Android :: Creating Cache Folder In Android Emulator?

Jun 21, 2010

I'm trying to cache an image obtain from a webside. However, CacheManager.getCacheFileBaseDir() always returns null. Do I need to create the cache folder in the android emulator? if yes, how can I do it? in which directory i need to create it in?

Android :: creating cache folder in android emulator?


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Android :: Creating Cache Files And Directories On HTC Desire

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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Android :: Creating Folder Using Program

Aug 6, 2010

I want to create a directory by using program in android sdk. Is it possible to listen the folder action like open folder and close folder etc.

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Android :: Error Creating Gen Resource Folder

Nov 13, 2010

My eclipse is not creating gen folder and android compilation creates error missing required gen folder.

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Android :: Creating Folder On Emulated Sd Card

Apr 21, 2010

I'm currently only testing things in an emulator due to not having an Android device as of yet. I'm honestly holding out for some of the new 1 Ghz machines to come out and do some comparisons. Anyway, I would imagine one would easily be able to make whatever folders they choose on an sd card, but on the emulated one, I can only seem to push entire folder contents or single files to the root. The adb help doesn't appear to have a command to make a folder. Is this not possible, or am I just missing something?

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Android :: Folder Organizer - Creating Contact Icons

Aug 9, 2010

I'm trying to customize the contact icons in the app 'Folder Organizer' and seem to be having trouble. Is it even possible to create contact icons in that app? I don't want to see the default blue & white icons, but either the Facebook icons in my address book or simply ones I choose myself.

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Android : Creating JUnit Project Or Test Source Folder

Mar 7, 2010

There is an option to create an Android JUnit Project.As far as I am aware the other way is to create a folder in the same project called test which contains the same package name as the existing project.What are the differences between these two methods.

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Android :: SDK Error Upon Creating Emulator

Jan 15, 2010

I am running into a problem creating an android emulator from the command line. When I run the android command the messages below output.

Starting Android SDK and AVD Manager
SWT folder 'libx86_64' does not exist
Please set ANDROID_SWT to point to the folder containing swt.jar for platform

I've already:

Execute SDK Setup.exe and brought down the android packages
Modified my environment variables to point to the tools folder
Verified that the SWT.jar was in fact located in libx86_64

I've already successfully set this up on my primary development unit. The system I am installing on now runs 64-bit Windows 7 (same as my other development unit).

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Android :: File Dialog - Allow User To Specify Folder/filename On Storage For Creating An SQLite Database

Jan 19, 2010

Is there something like a FileDialog available? From previous threads, it appears there isn't one.

If not, has someone written one?

I want to allow a user to

a) Specify a folder/filename on storage for creating an SQLite database.

b) Specify an existing file/folder on storage card for opening as an SQLite Database.

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HTC Wildfire :: Creating New Gallery Folder

Sep 6, 2010

If I go to the Gallery I get Camera Shots, All Photos, and All Videos. How can I create a new gallery folder to be visible here so that I can classify my pictures more easily. I tried creating a new folder on the SD card within DCIM100Media and using an app that rescanned the SD card but no luck.

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HTC Desire :: Creating Folder On Homescreen

Jul 10, 2010

I have figured out how to create a folder on my homescreen but for the life of me can't figure how to change the name of the folder or how to add shortcuts to different programs into a folder.

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HTC Hero :: Creating Folder Within Albums?

Aug 28, 2009

I just got this phone yesterday, so this maybe a really stupid question, but when I plug the Hero into the computer via USB, there is an DCIM file for photos, but when I create a new folder (with my computer) in this folder, it does not appear in the phone's album application.

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HTC Hero :: Creating Folder - Transferring Data

Jan 16, 2010

I've created some ring tones and want to transfer them to my phone. I see that I need to create a folder and I don't know how to that. I'll assign them to people in my contacts from there.

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HTC Droid Eris :: Creating Folder For Group Contacts

Dec 5, 2009

Am I able to create a folder that contains my group contacts?

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Android :: Read LARGE Sqlite File To Be Copied Into Emulator - Or Device From Assets Folder

May 28, 2010

I guess many people already read this article:

Using your own SQLite database in Android applications: http://www.reigndesign.com/blog/using-your-own-sqlite-database-in-android-applications/comment-page-2/#comment-12368

However it's keep bringing IOException at

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

I'am trying to use a large DB file. It's as big as >8MB. I built it using sqlite3 in Mac OS X, inserted UTF-8 encoded strings (for I am using Korean), added android_meta table with ko_KR as locale, as instructed above.

However, When I debug, it keeps showing IOException at

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

I suspect it's caused by trying to read a big file. If not, I have no clue why.
I tested the same code using much smaller text file, and it worked fine.

Can anyone help me out on this? I've searched many places, but no place gave me the clear answer, or good solution. Good meaning efficient or easy.

I will try use BufferedInput(Output)Stream, but if the simpler one cannot work, I don't think this will work either.

Can anyone explain the fundamental limits in file input/output in Android, and the right way around it, possibly?

WITH MORE DETAIL:

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

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Android :: Android - Image Cache Stategy And Memory Cache Size

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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Android :: High Density Emulator Use Drawable Mdpi Folder Instead Of Drawable Hdpi

Oct 19, 2010

I am running my application in the emulator using a high density skin (like WVGA800). However the ressources in my application are loaded from the drawable- mdpi folder instead of drawable-hdpi ... what else should I do so that android use the correct folder ?

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Games :: SNES Emulator Showing Folder Empty Option?

Jan 9, 2010

I bought the SNES emulator from market on my moto Droid. I then went to romhustler and downloaded 3 games. I made a folder for them and put them on my phone. I then pull up the snes emu the hit load rom, then clicked on the folder with my 3 downloaded games in it and it says folder empty. what am I doing wrong? I went to astrofile thingy and hit the zipped files to extract but when it hit extract nothing happens. Can anyone help me out?

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General :: Disable Moving Of System Dalvik Cache To /cache?

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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Android :: How To Play Videos In Android From Assets Folder Or Raw Folder?

Jun 12, 2010

I am trying to play a video in android emulator I have the video in my assets folder as well as the raw folder.But after doing some research still i cant play video in my emulator.i am working on android 2.1 My video format is mp4 so i don't think that should be a problem.Could anyone just give me an example code so that i can understand a bit more?The problem is that the VideoView that I need to display the Video will take only a URI or a File path to point to the Video.If I save the video in the raw or assets folder I can only get an input stream or a file descriptor and it seems nothing of that can be used to initialize the VideoView.

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Android :: How To Write Files To Assets Folder Or Raw Folder In Android?

Sep 21, 2010

I am working on some a application where I have to update some files present in assets / raw folder runtime from some http location.Can anyone help me to by sharing how to write files in assets or raw folder programmatically?

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Android :: SQLite - Works Perfect In 1.6 Emulator - Won't Work On The Phone - 2.2 - Or 2.0 - Emulator

Aug 6, 2010

I created a sqlite database to store playlists for a media player I am developing because of extended feature (rather than using the Content Provider). It works perfectly on the 1.6 emulator but FCs on anything higher than 2.0... what has changed that I need to know about as far as opening databases in SDK 2.0+? Here is the logcat.

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

Here is the dbhelper class

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

why can't stackoverflow just use tags like a normal syntax highlighter.

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Android :: Unable To Play Youtube Videos On SDK 1.5 Emulator - But Playing Well On SDK 1.0 Emulator

May 19, 2009

Unable to play youtube videos on SDK 1.5 emulator - but playing well on SDK 1.0 emulator. Can you update the source....

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Android :: Emulator - ERROR - User Data Image Is Used By Another Emulator

Apr 13, 2010

Finally strace gave me this:

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

And several other attempts to call "link" that also fail (sshfs does not support hard links).

Is it possible to change the emulator's behavior to create lock files somewhere in /tmp (using some hash of image path as lock file name)? I am OK to try this myself: which repositories from https://android.git.kernel.org/ are necessary to rebuild the emulator alone, and where in the sources is the code responsible for image locks?

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Android :: Emulator - SDK 1.1_r1 For Widndows XP - Crash Using Emulator -data

Apr 20, 2009

I need to run several emulator instances to test my application. When i try to run instances using emulator -data <path> option, the emulator crashes.

I got a MS Visual Studio window informing that emulator throws a "unhandled win32 exception".

The exception message in the debugger (MS Visual Studio 2008) is: "Unhandled exception at 0x77c4706c in emulator.exe: 0xC0000005: Access violation reading location 0x03216848"

The emulator runs normally without "-data" option.

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Android :: Emulator Error - User Data Image Is Used By Another Emulator

Nov 1, 2010

I am getting the following error when I try running my program in the emulator:

emulator: ERROR: the user data image is used by another emulator. aborting`

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Android :: Application In Emulator Without Restarting Emulator In Eclipse?

Apr 8, 2009

Is there a way to reload an Android application in the emulator without closing the emulator, saving any code changes, and running the emulator again? If I make even a simple change to the layout, it takes about 30 seconds by time I run it in Eclipse and Android "boots", and I can unlock the emulator to run the application. Is there any way to shorten this time when making changes, or is it something I just have to deal with?

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Android :: Start-emulator Task Never Gets Emulator Running

Mar 16, 2010

I downloaded the most recent version of Android for linux (android-sdk_r05-linux_86.tgz). I was trying to use the the Android Ant task(s) for packaging, building, and deploying my code. I should mention that I'm running AMD64, but have the 32-bit libraries installed. The Android Ant tasks are all broken.

First, the start-emulator task never gets the emulator running. It does get past starting adb, but then just sits there.

Second, the SDK is missing the aapt binary in the tools directory. So, the example notepad sample application will not even package correctly.

I have all the dependencies configured for Android. I can run it from the command line just fine.I assume the Ant code is out of sync with the recent SDK updates. Can anyone shed some light on this problem? At this point, I'm considering writing my own Python scripts to interact with the Android SDK. Ugh.

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HTC Desire :: Access To Junk Mail Folder And Trash Folder

Oct 15, 2010

I have set up the stock mail app on my desire to receive my hotmail account mail. However i only have access to the inbox folder. Is there a way to get access to my junk mail folder and trash folder?

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HTC Droid Eris : Embedded Folders - Put A Folder Inside Of A Folder

Feb 7, 2010

Is there any way to make embedded folders? I'm wanting to put a folder inside of a folder. I don't see any possible way. Does any one know if it's possible?

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