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POConverting View's touch location to WebView's HTML screen location
 

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    <p>I have a <code>WebView</code> that is displaying a local HTML page within the assets folder. The <code>WebView</code> is part of larger layout in an <code>Activity</code>. I'm trying to allow users to drag text from an <code>EditText</code> widget to an Input Element within the <code>WebView</code>. Everything works good except for converting the screen coordinates received by the drag listener to the screen coordinates used by <code>document.elementFromPoint</code>. They don't match up. It'll keep dropping text into input boxes which are further down then the users finger. Any help would be appreciated. Warning: my javascript knowledge is pretty pathetic.</p> <p>Basic flow:</p> <ol> <li>WebView's onDrag event catches the ACTION_DROP event.</li> <li>The event's x, y location is passed to a Javascript function</li> <li>The Javascript function finds element based on points and updates the value</li> </ol> <p>In my Activity:</p> <pre class="lang-java prettyprint-override"><code>private class OnWebViewDragListener implements OnDragListener { public boolean onDrag(View v, DragEvent event) { switch (event.getAction()) { case DragEvent.ACTION_DROP: String dropText = event.getClipData().getItemAt(0).getText().toString(); mJavaScript._dropText(mWebView, dropText, event.getX(), event.getY()); return true; default: break; } return false; } } </code></pre> <p>Javascript wrapper:</p> <pre class="lang-java prettyprint-override"><code>public void _dropText(WebView wv, String text, float x, float y) { wv.loadUrl("javascript:dropText('" + text + "', " + x + ", " + y + ")"); } </code></pre> <p>Javascript function:</p> <pre class="lang-js prettyprint-override"><code>&lt;script type="text/javascript"&gt; function dropText(text, x, y) { var elem = document.elementFromPoint(x, y); if (elem.tagName == "INPUT") { elem.value = text; } } &lt;/script&gt; </code></pre>
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