Android :: Splitting GIF Into Frames
Jul 22, 2010
Trying to play animated GIFs on Android here
(see http://stackoverflow.com/questions/809878/android-how-do-a-display-a-large-animated-gif-given-a-url).
It's anything but smooth. On Android 1.5, the Movie.decodeStream()/decodeFile() returns a null. On Android 1.6, with the GIF files I've got, it returns a zero-sized movie with zero duration - clearly not adequate.
The referenced question suggests splitting the GIF into frames (and then rendering these). How exactly do i accomplish that, please? Tried opening one of my GIFs with GNU giflib in Windows. It choked on the very first frame. The GIF itself is all right, all browsers (save Android's) display and animate it fine. Worked with giflib 4.1.4. Not sure what was broken in 4.1.6, but there you go. Next step: build giflib for Android via NDK, somehow integrate with the Bitmap class. giflib it is. In conjuction with Bitmap.copyPixelsFromBuffer. The colors are all askew right now, but the basic design seems workable.
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May 26, 2010
I need to split the Android screen into two parts and run 2 applications (app A and app B) simultaneously. App A will run on screen 1 and App B will run on screen 2. Both are visible to the users. I need to implement this thing in the Android Framework. I do not know much about the android framework and this is urgent and should be done on android 2.1. Is this possible, if yes please explain the procedure to achieve this.
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Dec 27, 2009
I'm new to Android. As a learning case, I'd likr to build a software which divide the homepage screen to two screens. The upper screen will displays an
updated whether data of a pre selected city, actually, airport. and the lower screen will display the regular homepage screen.
How it can be done?
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Feb 2, 2010
I have an app that runs on a closed network with no Internet access. I connect to it through WiFi. My app also uses Google Maps. Is there a way to make the MapView still pull from my 3G connection while the rest of the app uses the WiFi? The issue is once connected to the WiFi, maps tries to pull from the Internet and can't get there so my MapView is always blank.
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Nov 5, 2010
I just found after 2 hours of debugging my code for errors that TextUtils.split(String, expression); does not work correctly when I use pipe "|" as the expression. Am I wrong in understanding the method or is this a bug?
It works fine when I give it as a pattern ie., [|].
I also tested it using a few other seperators and they seemed to work fine.
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Nov 17, 2010
I have an Android TextView displaying some text, and it's multi-line. However, in the text, I sometimes have domain names; how can I stop the TextView from splitting the lines up on the periods in them?
Is there a Unicode non-breaking-period, for example?
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Jun 15, 2010
HTC Incredible came pre-loaded with Photo Frames Widget.It shows a full page frame with your photo albums and you can swish between photos while viewing your home page. While using ADW Launcher, I no longer get that as a choice to install any one know of another app that's similar? Or a way to get the HTC apps used on ADW Launcher?
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Nov 11, 2010
Is there an app that lets you view your frames per second in real time in video games and emulators?
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May 20, 2009
I´m trying to capture frames from a video file, but I don´t know how to do it. Are there any classes like FrameGrabbingControl (in JMF) for Android? Is it possible with MediaPlayer and MediaRecorder classes?
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Dec 31, 2009
I am trying to decode and obtain all frames in a video stream, each of which would be processed by a native signal processing engine and re-encoded back to a MPEG4/MP4 file. I noticed that there was a getFrameAt() function in earlier versions of SDK but its not available in v 1.6 on which I am working. As I am fairly new to Android, I would like to know from more experienced people around here as to how I can extract video frames into a buffer for processing.
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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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Aug 25, 2010
I've been trying to make a simple live wallpaper out of a boot animation. So basically i have about 50 .pngs in my drawable folder. I'm able to set the animation to about 10-20 frames and it works great. But once i set it to about 30 frames...I get an OutOfMemory Error. I was hoping maybe someone could take a look at my code and maybe give an example of how I could achieve more frames? That would help so much i've been looking at this for hours > <
Here's my code:..................
And here's a logcat if that'll help at all:
CODE:...............
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Feb 3, 2009
I would like to know how to read in an image file which has multiple frames in it. Something like an animated gif file. I would like to perform frame by frame animation with a file of this type. I don't want to have each frame as drawables in the resource directory. Can anyone throw some light on how to perform the above mentioned tasks.
P.S - I have already checked the example in the API demos where an animated gif is read as an object of type Movie. I don't want to read it in as a movie file.
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Feb 1, 2010
I would like to know if it is possible to remove one of the frames I added using addFrame in Android?
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Sep 7, 2010
I want to display animated gifs in my aplication.
As I found out the hard way Android doesn't support animated gifs natively.
However it can display animations using AnimationDrawable:
http://developer.android.com/guide/topics/graphics/2d-graphics.html#frame-animation
The example uses animation saved as frames in application resources but what I need is to display animated gif directly.
My plan is to break animated gif to frames and add each frame as drawable to AnimationDrawable.
Does anyone know how to extract frames from animated gif and convert each of them into Drawable?
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Jul 31, 2010
I am writing an app to capture the camera preview frames and convert it to bitmap in Android.
Here is my code:...........
After I start preview, the callback got called with data, but the bitmap is null.
What did I do wrong when convert the byte array to BitMap?
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Apr 10, 2009
So with Cupcake looming, does anyone know what kinda Frames per second the video recorder will have?
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Dec 5, 2010
I have built a face detection app where I get the frames from onPreviewFrame, do the face detection and then draw a circle on a canvas above my surfaceView. The problem is frames are automatically displayed using the surfaceview thread when Camera.StartPreview() is started. This is obviously necessary for the PreviewCallback to kick in. As the processing, face detection and drawing, is done in a separate thread(I am assuming here), there is a 2 second delay between the frame being displayed and the result of that frame being processed and drawn on the canvas.
What I want to do is stop the camera preview displaying the frames and display them myself after processing. I believe this has three benefits:
The delay with disappear.I can draw straight to the bitmap instead of on a canvas which is useless as you can not undo what you have done.It will keep memory consumption low by not having two threads using the same image.
I've read that it is possible to display frames from the previewCallback, how to stop the frames being displayed automatically?
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Jan 14, 2012
For 2D or 3D applications (like GTA III for instance), I would like to be able to tell what FPS the game is running at pretty much for benchmarking purposes.
A game called osu!droid can show FPS in the bottom right corner, but this option can be enabled or disabled via it's options:
I would figure Android SDK for Windows to have some sort of way to see this, but I couldn't find anything. If there is a way to display FPS via the SDK (or maybe an app).
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Mar 16, 2010
I have a project that requires a view to be animated whenever the user performs a certain action - perhaps twenty frames or so, with a total duration of a second. There's more work required than just updating the view, so the animation classes are not helpful.
Right now my test program uses a very simple method: I have a handler that is called to start the animation. The handler's handleMessage() method calculates the new frame, invalidates the view, and calls sendMessageDelayed(obtainMessage(0), 50); However, the animation isn't smooth - especially, for some reason, in landscape mode. Portrait mode seems much better (on a G1, if it matters).
This suggests to me that this isn't the right way to... handle... this problem. What would be a better way? Calculating time deltas? Starting a new thread whenever the animation starts and having it repeatedly calculate and invalidate instead of relying on the handler, even though it means creating and destroying a new thread every time? (most of the time the program is idle; the user interacts with it every few seconds, typically). Starting a thread and leaving it running?
Whether that's the right way or not, what's the most accurate way on Android to measure time, and to sleep for a specific duration?
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Jan 26, 2010
Possible Duplicate:
Getting frames from Video Image in Android
I wanted to know if it is possible to extract frames from a running Video in Android? I need to extract frames at regular intervals and send them for further processing.
Would someone be able to find an answer for me?
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Oct 19, 2010
today i meet the problem.i need technic can control the android machine from server.then i want send data from server to android with no request from android.
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Apr 14, 2010
I'm trying to open a dialog window, but every time I try to open it it throws this exception:
CODE:.................
I'm creating it by calling showDialog with the display's id. The onCreateDialog handler logs fine and I can step through it without an issue, but I've attached it since it seems like I'm missing something:
CODE:............
Is there something missing from this? Some questions have talked about having this problem when creating a dialog from onCreate, which happen because the activity isn't created yet, but this is coming from a call from a menu object, and the appContext variable seems like it is correctly populated in the debugger.
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Jun 3, 2010
I'm writing an application which connects to a back office site. The backoffice site contains a whole slew of JavaScript functions, at least 100 times the average site. Unfortunately it does not load them, and causes much of the functionality to not work properly. So I am running a test. I put a page out on my server which loads the FireBugLite javascript text. Its a lot of javascript and perfect to test and see if the Android WebView will load it. The WebView loads nothing, but the browser loads the Firebug Icon. What on earth would make the difference, why can it run in the browser and not in my WebView? Any suggestions.
More background information, in order to get the stinking backoffice application available on a Droid (or any other platform except windows) I needed to trick the bakcoffice application to believe what's accessing the website is Internet Explorer. I do this by modifying the WebView User Agent.Also for this application I've slimmed my landing page, so I could give you the source to offer me aid. package ksc.myKMB;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebSettings;
import android.webkit.WebViewClient;
import android.widget.Toast;
public class myKMB extends Activity {
I already have JavaScript on the web browser on, the problem is the web view is acting to different from the web browser.
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Aug 15, 2010
I want to implement my own Tokenizer base on the file
"MultiAutoCompleteTextView.java",
but I encounter an error "com.android.internal.R cannot be resolved" when I try to
import "MultiAutoCompleteTextView.java" to my project.
code:.................
I haven't research any solutions to resolve this problem.How to correct "com.android.internal.R.attr.autoCompleteTextViewStyle" my own attr?
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Jan 11, 2010
1- Does Android Browser (Éclair code base) support the "plug-in" or not?
2- Why "Google Gears" support is removed from the clair code base?
I searched the forum and came to know that earlier version of the Android does not support it at all? Here is the link for that, but this query asked in Dec'2008.
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Jan 5, 2010
At first,I have a database created by using Ruby on rails.I just already implement insert function(HTTPPost) in my Android Application and it's work.But I don't know how to retrieve specific record from my databases and insert it back to specific record in Android (Like edit function in RoR)This is my insert code :
private void insertComment() {DefaultHttpClient client = new DefaultHttpClient();HttpPost post = new HttpPost("http://10.10.3.87:3000/comments");
// Configure the form parameters
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("comment[content]", t_comment.getText().toString();
nvps.add(new BasicNameValuePair("comment[id_account]", "1"));
nvps.add(new BasicNameValuePair("comment[id_place]", Integer.toString(position)I really try many ways out but it doesn't work and it takes very long time to fight with this piece of code. Actually, I really don't know how to specify RowID to HTTPPost.
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Sep 17, 2010
I am doing some android development, and now I need to send some android application generated data onto a remote server (a database)?How can I do that? can I use direct JDBC connection and sql?
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Oct 9, 2010
So i am making a android app, and i want it to be so if i call lets say 911 it sends my GPS coordinents to a certain IP, i know everything but how i make it so if i call 911 it sends the info and how i can make it send the info to the IP via 3g,
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Jul 10, 2010
I released updates of my apps yesterday and they are being hidden from android 1.5 and 1.6 phones.
This is due to a Market bug which hides apps with bluetooth permissions from android 1.5 and 1.6.
Come on Google fix the market. We spend countless hours making are apps work on ALL android versions and now you do this...
This issue has been raised since June, but has only affected me since i made an update to the market yesterday.
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