Android :: ImageView Pinch Zoom Scale Limits / Pan Bounds
Oct 7, 2010
I wanted to create an gallery with images.The images within the gallery should be zoomable and pannable. I could able to pinch-zoom an image but could not able to set zoom limitand prevent the image from being panned off the screen. I used the following code to zoom an image:http://code.google.com/p/4chan-image browser/source/browse/src/se/robertfoss/MultiTouch/TouchImageView.javaspec=svnd3e623ddeb6f9e97d9eba2c7aaa7c4567a3822b5&r=d3e623ddeb6f9e97d9eba2c7aaa7c4567a3822b5 First approach : I used TouchImageView to supply images to gallery, this allows me to pinch zoom but can't scroll the gallery. i.e I cant differentiate between 'single tab event' and 'tab to scroll event'
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Sep 28, 2010
How to set Max and Min zoom levels for Pinch-Zoom?
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Jan 22, 2010
Maybe it's just semantics, but I feel the need to see how others feel about this.I have always loathed the computer term "cut and paste" because you actually COPY and paste, at least that goes for 99.999% of my usage with those functions. So now the question is, do we apply the same reverse terminology to this fictional, mystical, function, that we have only seen in fuzzy Youtube videos? The reason I ask this is. the initial view of any web page that I visit, I see the whole page, and if I want to be able to read a particular column I would need to zoom into it, but here is where the terminology gets confusing, because in my experience with other devices that use such technology ie: iPod, to zoom in you actually use a stretch motion to zoom in, and a pinch motion to zoom out. I know semantics, you have to pinch to make it zoom one way or the other, but since the most commonly used zoom feature would be to zoom in, it should be called stretch-zoom instead. So how do you feel? Pinch-zoom Stretch-zoom or just plain old Multi-touch.
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Mar 11, 2010
How do I activate the pinch zoom in dolphin browser, when I try to do it like I used to on the Iphone it doesn't work. Is there anything I need to activate? Using mytouch 3g 1.2 running 1.6
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Nov 23, 2009
Spent 2 weeks poking around Android SDKs and sacrificed last two weekends and finally managed to get a relatively stable version today. Named 'xScope', I did put a $2.99 price tag tough if you please excuse me. I need to buy a bird for this thanksgiving and wife kept bashing my development effort for not doing any housework in the past weeks. The browser is not full blown but works great for simple surfing.
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Aug 19, 2010
I have lot of markers on my map. Zooming in each marker shows me a position. but zooming out the markers are overlapping each other and it is more difficult do determine the position of a marker.
Is there a way to scale the marker image depending on the zoom factor?
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Jun 17, 2010
Update (11/7): Calkulin has made a mod for the Evo!
http://forum.xda-developers.com/showthread.php?t=785271
Update: An XDA dev has made a permanent solution for Desire froyo ROMs. If anyone's interested you can follow his thread to see if it'll work on an Evo.
http://forum.xda-developers.com/showthread.php?t=786290
Update: A commenter on my Youtube video has found a fix!
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Feb 28, 2010
I think I read somewhere that the hardware is multi-touch capable.. so, pinch to zoom should be do-able with software, yes? Does anyone know (for sure) if the upcoming Android 2.1 release will bring that to the Moment?
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Aug 4, 2010
How to do Android 3D Application Pinch Zoom Pan Rotate?? can any one give me code for the same written inside ontouchEvent method
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Apr 15, 2010
I just wanted to know if there is some kind of class to use the multitouch features of android 2.1. Specifically I am trying to implement pinch-zoom and was wondering if I always have to measure the distance between two touch events and calculate the zoom level on my own?
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Aug 11, 2010
I'm building a mobile site and have the following meta tag set in the header:
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
Unfortunately, this isn't working on HTC devices (HTC Hero, etc) with Android 2.1. Any ideas on how I can disable pinch-to-zoom in this browser? Works fine on the iPhone.
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Feb 12, 2010
I noticed that about 35% of the time when I try to pinch/zoom it flat out doesn't work. The little +/- are there and double tapping works just as it did pre-update.
Is this happening to anybody else? Most of the time its perfectly fine but when it doesn't work it acts pretty much like it did before the update.
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May 10, 2010
I noticed my pinch to zoom isnt working today when surfing the web. Anyone else having this problem? Any thing I can do to fix it?
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Jul 16, 2010
Can anyone tell me how to pinch and zoom email on the HTC ?
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May 13, 2013
adding the pinch to zoom feature in all application. Does it exist ?
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Mar 26, 2010
In android, I defined an ImageView's layoutWidth to be 'fill_parent' (which takes up the full width of the phone). My question is if the Image i put to ImageView is bigger than the layoutWidth, android will scale it, right? But what about the height? when android scale it, will it keeps the aspect ratio? What I find out is, there is some 'white space' at the top/bottom of the ImageView when android scales an image which is bigger than the ImageView. Is that true? If yes, how can I eliminate that white spaces?
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Sep 1, 2010
Zoom works without any problem, but if I select any input field the webview zooms in automatically.
How do I can prevent this zoom behavior?
set fix zoom level?
scale back to previous zoom level?
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May 3, 2010
Is there something in the settings to change?
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Aug 15, 2010
My pinch to zoom does not work? Why?
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May 14, 2010
Is anyone else having extremely glitchy pinch to zoom on their Google map?
Double tap to zoom in works. I have Traffic Layered. My pinch to zoom is working for everything else like Sense UI.
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Nov 29, 2012
I was wondering why my pinch to zoom feature wasn't working, should I try and flash a differnt 4.2 zip?
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Sep 10, 2010
Pinch zoom is not working in the browser. Don't know if th is is a limitation of this ROM or some other issue.
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Jul 21, 2010
Has anyone experienced where multitouch (like pinch to zoom) doesn't work, until you restart your phone?
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May 15, 2010
Couple of questions about the GMail app on the desire. Firstly, does anyone know if there's any was of getting it to always show pictures for a given sender (like the web app)? I seem to have a decent connection most places, and get fed up of constantly having the press the button, especially as most of the emails I get are HTML type newsletters. And related to the type of emails, why doesn't the GMail app also have pinch to zoom when viewing the messages? They always come up huge and I have to scroll around. Can you at least change the default zoom. Failing that is there a another free email app. that will do these things.
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Feb 10, 2010
Here is a video of Sense on a Hero running 2.1.
Video: HTC Sense on Android 2.1 enable pinch-to-zoom on home screen
Go to 6:00min mark to skip BS.
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Mar 5, 2010
Why doesn't it work on the Eris (with 1.5) but works on my neighbors Hero?
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Jul 4, 2012
In my HTC sensation, I can, for example, open a news story on CNN and if the text was too small, I could pinch the screen jesture to zoom out then the phone would resize the font AND still keep the web page fitting on the screen.
Now, with my Samsung 3s, you can't do this. You can zoom, but the phone does not resize and ensure the page fits on screen. So, you have to read and pan around left, right, up down just to read.
I tried to load other browsers that claim to offer this zoom, resize, fit to screen feature, but none of them worked when loaded onto v4.0.4.
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Apr 18, 2010
I have used ImageView's before and understand the different scale types that can be set... However I am having an incredibly difficult time trying to get an ImageView to scale properly in the row of a ListActivity or an ExpandableListActivity.
I have tried setting the android:scaleType property to every single value but the image never scales down. I have set the min and max sizes as well and they don't seem to have any effect. I have done both of these things in both the XMl and in code to no avail...
Does anyone have any ideas or perhaps a workaround? code...
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Sep 23, 2010
I have a ImageView acting as a top banner on top of a webview. The image of this banner is created in execution time dependending on the resolution of the device. The height of the banner is always the same for each resolution. The only thing that changes is the width, which changes according to the orientation. But, since the width changes and the height doesn't, I end up having sort of 2 images with different proportion. And this is way the scale down/up won't work out for me.
Another problem is that everytime the user rotates the screen, the banner image is created again but Android seems not to update the image and thus I have a banner missing part of it.
I thought about having a real big image that will fit for both landscape and portrait orientation. But this seems not to be a good idea since Android keeps resizing the image everytime so it will fit on the space of the ImageView.
I'm running out of ideas here. Can someone suggest something?
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Nov 20, 2010
This is to confirm that we are working on enabling Pinch Zoom for the XPERIA X10. The work with this has progressed and the plan is that this will be enabled through an over-the-air update of the X10 that for most markets will come in Q1 2011. For more information on background and what to expect please read the corresponding blog post at http://blogs.sonyericsson.com/product...
This is SE official announcment about multitouch, and few month ago they say that it was not possible, but now they say that X10 support this. What to think people some alliens fly down and changed our mobiles or SE was able from the beggining to make multitouch and he didn't wanted. E SE lovers and Moderators of this forum i am waiting for comment from you pleasee......
If you dont beleive me here is the link [url]
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