地圖sdk ios公開課lesson用于在上顯示標記

iOSSDK了解自定義了解@brief關(guān)聯(lián)的@property(nonatomic,strong)id<MAAnnotation>@brief顯示的@property(nonatomic,strong)UIImage@brief默認情況下,annotationview的中心位于annotation的坐標位置，可以設(shè)置@property(nonatomic)CGPointf 默認情況下, 彈出的氣泡位于正中上方，以設(shè)置改變的偏移使@property(nonatomic)CGPoint@interfaceMAPinAnnotationView:導入標 文-(MAAnnotationView*)mapView:(MAMapView*)mapView{if([annotationisKindOfClass:[MAPointAnnotation{staticNSString*reuseIndetifier=MAAnnotationView*annotationView=(MAAnnotationView*)[mapViewif(annotationView=={annotationView=[[MAAnnotationViewalloc]initWithAnnotation:annotation}annotationView.image=[UIImage//設(shè)置中心點偏移，使得標注底部中間點成為 annotationView.centerOffset=CGPointMake(0,-18);returnannotationView;}return}56@interfaceCustomCalloutView:@property(nonatomic,strong)UIImage*image;@property(nonatomic,copy)NSString*title;@property(nonatomic,copy)NSString*subtitle;

-添加 自定義繼承@interfaceCustomAnnotationView:@property(nonatomic,readonly)CustomCalloutView*calloutView;-(void)setSelected:(BOOL)selected7使用drawRect#pragmamark-draw-{[selfself.layer.shadowOpacity=1.0;self.layer.shadowOffset=CGSizeMake(0.0f,}-{CGContextSetLineWidth(context,CGContextSetFillColorWithColor(context,[UIColorcolorWithRed:0.3green:0.3blue:0.3[selfgetDra }- { CGFloatradius=6.0;midx=CGRectGetMidX(rrect),maxx=CGFloatminy=maxy=CGRectGetMaxY(rrect)-CGContextMoveToPoint(context,midx+kArrorHeight,maxy);CGContextAddLineToPoint(context,midx-kArrorHeight,CGContextAddArcToPoint(context,minx,maxy,minx,miny,radius);CGContextAddArcToPoint(context,minx,minx,maxx,miny,radius);CGContextAddArcToPoint(context,maxx,miny,maxx,maxx,radius);CGContextAddArcToPoint(context,maxx,maxy,midx,maxy,radius); 自定義修改calloutView@synthesizecalloutView={

修改calloutViewif(self.selected=={}if{

新建并添加if(self.calloutView=={self.calloutView.center=CGPointMake(CGRectGetWidth(self.bounds)/2.f+self.calloutOffset.x,}}

[self}{}

修改MAMapView的回調(diào)方法中的annotationView-(MAAnnotationView*)mapView:(MAMapView*)mapView{…CustomAnnotationView*annotationView=(CustomAnnotationView*)[mapViewdequeueReusableAnnotationViewWithIdentifier:reuseIndetifier];if(annotationView==nil){annotationView=[[CustomAnnotationViewalloc]initWithAnnotation:annotation}…}9自定義彈出氣泡添加@interfaceCustomCalloutView@property(nonatomic,strong)UIImageView*portraitView;@property(nonatomic,strong)UILabel*subtitleLabel;@property(nonatomic,strong)UILabel*titleLabel;@implementation-{self=[superinitWithFrame:frame];if(self){self.backgroundColor=[UIColorclearColor];[selfinitSubViews];}return}-{#define #define #define #define #define //self.portraitView=[[UIImageViewalloc]initWithFrame:CGRectMake(kPortraitMargin,kPortraitMargin,kPortraitWidth,self.portraitView.backgroundColor=[UIColorblackColor];[selfaddSubview:self.portraitView];self.titleLabel=[[UILabelalloc]initWithFrame:CGRectMake(kPortraitMargin*2+kPortraitWidth,kPortraitMargin,kTitleWidth,kTitleHeight)];self.titleLabel.font=[UIFontboldSystemFontOfSize:14];self.titleLabel.textColor=[UIColorwhiteColor];self.titleLabel.text=@"titletitletitletitle";[selfaddSubview:self.titleLabel];self.subtitleLabel=[[UILabelalloc]initWithFrame:CGRectMake(kPortraitMargin*2+kPortraitWidth,kPortraitMargin*2+kTitleHeight,kTitleWidth,kTitleHeight)];self.subtitleLabel.font=[UIFontsystemFontOfSize:12];self.subtitleLabel.textColor=[UIColorlightGrayColor];[selfaddSubview:self.subtitleLabel];} 綁定數(shù)據(jù)和#pragmamark--(void)setTitle:(NSString{self.titleLabel.text=}-(void)setSubtitle:(NSString{self.subtitleLabel.text=}-(void)setImage:(UIImage{self.portraitView.image=}自定義選中時將數(shù)據(jù)傳給@implementationCustomAnnotationView@synthesizecalloutView=_calloutView;-(void)setSelected:(BOOL)selected{…if{if(self.calloutView=={self.calloutView=[[CustomCalloutViewalloc]initWithFrame:CGRectMake(0,0,kCalloutWidth,kCalloutHeight)];self.calloutView.center=CGPointMake(CGRectGetWidth(self.bounds)/+-CGRectGetHeight(self.calloutView.bounds)/2.f+}self.calloutView.image=[UIImageimageNamed:@"building"];self.calloutViewself.calloutView.image=[UIImageimageNamed:@"building"];self.calloutView.title=self.annotation.title;self.calloutView.subtitle=self.annotation.subtitle;}…}自定義彈出氣泡修復：選中氣泡時認為選中點擊氣泡時，認為是選中annotation@implementationCustomAnnotationView@synthesizecalloutView=_calloutView;#pragmamark-…//重寫此函數(shù)，用以實現(xiàn)點擊calloutView判斷為點擊該