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我希望獲得標記位置後拖動它。使用AppInventor通過setWebViewString函數從Java Script獲取位置。標記的地圖和拖動工作正常。但AppInventor上的App沒有從WebViewer接收到位置,WebViewString沒有內容。AppInventor - 從Google地圖獲取標記位置
我想這個問題是在這部分代碼:
google.maps.event.addListener(marker, 'dragend', function() {
windowAppInventor.setWebViewString(marker.getPosition());
});
請,可有人審查?
<!DOCTYPE html>
<html>
<head>
<script
src="http://maps.googleapis.com/maps/api/js">
</script>
<script>
var myCenter=new google.maps.LatLng(51.508742,-0.120850);
function initialize()
{
var mapProp = {
center: myCenter,
zoom:15,
panControl:false,
zoomControl:true,
mapTypeControl:false,
scaleControl:false,
streetViewControl:false,
overviewMapControl:false,
rotateControl:false,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("googleMap"),mapProp);
var marker=new google.maps.Marker({
position:myCenter,
draggable:true,
});
marker.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
google.maps.event.addListener(marker, 'dragend', function() {
windowAppInventor.setWebViewString(marker.getPosition());
});
</script>
</head>
<body>
<div id="googleMap" style="width:500px;height:380px;margin:-8px"></div>
</body>
</html>