Android :: Imageview OnClick Animation
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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Aug 5, 2010
I have 3-4 activities in the application and all of them have some event listeners that work nicely.
However only on one activity i simply can't get the event handling to work.
I tried the solution from this thread:http://www.anddev.org/view-layout-resource-problems-f27/ontouch-not-called-t16578.html
It doesn't work for me. I tried to manually set OnClickListeners for ImageViews from java code, android:onClick from XML.
It seems that some other component handles all the events, or my activity doesn't have some permission to handle events.
Should I put something in the AndroidMainfest.xml for my activity that enables handling events?
Hope someone has the idea what should i try, here's the code:
Activity:
CODE:........
Layout:
CODE:............................
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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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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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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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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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Nov 17, 2010
I'm fading out an imageview with alpha animation. I'd like the image to stay transparent after the animation. Tried with different combinations of fillAfter and fillEnabled, no luck. How can this be achieved?
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Jun 15, 2010
I have a listlayout with items in it that looks like this:
There is first an ImageView (the light) and then two textViews. All of this inside a TableLayout. (source here: http://code.google.com/p/switchctrl/source/browse/trunk/android/res/layout/device_switch.xml)
I want to have a rotating animation of a loading indicator Ontop of this light when this particular device (light) performs an action or an action is performed on it.
How do I put an animation ontop of this light imageview?
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Aug 30, 2010
I have a strange issue - from time to time the animation that should fade out my control (ImageButton) does not kick in immediately. I am using the fadeout animation to hide it and then in myListener on its end (onAnimationEnd) I put new resource as the image on the button.
Somewhere in my app code:
Animation a = AnimationUtils.loadAnimation(this,R.anim.fadeout); a.setAnimationListener(new myListener(location)); buttons[location].setAnimation(a); a.startNow(); // regardless if its start() or startnNow() it will work in most of the cases but not 100% reliable I actually can see in debug Log when its late, happens after few more clicks
Then in myListener.onAnimationEnd(Animation a):buttons[location].setImageResource(R.drawable.standard_button);
Seems there is a rule that the every 4th or 5th animation does not start ...
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Jul 29, 2010
Is it possible in Android to get a callback when a Frame Animation (AnimationDrawable) has completed playing its frame sequence? I know when a Tween Animation has completed, it calls onAnimationEnd(), but is there something similar for frame by frame animations?
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Nov 26, 2009
just a short question for a better understanding: I'm developing an app based on the Android 1.5 Framework (with compatibility down to 1.1). But now I read about the new way of implementing click-handlers in Android 1.6 on the Android Developer Blog and I'd really like to use that in my app because it makes developer's life so much easier :) But can I use this (and the 1.6 Framework) without losing backward compatibility to 1.5 and 1.1? Best regards and sorry if this question is dumb [I just didn't find anything via google]
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Aug 24, 2010
I know how to set a listener for.. let's say a button or a editext so that when clicked some action happens:
buttonOReditextl.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Action goes here } });
how can I set a onClick event for when the user taps/ clicks on the screen? or the surface.. I'm not sure? I want a picture to be taken when the camera is on.. but don't know how to make a listener to all the camera view instead of having a button to take a picture.
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Feb 25, 2009
I have a checkboxpreference called passProtect. When the user clicks on it, I want it to run a method "someMethod". How do I get it to do that?
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Oct 22, 2010
I want to simulate an onClick event or some of the other keyboard events, etc. is there a general framework to do that?
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Sep 7, 2010
I have some dynamic buttons that are being generated inside a for loop. for (int i = 0; i < 5 ; i++) {> Button aUIXButton = new Button (SecondPage.this);
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Jun 28, 2010
I am trying to create a list view where each item will open up a new view and display a picture and text describing the item when said item is selected. I am working with this tutorial novice-tutorials-f8/opening-windows-i-e-webbrowser-reacting-on-clicks- t22.html?hilit=reacting%20on%20Clicks
so is there a way i can use this code to open up a new view
[code]@Override protected void onListItemClick(ListView l, View v, int position, long id){ super.onListItemClick(l, v, position, id);
// Get the item that was clicked Object o = this.getListAdapter().getItem(position); String keyword = o.toString();
// Create an VIEW intent Intent myIntent = null; // The intent will open our anddev.org-board and search for the keyword clicked. myIntent = new Intent("android.intent.action.VIEW", Uri.parse ("" + keyword + "")); // Start the activity startActivity(myIntent);}
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Sep 1, 2009
I have a DialogPreference in my Preference Activity and would like to know which button was pressed. I have implemented the OnSharedPreferenceChangeListener which does not seem to get triggered when the DialogPreference is selected. I have also tried OnPreferenceClickListener but this gets triggered as soon as the DialogPreference is clicked from the main screen and not when one of the actual dialog buttons was pressed. I think I need to implement onClick for this dialog but I am not sure where to do this. I have looked at the API Demo code and it shows how to create the dialog but not how to determine which button was pressed.
public class Preferences extends PreferenceActivity implements OnSharedPreferenceChangeListener {
private static final String LOG = "test"; private DialogPreference mfactory;
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ....................
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Jul 30, 2010
I try to call inside onCreate() it is ok but not onClick(). How to make it work?
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May 20, 2010
i want to add a marker to a position int the map ,so i add a image through canvas by overwrite overlay .But i want to get the other activity through clicking the image,who can tell me what can i do?
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May 21, 2010
In onclicklistener onclick. how to get the x and y coordinates where its clicked.
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Oct 6, 2010
I have been teaching my self to "code" in the android language and java over the past few day. So I am new to this so please be patient.
Basically, my problem is I am trying to get a button on my form to open a web page.
Here is my java file.
Code:
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Jul 27, 2010
CODE:...................
The circle not show.....but when i put the DrawO() next to mSurfaceHolder01.addCallback(EX10_04.this);
It draw a circle!
If i want to draw a circle in the onActivityResult event
What shuld i do?
Or if i can pass uri to onClick function ?
CODE:..................................
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Sep 17, 2010
I have two onclick method in android project
CODE:...............
And i have onther onClick method in which i have to call that method directly
CODE:..............
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Nov 23, 2010
I have an Activity that implements a Gesture Detector to catch the user fling input for navigation to other screens. That was working fine - but - I recently updated a class that derives from my BaseActivity to add an onClick function and now that click event seems to block the onFling from being hit. The onClick is tied to a TextView area (in a LinearLayout) I have on my screen. The resultsClick method is wired to the TextView using its onClick property in the XML layout.
I've tried changing the return values in onSingleTapUp and onDown without luck. I've also tried adding log statements to all the functions below as well. None of them fire when I fling in the TextView area but they do on other areas of the screen.
Maybe I am using the wrong search terms, but I couldn't seem to find an example that addressed this - yet I'm sure this problem has been solved before.
CODE:.........................
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Feb 15, 2010
I am facing issue that when i click on edittext its width gets changed i want to fix its width according to screen so that it covers whole screen and then button at right side of it.
Here is the code:.........................
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May 24, 2010
I am creating lists in my android app and would like to capture the text of the list item that is clicked but I want to do it in a seperate function so I only have to write the code once. And I want to be able to compare the string to another sting.
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Jun 25, 2010
Is there a way to have 1 onClick Lister for many buttons where I can toss a case statement to do things based on what buttons were clicked.
I know I can make 100 different listeners for 100 buttons but I have to think I can create some nifty variables to do it in less lines of code.
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Sep 3, 2010
My Activity onClick() below doesn't appear to be doing anything (not seeing any string appear), yet I dont get any errors. What am I missing?
Is there a way to trace the function?
CODE:..........................
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