Writing Text To Internal Storage

Mar 12, 2014

Im trying to write a string to a text file on the phone internal storage

i use the following code

protected void writefile() {
String FILENAME = "filedemo.txt";
String content = txtMessage.getText().toString();
try {
FileOutputStream fos = openFileOutput(FILENAME,MODE_PRIVATE);

[Code]...

I understand this writes it to the internal storage in data/data but I want it to store in a folder called "Datafiles" which I can access via my PC or using a file manager.

Writing Text to internal Storage


Android :: Reading And Writing To File In Internal Storage

Jun 27, 2010

I'm writing a simple budget app for myself, and I'm having trouble figuring out how to write to internal storage. I don't seem to be writing to the file properly and I can't find any more in depth examples than the Data Storage article on developer.android.com. Basically, I'm trying to write a test float to the MyBalance file, then read it into balance. In my actual code I use try/catch statements around the file in/out operations but I skipped them to make the code more readable.

float test = 55; float balance; byte[] buffer = null;
FileOutputStream fos = openFileOutput( "MyBalance", Context.MODE_PRIVATE );
fos.write(Float.floatToRawIntBits(balance));
fis.read(buffer); //null pointer
ByteBuffer b = ByteBuffer.wrap(buffer);
balance=b.getFloat();

That's the gist of it, anyone see what I'm doing wrong? I went ahead and converted to/from String but I still don't think the file is being created. I have an if statement that reads from it if it exists in onResume() and it isn't being run. Lemme post some of my code. Here's how I'm writing the file, (setbal is an EditText and balanceview is a TextView):

balance = Float.valueOf(setbal.getText().toString());
balanceview.setText(setbal.getText());
balstring = String.valueOf(balance);
for (int i = 0; i < balstring.length(); ++i)
try { fos.write((byte)balstring.charAt(i));
} catch (IOException e) { e.printStackTrace();
}
I check if the file exists in onResume() like so:
File file = new File("data/data/com.v1nsai.mibudget/balance.txt");
Is that where an internal file for that context would be stored?

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Aug 23, 2013

I've bought this chinese clone of the SIII, it's a MT6575. It's great except for the internal storage, which supposedly is 500MB but there seems to be an invisible SD storage which is 2GB. It's really confusing... When I go to Settings -> Storage there are 3 memories: "Internal Storage" (claims to be 4GB but it's fake, it's actually 500MB), "Phone Storage" (claims to be 16.5GB but it's probably 2GB), and finally my SD, "SD Card" (32GB).

The thing is, I'm having problems downloading big apps because apps go to "Internal Storage" which is 500MB only, and which files are stored in the "Phone Storage" (maybe internal & phone are actually the same?). However when I go to Settings -> Apps, on the "Downloaded" tab, the apps are in "Internal Storage" (500MB), and on the "On SD Card" tab, it shows that apps are in "Phone Storage" (the ones I moved to SD). This means my 32GB SD isn't being used by the system when I send apps to SD probably.

Also, my 32GB SD card is found in /mnt/sdcard2, and the /mnt/sdcard... I don't know which storage is that.

So basically all this is happening because I tried to Link2SD with my 32GB SD doing all the 2 partitions stuff and so, but Link2SD never detects the "secondary SD" which is the 32GB SD, as this fake SD card, "Phone Storage", is probably what the programs thinks to be the SD card.

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Nov 19, 2013

I bought my new phablet that was powered by 4.1

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it is not a problem if i could write apps on phone storage by default but even though the 'write to phone storage' is checked, when i downloaded an app, the internal storage still losses free space.

so is it possible to extend internal storage?

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Aug 18, 2010

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Jun 7, 2010

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Jun 29, 2010

Is anybody else getting missing internal storage?

This has been happening since I got the phone on launch day. This is my first Android phone so maybe this is supposed to happen. But when I reboot the phone, internal memory disappears.

As a test I didn't install or uninstall any apps, didn't get any updates, nothing. After two days I reset the phone and was at 327 megs of storage. After the reboot I had 320. This has been happening every few days.

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Capacity: 6.60GB
Available: 3.86GB

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Aug 4, 2010

I have the Internal memory Widget on my homescreen and in the past few hours the amount of internal memory used has jumped from 92mb/147mb to 118mb/147mb. I'm struggling to figure out why.

I have Mobile Internet enabled as always, and I use several well know apps and widgets like Sky News, BBC News, Chomp SMS, Twitter, Facebook for Android, etc. I've checked every app using Settings > Applications > Manage Applications and only a couple of apps had a cache size over 1mb, most didn't have stored data at all. Facebook had about 4.5mb of cache data, but all this adds up to a total much less than the 26mb increase that the memory widget is reporting.

Anyone know what could be filling the storage?

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Oct 17, 2012

in my App I want to generate some html files and store them in the internal storage. In my WebView I want to open the generated html by clicking a link. Does a Url to the stored file exist? Something like "internal://mygeneratedfile.html"?

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Jun 7, 2013

I have an HTC Vivid which has a total of 16 GB internal space. Or at least it did. I had been running a JB custom ROM, but was bored today so I decided to flash a custom ICS one.

I backed up all my personal stuff to my PC, and wiped everything from recovery -- both caches, factory/data, system, and for good measure the internal sdcard (so there wouldn't be any potential conflict with the JB installation.

After I booted up, I checked the storage stats, and I now have around 6 GB total. Where's the rest, and what should I have done differently? It seems as if a partition isn't mounted or something. Is this space retrievable?

HTC PH39100 using Tapatalk 2

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I'm using an EVO LTE, but this question should apply on using Android device that has internal storage and an external card slot.

I'm trying to use my EVO LTE as my sole media player (specifically, the internal storage). Connecting it to the PC and getting the files onto it are no big deal (of course I do need to use MTP, which I hate). Now on to the problem:

I'd like to be able to use the device connected to my car's USB port. Being able to pick through my media using the car stereo controls is a big plus for me, and worked great when I had an iPod (which I don't anymore, not getting into that).

Of course, the car stereo's USB connection doesn't support MTP, only Mass Storage, at least as far as I can tell (It's a stock stereo in a Fit). I get a compatibility type of error currently when I try to connect my phone using the 'HTC Sync Manager' USB option in the phone (which mounts the device using MTP). The 'Disk Drive' option of course only mounts the external card.

what I'd love to be able to do is mount the internal storage via USB Mass Storage. I'm not sure if this is currently doable, but my forum-scouring to date leads me to believe that it is not.

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Jun 4, 2013

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Nov 9, 2013

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