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Author Topic: Bitcoin Wallet for Android  (Read 115014 times)
Mike Hearn
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October 23, 2012, 01:03:18 PM
 #241

It's a process size limit:

https://groups.google.com/d/topic/android-developers/2tW-jKJsHFE/discussion

so there's no native-code get out of jail free card.

As I said, we already know the solution.
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Yuhfhrh
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October 24, 2012, 07:04:30 AM
 #242

Is there a way to import your own private key?
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October 27, 2012, 03:14:58 AM
 #243

I just released 2.31 final to market. So key import/export is now available to everyone. Well mostly everyone. I had to raise the minimum requirement to Froyo (Android 2.2) and above.

Thank you!!!!!
I've been patiently waiting :-)


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Wekkel
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October 27, 2012, 08:59:02 PM
 #244

For those that need guidance, I wrote a piece on retrieving BTC: http://wekkelos.blogspot.nl/2012/10/save-bitcoins-from-android-bitcoin.html

Like this post? you can tip me (BTC) 1LGi2DMhectdFSkBid5srrnHk8WHgD3V1d or very WoW (Doge) D9p6FZQb1sKkq9hApy4tnjSduYfdnc74bb
Jouke
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October 28, 2012, 07:26:10 PM
 #245

What are the timestamps in the keys-file? Are they necessary?

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Jouke
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October 29, 2012, 11:09:39 AM
 #246

What are the timestamps in the keys-file? Are they necessary?
Made up some timeformat and imported my vanitygen key \o/.

For personal uses I now totally switched to the android wallet Smiley

Maybe a nice feature would be to be able to import private keys trough qr-codes Smiley

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Distribution
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October 29, 2012, 04:54:13 PM
 #247

I'm not sure if this has been addressed, but I think I accidentally sent bitcoins to an old address I had with this app. I have the prodnet.wallet fileand I was wondering how I can import the keys now that it uses a different wallet file.

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Syke
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October 31, 2012, 10:27:53 PM
 #248

I just released 2.31 final to market. So key import/export is now available to everyone.

Loving the key import feature. Now I have my mobile privkey backed up, and I don't have to worry about losing it.

Buy & Hold
teste
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November 01, 2012, 01:16:18 PM
 #249

Hi Bitcoin Wallet for Android Developer,

I have a tablet with BlackBerry Playbook system and I really would like to run Bitcoin Wallet app on it.
It's possible to repackage Android apps to BlackBerry App World, see: http://developer.blackberry.com/android/documentation/Mastertopic_1849583_11.html

Could you do it?

Thanks.
BitCoiner2012
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November 04, 2012, 09:50:45 PM
 #250

App is driving me nuts.. did a couple larger transactions fine and seemed useful as a utility. However now even after trying to reset the chain etc it just randomly decides I have unavailable balance, even if I have previously spent some and received none in the mean time. Really making me pull my hair out right now.

Reset blockchain, managed to get it up to date and send one transaction before it locked up again. Freezes after three resets on 2week sync, refuses to finish.. should have used that one transactions ti send my coins out!

BTC Long.
barbarousrelic
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November 05, 2012, 12:22:31 PM
 #251

App is driving me nuts.. did a couple larger transactions fine and seemed useful as a utility. However now even after trying to reset the chain etc it just randomly decides I have unavailable balance, even if I have previously spent some and received none in the mean time. Really making me pull my hair out right now.

Reset blockchain, managed to get it up to date and send one transaction before it locked up again. Freezes after three resets on 2week sync, refuses to finish.. should have used that one transactions ti send my coins out!

This is the same problem I'm having, if you start with an empty wallet, receive 10 Bitcoins, get a lot of confirmations, and you then  spend .01 Bitcoins, it now tells you that you have 9.99 Bitcoins waiting for confirmation again. This is a bug and needs to be fixed.

Do not waste your time debating whether Bitcoin can work. It does work.

"Early adopters will profit" is not a sufficient condition to classify something as a pyramid or Ponzi scheme. If it was, Apple and Microsoft stock are Ponzi schemes.

There is no such thing as "market manipulation." There is only buying and selling.
Yuhfhrh
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November 05, 2012, 07:28:31 PM
 #252

Is there a way to import your own private key?

Thanks so much!  Grin

Edit: I'm not seeing how we are supposed to import our private key. Do I need to save it as some type of file?
BitCoiner2012
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November 05, 2012, 09:19:09 PM
 #253

App is driving me nuts.. did a couple larger transactions fine and seemed useful as a utility. However now even after trying to reset the chain etc it just randomly decides I have unavailable balance, even if I have previously spent some and received none in the mean time. Really making me pull my hair out right now.

Reset blockchain, managed to get it up to date and send one transaction before it locked up again. Freezes after three resets on 2week sync, refuses to finish.. should have used that one transactions ti send my coins out!

This is the same problem I'm having, if you start with an empty wallet, receive 10 Bitcoins, get a lot of confirmations, and you then  spend .01 Bitcoins, it now tells you that you have 9.99 Bitcoins waiting for confirmation again. This is a bug and needs to be fixed.


Bingo. It is good if I want to make one transaction every six hours or more, but that's about the extent of it.

BTC Long.
Mike Hearn
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November 06, 2012, 07:48:27 PM
 #254

You only have to wait one block to spend coins. In future we'll let you spend change with no confirmations, but this is just a change to the spending policy. From the perspective of the Bitcoin network if you receive 10 coins, wait for 6 confirmations and then send 0.1 coins somewhere else, what actually happened behind the scenes is that you received a new payment of 9.9 coins back to yourself (as "change"). So it's correct that it's unconfirmed.

Of course, you don't really need to wait for confirmation in this case as you know you aren't going to double spend against yourself.
Yuhfhrh
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November 06, 2012, 10:07:02 PM
 #255

You only have to wait one block to spend coins. In future we'll let you spend change with no confirmations, but this is just a change to the spending policy. From the perspective of the Bitcoin network if you receive 10 coins, wait for 6 confirmations and then send 0.1 coins somewhere else, what actually happened behind the scenes is that you received a new payment of 9.9 coins back to yourself (as "change"). So it's correct that it's unconfirmed.

Of course, you don't really need to wait for confirmation in this case as you know you aren't going to double spend against yourself.

+1 Thanks
barbarousrelic
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November 07, 2012, 02:52:19 AM
 #256

From the perspective of the Bitcoin network if you receive 10 coins, wait for 6 confirmations and then send 0.1 coins somewhere else, what actually happened behind the scenes is that you received a new payment of 9.9 coins back to yourself (as "change"). So it's correct that it's unconfirmed.

Does the bitcoin.org client behave in this way?

Do not waste your time debating whether Bitcoin can work. It does work.

"Early adopters will profit" is not a sufficient condition to classify something as a pyramid or Ponzi scheme. If it was, Apple and Microsoft stock are Ponzi schemes.

There is no such thing as "market manipulation." There is only buying and selling.
Syke
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November 08, 2012, 03:03:40 AM
 #257

Is there a way to import your own private key?

Thanks so much!  Grin

Edit: I'm not seeing how we are supposed to import our private key. Do I need to save it as some type of file?

Use the export feature to get the existing key file. Decrypt it. Add your private key to the file. Encrypt it. Use the import feature.

Read the README for how to decrypt it:

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

Buy & Hold
jim618
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November 08, 2012, 09:57:49 AM
 #258

From the perspective of the Bitcoin network if you receive 10 coins, wait for 6 confirmations and then send 0.1 coins somewhere else, what actually happened behind the scenes is that you received a new payment of 9.9 coins back to yourself (as "change"). So it's correct that it's unconfirmed.

Does the bitcoin.org client behave in this way?

There is a difference between a transaction being confirmed and being spendable.
With the Satoshi client if someone else sends you bitcoin it is both unconfirmed and unspendable until it appears in a block. With Satoshi, your change is unconfirmed but is spendable straight away.

What Mike mentioned is to change the bitcoinj spending policy so that your own change is spendable. It is still unconfirmed though (meaning literally not on a block yet). This will then be the same as the Satoshi client.

Different clients have different spending policies and they change over time. I notice for instance that the 'old' Instawallet allowed you to always spend (even unconfirmed receipts from other people) but the 'new' Instawallet requires one confirmation. They allow you to spend your change immediately. I think that combination will become the norm.

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caveden
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November 08, 2012, 10:54:34 AM
 #259

I see no reason to forbid someone from spending an unconfirmed transaction, even if it's not change. Particularly now that bitcoind will soon be able to sum up all transaction fees in an unconfirmed transaction chain. If you are on the tip of such chain, just add a fee to it.

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Yuhfhrh
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November 08, 2012, 09:58:46 PM
 #260

Is there a way to import your own private key?

Thanks so much!  Grin

Edit: I'm not seeing how we are supposed to import our private key. Do I need to save it as some type of file?

Use the export feature to get the existing key file. Decrypt it. Add your private key to the file. Encrypt it. Use the import feature.

Read the README for how to decrypt it:

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


Thanks, but its way over my head. I don't even know where/how to start with "You can OpenSSL to decrypt:

openssl enc -d -aes-256-cbc -a -in <filename>"
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