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.

Android : Mediastore Thumbnails not generated until Gallery app is launched?

Android : Way To Look For An Image Using Path - MediaStore.Images.Thumbnails?

Aug 16, 2010

I'm using MediaStore.Images.Thumbnails in order to show the images the user have. But i'm not able to get an image through its path.
Is there any way to look for an image using the path? Code...

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General :: Video Player That Has User Generated Thumbnails?

Aug 2, 2013

I really like BS Player and use it constantly on my Galaxy Tab 10.1.

I find it has a fantastic LAN streaming capability and great interface. However, it auto selects the thumbnails.

This isn't necessarily a problem for me bc I use it set to 'file list'.

However, my 5 yr old can't read yet, so I set it to Thumbnails.

Unfortunately, the auto gen thumbnail feature selects some random frame 99% of the time, and the image will have no bearing on the movie whatsoever.

Is there another video player that allows you to select your own thumbnail from a screenshot or picture file?

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Android :: Gallery Of Thumbnails From Web Running Out Of Memory

Feb 3, 2010

My application loads 12 100x100 thumbnail images from the web using the code below. I then display the thumbnails in a GridView using an ImageAdapter derived from BaseAdapter.I'm running into memory issues because each of the thumbnails is held in memory as a Bitmap. This seems like a fairly straightforward application (display a gallery of thumbnails from the web), can some give me advice on how to reduce my memory needs? Maybe there's a better way to display web images in a GridView that doesn't involve downloading and storing each one as a Bitmap?

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Media :: Remove Thumbnails Of Albums In Gallery On Captivate?

Sep 7, 2010

How can I remove the thumbnail of an album in the gallery on my Captivate? I'm running 2.1.

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HTC Incredible :: Thumbnails Of Images Lost In Photo And Gallery Applications

Jul 25, 2010

I noticed that I suddenly lost thumbnails of images that showed the previous day in the stock photo apps and also the Gallery app. They show up and open using Astro, but appear to no longer be seen by the indexes of photo and Gallery (but open fine using those apps via Astro). I tried B&B as well and same thing. They all must use the same index source.

I like the stock photo app the best, since it shows pics and movies for both internal and external memory. Never had this problem before. I tried SDrescan, but it just says "scanning" and even after two hours, never stops scanning. I have tried clearing cache, etc., but still they do not show, even when I created a new directory to put them in.

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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 :: Possible To Obtain ID Of An Image By Id Of Thumbnails?

Jun 25, 2010

I'm developing an image editor for android. In the main activity, I get to show all images by viewing the thumbnails to make the process faster. The problem it's that I need to process the image later and I would get the normal image ID (with the original size, which I think is in MediaStore.Images.Media). I can't get the form of the query. The code that I have is the following but I can't obtain the real image ID (in the IDImage variable) code...

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Android :: Display Video Thumbnails?

Aug 26, 2009

I created a video recording application with library dialog. The library dialog displays the list of recorded videos where each item consists of icon, video title, tags and location information the following way:

Does anyone know whether it is possible to replace icons with video thumbnails (single frame preview)?

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Android :: Get Thumbnails From Specific Location On Sd Card?

Jun 13, 2010

AFAIK accessing thumbnails for images via MediaStore.Images.Thumbnails would generate thumbnails at first attempt, and that's what i need to perform against specific location on sd card.

The question is how to make valid URI to content under specific folder?

All answers i can find use just MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI as uri to make managedQuery. And result of it is Cursor that points to all sdcard images, while none examples can be found on how to access only specific folder.

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Android :: Create Thumbnails Image In Droid?

Aug 18, 2010

I want to create thumbnail image from its original image in coding for android

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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 :: 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 : 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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Android :: Change Number Of Thumbnails Seen In Sample Home Application?

Mar 16, 2010

I am working with the sample Home application project on

I've added another value to the THUMBS_IDS and IMAGE_IDS Integer arrays in the Wallpaper class for a total of four wallpaper options.

When I run the application with Device API version 7, Skin: HVGA, hw.lcd.density: 160, in portrait layout, the fourth wallpaper option is not shown.

I need to use the directional keys in the emulator to see the 4th wallpaper option, because the first option is centered.

I have modified only the wallpaper.xml file with a variety of android:layout_* options with no success at this point.

How do I show all four of my wallpaper options?

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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 : Advice Needed For Manipulating Mediastore For All Music Files?

Aug 3, 2010

I'm rather new to android programming and right now I'm playing with the media store for a personal test project. I've run into a couple double-edge problems..

I need to query the mediastore for a list of all music files, simple enough - but i need to restrict the results to certain folders only. I accomplished this (rather easily) using the SQL-*LIKE- where clauses and all's well on this aspect.
I now need a unique (if this were actually using SQL, I could simply use the DISTINCT modifier and be done with this) list of all artists. Now this is based off the songs in a given path. Therefore I cannot filter the list returned from querying the URI:MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI, and adding in where clauses based off the file path as I did in the first step.

So, what this leaves me with is using my initial query and getting a cursor back then stripping the dupes from the cursor (which is where i am now - too slow, especially with 1000+ songs) - based on a query of artists instead of songs, obviously.

Is is possible to override the actual query that fills the cursor, maybe? As in: override the query and filter how the data is initially put into the cursor (remove recursive entries) and return the proper cursor immediately? Content providers and how they were never built with a distinct function is beyond me, but whatever. Is the returned cursor from a URI query command filled in a manner that can be overridden or not? That's what I'm unclear of at the moment on this. I would like to be able to wrap the getContentResolver().query(xxx..)) command directly to remove the entries on cursor fill, if possible - i do async queries and using a single query statement (well, one for the artist query) would be great.

My other alternative thought is to just preload the data and manipulate my view's data by creating a new cursor based off the preloaded dataset (cursor) - which may be the way to go, and if so - would a cursor be the best way to store this data? Also worried about ram with larger libraries.

Maybe there's simply a way to do a DISTINCT query on the URI - I just do not know. I've seen this question (or the ilk there-of) asked many times with no good answers that were meant for a URI as opposed to a SQL back-end.

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Android : MediaStore Returning Loop Of Images - Not Entire Directory

Nov 22, 2009

Hello, I'm testing some code from a demo found in a forum and I'm getting some strange results. My goal is to be able to allow users to access the pictures on their device to choose an avatar/logo. This code run flawlessly except that I only get a handful of images on the phone. And its not even always the same images. Whats more is that it loads those images into a gridview and repeats them for what looks like a number of times equal to the actual number of images that are on the device. And on top of that if I scroll down the through the pictures, and scroll back up, it reorders the pictures from what they were previously. Each time I load the app the pictures seem to be different as well. I have around 400 pictures stored on my phone, and thats what I'm using to test. If someone could shed some light on this for me that would be great. This is my first time using a URI to access content to I'm not sure where to start troubleshooting this one. Code...

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Android :: How To Get R Class Generated Again?

Aug 11, 2010

The automatic generation of the R class does not work anymore. I have tried Project -> Clean.A warning on all xml files has also showed up: No grammar constraints (DTD or XML schema) detected for the document." Maybe that is why the code generation have stopped. Any idea how to get the R class generated again?

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Android :: Is Not Being Generated

Jul 23, 2009

I've been working on a project for several weeks now, and just tonight I started having a problem. The file is no longer being generated. I've attempted to clean the project (the first time I do this it removes the file but doesn't regenerate it) and have tried uninstalling and reinstalling the SDK. I've also tried resetting adb to no avail.

This problem does not occur in my other Android projects. They clean just fine and regenerate the file like nothing is wrong. This particular project is the only one suffering from this problem.

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Android :: Display Thumbnails Of Images (present At Different Locations In Sdcard) In A Listview?

Feb 15, 2010

I have several images present in different folders in my sdcard. I would like to display a list of thumbnails. So what I have done is while rendering any row in the list I read the file in an input stream, get the byte array, decode it to obtain a bitmap and set it in an imageview.

So far so good. But when I scroll the list, the list scrolls in jerks. I believe this is because decoding a bitmap from byte array takes some time. What I would like to know is that, is there any optimization which I can do to improve the performance, or better still is there any better method to achieve what I want ?

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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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Android : Reading File Of Provider.MediaStore.Im­ages.Media.INTERNAL_CONTENT_UR­I

Mar 2, 2009

I got FileNotFoundException when run this

FileInputStream fileToRead = new FileInputStream(fileName);

here fileName is a string =content://media/external/images/media/6 which is got in sdcard image selection by android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI

any solution?

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Android :: .aidl And STILL Not Being Generated

Aug 12, 2010

I downgraded to Eclipse 3.5, and the following still doesn't happen when I build a project in Eclipse:

1. .aidl files don't get processed (at all).

2. isn't generated.

Used to work. What the heck?

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