iOS SDK中是否提供“当前位置/指南针"标题按钮? [英] Is the Current Location/Compass heading button available in the iOS sdk?

问题描述

我正在开发适用于iOS的示例地图套件应用.我一切正常，并使用工具栏按钮切换MKUserTrackingMode.这似乎是一个愚蠢的问题，但是我已经搜索了IB中的所有选项，并查看了文档，但找不到与iOS Maps应用程序中当前位置/指南针标题相同的按钮选项.开发人员可以使用该特定按钮吗?

I am working on a sample map kit app for iOS. I have everything working and a toolbar button to toggle the MKUserTrackingMode. This may seem like a silly question but I have searched all the options in the IB and looked in the documentation, and I can't find any button options like the one for the current location/compass heading used in the iOS Maps app. Is that particular button available to developers?

推荐答案

您需要创建一个MKUserTrackingBarButtonItem并将其传递给构造函数中的MKMapview，然后将该按钮项添加到导航菜单中(或将其作为按钮的位置)是).

You need to create a MKUserTrackingBarButtonItem and pass it the MKMapview in the constructor, then add that button item to the navigation menu (or where ever it is your button should be).

- (void)viewDidLoad
{
    [super viewDidLoad];    
    MKUserTrackingBarButtonItem *buttonItem = [[MKUserTrackingBarButtonItem alloc] initWithMapView:self.map];
    self.navigationItem.rightBarButtonItem = buttonItem;
}

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