General :: How To Clean Cache / Files In Memory
Mar 21, 2014
I bought a Samsung Galaxy S2 Hercules (T-Mobile) and its used. In the Last week I pull some photos and mistakenly delete them, but with my "Recurva" program i could see all the photos (mine and others owners)
On the one hand I'm happy for having recovered, but if one day I want to permanently delete photos, I have the fear that the other person recovers.
How I can delete all photos, videos and files in the cache memory?
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Apr 28, 2010
My dial screen has always had lag but recently it is 10 times worse, any solutions? I want to go clean my cache but cant remember / or find , how to get to that screen. Any help would be great,
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May 1, 2010
Quick App Clean Cache. Any one else notice this is now missing from the Market? I'm assuming its due to the fact its copy protected but now its unpurchasable. Any one know another location it can be found? I wanted to buy this but should have done it before updating to 2.1 v3.
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Oct 3, 2010
I used to be able to clean my cache from settings manage apps filter ETC... but now with 2.2 I cannot , anyone know how ?
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May 13, 2014
Sony Walkman Z series NWZ-Z1060 (Z1000, Z1050, Z1060, Z1070) want to flash my firmware seems after I used a update my player keeps turning itself off with a full battery charged, works plugged in so was wanting to see if a clean install will fix this problem. Was on android 4.0.4 sony update i installed the latest 2.3 update and is not working properly.
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Jun 21, 2010
I'm implementing an image cache system for caching downloaded image.
My strategy is based upon two-level cache:
Memory-level and disk-level.
My class is very similar to the class used in the droidfu project
My downloaded images are put into an hashmap and the Bitmap objet is wrapped inside a SoftRererence object.
Also every image is saved permanently to the disk.
If a requested image is not found into the Hashmap<String,SoftReference<Bitmap>> it will be searched on the disk, readed, and then pushed back into the hashmap. Otherwise the image will be downloaded from the network.
Since I store the images into the phisical device momery, I have added a check for preserve the device space and stay under a 1M of occupied space:
CODE:.................
This method is called sometime afte a disk writing:
CODE:..............
What I'd like to add is the same check on the HashMap size to prevent it will grow too much. Something like this:
CODE:.....................
My question is:
What could be a right MAX_MEMORY_SIZE value? Also, Is it a good approach? A good answer also could be: "Don't do it! SoftReference is already enough"
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Oct 25, 2010
My memory is getting very low.I know about all the move to SD methods; I want to try and get rid of some unused data first.I always see posts about clear data and clear cache.Yes, this frees up space but do the apps actually need this data? What is the difference between data and cache? e.g.If I clear data from my contacts app, will all my contacts be deleted?What am I safe to clean up? Is there a way of cleaning up everything at once? Is there an equivalent to defrag and disc clean up? Any advice on getting some memory back without moving apps would be great.
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Mar 21, 2014
I'm looking for a method or an application for android tablet, which allows me to quickly reset the device deleting any data (from the Internet cache, and the cache to the photos of the various programs such as facebook, twitter etc ...) and that does not allow any modification of the operating system. I need this solution because I have a restaurant and I want to put a tablet on each table for guests to make him see the menu (full of photos and videos), surf the internet and play with the kids.
is there an app that allows this? or is there a quick way to do this, such as a multiaccount management ? I remember, for example, that for windows there are applications that completely erase any unauthorized modification, files and cache, at the time you restart the operating system.
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Nov 6, 2010
My phone and sd card memory is very full and im sure that a lot of this is unused folders and data left behind by old uninstalled apps, temporary files etc. Is there some kind of disk clean up app i could get to remove all of this junk?
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Mar 24, 2010
I believe an app I installed put over 20 megs of space on my phone's memory (not the SD card) and when I uninstalled it, it did not remove it.
I have an un-rooted phone.
What is the best file manager to use to access the phone memory and see where the issue is, and allow me to delete it myself?
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Mar 16, 2010
Is it ok to drop Pending Intents in android if they are never used. Such as in an AppWidgetProvider where a Pending Intent that was never used be overwritten by a new Pending Intent. Or should we call cancel on all unused Pending Intents to clean up memory appropriately?
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May 30, 2010
Is there an app that enables a clean up of old unused files, cache, internet files, etc
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Aug 16, 2012
In cm roms, dalvik cache of system apps are generated in /cache but those data/apps are generated in /data. Is there any way to disable this behaviour? Cache partition in our phones is too small. In AOSP and AOKP and stock roms, dalvik cache is always generated in /data no matter whether its a system app. any way to achieve this in cm roms?
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Jul 24, 2010
I'm using apps to sd, and have been noticing my internal memory slowly dropping. If I remember correctly, this is due to apps storing their cache there. Any way to direct it to the sd card?
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Nov 8, 2010
Moved to troubleshooting.
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Aug 31, 2010
I have set of images fetched from internet and set it on gridview,here i have option to click here to view more,below the grid view and it fetches images and set it on grid with prevoius set of images,when i exit the application and run it again,the previous set of images remain in cache and grid shows images from cache,here i need to clear my application cache memory,when i exited my application.how can i get it.
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Sep 25, 2013
today my s4 was sluggish in typing and everything, and the ram and device storage were loaded right up. and in my attempts to speed up my phone and clear memory i wiped the phone, i tried moving my pics and vids to my sd card. i dont know if they went but now i cant get my s4 to mount sd card or get anything else to read my sd card. i was wondering if i didnt my files didnt get moved to my sd card could i recover them from my wiped s4? i dont think i can but then again do i know, i wiped my phone to make it run faster.
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Dec 1, 2013
I found it on my memory card from my Samsung Galaxy S3Attachment 94627 I had my hard drive stolen from my laptop and my phone settings etc were on my hard drive. The person who stole mt hard drive left these files after she finished doing what she did. Need to know if she can accsess my phone somehow.
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Nov 3, 2010
I'm trying to manage the files that I store in a local cache. I download files, then delete them after the total file size in the cache exceeds a certain number of bytes. What I'm shooting for right now is something simple: setting the max cache size to be 1 MB, or 1*1024*1024 bytes = 1048576 bytes. I have a method that gets the cache directory, then does a listFiles() on that File to get all children of the directory. I have a flat cache structure, no subdirectories, so simply calling f.length() on every child should give me my total cache size right?
Well what I'm finding is that the amount I count is about 0.9 of size reported in Manage Applications > Application Info for my app, in the Cache section.
Am I making a bad assumption that File.length() will actually return to me the size, in bytes, of a file on disk? I also wonder also if disk space in the Cache directory is being used by Android at all for some reason I'm unaware of.
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Feb 21, 2012
I have only 150mb of internal memory on my phone. These are some items that consume critical amounts of internal memory space. When I download an app, it seems I am downloading an install package. The installed app itself takes up additional space. I believe the install package persists on the internal memory, invisible to the average retail user, and takes up internal space even after the app is moved to the card.
Ex: an anonymous app
android market listed size- 3.51mb (this must be the download size of the installer)
download and install on internal memory, size listed- 5.73mb
move to SD card, size listed- 2mb
move back to internal memory, size listed- 5.73mb
Further thoughts:
1. The install package seems to remain on the internal memory even though the app moves to the card.
2. Beyond the above example, I went through each and every item listed in my settings - applications - storage use - All.
I found 105 total items on internal memory and SD card all together. By adding up the listed "Total" size of each (yes, I went through each and every one), I arrived at approximately 109mb. The phone lists internal memory use at 135mb. I would expect the internal memory use to be LESS than 109mb because some of the apps are on the card. My assumption is that much of this extra internal storage is taken up by all of the installers sitting invisible on the internal memory.
3. Based on observing the change in the Internal Memory usage when I delete app "Data", I believe the app data is being written to the internal memory even if the app is on the SD card.
Why isn't the install package deleted after the app is successfully installed? Is there an app for that?If I uninstall the app while it sits on internal memory, does it also delete the install package?If I uninstall the app without first moving it back to the internal memory, does it delete the uninstall package? How can I reclaim this internal memory space for actual use??
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Nov 4, 2013
what software is the best one to recover/restore delete files on android internal memory. I made a big mistake and select a full wipe in the aroma installer instead of a factory reset before. Now everything is gone on my internal space. For sure I will not commit this mistake again. Only the TWRP backup und Titanium backup is available on my PC. Very important for me is to restore the pictures that I've been lost.
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Nov 8, 2013
I have accidentally deleted very important files (.amr and .txt files) and they were located in the internal memory of my galaxy s 4 mini gt-i9190.
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Sep 2, 2013
I got sony xperia P suddenly i lost all files stored in memory card (photos,videos,etc,,,,) name for application to restore lost files. My device is not rooted and i don't want to root it.
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Jan 25, 2013
I have a Samsung Galaxy Tab 7.7, though I've seen people post about the problem with other devices, so I think this is an "Android" problem.
I just got the tablet about a week ago, but this is by no means my first tablet, or Android device. I don't want to root or anything -- I'm happy with the stock device, along with the apps I install and the files I download to it. I've got a 64GB microSD card (also Samsung brand), formatted as FAT32, and it works just fine.
So, I was filling the tablet up with media files, and I was downloading video files to it. It has 16GB of internal memory, and I figured I would fill up a bit more than half of that with some of my bigger video files. I downloaded a few files, then figured I could download a bit more, and downloaded a couple more. Then I looked at the free memory, and it was down to 3GB free -- "whoops, too much." So, I deleted the two files, which were about 3GB together. AND THE FREE MEMORY DIDN'T INCREASE ONE BIT.
And I've been trying to "get my memory back," ever since. So, here are a couple of screen shots I can show you:
First up is the usual Storage view:
OK, so what the heck is that 3.36GB in "Miscellaneous files?" That's roughly the size of the two files I deleted, so let's go in and take a closer look:
So, it's in the "System memory" up at the top. So, what is "System memory," and what could be taking up that kind of space? Some kind of "cache" that kept the two files I deleted in memory, perhaps?
So, from here, it's pretty simple: What is in that "System memory," and how do I clear it out?
It's NOT any "application cache" -- I've used apps that clean out the application cache, but they didn't touch this "System memory."
I've tried the "Wipe cache partition" from the recovery menu, and that didn't touch this "System memory."
I sure haven't seen any apps that can do it.
Or, is having a big wad of whatever in the "System memory" pretty typical, and thus it doesn't have anything to do with the fact I deleted those files and the free memory didn't increase? I doubt that, because I've seen quite a few screen shots of the Miscellaneous files screens that other folks have posted, and I have NEVER seen a "System memory" item at the top like I have.
At this point, I'm expecting that I'm going to have to do a full reset to the factory build, just to free up this big wad of unused memory. Of course, I would rather not do that, but if I'm going to do it, it would be "better sooner than later."
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May 15, 2012
Recently i have been experiencing that my memory card was not reading only my music mp3 files.
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Oct 23, 2010
I've experienced a strange issue running applications on the HTC Desire.
When I call getApplicationContext().getCacheDir() or getApplicationContext().getFilesDir() from my activity this always returns null. In the emulator /data/data/com.myapp.android/cache respectively /data/data/com.myapp.android/files is returned.
Because of that I'm not able to use the webview class as it tries to create cache files and crashes with a null pointer exception. The logs:
CODE:..............
I noticed that other apps have issues as well. For example the google finance app logs the following message:
CODE:.............
Why I cannot create folders in this directory?
Is there a possibility to set the fileDir and cacheDir paths to the sd card or somewhere else? I looked at some classes like Context, Webview and CacheManager but I could not find a way to change it.
Do I need to set a permission to create cache files?
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Nov 28, 2008
There are a couple of options within the browser I didn't find until after searching for it, so I thought I would share it with the rest of the community in order to help out.
-Everyone should clear the browser cache and previous history in order to save internal phone memory. To do this go to BROWSER press the MENU button and press MORE. There should be a list of things in there but what you should be interested in is the last item which is SETTINGS. From there in privacy settings there will be options to clear both cache and history.
- Another little tip I wanted to share was viewing webpages in landscape mode without opening your keyboard. To do this simply press the MENU button from within the BROWSER and go down to FLIP ORIENTATION. You should realize tho by doing this you browser will continue to be in landscape the next time it's used. In order to return it to it's normal portrait mode just follow these steps once again.
-There are a number of other things you can mess around with or find with the MENU button within the browser so just take a look at it yourself even if you don't want to do any of these tips.
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Sep 9, 2013
I have tried a lot of custom Roms. I'm on Neat ROM Lite now. Not sure which ROM changed my file access permission settings to cause this problem but I'm not able to delete any files from my external memory card. I was able to delete when I was on stock rom. The other problem is for a few apps I get an error message which says can't install on usb/sd card. I have posted this in another thread some time back but got no response.
This is what my file permission looks like.
I am able to delete when my fone is connected to PC via USB. So I don't think it has anything to do with a faulty sd card.
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Nov 18, 2013
After Installing a new firmware for my 8gb galaxy mega i9205 I got a internal memory error . If I open storage stats it reads 7GB miscellaneous files and if I open app manager it display as free space.Root explorer cant open the internal storage !
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Feb 22, 2010
I can access the external memory and i could delete all the files successfully.Please let me know if it possible to delete files(like Images,Videos,Audios etc) from internal memory?
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