Android :: View Multiple Image With System Image Viewer
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...
I use http://stackoverflow.com/questions/541966/android-how-do-i-do-a-lazy-load-of-images-in-listview/3068012#3068012 to load images in a ListView and a GridView. It works but the images are loaded form bpttom to top. How to fix that?
Bonus Question: Can I use a loading animation in a image view while the real image is loaded? Right now it's just a default image.
Just wondering if its possible to use the built in image viewer to display an image sourced from a database. I'm hoping I can pass the byte as an extra to the ACTION_VIEW intent, but can't find any docs on it so far. Alternatively I'll have to roll my own viewer or first write the image out to a file and pass that to the intent.
I have a scroll view with lots of image buttons. I want to change the image for an image button when it's pressed. The thing is that I want the image to remain until another image button is pressed. That's why I couldn't use a selector. What is the best practice to achieve his?
I have a vertical LinearLayout. I would like to layout 1 ImageView on top and 1 ImageView at the bottom of that LinearLayout. I tried putting 'android:gravity="top"' and 'android:gravity="bottom"' in each of the ImageView, but both ImageView appears at the top of the LinearLayout. Is there a way to fix it?
I have an ImageView in my android layout. And I would like to add a 'decorator' image at the lower right corner of my image view. Can you tell me how can I do it? I am thinking of doing with a FramLayout with 2 image views as its child, but how can i make one image the lower right corner of another?
I'm trying to launch an image which is written to my application directory with the builtin Android image viewer. This image has been written in a different part of the app to the app directory. When getting the following file:
How can i launch the builtin Android image viewer to view this file? Currently i'm doing:
And it keeps churning out:
Irrespective of what i change the uri schema to ( eg, content://, file://, media://, image:// ).
I do these actions on Android G1 2 times: open gallery -> view image -> Capture screen-shot -> Go back -> exist from gallery.
But captured screen-shots of 2 times are difference: the above and below background of image viewer of first time is lighter Grey, while second time is darker.
2 screen-shots: First time: http://farm5.static.flickr.com/4064/4252991345_6ee5777bf5_o.png , Second time:[url]
I repeat again many time, and the "light Grey" and "dark Grey" background are alternate occurred. Why backgrounds are not the same ? some Android optimization, cache, etc... Could you help me to find reason?
I have the url of an image. What i need to do is launch the default image viewer for images using an intent. But it doesn't work. If I do not specify the type of data, the intent launches the browser since the data is a url. It works basically (since you can see the image on the browser) but what I would like is to have the gallery display the image for me.I can also download the image into a Bitmap but I would still not know how to display the Bitmap using the gallery (if that's even possible).I tried saving the bitmap to the cache and then launch the viewer on that file but it doesn't work. Can you spot any mistakes on my code? (The Utilities class is a class i wrote.
Ok I have been trying to figure this out for a while. I have an application that needs to read images from a folder created by the application on the sdcard. I have no idea what the names of the files are because the user specifies the names of the files. I need to read the images from the folder and make something like the default image viewer, where you can share them delete them and things like that. Im thinking read them into a grid view first but 1) cant figure out how to dynamically read them from a folder 2) how would I implement the image options like the default viewer? If there was a way to open the default viewer on a certain folder that would help. Anyways any input would be amazing been working on it for a while.
I'm looking for an app that will allow me to view photos stored on my computer. I can access the computers on my home network from my Incredible using Astro or ES File Explorer "LAN" and open various file formats such as .pdf, .doc, .xls fine on my Droid; however, I am unable to open and view any type of image files (.jpg, .bmp, .gif, etc.) unless they are stored on my SD card or in the Droid memory itself.
When I try to open a image file stored outside the Droid, nothing appears on the Droid screen. I have installed several "image viewer" apps, such as Astro and 3D Gallery, none of which seem to be able to open remotely stored files. When I "click" on an image file, I see "Loading Image", but all that appears is a black screen with left and right arrow scroll buttons -- no pictures. Any advice, other than to copy and paste image files to my SD card, which then allows me to open and view them? I did get the 2.2 update.
I have an ImageView which I want to always be the same size. If the image is smaller than the view, I'd like it to be centred in the view. If the Image is larger than the view then I'd like it scaled down - with aspect ratio preserved.I've had several attempts at this myself
As the title says, i've lost the default image viewer. My phone had a minor update which changed the way it receives further updates and added Backup & Restore.
But since I have lost the default image viewer. So without crappy mediascape I'm no longer able to click through my images, zoom and set as wallpaper. Has anyone else come across this? Is there a way I can download default software again? Pretty agrovate about this, x10 has been a nightmare since day 1.
I am trying to create an android app that will let me display images fullscreen with next and previous buttons on top to change between them.
Can anybody point me to some tutorials where i can find instructions on something similar?
If not, what is the best method to use to get the images into the app? I have tried several ways from creating object classes for the images and instantiating it with a drawable in each using the Bitmap Factory to return the image but that won't work.
I am a beginner to android and could really use reference material but can't find anything useful that covers this subject.
I know the bitmap is downloaded ok (use the same routine for supplying it my ImageView instances elsewhere in my app) - I think it wrote to file ok, I can see it on disk and the file size is correct. The intent is launched but an exception is thrown: then the new activity just sits there, blank. How does this work?
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.
so i have an intent that use the system camera. so after i taken the photo, it brings me back my application. I want to display the image (just taken) as a thumbnail. How do i retrieve that latest image from Media Store.Images.
So after a failed attempt to upgrade from CyanogenMod 10.1.3 to 10.2, I was unable to access /data or /sdcard because both systems were encrypted. I ended up having to factory reset my phone because it refused to co-operate or let me access my files. However, before I did that, I was able to run
Code: adb shell "dd if=/dev/block/mmcblk0p2" > data.img and
Which appears to have copied the raw partition images from the phone (at least, they're the right sizes).
According to my reading, Android (and, I'm inferring, CyanogenMod) encrypts filesystems using dm-crypt, with a AES-CBC ESSIV:SHA256 cipher, with the key being derived from the password using PBKDF2. Knowing the precious little I do about encrypted file systems, my guess is that if I configure the image in cryptsetup to create a drive mapping, I can mount the mapped drive and recover the data from the images.
According to /fstab.herring on my ahem, fresh, install of Android, the /data partition is in ext4 format whereas the /sdcard partition is vFAT. So, once I've gotten through the encryption on the partition images, they should mount normally, right?
I know that dm-crypt accepts plain, LUKS, LoopAES and TrueCrypt device formats. I'm inferring from the PBKDF2 extension that Android goes the LUKS route for encrypting. Is this conclusion correct?
Whether it's possible to decrypt a dumped android image? I'm really hoping that the cypher information is stored on the file system and not on some key file that I nuked in the factory reset. If it can, in theory, be decrypted, am I using the right tools to approach the matter? If so, I'll continue fiddling with cryptsetup and mount, but no sense in wasting time if it's an impossible task.
I have lost an image,I use a normal image as a wallpaper. One day I made a backup of my rom and flashed another. As you understand I wiped my sd card. Finally I didn't liked the new rom and restored my previous. Now I see that image as my wallpaper but it does not appear to be in my sd card. It is only set as my wallpaper. If I will change wallpaper I will lose this image once and forever.
I tried to find that image again but with no result.Is there any way to take this image from the system? For example via a file explorer.
Is it possible to have an image view overlap a listview? Basically I want to put a vertical line done the center of my list view to make a vertical dividier between the textviews in a listview row that are statically sized horizontally and dynamically sized vertically.
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.
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.
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?
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.