-
Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
- B4A (free) - Android development
- B4J (free) - Desktop and Server development
- B4i - iOS development
- B4R (free) - Arduino, ESP8266 and ESP32 development
Android Question WebviewExtras
- Thread starter RUNO
- Start date
- Similar Threads Similar Threads
Thanks for all
Are you using webviewextras2 and webviewsettings? No .
The code in webpage
In B4A I use example with this link
www.b4x.com
for @warwound
Are you using webviewextras2 and webviewsettings? No .
The code in webpage
B4X:
<!DOCTYPE html>
<html>
<body>
<p>Please click the button</p>
<button onclick="getLocation()">Press here</button>
<p id="demo"></p>
<script>
var x = document.getElementById("demo");
function getLocation() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showPosition, showError);
} else {
x.innerHTML = "Geolocation is not supported by this browser.";
}
}
function showPosition(position) {
x.innerHTML = "Latitude: " + position.coords.latitude +
"<br>Longitude: " + position.coords.longitude;
}
function showError(error) {
switch(error.code) {
case error.PERMISSION_DENIED:
x.innerHTML = "User denied the request for Geolocation."
break;
case error.POSITION_UNAVAILABLE:
x.innerHTML = "Location information is unavailable."
break;
case error.TIMEOUT:
x.innerHTML = "The request to get user location timed out."
break;
case error.UNKNOWN_ERROR:
x.innerHTML = "An unknown error occurred."
break;
}
}
</script>
</body>
</html>In B4A I use example with this link
Getting the source code of a webpage with WebView and WebViewExtras
Hello, I need to do a pretty simple thing, which is exact the source code of a webpage, i.e. google.com or whatever, so that I can parse it later on. I added a WebView to my app and then using the WebViewExtras lib I tried the following: Sub WebView1_PageFinished (Url As String) ' Now...
www.b4x.com
Last edited:
Upvote
0
Okay, so what is the error you get?
How are you instantiating the web view in B4A?
Something like ?
Of course your options may well be different to those above.
How are you instantiating the web view in B4A?
Something like ?
B4X:
Sub Globals
Dim wv As WebView
Dim wve As WebViewExtras
Dim wvs As WebViewSettings
End Sub
Sub ShowWebBrowser
...
wv.Initialize("wv")
wve.Initialize(wv)
Dim JavascriptInterface1 As DefaultJavascriptInterface
JavascriptInterface1.Initialize
Dim WebChromeClient1 As DefaultWebChromeClient
WebChromeClient1.Initialize("WebChromeClient1")
wve.SetWebChromeClient(WebChromeClient1)
wve.AddJavascriptInterface(JavascriptInterface1,"Android") 'Added so that Javascript can communicate with Android App
wvs.setAllowFileAccess(wv,True)
wvs.setAppCacheEnabled(wv,True)
wvs.setDOMStorageEnabled(wv,True)
wvs.setDisplayZoomControls(wv,False)
...
End SubOf course your options may well be different to those above.
Upvote
0
You might want to consider this as well
www.b4x.com
Catching error messages from Webview using WebviewExtras
I'm loading html into a WebView that is Google Maps V3 JS (loads a map with markers) and I need to know if an error occurs so I can reload the WebView. I've seen several references to WebviewExtras console logs but no clear example on how they used.
www.b4x.com
Upvote
0
I guess you've looked at this as well?
developer.mozilla.org
Geolocation: getCurrentPosition() method - Web APIs | MDN
The getCurrentPosition() method of the Geolocation interface is used to get the current position of the device.
developer.mozilla.org
Upvote
0
