ios地图sdk | 百度地图api sdk-凯发k8官方旗舰厅

//设置从天而降的动画效果
annotationview.animatesdrop=yes;

#import<uikit/uikit.h>
@interfaceanimationannotationview:bmkannotationview
//存储每一帧图片
@property(nonatomic, strong)nsmutablearray*annotationimages;
//展示帧动画的uiimageview
@property(nonatomic, strong)uiimageview*annotationimageview;
@end 
#import"animationannotationview.h"
@implementation animationannotationview
-(id)initwithannotation:(id<bmkannotation>)annotation reuseidentifier:(nsstring*)reuseidentifier {
    self =[superinitwithannotation:annotation reuseidentifier:reuseidentifier];
if(self){
[self setbounds:cgrectmake(0.f,0.f,32.f,32.f)];
[self setbackgroundcolor:[uicolor clearcolor]];
        _annotationimageview =[[uiimageview alloc] initwithframe:self.bounds];
        _annotationimageview.contentmode=uiviewcontentmodecenter;
[self addsubview:_annotationimageview];
}
return self;
}
-(void)setannotationimages:(nsmutablearray*)images {
    _annotationimages = images;
[self updateimageview];
}
-(void)updateimageview {
if([_annotationimageview isanimating]){
[_annotationimageview stopanimating];
}
    _annotationimageview.animationimages= _annotationimages;
    _annotationimageview.animationduration=0.5*[_annotationimages count];
    _annotationimageview.animationrepeatcount=0;
[_annotationimageview startanimating];
}
@end

//初始化标注类bmkpointannotation的实例
bmkpointannotation*annotation =[[bmkpointannotation alloc] init];
//设置标注的经纬度坐标
annotation.coordinate=cllocationcoordinate2dmake(39.915,116.404);
/**
 向地图窗口添加标注，需要实现bmkmapviewdelegate的-mapview:viewforannotation:方法
 来生成标注对应的view
 @param annotation 要添加的标注
 */
[_mapview addannotation:annotation];

#pragma mark -bmkmapviewdelegate
/**
 根据anntation生成对应的annotationview
 @param mapview 地图view
 @param annotation 指定的标注
 @return 生成的标注view
 */
-(bmkannotationview*)mapview:(bmkmapview*)mapview viewforannotation:(id <bmkannotation>)annotation {
//动画annotation
nsstring*annotationviewid= @"animatedannotation";
animationannotationview*annotationview = nil;
if(annotationview == nil){
        annotationview =[[animationannotationview alloc] initwithannotation:annotation reuseidentifier:annotationviewid];
}
nsmutablearray*images =[nsmutablearray array];
for(int i =1; i <4; i){
uiimage*image =[uiimage imagenamed:[nsstring stringwithformat:@"poi-%d.png", i]];
[images addobject:image];
}
    annotationview.annotationimages= images;
return annotationview;
}