小编Ale*_*dis的帖子

Swift 3 - MKPointAnnotation自定义图像

这是我的代码,我想添加自定义引脚(.png文件)而不是红色引脚.我试图使用MKPinAnnotationView和MKAnnotationView,但我无法添加坐标,字幕和标题.我是iOS开发的新手.

override func viewDidLoad() {
    super.viewDidLoad()
    // Handle the text field’s user input through delegate callbacks.
    commentTextField.delegate = self

    coreLocationManager.delegate = self
    //desired accuracy is the best accuracy, very accurate data for the location
    coreLocationManager.desiredAccuracy = kCLLocationAccuracyBest
    //request authorization from the user when user using my app
    coreLocationManager.requestWhenInUseAuthorization()

    coreLocationManager.startUpdatingLocation()

    dbRef = FIRDatabase.database().reference()

    struct Location {
        let title: String
        let latitude: Double
        let longitude: Double
        let subtitle: String
    }
    // Locations array
    let locations = [
        Location(title: "Dio Con Dio",    latitude: …
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mapkit ios mkpointannotation swift

7
推荐指数
1
解决办法
6178
查看次数

如何检查 ubuntu 上是否安装了 gnupg,如果没有安装,如何运行 shell 脚本来安装它?

#! /bin/bash


if which gnupg >/dev/null; then 
    echo "Installed"
else
    echo "Not installed" #If not installed

echo "Installing..."
sudo apt-get install gnupg #installation

fi
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你有什么主意吗?当我运行它时,它显示尚未安装,但它尝试更新它。结果它说:gnupg 已经是最新版本了。0 已升级,0 已新安装,0 已删除,46 未升级。

bash shell ubuntu gnupg

3
推荐指数
1
解决办法
8142
查看次数

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