Android :: Read Image With Multiple Frames - Animated Gif
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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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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Jul 31, 2010
How do I show an animated image in Android?
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Feb 24, 2009
When we tried to display an animated gif image using image view, nothing was displayed on the screen. So, we are suspecting whether image view is not supporting animated gif.
If we place an animated gif file in gallery then thumbnail is not displayed.
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Apr 25, 2012
Can an android boot animation be an pre-animated gif or does it have to be sequential gifs with a script?
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Sep 14, 2010
I am trying to add an animated spinner inside a EditText view to the right. And programmatically show/hide it.
I have created the animated spinner by introducing a linear interpolation rotation. code...
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Sep 7, 2010
We can view an image with What if we have some images? How can we put the extras to let the viewer know we have /sdcard/a.jpg, /sdcard/b.jpg, /sdcard/c.jpg ? I hope to do this in a time because starting an activity is very expensive. Code...
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Jul 20, 2010
So, largely for debugging purposes, I want to be able to write an image at arbitrary points in my code, and look at it later. I figured this would be easiest if I just wrote a my bitmap to a file and read it back later, but I cannot seem to figure out where to find the file after I write it, or how to open an image that is not in res/drawable with a corresponding handle in R.
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Nov 4, 2010
I am using an application for obtaining the raw data from the image sensor on an Android device. The files I am getting out are in the YUV420SP format,and XnView does not supprt it. Does anyone knows which software I could use to get a proper image? (to convert it)
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Sep 27, 2010
In my android application I an storing an image file in internal memory using below code-
FileOutputStream fos = con.openFileOutput(fileName, con.MODE_PRIVATE);
fos.write(baf.toByteArray()); // baf - ByteArrayBuffer
fos.close();
Can anyone please help me to read this image file from internal display it in an activity?
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Apr 13, 2013
I try to read picture from file that save in my computer.
the picture store in this path : C:Users
aorDesktopprojectmorehome.jpg
and I wrote this code in my application
File imgFile = new File(" C:Users
aorDesktopprojectmorehome.jpg");
if(imgFile.exists())
{
Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getAbsolutePath() );
ImageView myImage = (ImageView) findViewById(R.id.view1);
myImage.setVisibility(1);
myImage.setImageBitmap(myBitmap);
}
and when the program running it's not get inside to the if (these mean that imgFile.exists() is false)
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Nov 11, 2010
My Evo is rooted, but I have lost my recovery image. Attempts to re flash recovery via ROM Manager and ADB both failed. I now have a task bar message saying the card is mounted read only. I put it in an adapter, plugged into my PC and ran Check Disk, which appeared to restore R/W status. I then put it back in the phone, rebooted and tried to flash a new image with ROM Manager, I have the read only issue again. I still have root, root apps still receive SU permissions, but I have no nand access and cannot re flash CWM or Amon.
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Aug 18, 2009
I'm try to send an email with multiple image attachments.I'm trying to develop an application which has a button and when i click the button mail has to be sent with image attachments. email address is hard coded.
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Oct 12, 2010
i want to create a bitmap / image which has many images like "Collage" which has more then one images in a single picture. I have stored all my images in a grid view but now i want to create a single image from all those images. And even i want to make few images click able so what can be the road map to do this ? any sort of help / example will be helpful. search for a for collage image image in google . one can see what it is exactly.
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Nov 11, 2010
I am trying to develop an app for which I want multiple screen support. I have read the Android article on Best practices for Multiple Screen Support. As per the article we have to follow 3 important things:
1. Mention support for different screen sizes (large, medium and small) and any density in AndroidManifest.xml.
2. Place images of 3 dpi's (120, 160, 240) in 3 folders res/ldpi, res/ mdpi and res/hdpi.
3. In layout's the dimension should be mentioned in "dip" units. Then Android will take care of the scaling on its own.
I have implemented all these points in my project. The images are picked up correctly from the appropriate folders. But the arrangements of the controls in not same. e.g. I ran the app on three emulators 1. Resolution 240*320 dpi 120. 2. Resolution 240*320 dpi 160. 3. Resolution 240*320 dpi 240. (All the emulator have same resolution but different density). The problem is the position of the controls is not same on all the three emulator. As per my understanding if the android:layout_marginLeft and android:layout_marginTop are mentioned in "dip" then this problem should not occur. As the density of the emulator increases the controls get placed more towards the right. Is it necessary that I provide layouts for all combinations of dimensions and density i.e. in layout-small, layout-large, layout- medium, layout-long,layout-notlong?
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Apr 13, 2010
I've read the Android documentation:
http://developer.android.com/guide/practices/screens_support.html
but still have some questions. I'm trying to design a music application which basically has images of the instrument (ImageButton) that play a sound when clicked. However, I'm confused about how to have the ImageButtons scale to fit all the different screen sizes and how to position them.
Which layout is best used for needing to position ImageButtons in specific locations on the screen? (i.e. cymbals on a drum set) FrameLayout, RelativeLayout? If I only really care about medium and large screens, do I need to create different resources (images) for both as well as a different XML layout to position them? I'm trying to find the simplest way to do this without having to create a separate layout XML file for positioning/size and separate image resources for each screen.
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Feb 18, 2012
I developed a cramfs rom for the np7 after user dochoppy found root for the nextbook premium 7 tablet, but he then converted to ext3 which because its packed with features will be more popular. So I am trying to edit his ext3 rom in Ubuntu 11.10 and here is what I do:
1. Copy and paste system.img to desktop
2. Create a folder called system on desktop
3. In command prompt:
cd ~/Desktop
Sudo mount -t ext3 -o loop system.img system
(Asks for pw)
4. Doc said something about only being able to edit as root, so after some Googling I find out how to create a program that grants root.
5. (Open "run as" program) then I type "nautilus /home"
(Asks for pw)
6. Navigate to mounted system and I have read/write privileges (but only in this window)
7. View the system mount properties, and it says I have 14.2 mb free space on device
8. Delete files throughout the system folder to make room (but when I refresh properties, free space increase doesn't show)
9. Try to add my own files after deleting some others, ans rather than using the increased space, it just fills the fourteen megs before telling me "device is out of memory "
why is the system not physically making the proper system increase and decreases.
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Jun 16, 2010
I need a small help on rotating one image around its center of axis among multiple images which are drawn to canvas in android.
I am loading images to canvas like below.
canvas.drawBitmap(mMachineBackground, 0, 0, null);
canvas.drawBitmap(mMachineRotator, 0, 0, null);
I want to rotate only the second bitmap around its center of axis instead of rotating the entire canvas(which includes first bitmap also).
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Nov 12, 2010
I can just read the first recipient of a send SMS with multiple recipients by the following code snippet:
CODE:.......................
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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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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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Jun 11, 2013
I am using a linear layout to draw a scalable background in my app. I am then defining multiple imageviews inside the linear layout, all of which are PNGs containing a transparency layer. I am wanting to overlay these transparent imageviews on top of the background. My issue is that only the first defined imageview shows on top of the background, any subsequent imageviews do not appear.
CODE: Note that imgSen1 appears properly with transparency overlaid on the background. imgSen2 does not appear. If I define imgSen2 first, and imgSen1 second, imgSen2 then appears properly, as if only the first defined imageview can be seen. I would like to have multiple imageviews with transparency overlaying the background.
<LinearLayout
android:layout_width="627dp"
android:layout_height="436dp"[code]...
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Jul 21, 2010
I have a very large image and I only want to display a section the size of the display (no scaling), and the section should just be the center of the image. Because the image is very large I cannot read the entire image into memory and then crop it. This is what I have so far but it will give OutOfMemory for large images. Also I don't think inSampleSize applies because I want to crop the image, not lower the resolution.
Uri data = getIntent().getData();
Input Stream is = getContentResolver().openInputStream(data);
Bitmap bitmap = BitmapFactory.decodeStream(is, null, null);
Any help would be great?
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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
Iīm trying to capture frames from a video file, but I donīt 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 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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