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19

The Dalvik cache is the set of saved .dex files. A .dex file is basically a compiled bytecode version of an app that has been built for the Dalvik Virtual Machine on which Android's apps run. It's similar to the Java Virtual Machine and having saved .class files.


9

/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". ...


6

As far as I can tell, Android doesn't keep around a lot of cached files for the OS. Your phone's recovery mode should also have a "Clear cache" option that would do the trick, and you can clear individual app caches from Settings -> Applications -> Manage applications.


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 ...


5

You can do factory reset under such case. Go to Settings -> SD & Phone storage -> Factory data reset. I don't think an app without root can do it as apps are limited in their own sandbox.


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.


4

If you mean clearing all app and user data on the phone, you can do a factory reset via Settings -> Privacy -> Factory data reset. Note that this erases all data on the phone, not just app data.


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

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 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 ...


3

If you go to the bottom of the search results page, you will see something like (View Google in: Mobile | Classic), you can click on "Classic" to view the current search result in desktop version of Google, which of course have the 'cached' link.


3

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 ...


3

A quick bit of experimentation shows that they will be able to view your cached Gmail, but will not be able to download new mail.


3

When you leave an app that was running in the screen, it stops running, but Android keeps its process in memory. This means that next time you want that app in the foreground, or next time it runs a service in the background (e.g. to check for email), the app can run again without Android having to load it from storage again. This means it starts faster and ...


2

Google's YouTube app has an option to preload videos that are either in a channel you are subscribed to or that are in your "watch later" list. I haven't tested this but I think it will keep a video that you have preloaded cached for a while after you watched it for the first time.


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

Yes you can safely delete the folder. For details and a permanent solution (to stop regeneration of this folder) check this


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

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

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

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

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

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


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

This is normal behavior, my brother has a moto e (same amount of ram), and it ends up unloading lots of recent apps, if this was a priority you maybe should have gone with a different phone (the moto g has a good processor, so can run plants vs zombies, but it can't multitask as well.


1

So I figured this out. Somewhere along the line, Google moved the offline music/cache to /data/data/com.google.android.music/.



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