确定Google Streetview功能的存在

确定Google Streetview功能的存在,第1张

确定Google Streetview功能的存在

我为此创建了一个小技巧。:)

strings.xml

<string name="html_streetview">    <![CDATA[<html><head>   <script src="http://maps.google.com/maps/api/js?v=3&amp;sensor=false" type="text/javascript"></script> </head><body><script type="text/javascript"> Android.echo(); var testPoint = new google.maps.LatLng(%1$s, %2$s,true); var svClient = new google.maps.StreetViewService(); svClient.getPanoramaByLocation(testPoint, 50,function (panoramaData, status) {   if (status == google.maps.StreetViewStatus.OK) {     Android.hasStreetview();   } else {     Android.hasNotStreetview();   } });</script></body></html>]]></string>

现在,在活动上添加用于街景视图的按钮,并将以下代码放入onclick方法中:

    if (webView == null) {      webView = new WebView(this);      webView.setVisibility(View.INVISIBLE);      webView.getSettings().setJavascriptEnabled(true);      webView.addJavascriptInterface(new JavascriptCheck(this), "Android");      webView.setWebViewClient(new WebViewClient() {          public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {    Toast.makeText(this, "Streetview loading", Toast.LENGTH_SHORT).show();    super.onReceivedError(view, errorCode, description, failingUrl);     }      });    }    Toast.makeText(this, "Streetview loading", Toast.LENGTH_SHORT).show();    webView.loadDataWithbaseURL(baseurl,       getString(R.string.html_streetview, latitude, longitude), "text/html", "UTF-8", baseurl);

现在是活动的内部类

public class JavascriptCheck {   private final Context context;   public JavascriptCheck(Context context) {      this.context = context;   }   public void echo() {       Log.d("JavascriptChecker", "javascript called");   }   public void hasStreetview() {       pushStreetviewState(true);   }   public void hasNotStreetview() {      pushStreetviewState(false);   }   private void pushStreetviewState(final boolean hasStreetview) {       Log.d("JavascriptChecker", hasStreetview);       // TODO do your stuff needed here   }}

这是一个相当糟糕的解决方法,但可能会有所帮助。:)



欢迎分享,转载请注明来源:内存溢出

原文地址: https://outofmemory.cn/zaji/5439470.html

(0)
打赏 微信扫一扫 微信扫一扫 支付宝扫一扫 支付宝扫一扫
上一篇 2022-12-11
下一篇 2022-12-11

发表评论

登录后才能评论

评论列表(0条)

保存