webview上的Android地理定位

Question

我需要从 web 视图中获取用户的位置，并且它不会要求我获得获取位置的权限。以下是我的 webview 代码：

WebView 设置

public void WebViewSettings(){

    webView = (WebView) findViewById(R.id.webview);
    webView.canGoBack();

    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
    webView.getSettings().setBuiltInZoomControls(true);
    webView.getSettings().setSupportZoom(true);
    webView.getSettings().setLoadWithOverviewMode(true);
    webView.setWebViewClient(new WebViewClientSetup());
    //webView.setWebChromeClient(new GeoWebChromeClient());
    webView.getSettings().setGeolocationEnabled(true);
    //webView.getSettings().setGeolocationDatabasePath( context.getFilesDir().getPath() );

    myTimer = new Timer();
    //Start this timer when you create you task
    myTimer.schedule(new loaderTask(), 20000);

}

WebChromeClient：

public class GeoWebChromeClient extends WebChromeClient {
    @Override
    public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
        callback.invoke(origin, true, false);
    }
}

WebViewClient：

public class WebViewClientSetup extends WebViewClient {

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
        return false;
    }

    @Override
    public void onLoadResource(WebView view, String url) {
        // Check to see if there is a progress dialog
        if (progressDialog == null) {
            progressDialog = new ProgressDialog(context);
            progressDialog.setTitle("Loading...");
            progressDialog.setMessage("Please wait.");
            progressDialog.setCancelable(true);
            progressDialog.setIndeterminate(true);
            progressDialog.show();
        }
    }

    @Override
    public void onReceivedSslError(WebView view, SslErrorHandler handler,
            SslError error) {
        handler.proceed();
    }

    @Override
    public void onPageFinished(WebView view, String url) {
        isPageLoadedComplete = true;
        View mapHeight = (View) findViewById(R.id.webview);
        int height = mapHeight.getHeight();
        Log.d("map height", "map height" + height);
        // Page is done loading;
        // hide the progress dialog and show the webview
        if (progressDialog.isShowing()) {
            progressDialog.dismiss();
        }
    }

    @Override
    public void onReceivedError(WebView view, int errorCod,
            String description, String failingUrl) {
        AlertDialog();
    }
}

它没有征求我的同意，我不知道为什么，有人能看出我哪里出错了吗？提前致谢！

Answer 1

您应该在 android-manifest.xml 中添加您想要使用的权限。 将以下行添加到 android-manifest.xml。

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_GPS" />
<uses-permission android:name="android.permission.ACCESS_ASSISTED_GPS" />
<uses-permission android:name="android.permission.ACCESS_LOCATION" />