Android :: Create Repeated Rotate Animation And Apply It To ImageView?
Jan 9, 2010
I've created a layout with an image view and a web view. The web view is set to have a default visibility of gone. When the activity fires up it displays the image view first and when the web view has finished loading its url, it marks itself as visible and the imageview is marked as hidden.
When the imageview is shown, I would like it to rotate repeatedly just for a little added pizazz.
I have never done animations before in Android and all the posts I found when I asked the internet were not helpful; thus, I have returned to SO for help.
So if I start with this...final ImageView splash = (ImageView)findViewById(R.id.splash);
How do I create a repeated rotate animation and apply it to the ImageView?
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Jul 18, 2010
I'm trying stuff with android animation and I would like to know if there is a way to execute some code every time an animation is repeated? I looked at the google doc but didn"t find any method to do that...
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Feb 3, 2010
I have a layout with an image on it (embedded in an ImageView). I need to rotate the image (let's say) 90 degrees CCW. I've written code to animate the image rotating. The image smoothly rotates 90 degrees, but then snaps back to its original state. This is what the Android documentation says will happen after an animation completes. Presumably, on the notification that the animation has ended, I'm supposed to transform the ImageView (or the underlying drawable), and possibly invalidate it to trigger a redraw. All well and good, except that I can't find a way to do it, and I can't find any examples of anyone else doing it. I tried using getImageMatix/setImageMatrix on mImageView, with no apparent effect. There are subclasses of Drawable that will rotate an image, but there is no setDrawable() method on ImageView, so I don't see how to use one.
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Mar 26, 2010
I am trying to make an imageview that rotates while sliding across the screen. I setup a rotate animation for 180 degrees, and it works by itself. I setup a translate animation and it works by itself. When I combine them I get an imageview that makes a big spiral. I would like the imageview to rotate around the center of the imageview while being translated. code...
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Jun 23, 2009
Can you advise me how to apply view transition animation. ex: when i click on an list item my contentview changers. I want to apply a transition animation in that.
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May 25, 2010
I am adding a glow animation effect to a logo. So far, I have managed to get the glow image behind the logo, using a LayeredDrawable, but I can't figure out how to animate it. I have found that AlphaAnimation would achieve the desired effect, but unfortunately I can only apply it on Views, not Drawables. How can I achieve this effect?
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Jul 14, 2010
Is there a way to apply a color to an alpha animation in android? I know how to use the <alpha> element, but i'd like to have the alpha apply a color as well as an alpha so i can hightlight a layout. is this possible?
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Jul 6, 2010
Is there any way to apply an animation to a property of a view? currently, the only animation i am aware of is applying an animation to an entire view. i'm wondering if i can apply an animation to a property (i.e. layout_width for example)
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Aug 6, 2010
Does anyone know if it is possible to apply a frame animation (using an AnimationDrawable) onto a custom button or a toast view? I have posted these questions on Stackoverflow but have received no responses and very few views so I thought perhaps posting to this forum would be a better route. Let me know if this "double posting" is bad form.
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Sep 23, 2010
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to different sizes depending on input from the user. My layout is defined in XML. This seems like an easy task, and there are lots of SO questions regarding this though none which solved my problem, obviously. So perhaps I am missing something obvious. I get a handle to my view by: ImageView myView = (ImageView)getWindow().findViewById(R.id.MyViewID);
This works fine, but when calling getWidth(), getHeight(), getMeasuredWidth(), getLayoutParams().width, etc., they all return 0. I have also tried manually calling measure() on the view followed by a call to getMeasuredWidth(), but that has no effect. I have tried calling these methods and inspecting the object in the debugger in my activity's onCreate() and in onPostCreate(). How can I figure out the exact dimensions of this view at runtime?
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Oct 6, 2010
I have implemented rotation of a custom view which runs perfectly on Emulator,but the screen goes blank without any error. When i disable the animation in code[commenting the lines] the view appears on device.
Please help me out. if there is any fox for this.
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Nov 19, 2012
i need to apply translate animation from one geo point to another geopoint with some duration.when i doing this, the map is animating but getting white space in some part of the screen where the animation occurs.I think this is because of clipping of the map before animation occurs. During animation is running the entire mobile screen is covered with map is required.
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Feb 13, 2012
I have a question: Is there any way to have such a thing: [URL] ..... in Xperia Play 2.3.4 gingerbread?
I do not want custom room... I would prefer apk or package for flashing .
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Sep 15, 2010
Does anyone know of an animation/method that can rotate an image around smoothly to face a point, such as where the user is touching?
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Feb 24, 2010
I have a ImageView that needs to be slide in from the bottom. Remain there for 5 sec. And then slide out. How do I do that? There is no user intervention.
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Feb 16, 2010
I guess this is kind of an odd question but i have tried setting onClicklistener on an ImageView and it has worked. But the problem is that the user cannot sense the click. I mean if some of u have worked on other mobile environs(like apple iphone) then wen we click on a Image in other environs then it gives an effect on the image so that the user can understand that the image has been clicked.
I have tried setting alpha using "setalpha" method but it doesnt work. Though the same thing is working fine on onFocusListener implementation. Can some1 suggest a different way to modify the image on click...
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May 12, 2009
I want to be able to make an imageview move from point a to b while going through several different views. For example, say I have a table layout, is there any way an imageview can move from the topleft cell to the bottomright cell? Everything I tried seems to indicate that an imageview will only be shown in it's own container - none of it's parents, siblings or children will show it. Is that correct? is there any way around it? like creating an overlay or a transparent canvas on top of the entire thing so I can do it?
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Oct 12, 2010
I have an ImageView on which I have applied rotate animation. Since I want the rotation to go on continuously, I gave the repeatCount as infinite in my rotate.xml
android:repeatCount="infinite"
In onCreate(), I load the animation and start it.
Animation myAnim = AnimationUtils.loadAnimation(this, R.anim.rotate);
objectImg.startAnimation(myAnim);
When a button is pressed, the rotation must stop. Hence in my onClick(), I called clearAnimation().
objectImg.startAnimation(myAnim);
My simple doubt is whether it's the right thing to do, to stop the animation?
I assume clearAnimation() is to loadAnimation(), but there is no stopAnimation() corresponds to startAnimation().
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Jun 19, 2010
I am new to Android app. development. I need to change the existing style at runtime or can create new styles at runtime and I need to apply it for my buttons and textviews.
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Jun 11, 2010
I'd like to make an Android app that lets a user apply cool effects to photos taken with the camera. There are already a few out there, I know, but I'd like to try my own hand at one.
I have been googling and stack-overflowing, but so far I've mostly found some references to published papers or books. I am ordering this one from Amazon presently - Digital Image Processing: An Algorithmic Introduction using Java
After some reading, I think I have a basic understanding of manipulating the RGB values for all the pixels in the image. My main question is how do I come up with a transformation that produces cool effects?
By cool effects I mean some like those in these iPhone apps:
I already have quite a bit of experience with Java, and I've made my first app for android already. Any ideas?
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Nov 24, 2010
I have an ImageView that is defined in the following way.. Now after downloading a new bitmap I change the drawable. The image now appears in the top left corner of the ImageView. Is there a way to have the image fill up the whole height that is possible and then adjust the width of the view to enable scaling the image without changing the aspect ratio?
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Jul 20, 2010
When I type ImageView or AnimationDrawable I get a string of errors proclaiming:
AnimationDrawable cannot be resolved to a type.
line 14 Java Problem
I don't understand, do I need to create another class? Or do the AnimationDrawables just not go in the filename.java?
And if I do need to create another class, can you show me how?
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Jun 8, 2010
I'm looking for an easy way for the user to see how many drinks they've had for a BAC calculator.
PICTURE OF THE APP, for reference
On button press, I would like an image to be added to the screen, directly under the spinner and with left alignment. When I press the button again, I want another image to be added to the screen.
So if I pressed the add beer button, a drawable of a beer would appear below the spinner. If I pressed the add beer button again, I want there to be TWO drawables of beers under the spinner, preferably with them being added from the right.
(Also, having them reach their width limit, wrapping around, and starting again on the left, but below a full line, would be AWESOME)
I can't figure out how to do this. I assume adding a ImageView in code to a relative layout (because it needs to be positioned to the right) would be the best route, but if it's possible in xml I'd be more than happy to use that.
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Jun 30, 2010
The following code executes a function that retrieves a file via ftp and then displays it in an imageview. Since I'm using the main thread the UI locks up, somebody tells me I can use asynctask to make this work but I can't figure it out :<
Is anybody familiar with this that could offer me some guidance? code...
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Jul 29, 2010
I need to create an animation - Flip a view and show another one. The width of currently shown view is decreased slowly to zero and after that the width of the view-to-be-shown must be increased from zero. During this time, the height goes from the currently-shown-height to slightly-decreased-height and back again.
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Feb 18, 2010
I've created an application that show around 250 images in ImageView. Images are loaded one after another, 15-30 images per second. Basically the whole thing gives an illusion of a rotating 3D object, at least it should.
The problem is next, app hangs when loading certain images(i.e. I see a few seconds of fluid animation and then animation hangs, jump 10-15 frames(images) ahead and continues. It always happens at the same places in animation cycle.
I though that Android might not have enough resources to handle something like this, so I've resized images to half their size, but it did't help. I've tried buffering images but that did't help either(actually, maybe a little, I think that animation looks a little bit smoother).
And now the weirdest thing. I use the touch screen to allow users to "rotate" the 3D object on those images, and while rotating I again experience those hangs at exactly the same places as with the animation.
All images are in .png format and their size vary from 15kB to 40kB.
I use the following code for the animation:
CODE:.....................
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Jul 22, 2009
there are a board (8 * 8) and a ImageView (A). for example, i want to move A from (0, 0) to (0, 1) to (1, 1) to (1, 2) step by step. i tried TranslateAnimation. but i failed. 1. it cannot be step by step. it only show the last step. 2. it cannot stay at the last point (1,2). it always translate back.
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Dec 30, 2013
i know how to create bootanimaton.zip file but i want to know how do you create animation frames for that zip file
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Oct 10, 2009
How can I create a Slide-Bottom-To-Top animation when close/stop an activity in android application?
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Oct 25, 2010
Anyone has idea how to create animation from top to bottom for List View with increasing the height of each list item view ?
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