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Author Topic: Bitcoin Wallet for Android  (Read 114950 times)
Vandroiy
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November 14, 2011, 10:05:02 PM
 #101

I got them out again using system backups. Good thing I made sure my addresses are on there before using them.

The stack trace was mailed by the app itself, the few seconds it takes before crashing are long enough to discover the crash and let me send the stack trace; it only blows up a moment later. Tongue It was some sort of null pointer exception.

Yea, I'll stay away from it for a bit longer. This doesn't seem ready for field use. It's just that I really really really want to use BTC away from my "secure dedicated trading machine that nobody except I should touch". That's just... anti-social usage. Being able to pay or tip people by phone would be really awesome.
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Cryptoman
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November 22, 2011, 08:17:49 PM
 #102

I'm having a bit of trouble.  I sent 10 BTC to the Android client on October 24, and it was received fine.  Then, I sent 1 BTC to a PC client the next day to test sending.  No problem.  My balance was 9 BTC for several weeks until a recent Android client update.  Now the balance reads 18 BTC, and of course the math doesn't add up when compared to the transactions.  I'm going to do a block chain and transaction reset and see what happens.

EDIT: OK, that fixed it. 

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caveden
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November 24, 2011, 01:39:17 PM
 #103

Some info about wallet backup is contained in

http://code.google.com/p/bitcoin-wallet/source/browse/trunk/README

I've heard you can use TitaniumBackup to backup app-private data.


I'm afraid I can't find the wallet file in data folder, in fact it is empty. Could anyone give me a hint where to look?

Same thing here. The directory /data/data does not exist. Where else could my wallet be? Do I need a rooted android just to find the wallet?

18rZYyWcafwD86xvLrfuxWG5xEMMWUtVkL
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November 25, 2011, 10:22:20 AM
 #104

Some info about wallet backup is contained in

http://code.google.com/p/bitcoin-wallet/source/browse/trunk/README

I've heard you can use TitaniumBackup to backup app-private data.


I'm afraid I can't find the wallet file in data folder, in fact it is empty. Could anyone give me a hint where to look?

Same thing here. The directory /data/data does not exist. Where else could my wallet be? Do I need a rooted android just to find the wallet?

You have to:
- grab Android SDK here: http://developer.android.com/sdk/index.html
- connect your phone to pc with appropriate driver
- grab your private key with help adb.exe: adb /data/data/de.schildbach.wallet/files/key-backup-asn1
- use your private key to reclaim your btc (via mtgox for example)

pazor
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January 17, 2012, 08:01:49 AM
 #105

hello andreas,

here a little idea...

copied from
https://bitcointalk.org/index.php?topic=53353.40

/*
 loving the app so far, only thing i would like to see is a bit of basic security.

i.e. a 4 digit pin entered when you first open the app. Both sending BTC and exporting private keys should require this pin. if someone grabs or steals your phone at least you know they won't be able to instantly transfer all of your coins, giving you a bit of time to add the private key elsewhere and transfer them out.

*/

greetings
pazor

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BTC 174X17nR7vEQBQo4GXKRGMGaTmB49Gf1yT
cande
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February 26, 2012, 01:57:30 PM
 #106

You have to:
- grab Android SDK here: http://developer.android.com/sdk/index.html
- connect your phone to pc with appropriate driver
- grab your private key with help adb.exe: adb /data/data/de.schildbach.wallet/files/key-backup-asn1
- use your private key to reclaim your btc (via mtgox for example)

that only works if you have your phone rooted, right? because i can't access /data/data without getting permission denied from adb. And since the wallet application is not in debugmode, the run-as don't work either, so is there another way to extract my private key?

Is it possible to reinstall the application with the android:debuggable="true" ?

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tgmarks
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March 07, 2012, 10:04:38 PM
 #107

Big fan of the app and use it regularly.  This is a big deal in the long run for the viability of bitcoin.

payb.tc
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March 07, 2012, 10:59:22 PM
 #108

is it still being worked on? i used it a few months ago but uninstalled it.
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March 07, 2012, 11:01:00 PM
 #109

is it still being worked on? i used it a few months ago but uninstalled it.


Yes, he did a fix for me last month when I was having feb 12th trouble and then released the newer version with NFC not very long ago.

cypherdoc
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March 15, 2012, 04:22:04 AM
 #110

WARNING!!!!

installed this on my Android a couple of days ago along with 1 BTC.  tonite the 1 BTC and entire installation gone from my phone. 

everything else on the phone seems intact but i can only assume some malware took the wallet.  too bad.  was looking forward to using this; i'd heard alot about it.
Mike Hearn
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March 15, 2012, 12:25:34 PM
 #111

The app itself was gone? And you're sure you didn't uninstall it?

That's really weird.
imsaguy
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March 15, 2012, 01:41:09 PM
 #112

I'd suggest anyone thinking about using this software (or any wallet software) to invest in a backup app.  I use Titanium Backup Pro and it has saved me multiple times when upgrading/downgrading/etc.

Coming Soon!™ © imsaguy 2011-2013, All rights reserved.

EIEIO:
https://bitcointalk.org/index.php?topic=60117.0

Shades Minoco Collection Thread: https://bitcointalk.org/index.php?topic=65989
Payment Address: http://btc.to/5r6
cypherdoc
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March 15, 2012, 02:12:00 PM
 #113

The app itself was gone? And you're sure you didn't uninstall it?

That's really weird.

exactly.  of course i didn't uninstall it. 

in fact, i downloaded it to try b/c you had just released the new version of BitcoinJ to it and MultiBit so i thought i'd better give it a try.

if you have any suggestions about how i could be a dummy please feel free to suggest but the whole thing is gone.  Sad
tgmarks
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March 15, 2012, 02:17:13 PM
 #114

Malware on android that completely uninstalls an app?  That would be a new one.

imsaguy
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March 15, 2012, 03:34:33 PM
 #115

The app itself was gone? And you're sure you didn't uninstall it?

That's really weird.

exactly.  of course i didn't uninstall it. 

in fact, i downloaded it to try b/c you had just released the new version of BitcoinJ to it and MultiBit so i thought i'd better give it a try.

if you have any suggestions about how i could be a dummy please feel free to suggest but the whole thing is gone.  Sad

The app does make backups of the wallet. if you browse to /data/data/de.schildbach.wallet, there should be multiple copies of your wallet.  That data survives an app uninstall.

Coming Soon!™ © imsaguy 2011-2013, All rights reserved.

EIEIO:
https://bitcointalk.org/index.php?topic=60117.0

Shades Minoco Collection Thread: https://bitcointalk.org/index.php?topic=65989
Payment Address: http://btc.to/5r6
roomservice
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March 15, 2012, 03:52:11 PM
 #116

The app itself was gone? And you're sure you didn't uninstall it?

That's really weird.

exactly.  of course i didn't uninstall it. 

in fact, i downloaded it to try b/c you had just released the new version of BitcoinJ to it and MultiBit so i thought i'd better give it a try.

if you have any suggestions about how i could be a dummy please feel free to suggest but the whole thing is gone.  Sad

The app does make backups of the wallet. if you browse to /data/data/de.schildbach.wallet, there should be multiple copies of your wallet.  That data survives an app uninstall.

Afaik the private key of the wallet is stored into a secure folder on the phone. 3rd party software or malware can't access this folder unless you have your phone rooted.

"Tonight's the night. And it's going to happen again, and again. It has to happen. Nice night."
cypherdoc
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March 15, 2012, 03:59:01 PM
 #117

i may have found the problem except i can't verify right now b/c my phone is on low power.

i didn't have a box checked that would allow me to download "unknown apps outside the Android Market".  this i find weird b/c despite that i was able to initially download app with blockchain and test it from Android Market.  once i checked box it asked me to reinstall over old install.  checked yes and app popped back up with 1 BTC in it.  thats when my power went dead.

so i think it will be ok.
cypherdoc
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March 15, 2012, 04:07:13 PM
 #118

The app itself was gone? And you're sure you didn't uninstall it?

That's really weird.

exactly.  of course i didn't uninstall it. 

in fact, i downloaded it to try b/c you had just released the new version of BitcoinJ to it and MultiBit so i thought i'd better give it a try.

if you have any suggestions about how i could be a dummy please feel free to suggest but the whole thing is gone.  Sad

The app does make backups of the wallet. if you browse to /data/data/de.schildbach.wallet, there should be multiple copies of your wallet.  That data survives an app uninstall.

i had to go to the backup and click on it to discover the above solution.  my phone isn't rooted either.
Andreas Schildbach
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March 21, 2012, 04:01:42 PM
 #119

The app does make backups of the wallet. if you browse to /data/data/de.schildbach.wallet, there should be multiple copies of your wallet.  That data survives an app uninstall.

While yes, your private keys (not the whole wallet) are backed up multiple times to the quoted location, I'm afraid they won't survive app uninstall. Afaik, Android removes the complete app directory under /data/data - but I may be wrong.

Bitcoin Wallet for Android: Your own Bitcoins, in your own pocket!
https://play.google.com/store/apps/details?id=de.schildbach.wallet
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March 26, 2012, 05:25:05 PM
 #120

I just posted some feature requests in the Bitcoin Spinner thread but since it applies to any mobile app I'll link to it here as well:
https://bitcointalk.org/index.php?topic=53353.msg820451#msg820451

But anyway, I really appreciate the work both of you are putting in to your clients. And I absolutely love the design and layout of your app. Mobile apps are the way to go to promote bitcoin.

The thing that is really holding me back from using your app though, is the need to download the block chain. This particularly holds me back from promoting your app to others since I want to show people the ease of use with bitcoin and the waiting period kind of puts people of. So I'm wondering what your future plans are regarding this and if I can look forward to a future light weigth client with your design and features.
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