Detecting pinch-zoom in firefox on android

Solution: I inserted a (hidden) div with width:100%.
And a function that regularly monitors this div's width.
- When the width in pixels changes, zoom has changed
(or orientation or screen size.. whatever): call myResize().
Demo: http://krydster.dk - Crossword puzzle game (danish).


Related to : Detecting pinch-zoom in firefox on android
Handling multiple touch in android such as Pinch In and Pinch Out
So , you need to use a GestureDetector. Whatsoever you need to do with that pinching out and in, you can most likely do with a gesture listener. Check out this link and take 5 minutes to read, your answer is there for sure: http://developer.android.com/training/gestures/detector.html Just for the record:I have been using GestureListener recently ,so it's a "sure thing".
Pinch Gesture Recognizer resets image on second pinch zoom
you can try this @IBAction func scaleImage(recognizer : UIPinchGestureRecognizer) { if let view = recognizer.view { view.transform = CGAffineTransformScale(view.transform, recognizer.scale, recognizer.scale) recognizer.scale = 1 } }
Five Finger Pinch to Close (Pinch to Home) Black Screen
Any change your app uses -drawViewHierarchyInRect:afterScreenUpdates:YES anywhere? I'm seeing the same issue when using that API. It seems like there are quite a few GPU bugs related to setting afterScreenUpdates to YES. Changing my app to use renderInContext (cpu instead of gpu) fixed the problem, but doing that introduces other issues, so it's a toss up.
UIScrollView. How do I disambiguate between pinch-in and pinch-out zooming?
You have two options: (1) Using UIScrollView. You'll need to implement UIScrollViewDelegate. There, in scrollViewDidZoom:(UIScrollView *)scrollView, you can compare the current zoomScale value with the previous one. If it increased, then the user is zooming in. Otherwise, the user is zooming out. Then you can do something depending on that. (2) Using a UIPinchGestureRecognizer. The logic in this
Detecting Extensions enabled in Firefox using JS or PHP
This depends on the extension. Some extensions actually modify the html/dom of your page so you can easily identify them. like InFormEnter: This extension creates img elements which you can identify using jquery: if ($("img.ife_marker").length > 0) alert("InformEnter installed!"); But only a few do this, and you can only guess the behaviour (or fork the extension to add something like this

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