Android Question Webview

tariqyounis · Sep 17, 2021

Hello All;
I wonder if there is away to track a button press in php file throw the webview. So if some one pressed a button in the php file I can open another b4xpage.

JohnC · Sep 17, 2021

Any link that the user clicks on will trigger the webview_OverrideUrl (URL As String) As Boolean event.

You can then check the passed URL to figure out how you want to handle it - for example, open another B4xpage.

But remember that if you do handle the event, then "Return True" in this event so that webview will not try to do anything for the event.

tariqyounis · Sep 17, 2021

JohnC said:
Any link that the user clicks on will trigger the webview_OverrideUrl (URL As String) As Boolean event.

You can then check the passed URL to figure out how you want to handle it - for example, open another B4xpage.

But remember that if you do handle the event, then "Return True" in this event so that webview will not try to do anything for the event.

thank you JohnC for your reply but I did not get any feed back from the php file. my php file is as follows:
I am trying to know if the user pressed button id="para4".

<?php
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div>
<label name="div0" id="div0" data="test2">test</label>


</div>
<input type="text" id="para1" value = 1>
<input type="text" id="para2" value = 2 >
<input type="text" id="para3" value = 3 >
<br/>
<input type="button" id="para4" value = 5 >
</body>
</html>

FrostCodes · Sep 17, 2021

Take a look at my premade example, it should be able to help you

WebViewExtras Examples for beginners

I noticed a lot of beginners are confused about how to use the WebViewExtras library so I made a detailed example. If you find it useful, kindly consider buying me a coffee. Code works on Android 4.4 to Android 14 (last tested version). It should work for the latest Android versions but I...

www.b4x.com

JohnC · Sep 17, 2021

tariqyounis said:
thank you JohnC for your reply but I did not get any feed back from the php file. my php file is as follows:
I am trying to know if the user pressed button id="para4".

Only HTTP links are handled by the OverrideURL event. You'll have to use javascript to catch those other button ID clicks.

tariqyounis · Sep 17, 2021

JohnC said:
Only HTTP links are handled by the OverrideURL event. You'll have to use javascript to catch those other button ID clicks.

thank you for the lead. I found out what I need in JavaScript.

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