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Merge pull request #5660 from keymanapp/fix/android/investigate-backspace

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fix(android/engine): Fix backspace on Android 5.0
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Darcy Wong 2021-09-06 07:57:07 +07:00 • committed by GitHub
commit 8d87a3340b
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1 changed files with 22 additions and 0 deletions
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22
android/KMEA/app/src/main/assets/keyboard.html
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@ -44,6 +44,7 @@
kmw['setActiveElement'](ta);
ta.readOnly = false;
checkTextArea();
// Tell KMW the default banner height to use
com.keyman.osk.Banner.DEFAULT_HEIGHT =
@ -343,6 +344,27 @@
return hexString;
}
/**
* Check the WebView version and determine if the textarea that KeymanWeb uses needs to be "visible".
* Normally, this textarea is not displayed to avoid redundant layout calculations.
* In older WebViews on Android 5.0 though, selectionStart and selectionEnd positions fail to
* update unless the textarea is visible.
* Reference: Issue #5376
*/
function checkTextArea() {
var uaRe = /Chrome\/([0-9]*)./g;
var chromeMajorVersion = uaRe.exec(navigator.userAgent);
if (chromeMajorVersion && parseInt(chromeMajorVersion[1]) <= 37) {
var ta = document.getElementById('ta');
if (ta != null) {
ta.style.display = '';
ta.style.position = 'absolute';
ta.style.left = '-500px';
ta.style.top = '0px';
}
}
}
</script>
<style type="text/css">
body {background-color:#000000;}