Android :: Change ImageView After Few Seconds / Solution For That?
Sep 18, 2010
I'm trying to implement a simple activity that will let user to insert a password.
I've a gridview with the 9 images to use and 4 imageviews that will be the selected images (on clicking on item on gridview, the corresponding image will be filled with the selected one).
Now the problem: I want that the 4 imageviews acts similar to password fields: for 1 seconds appears the selected item and then another image...
I tried using asyncthread but I got and error: Only the original thread that created a view hierarchy can touch its views
Here my code...
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Jan 15, 2013
I would like to ask if it is possible to make app that would run on background and would change time on my device every few seconds. Lets say every 5 seconds change time by 3 hours (forward).
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May 25, 2009
I'm experiencing some sort of problem. Let's say I have a MediaPlayer object wich can play an audio sound and a Resources object Code....
So when I invoke mp1.start() , sound1 plays, everything's normal.
But when I try to change the sound that my MediaPlayer should play, it doesn't work, here is what I do code...
I'm pretty sure someone can see a mistake in my code.
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Apr 27, 2010
how can I change the background of an ImageView from java? I have an ImageView and at a certain point I need to change the image that it displays (set in the styles).
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Aug 2, 2010
I want my arrows to continuously move left and right with a delay of certain milliseconds dynamically. Any clue?
Here's my code...
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Sep 29, 2010
I download some data from internet in background thread (I use AsyncTask) and display a progress dialog while downlaoding. Orientation changes, Activity is restarted and then my AsyncTask is completed.I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog sometimes throws an exception (probably because the Activity was destroyed and new Activity hasn't been started yet).What is the best way to handle this kind of problem (updating UI from background thread that works even if user changes orientation)? Did someone from Google provide some "official solution"?
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Aug 16, 2010
I am working on changing the image being shown when I have my ImageView Clicked. I am trying to use a similar code that I used for accomplishing this with a TextView but I can't seem to find the right terms to get it to work. Here is my current code:
electronconfiguration.setOnClickListener(new View.OnClickListener() {
public void onClick(View drawable) { if (drawable.equals(R.drawable.element_el))
electronconfiguration.setImageDrawable(R.drawable.aluminum_el);
else if (drawable.equals(R.drawable.aluminum_el))
electronconfiguration.setImageDrawable(R.drawable.element_el);
} } );
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Oct 14, 2010
I have an ImageView that contains a bitmap. Now the bitmap can change size within a known range. This makes the surrounding views to relocate which I want to prevent. I've tried setting margins and padding for the ImageView but without success.
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Jun 6, 2010
Is it possible to change the orientation of an ImageView to be always PORTRAIT, while the other views in the activity can rotate? Since images don't always look good when rotated.
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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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Sep 23, 2010
The closest example of what i want to accomplish is the "Engadget" widget. It updates it's data from the internet every 5-10 minutes and "scrolls" to the stories every 5-7 seconds. I imagine it sets the 5 -10 minutes interval to the widget's provider to call the onUpdate without the inbuild limitations , something like that. AlarmManager alarms = (AlarmManager) getApplicationContext().getSystemService(Context.ALARM_SERVICE); alarms.setRepeating(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime(), updateRateSeconds * 1000, newPending);
Then the real issue.. to update the widgets content without calling onUpdate....................
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Aug 17, 2010
I'm using traceview to identify bottlenecks in my app. If I use the emulator, everything works fine. But when the device is used, no matter how long I run the app, traceview only gets the initial 5 seconds of my session and nothing more. I also noticed an error message in the console: Traceview: (<unknown>:10301): GLib-WARNING **: g_set_prgname() called multiple times. Have you ever experienced this problem?
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Jul 23, 2010
To be able to do some accurate calculations that I want for my app, I need to be able to get an accelerometer reading every 100ms. I haven't found a way to do this on android, it seems like the only way to get accelerometer readings is to put a listener that can listen at different intervals. Basically, is there a way to get a reading at exact intervals?
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Aug 11, 2010
How do I know the file size in seconds mp4?
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Sep 26, 2010
I want to call my asp.net webservice for every 50 seconds (for different methods) .How can I achieve this...
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Feb 25, 2010
There are so many Date-classes (GregorianCalendar, Calendar, TimeZone, Date,.....), I lost track.
How can I get the seconds now since 1.1.1970 as "long" in Android?
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Jul 14, 2010
I tried with threads, but android throws "CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.".
So how can I wait 3 seconds and then hide the view, letting the GUI responsive?
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Jan 27, 2010
Currently the TimePicker view shows only hours and minutes by default and I am retrieving the values using getCurrentHour() and getCurrentMinute(). Is there a solution to add seconds to the TimePicker view?
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Dec 7, 2009
This is weird and hopefully only a Moto Droid or local tower problem.
There is a difference of 15 seconds between my Droid's idea of time and UTC/GMT. This supposedly can't happen as cellular communications rely on 10ms accuracy and the Droid internal clock is set by cell towers.
I'm looking for some other Moto Droid developers to take a look and report if there is any time offset in their area. I've written a test app and posted source and apk at http://a9k.net/#droid . There is a screen shot there. It's very basic - show internal time (both System.currentTimeMillis() and Calendar.getInstance()) and show web page at www.time.gov.
Another simple test is to compare the phone's time to a computer that is synchronized to a net time server. You'll need to check seconds or watch for a whole minute. The minutes will not be equal from 45-59 seconds UTC.
The repercussions of an error in setting the internal clock could be extensive. Then again maybe Verizon towers here are whacko in MT?
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Mar 29, 2010
I have to display some data after every 10 seconds. Can anyone tell me how to do that?
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Mar 13, 2009
i am having a force close Dialogue msg for few seconds when i run my application. can anyone tell me why is that and how can i resolve it. do i need to use thread to start my main activity?
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Aug 21, 2010
I have an extended dialog class that I want to show for 3 seconds then disappear.This works great the first 2 times it's called, but then it crashes my app after that.Admittedly, I'm not the best with threads and I think that's where my problem might be.As you can see from the code below (commented out section), I tried using a cancel event to kill the thread that is spawned, but that makes it crash the first time it's run. I've also tried doing all of this on the parent class' UI thread which yields the same result as this (crashes after 3 times displaying the dialog).
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Jun 11, 2010
I am facing a weird behavior these days with my new HTC legend. My ringer volume gets muffled automatically after 5 or 10 sec on getting a call. I have already disabled "quiet ring on pick up" feature. Then also this problem is coming up. I have googled this n come to know that i am not the only one. Some folks have found a workaround that if they choose "WCDMA only" network in network settings then this problem is not there. But I don't have 3G connectivity in my area. What should I do? I have note down the logs just after this problem. It shows some errors:-
W/CallNotifier(144)
CallerInfo query took too long,manually starting ringer
CallerInfo query took too long,falling back to default ringtone
E/jBtlAgHandler(144)
"JBtlAG context is disabled"
E/BT HS/HF(144)
mjBtlAgHandler.sendRing() failed
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Nov 24, 2010
Have to create thread and run it for 5 seconds, then I want to stop. How can I do that? I can't do anything with time/milliseconds.
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Dec 10, 2009
Is there a way to have the clock show seconds, along with minutes & hours? If not, does anyone know of a third-party widget/app to do this?
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May 27, 2010
Not sure where to put this one folks but here goes. I loaded HTC Sync to my PC the other day and ever since the hourglass pops up about every 4-5 seconds on my computer. It's like there's a process that keeps starting up and shutting down and it's screwing with my PC like no other. Well, using Task Manager, I was finally able to track it down to a process called "FsynSrvStarter.exe". Took me forever to figure it out b/c it only displayed for a fraction of a second, then disappeared again. Once I got enough the name to do a Google search, I found a few forums where it had been identified as a glitch within the HTC Sync software. I had just done a Windows update and was attributing it to that!
Bottom line, I had to uninstall HTC Sync in order to rid my machine of the problem which was fine b/c I really loaded it for the drivers anyway. Just wanted to get this out there for others who might be experiencing this issue. I'm not sure if it's specific to Windows version or not but I'm running XP32 SP3.
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Jan 12, 2010
Starting today, when I try to add a calendar entry to the Droid, it appears, then about 10 second later fades away! The existing entries are fine. Any clues? Not a syncing issue.
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Jan 13, 2010
I'm trying to figure out if its possible for programmers to build an itunes client app for iphone or android where the user has the option to browse and listen to the song preview, something similar to this page: itunes link maker...
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Apr 14, 2010
Sudoku Solver can solve any valid Sudoku puzzle in seconds? Version 1.1 just released. Update includes highlighting for invalid input. Free download on Android Market:
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Nov 14, 2010
Java/android how to start an AsyncTask after 3 seconds of delay? how i can do that?
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