我想使用 GMUClusterManager
显示自定义标记。我遵循了标记聚类的所有步骤 here .
但是当我放大该 map 时,它只显示红色标记,但我不想要那个。
有一个实例方法,我已经在其中实现了我的逻辑但没有用。
- (instancetype)initWithMapView:(GMSMapView *)mapView clusterIconGenerator:(id<GMUClusterIconGenerator>)iconGenerator
{
if ((self = [super init])) {
GMSMarker *marker= [GMSMarker markerWithPosition:CLLocationCoordinate2DMake(24.0, 75.30)];
UIView *customMarker =[[UIView alloc] initWithFrame:CGRectMake(0, 0, 63, 40)];
customMarker.backgroundColor = [UIColor blueColor];
marker.iconView = [self EmployeeMarker:0] ;
marker.appearAnimation = kGMSMarkerAnimationPop;
marker.map = mapView;
}
return self;
}
-(UIView *)EmployeeMarker:(int)labelTextInt{
UIView *customMarker =[[UIView alloc] initWithFrame:CGRectMake(0, 0, 63, 40)];
UIImageView *imgViewCustomMarker = [[UIImageView alloc]initWithFrame:CGRectMake(0, 15, 24, 25)];
imgViewCustomMarker.image = [UIImage imageNamed:@"iconMapUser.png"];
[customMarker addSubview:imgViewCustomMarker];
UIView *viewRatingCustom = [[UIView alloc] initWithFrame:CGRectMake(15, 0, 40, 15)];
viewRatingCustom.backgroundColor = [UIColor colorWithRed:192.0/255.0 green:192.0/255.0 blue:192.0/255.0 alpha:1.0];
UILabel *lblRatingEmployees = [[UILabel alloc] initWithFrame:CGRectMake(8, 1, 17,8)];
lblRatingEmployees.textColor = [UIColor colorWithRed:0.00/255.0 green:100.0/255.0 blue:150.0/255.0 alpha:1.0];
lblRatingEmployees.text = @"1";
lblRatingEmployees.font = [UIFont fontWithName:@"Helvetica-Bold" size:10];
[lblRatingEmployees sizeToFit];
[viewRatingCustom addSubview:lblRatingEmployees];
UIImageView *imageViewStar = [[UIImageView alloc] initWithFrame:CGRectMake(25, 3, 10, 8)];
imageViewStar.image = [UIImage imageNamed:@"iconBlueStar.png"];
[viewRatingCustom addSubview:imageViewStar];
[customMarker addSubview:viewRatingCustom];
return customMarker;
}
我已经使用这种方法来显示默认情况下为红色的标记的可能数量。
id<GMUClusterAlgorithm> algorithm = [[GMUNonHierarchicalDistanceBasedAlgorithm alloc] init];
id<GMUClusterIconGenerator> iconGenerator = [[GMUDefaultClusterIconGenerator alloc] init];
id<GMUClusterRenderer> renderer =
[[GMUDefaultClusterRenderer alloc] initWithMapView:_mapView
clusterIconGenerator:iconGenerator];
_clusterManager =
[[GMUClusterManager alloc] initWithMap:_mapView algorithm:algorithm renderer:renderer];
// Generate and add random items to the cluster manager.
// [self generateClusterItems];
for (int i = 0; i<latitudeArray.count; i++) {
id<GMUClusterItem> item =
[[POIItem alloc]initWithPosition:CLLocationCoordinate2DMake([[latitudeArray objectAtIndex:i]doubleValue], [[longitudeArray objectAtIndex:i]doubleValue]) name:@"Name"];
[_clusterManager addItem:item];
}
添加委托(delegate)和集群方法。
[_clusterManager cluster];
[_clusterManager setDelegate:self mapDelegate:self];
所以请帮我添加自定义标记来代替默认的红色。
最佳答案
您需要创建符合GMUClusterIconGenerator
协议(protocol)的自定义类:
CustomClusterIconGenerator.h 文件
@interface CustomClusterIconGenerator : NSObject
<GMUClusterIconGenerator>
@end
CustomClusterIconGenerator.m 文件
@implementation CustomClusterIconGenerator
- (UIImage *)iconForSize:(NSUInteger)size {
// Return custom icon for cluster
return [UIImage imageNamed:@"Your Custom Cluster Image"];
}
- (UIImage *)iconForMarker {
// Return custom icon for pin
return [UIImage imageNamed:@"Your Custom Marker Image"];
}
- (CGPoint)markerIconGroundAnchor {
// If your marker icon center shifted, return custom value for anchor
return CGPointMake(0, 0);
}
- (CGPoint)clusterIconGroundAnchor {
// If your cluster icon center shifted, return custom value for anchor
return CGPointMake(0, 0);
}
@end
然后然后,而不是
id<GMUClusterIconGenerator> iconGenerator = [[GMUDefaultClusterIconGenerator alloc] init];
使用
CustomClusterIconGenerator *iconGenerator = [[GMUDefaultClusterIconGenerator alloc] init];
关于ios - 使用 GMUClusterManager 的自定义标记,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40837717/