ios - GMSMarker 信息窗口内容(片段)未更新
<p><p>我有一个数组,其中每个元素都有 <code>Latitude</code> <code>Longitude</code> 和其他一些值,用于在 map 上绘制标记。我正在使用以下代码来更新 <code>GMSMarker</code> 的片段、位置和图标。我正在使用 <code>UISlider</code> 来遍历数组。当我这样做时,标记的图标和位置会更新,而标记的 <code>InfoWindow</code> 不会更新。它仅显示旧内容。但是当我现在取消选择并再次选择它时,它会显示正确的信息窗口内容。我曾尝试使用 <code>tracksInfoWindowChanges</code>,但它不起作用。</p>
<pre><code> @IBAction func progressChanged(_ sender: UISlider) {
let iVal = Int(sender.value)
if iVal < progressList.count {
let str = progressList
let arr = str.components(separatedBy: "!")
let lat = Double(arr)!
let lng = Double(arr)!
let pos = CLLocationCoordinate2DMake(lat, lng)
let fRotation = Float(arr)
let rotation = CGFloat(fRotation!)
let strTime = arr
let idleFlag = arr
let strSpeed = arr
let strName = arr
proMarker.position = pos
proMarker.title = strName
if idleFlag == "Y" {
proMarker.snippet = strSpeed + "!" + strTime + "!" + "idle"
proMarker.tracksInfoWindowChanges = true
let markerImage = UIImage(named: "arrow_red")
let rotated = markerImage?.imageRotatedByDegrees(rotation, flip: false)
proMarker.icon = rotated
} else {
proMarker.snippet = strSpeed + "!" + strTime + "!" + "moving"
proMarker.tracksInfoWindowChanges = true
let markerImage = UIImage(named: "arrow_green")
let rotated = markerImage?.imageRotatedByDegrees(rotation, flip: false)
proMarker.icon = rotated
}
proMarker.groundAnchor = CGPoint(x: 0.5, y: 0.5)
let dTime = sdf5.date(from: strTime)
let sTime = sdf6.string(from: dTime!)
hTime.text = sTime
hSpeedIdle.text = strSpeed + " km/h"
}
}
</code></pre>
<p>请帮我解决我的问题。</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>这不是添加lat_long的正确方法,您应该将marker_obj添加到数组中,因为每个标记都包含所有相关信息,它可以帮助您减少这种类型的代码长度。</p></p>
<p style="font-size: 20px;">关于ios - GMSMarker 信息窗口内容(片段)未更新,我们在Stack Overflow上找到一个类似的问题:
<a href="https://stackoverflow.com/questions/44601224/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/44601224/
</a>
</p>
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