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8

/cache partition is mostly for saving the downloads from Google Play Store, found in /cache/downloads. It also can hold the recovery log found in /cache/recovery called last_log as well (this holds any errors and/or diagnostics from the recovery binary a lá CWM or stock, which will get logged in the file to aid debugging and development of the recovery ...


7

To give a closer overview on filesystems used on Android devices, here's a short table with a selection of the more important ones: +---------------+------------------+------------------------------------------+ | Mount Point | File System Type | What to find here | ...


6

Since you asked this question, Google has added a "pre-cache map area" feature to Google Maps's experimental Labs features. You first have to go into Settings > Labs and enable "Pre-cache Map Area", then visit a place page (either by clicking on a POI or long-pressing somewhere on the map), look at the list of "More Options", and click "Pre-cache Map Area". ...


5

In Android, the DNS Cache is not on the OS level (Linux), but on the Java level (managed by java.net.InetAddress). Therefore, it is not possible to list the cache contents from the shell, however you can access it from the Java code. Please see Java DNS cache viewer question on StackOverflow, one of the answers has a sample Java code that prints the ...


4

Things that would be cleared are anything that isn't saved, open applications, etc. For example, if you were playing a game, and just pressed the home key the game would go to the background and be paused. When you restart your phone, you will lose that game (up until the last point it saved). Other things that you leave half finished, such as an ...


4

I see Calendar and Calendar Storage in my "All apps" list in Settings. If I open either of them, I also see the old, familiar Clear Data and Clear Cache buttons.


4

This won't answer your question for Google Maps, specifically, but have you tried using an offline map application such as MapDroyd? Would that suit your needs? You download the entire map beforehand and therefore wouldn't have to use your data to view the map.


3

I finally figured it out, here's how I did it: Even though adb can't get root, and the phone it's self can't get root, as it turns out, there is in fact one more way to clear the cache without fully booting the phone. Turn the phone off Make sure you have fastboot working on your computer Press the power button on the phone and then hold down the volume ...


3

Two pieces of ground I want to cover here: /cache is typically a separate partition on your device, which wouldn't be mountable by a PC via USB, which is why that isn't working. The USB connection generally accesses a directory named "sdcard" (or similar) which is used as an external storage device, although this storage area doesn't have to be physically ...


3

Don't confuse the App-Cache with the Dalvik Cache: App Cleaner refers to the App-Cache (e.g. cached files from the internet, aka "webcache", or from other components of the app), while the Dalvik Cache's .dex files are placed on app installation (they are an optimized version of the app code). So basically you compare apples with oranges. As for your ...


2

There are plenty of apps available that will do this. One that supports both manual and periodic cache cleaning: 1 Tap Cleaner 1-Tap to clean all cache, search histories and calls log. A default cleaner is also included. Are you running out of application storage? You now can get more available storage space by clearing apps created cache/data ...


2

There are apps like TubeMate or EasyTube that let you download Youtube videos to your phone internal storage or to the SD card in order to allow you to see these videos whenever you want wherever you want. Maybe this is what you are looking for.


2

Always the way, innit? 5 minutes after I ask, I stumble across this. It's not super elegant but its success is in its simplicity. Simply replace the dedicated /cache partition with a link to the internal SD card, and Bob's your uncle. Has to be repeated on reboot, so not perfect, but way better than not installing at all!


2

Off in the world of real computers, with very fast memory and orders of magnitude slower storage--hard disks--there is the concept of virtual memory. Basically, each application gets what seems like a very large amount of memory, an address space. Behind the scenes, this address space is broken up into pages that are transfered between real, fast, memory ...


2

You might want to take a look at DirectoryBind, which was developed for things like this. It takes care for the user-configured "mounts" at boot-time and also on-demand, so nothing should "disappear" on a boot. Basically, it is intended to map things from internal/phone storage to external/sd storage -- especially for cases like yours, were internal memory ...


2

That's unlikely to be possible. Dalvik cache is stored in /data/dalvik-cache, and doing an ls -l /data (as root) shows: drwxrwx--x system system 2013-03-29 14:54 dalvik-cache As you can see, it is owned by user system of the group system, and all other users only have "execute" permission (i.e. they are only permitted to change into that ...


2

Maybe you try two avenues: Dolphin Browser (Which does prompt for to clear cache, etc on exit), there's the Mini version, this version as linked to the Play Store, and the HD version. History Eraser - this clears all the history of SMS, Calls, Browser history etc in one swell foop.


2

All memory caches are safe to be cleared, as they need to be designed as such since Android will clear them when memory get's tight. Caches stored to disc will include things saved. However, most applications either save to file or utilise an sqlite database. These can be backed up with a file manager e.g. es explorer and an sqlite manager e.g. the one with ...


2

Any cache can be cleared. Clearing the cache will not remove app settings. Read more from this closed question in StackOverflow (should be migrated here): What's the difference between clear cache & clear data in android settings


1

Thanks @RossC and @filoxo for your comments. Adding these as answer: If you are rooted there is an option in Titanium Backup Pro to remove anything from the Dalvik Cache not linked to an app. This orphan data suggests that data may remain in the cache after the app is no longer using it or even uninstalled. There's also nothing wrong with ...


1

Taking a look at our app2sd tag-wiki, there is a solution to that – but it requires your device to be rooted. Simple2Ext (S2E) offers to move apps, their data, and some cache to the SDcard. Alternatively, as cache resides on its own /cache partition, you could also use DirectoryBind to move that to SDcard entirely. Again, this requires root.


1

Very unlikely. That's the MediaScanner's responsibility. For faster access it scans all directories on given events (e.g. SDCard mounted, boot_completed) and stores the results in a database, where most players pick it up from. So you can either use a tool like e.g. SDrescan to trigger the MediaPlayer's scan whenever you've manipulated files -- or find ...


1

Alas, that's not possible. At least not without reflashing the HTC's partition table (which happens to be in the bootloader section, aka. hboot). There's seemingly no modded hboot out there for the explorer. I only know of repartitioned hboots for the HTC Desire. Reason: /cache is backed by a separate block device on all Android devices(i.e. mount-point or ...


1

It's possible that if you use the Download Map lab, you'll be able to clear your cache (but not data) without also clearing the maps. But you can't do directions or search with those maps. In reality I think you'd probably be better off downloading an app specifically made for offline maps access, such as MapDroyd.


1

The reason you're getting that error is because your /datadata cache is filling up. The way I solved it on my phone was to get the MarketFix app from the market, and run that. It's a small app, so you shouldn't have any trouble downloading it. This probably does the same thing you found, but you only have to run it once.


1

Quick App Manager is also a good (albeit not-free) choice for bulk cache cleaning. With it you can do one-touch clearing of all application cache. Quick App Manager Quick App Clean Cache becomes Quick App Manager, a complete and powerful application manager: Cache cleaner History cleaner Task killer App 2 SD manager (for Android 2.2 or ...


1

Google Maps was developed to be used when connected to the network so I don't believe there is a possibility to make it cache a complete area. You should then take a look for an alternative mapping application that supports offline mode. For instance, the OsmAnd application might do everything you are looking for.


1

you can delete the application cache directories, in /data/data but that will also remove any settings and things like that. You can also use Clockwork recovery (if its available for that device) and "wipe data", but again, it will clear out the settings too. If the SDCard is the big concern, you can either use ADB or even Windows (when the sdcard is ...


1

I am not sure about the G2X, but when I would reboot in to recovery on my Galaxy S Vibrant, I used to have to "apply updates", which would run the update.zip that was on the sdcard, this would bring me in to the clockwork recovery. I also know that the adb reboot recovery does not yet work correctly on the Galaxy S Vibrant version, so this could be the ...


1

I would think, that videos are not cached because of memory constraints on mobile devices. Software developers have to design and implement software that works for the great majority of users. Perhaps adding an intelligent (device agnostic) cache function is not on the top of functionality they want to implement right now.



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