单击公开指示器按钮后如何转到第二个视图控制器 [英] How to go to second view controller after click on disclosure indicator button

问题描述

我想从地图视图中删除现有的注释.Scenerio 是单击现有的注释标注部分(披露指示器按钮)，它将引导用户到另一个视图控制器并显示一个按钮，您可以删除选定的注释.实际上，我正在努力创建完全相同的谷歌地图应用程序，这是我现在正在努力的部分.任何帮助，将不胜感激！

I would like to remove existing annotation from mapview. Scenerio is to click on existing annotation callout part (disclosureindicator button) and it would lead user to another viewcontroller and shows a button you could remove the selected annotation. Actually, I am working on to create exactly same google map application, that is part I am struggling now. Any help would be appreciated!

推荐答案

MKMapView 类有两种添加/删除注解的方法:

The MKMapView class has two methods you need to add/remove annotations:

addAnnotation: id <MKAnnotation>
removeAnnotation: id <MKAnnotation>

您将创建一个实现 MKAnnotation 协议的类.这是另一个 SO 问题中的示例:MKAnnotation，简单示例

You'd create a class that implements the protocol MKAnnotation. Here's an example in another SO question: MKAnnotation, simple example

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