Android :: Save Data From Camera To Disk Using MediaStore On Android?

Mar 16, 2009

I'd been using my own Camera class for taking images and my own database but soon enough I couldn't really keep up with changes and I decided to use the built in camera application in Android to do the job, but I can't seem to get it to save file. What am I missing here? The application seems to save the file but it's just 0 bytes. I looked up the source code of the Camera application and it's looking for the "output" in Extras to save the file.

Public class CameraTest extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);...............



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Android :: Activity / Process Lifecycle - Save / Load Data To / From Disk

Nov 26, 2009

My app is made of two activities, A and B. I'm considering this sequence of steps: Activity A is started. A launches B [A is paused, B is running]. B launches a map intent [A and B are both paused now]. Now the user is using the maps application and the system decides it needs more memory. Can the system kill only one of my activities for memory, or will it always kill all activities in a "process" in this situation?

Both activities share some static data like:

class Data {
public static String mName;
public void save() {
// write to file: mName;...................

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Android :: Small Picture Retrieved From Camera Although Specified MediaStore.EXTRA_OUTPUT In 2.X

May 7, 2010

I just don't get it: when I use the camera with an intent and also specify an output file, the returned image is always very small on many devices (e.g. Motorola Milestone 2.1, HTC Desire 2.1, Emulator 2.1, Emulator 2.0.1) but not on all (e.g. Nexus One). Here's what I do to bring up the camera app:

private final static String TEMP_PHOTO_FILE = Environment.getExternalStorageDirectory() + "/TEMP_PHOTO.JPG"; ..............

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Android :: Save Canvas To Disk

Sep 22, 2009

I am doing a painting program (KIds Paint - you can find in Android Market) and I have a lot of requests to save the content on disk or to wallpaper. I have been searching around but cannot find solution. My guess is that I probably wanted to get the bitmap from the canvas, but I can't find ways to get it. Then I try to set an empty bitmap into the canvas and draw on the canvas, and save the bitmap... but I got an empty bitmap..........

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Android :: Full Size Image Back From Camera Using MediaStore.IMAGE_CAPTURE?

Jan 8, 2010

I managed to figure out how to get the camara application to give me an image, but it is rather tiny, only 18k. Has anyone figured out a reliable way to get a full-sized image returned if you are using a MediaStore.IMAGE_CAPTURE intent?

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Sprint HTC Hero :: Save People Contacts On Disk

Aug 4, 2010

I want to save my contacts onto my computer hard drive. Where on disk is the file responsible for saving all the contacts?

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Android :: How To Measure Disk Activity And Disk

Mar 18, 2009

how to measure Disk Activity and Disk Usage on android ? Unfortunately iostat is not available in Android. I would like to monitor Data read and Data written for disk activity and Utilized and Free space for Disk Usage. I found diskstats but I don't know how to read it.

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Android :: Save Data And Keep Data After Uninstall?

Sep 16, 2010

On Thu, Sep 16, 2010 at 10:10 AM, Lidia <lidyp...@yahoo.com> wrote: > And using the "internal storage" data are always removed after uninstall.

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Android :: How To Save Camera Captured Image?

Jul 6, 2009

I am working with camera.. I am facing one problem during capturing image.The image is not saving directly to gallery.But when i reboot my device its appearing. Can anybody tell me why this happens.and How can i solve it.

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Android : Camera - Internal Listoption / Save Pictures On Sdcard?

Jul 19, 2010

When you are taking a picture on an and device, you can send it. There are apps, which are pushing their actions into these send-list (Like Twidroid, which adds a listitem called "Send Tweet" in that menu).

So, how is it possible to add such a menu point into that menu? For my app, I want to make it possible to take pictures from both (The App itself and via the real camera-send-list) and save them on the sdcard.

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Android :: Save Data In Broadcast Receiver

Jul 2, 2010

I'd like to maintain a hash table in a broadcast receiver. If I understand BroadcastReceiver's life cycle currently it could get killed wiping out my member variables. What would be the ideal strategy for retrieving a hash table from a previous run of onReceive in the BroadcastReceiver?

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Jelly Bean :: Disk Drive Mount As Disk Drive

Nov 2, 2013

my mobile samsung galaxy note 2 , i need this feature in htc mobiles when i connect usb " Disk drive mount as disk drive " , i need to use my mobile like flash memory to work on my satallite reciver

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Android :: How To Save Data / Info For Replacement Device?

Dec 21, 2009

How do I save info. So new to pda and love my eris but some reason I was in below freezing weather and screen timed out then a bunch of lines came on phone and wont go away. V is sending me a new phone since I have only had it 2 weeks so no worries there.

My question is will have to enter all my calender info, contacts, pics and apps I installed all over again or is there away I can save all of that info. I have videos music etc., also on it.

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Android : Way To Save Data On SD Card Always Deletes On Re-install?

Jul 30, 2010

I am using the getExternalFilesDir(null) method to save to the SD card. Saving and reading from the SD card is fine. The problem I am having is that every time I edit anything in Eclipse and rerun the app the data on the SD card is deleted. I know that saving to the directory returned by getExternalFilesDir(null) will allow the files there to be deleted when my app is uninstalled but is there a way to turn it off for just app updating? Is this only cause I am doing it from Eclipse and it won't delete the data when the app is updated from the market?

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Android :: Save Images To Amazon S3 From Android Camera?

Oct 31, 2010

I am making and app on android that takes pictures using your camera, I then want to save this image to S3, but I am not sure how to do this.

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Android :: Why Webview Caputured Data Get Lost While Save In A Thread

Apr 13, 2010

webview caputured data get lost while save in a thread.

CODE:...............

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Android :: Attempts To Save Data In Database Aren't Working

Nov 5, 2010

We've been developing an Android app at work for a few months now and recently acquired Droid Incredibles (API ver. 8) to replace our HTC Dev Phones (API ver. 4).

DANG are these some sweet new toys, but unsurprisingly, they've got a few quirks...

1) It's normal for my user to let the program run for long periods without any input, but he'd still need the display to work the entire time. Can anybody suggest a function call or setting or something that will prevent the Incredible's screen from dimming while my application is running??

2) On the Dev phone, I was able to copy my application's database file (thousands of uses, that) onto the SD card's root directory and fly. I could view the directory on my PC via USB; when I released the SD card from the PC, my application was perfectly happy with it and obediently read from and wrote to the database; and I didn't have to remove the SD card, ever. That doesn't seem to be the case with the newer, better phone, though. My application seems to be reading my start up parameters properly, but all attempts to save data in my database aren't working so well unless I'm just doing something wrong. Can anybody point me to documentation specifically geared toward the Incredible?

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General :: Can Android Store Save Games / Data On Cloud?

Oct 30, 2011

Not possible with Ice Cream Sandwich 4.0.4. The only way is to use Titanium Backup, and better than that, Nandroid Backup. You can as well extract data from a Nandroid backup with Titanium Backup.

I have a Nexus S and I wonder if, with the option Settings -> Accounts and sync -> Background data & Auto-sync & Manage accounts (sync is on) the settings and savegames are automatically stored "on the cloud", let it be my Google account or similar, because I don't have a rooted phone and don't want to do that to preserve warranty.

So, the apps for wich I want to save data are:
Air Penguin
Angry Birds
Angry Birds Rio
Angry Birds Seasons
ArmySniper
Clouds & Sheep
Dolphin Browser HD
eBay
EGGGZ
Flight Director
Jewellust
Jewellust Xmas
Labyrinth
MultiGrain
X Construct

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Android : How To Get Album Art From MediaStore?

Feb 16, 2010

How can I get the album art from MediaStore?

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Android : Getting ID Of An Image In MediaStore?

Sep 27, 2010

I'm trying to query the Android's MediaStore.Images.Media to get the images contained in the device. I get my cursor on the DB like this: Code...
and I get the indices of the columns this way:

int dataIdx = cursor.getColumnIndex(DATA); ... int idIdx = cursor.getColumnIndex(MediaStore.Images.Media._ID);

unfortunately it seems that the column index idIdx is always -1, which means the column doesn't exist. Am I doing something wrong? Is there anyone else experiencing the same?

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Android :: Singleton Objects To Save State Or Share Data Between Activities?

Nov 23, 2010

It would be nice if StackOverflow had a section where we could post tutorials like mine so that I can answer literally hundreds of questions that have been asked here with a single blow. See... every day I read questions about how to pass complex objects between activities, how to save state so that your app can resume after orientation change, how to update listviews when the data changes, etc, etc. Here is the second part of a tutorial series I posted on my blog... I hope that you actually read it... because I haven't seen any examples like it anywhere... and it has changed how I think about developing for Android across the board. The question is... is there a downside or negative affect of developing like this?

Beyond Smart Lists - How Observable Singletons change the game. Please read through both of these tutorials carefully... I will answer any questions about it here that I can... I really want to know what you think about this and if it might solve issues for you. NOTE TO MODERATORS: there are no advertisements of any kind on my blog.. so don't just close this because you think I am spamming somehow... I am not going to duplicate my post here.

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Android :: Want To Save Data On Web Server / Send Request And Handle Response?

Aug 16, 2010

I want to save the data on the web server. I have data in XML format and I know the URL String. Please tell me how can I send the request and handle the response.

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General :: Camera APK Save As PNG Format?

Mar 4, 2012

I'm searching 4 camera apk that cane save the images as png format vs jpeg(bad compression)

i found some thread about jpeg vs png on android and this code line bitmap.compress(Bitmap.CompressFormat.PNG, 100, output);

is there any camera apk with png or can stock camera apk modified to save png?

10nx in ahead

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HTC Desire :: Save Camera Pics To Sd Card?

May 29, 2010

trying to save camera pics to my sd card but cannot find an option for this can anyone help

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HTC Incredible :: Allow Camera To Save Pictures Onto SD Card?

Apr 29, 2010

1) Is there a way to allow the camera to save pictures onto the SD card, as mine does not do so?

2) Within the Gmail app, is there a way to move messages from your inbox to other user-created folders? The Motorola Droid definitely had this option, but on the Incredible it looks like it only lets me apply a "Label", which I'm unfamiliar with, though this does not actually move the e-mail to that folder.

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Android :: Way To Get Image Data From Camera?

Apr 10, 2009

I am working on image processing in mobile. When Camera,takePicture(null,null,pictureCallback) called I am getting (640*480) JPEG image data, its taking 1 second delay.When I try to get raw data it returns null value.I am interested only on delay.

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Android : How To Force MediaStore To Rescan SD Card

Feb 14, 2009

If I pragmatically store new media files on the SD card, the MediaStore does not know about them until I remove and reinsert the SD card. Is there a way to tell the MediaStore to rescan the SD card without first unmounting the SD card?

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Android : Construct MediaStore Uri For Specific Folder

Jun 17, 2010

For example if a have two directories /sdcard/Music/Music-1 and /sdcard/Music/Music-2 how can i construct uri to get the files in Music-1 dir for example. I can use MediaStore.Audio.Media.EXTERNAL_CONTENT_URI to get the content of all external storage but how to do the trick only for specific dir.

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Android : MediaStore Setting Photo Name To NULL

Aug 13, 2010

I have an app that allows the user to take and save a new picture using the Intent ACTION_IMAGE_CAPTURE. After the user accepts the newly taken picture, I create a ContentValue object to set the picture information, and then I insert the picture into the MediaStore and send a broadcast so that the user can see the photo when opening a picture viewer app such as gallery:

ContentValues newImage = new ContentValues(3);

newImage.put(Media.DISPLAY_NAME, mPicName);
newImage.put(Media.MIME_TYPE, "image/png");
newImage.put(MediaStore.Images.Media.DATA, path);
mPictureUri = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, newImage);
sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, mPictureUri));

All of this code works fine. The photo is correctly saved, and I can view the photo using gallery. The problem is that when I view the photo in gallery and select "Details" it shows the photo name as "null." And yes, I know for a fact that the variable mPicName above is not null and always has the correct value.

The odd thing is that, when running my app on my Droid running Android 2.1, when I choose to copy files to/from the phone and my computer, I open up the Droid on my Windows computer, and when I go into my app's created folder for photos and view the new photo, the name is correct. Then, when I disable copying files from the phone/computer and go back into gallery to view the file on my Droid, the name is suddenly correct and is no longer null.

Can someone tell me why the name is null after my code runs, and why the name is correct after viewing the file on my computer rather than on the phone? Is there a way to get the name non-null right when the picture is saved? I'd bet that the name would be correct if I turned my phone off and turned it back on, but I'm not sure how exactly to get force things to work immediately.

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Android : Get Back Image Taken After Intent MediaStore?

Oct 7, 2010

How do i get back the image taken from starting the Intent(MediaStore.ACTION_IMAGE_CAPTURE)?

I need the image to be display as a thumbnail and also be attached to email.

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Android :: Android - Easiest Way To Save Small Amounts Of Data?

Oct 5, 2010

I have an app that only requires the value of a textview field to be saved... what would be the most simple and efficient way to save such a small amount of data? Creating a database for this seems like overkill. would onSaveInstanceState be sufficient?

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HTC Desire :: Covers That Save Camera Lens From Scratching

Jul 26, 2010

I'm getting my Desire soon, and I'm worried about protecting the phone properly. Specifically, I've heard that people have problems with the camera lens getting scratched because the phone rests on it if you lay it down on its back. Are there any cheap cases out there that can help solve the resting-on-the-lens problem? A cheap gel case off of ebay would be ideal.Also, what other steps should I take to protect the camera lens?

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Motorola Milestone :: Get All Camera Pictures To Save To SD Card?

Oct 18, 2010

How can I get all my camera pictures to save to my SD card and not on the phone memory?

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HTC Incredible :: Save Pictures That I Take With Stock Camera To Sd Card?

Jun 29, 2010

I need to know how to save my pix that I take with the stock camera to the sd card. Also I dl that gallery apk and none of the pix I take with the camera go into it. Any ideas?

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Android : How To Decode Camera Data From PreviewCallback?

May 27, 2009

Does anyone know how to decode the camera data from the PreviewCallback? I need to capture camera preview frames and process the bitmap obtained by decoding the frames before displaying.

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Android :: File Name After MediaStore.Images.Media.insertImage

Apr 17, 2010

I am using MediaStore.Images.Media.insertImage(ContentResolver cr, String imagePath, String name, String description) function to insert a newly created image into gallery. System is naming the file by default, but its different than names of pictures taken by original app(Time stamp). Is there easy way to set it up?

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Android :: Out Of Memory Calling MediaStore.Images.Media.get Bit ­map

Apr 15, 2010

After I've used a MediaStore.ACTION_IMAGE_CAPTURE intent to take a photo, when I try to retrieve the captured image, I sometimes get an out of memory error as shown below. The odd thing is the huge size of the memory trying to be allocated is always reported as 10,077,696 (x99c600). However, the image file is much smaller, typically around 750,000 bytes.Any suggestions on how to get around this problem? I'm testing this on a Nexus One with firmware version: 2.1-update1 and Build number: ERE27. Code...

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Android : MediaStore.Extra_Output - Result In A File Containing Picture?

Jul 15, 2009

I have seen a number of posts from people who had trouble retrieving a full size image from MediaStore.EXTRA_OUTPUT with code...

Should this code work? I mean, should this result in a file containing the picture?

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Android : Mediastore Thumbnails Not Generated Until Gallery App Is Launched?

Sep 30, 2009

Is that normal that Images indexed in the MediaStore do not have thumbnails generated until the Gallery app is launched and the user actively navigates to the bucket where the image is stored ?

I think it's quite odd as I thought thulbnails generation was part of media indexing.

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Android : Find Orientation Of A Picture Taken With Intent MediaStore?

Feb 17, 2010

When I take a picture with Androids camera app, it detects the phone's orientation and saves the pic accordingly. So if i take a picture of a building, the roof will be on the topside, whether I hold the phone in landscape position or portrait.

However, when i use

Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

to get a picture, the camera app doesn't react to orientation. If i hold the phone vertically (portrait), the resulting pic will be rotated, with said building's roof to the left of the screen.

How can I set the intent so that the camera will take orientation into account? Or can I deduce in some way in what orientation the pic was taken and rotate it myself afterward?

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