*     kCLLocationAccuracyBest     kCLLocationAccuracyNearestTenMeters     kCLLocationAccuracyHundredMeters     kCLLocationAccuracyHundredMeters     kCLLocationAccuracyKilometer     kCLLocationAccuracyThreeKilometers     */    //設定定位的精度    [locationmanager setDesiredAccuracy:kCLLocationAccuracyBest];    //實現協議    locationmanager.delegate = self;    NSLog(@"開始定位");    //開始定位    [locationmanager startUpdatingLocation];   }#pragma mark locationManager delegate//實現定位 6.0 到期的做法- (void)locationManager:(CLLocationManager *)managerdidUpdateToLocation:(CLLocation *)newLocation   fromLocation:(CLLocation *)oldLocation{    NSLog(@"hello");    //列印出精度和緯度    CLLocationCoordinate2D coordinate = newLocation.coordinate;    NSLog(@"輸出當前的精度和緯度");    NSLog(@"精度：%f 緯度：%f",coordinate.latitude,coordinate.longitude);    //停止定位    [locationmanager stopUpdatingLocation];    //計算兩個位置的距離    float distance = [newLocation distanceFromLocation:oldLocation];    NSLog(@" 距離 %f",distance);        //====位置的反編碼 5.0 之後的    /*          */       geocoder = [[CLGeocoder alloc]init];    [geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray*placemarks,NSError* error)     {         //NSLog(@"hffjv");         for (CLPlacemark* place in placemarks) {             //NSLog(@"hffjv");             NSLog(@"name %@",place.name); //位置             NSLog(@"thoroughfare %@",place.thoroughfare);//街道             //子街道             NSLog(@"subthoroughfare %@",place.subAdministrativeArea);             //市             NSLog(@"loclitity %@",place.locality);             //區             NSLog(@"subLocality %@",place.subLocality);             //國家             NSLog(@"country %@",place.country);             NSLog(@"hffjv");         }              }];}// 6.0 之後新增的位置調用方法/*-(void)locationManager:(CLLocationManager *)managerdidUpdateLocations:(NSArray *)locations{    for (CLLocation* location in locations) {        NSLog(@"%@",location);    }    //停止定位   // [manager stopUpdatingLocation];    }*/#pragma mark MKMapViewDelegate的代理方法//返回標註視圖（圖釘視圖）/*- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id )annotation{    }*///更新當前位置調用- (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation{    }//選中注釋表徵圖- (void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view{    }//地圖的顯示地區改變了調用- (void)mapView:(MKMapView *)mapView regionDidChangeAnimated:(BOOL)animated{    }@end