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Old 03-23-2013, 03:26 PM   #106
Awak
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I have put up a lot of debugging codes and testing codes in the program. To avoid any confusion, I need to do some clean up before release the source code to internet...

I still need to learn "push it up" on top of the old version, hopefully it is not too hard to commit the files again...
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Old 03-23-2013, 03:41 PM   #107
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change to GIT dir

git status (check you are happy with what it says)

if some new files are missing from the tracking...
git add ./*

then/or

git commit -a
(enter revision info)

git push

should do the job
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Old 03-23-2013, 03:42 PM   #108
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go to bed. I'll test it now.

EDIT: still doesnt launch Yes the keystore should be fine

Fix it tomorrow - Ill look at the code when you UP it.

Last edited by twobob; 03-23-2013 at 03:46 PM.
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Old 03-23-2013, 03:59 PM   #109
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Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.
 
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Interestingly, your crash log looks exactly same as what yahwing give us:

http://www.mobileread.com/forums/sho...5&postcount=87

What is going on here? I have not changed anything on development environment: But yahwing cannot run the previous version while you can, and now you cannot run this latest version while I can in my Kindle...

What is this "kindlet.internal.security.Kindle tSecretKey" doing in the project??

They really are "Secret" with secret behavior!
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Old 03-23-2013, 04:03 PM   #110
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hah yeah.

I will happily build it from source myself and check it once it is up.

Maybe I can spot something.

This is the whole point behind pushing up EACH REVISION to git really. so we can all have a good look and see if there is something obvious in the changes...

four eyes are better than two. 6 is better than 4 yada yada and so forth.

I can at least DIFF the changes then and see what might be causing it.
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Old 03-23-2013, 04:05 PM   #111
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it would also rule out your build process as the cuplrit
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Old 03-24-2013, 09:02 PM   #112
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Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.
 
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Quote:
Originally Posted by twobob View Post
it would also rule out your build process as the cuplrit
I tend to think it must be something has changed on your kindle that cause it and pretty sure you cannot even run the previous version now even you have done that without problem before...

It could be because you have the WiFi ON while running the Chinese Chess program and it has picked up something from the internet. It might be because you have changed the firmware of your kindle recently.

I may come up with some more possible reasons later ... ...
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Old 03-24-2013, 09:04 PM   #113
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pfft. Zero chance of that.
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Old 03-25-2013, 12:34 AM   #114
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Looking at the log tell us the origin of problem:
Quote:
at com.amazon.kindle.kindlet.internal.security.G.getC hars(vrc:1333)
at vn.vhn.amazon.kindle.chinesechess.posCollection.lo calIsSolved(Unknown Source)
It seems that the application cannot read from its local preferences storage due to some security error. I think that the local storage is encrypted by the sign or anything relating to the application.
You may resolve that error by a try catch in that function

Code:
try{
//reading from pref
}catch(Exception ex){
//reading error, clear all the pref, and then try reading again
}
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Old 03-25-2013, 02:03 AM   #115
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Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.Awak can program the VCR without an owner's manual.
 
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Quote:
Originally Posted by vanhoavn View Post
Looking at the log tell us the origin of problem:

It seems that the application cannot read from its local preferences storage due to some security error. I think that the local storage is encrypted by the sign or anything relating to the application.
You may resolve that error by a try catch in that function

Code:
try{
//reading from pref
}catch(Exception ex){
//reading error, clear all the pref, and then try reading again
}
HA! Good to hear you again! What is this "local preferences storage"?

I am still learning and don't understand how this work:

1. Where is all the Chess Puzzles stored?

2. Is that true this "SecureStorage" only half used out of its 512 bytes? Most of the 256 bytes (other than the 256 bytes for Chess Map) are not used? Where is this storage exist? Part of the data section in .awz2 file?

3. What do you mean by "clear all the pref, and then try reading again"?
How to clear the pref?

4. The crash log says it comes from the routine "posCollection.localIsSolved()", but I don't see anything special on this routine and my kindle can run it without problem...

Since I cannot reproduct the problems on my kindle, what should I do in this case?


I am sorry there are so many questions I want to know the answers - As I am now quite "HOT" on this Chess Program - I cannot sleep or eat until I know the inside out of it...

Hope that you don't mind to help me a bit .
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Old 03-25-2013, 02:56 AM   #116
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Quote:
Originally Posted by Awak View Post
HA! Good to hear you again! What is this "local preferences storage"?

I am still learning and don't understand how this work:

1. Where is all the Chess Puzzles stored?

2. Is that true this "SecureStorage" only half used out of its 512 bytes? Most of the 256 bytes (other than the 256 bytes for Chess Map) are not used? Where is this storage exist? Part of the data section in .awz2 file?

3. What do you mean by "clear all the pref, and then try reading again"?
How to clear the pref?

4. The crash log says it comes from the routine "posCollection.localIsSolved()", but I don't see anything special on this routine and my kindle can run it without problem...

Since I cannot reproduct the problems on my kindle, what should I do in this case?


I am sorry there are so many questions I want to know the answers - As I am now quite "HOT" on this Chess Program - I cannot sleep or eat until I know the inside out of it...

Hope that you don't mind to help me a bit .
Essentially, the answer to almost all of those questions is here.

Regarding where it is stored: /mnt/us/developer/<AZW2 Title>/metadata/.secure_store.
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Old 03-25-2013, 03:45 AM   #117
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Yes, the answers for 2nd,3rd and 4th question is in ixtab's link
And for 1st, they're *.vh files.
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Old 03-25-2013, 04:43 AM   #118
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Quote:
Originally Posted by vanhoavn View Post
Yes, the answers for 2nd,3rd and 4th question is in ixtab's link
And for 1st, they're *.vh files.
They are *.vh files inside the source code project only, but we just copy the ".azw2" file to the kindle - So it must has all the necessary data (all the chess puzzles and all the SecureStorage contents) inside this ".azw2" file.

My guess is when you run this ".azw2" file the VERY first time on the kindle, it will auto-create the file in "/mnt/us/developer/<AZW2 Title>/metadata/.secure_store" by itself.

I suspect the ALL Chess Puzzles will also store somewhere (not in the RAM, but the /mnt/us directory) as part of initialization when you run the ".azw2" file.

The troubled routine:

Quote:
private boolean localIsSolved(int name, int id)
{
char l[] = context.getSecureStorage().getChars("pos:".concat( itemName[name].concat(String.valueOf(id))));

return l != null && l.length == 4 && l[0] == solved[0] && l[1] == solved[1] && l[2] == solved[2] && l[3] == solved[3]; }
has a "secret" key of

char solved[] = { 'v', 'h', 's', 'v' };

to compare with.

I suspect this secure store has been corrupted and the application (Chess Program) should able to generate it again somehow (I don't know how yet...).

From the link given by ixtab:

Quote:
In the remote case that corruption happens outside of the application's life cycle the store will simply respond as if it is empty. (This can also happen if the device is restored to factory settings.) For most use cases, the application should be built to deal gracefully with this.
================================================== ======

I presume the *.vh files have their own format or encrypted and you just cannot edit or add another one without a special software tool to do it, right?


WOW! I have learnt a lot of things here - Thanks a lot Guy!
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Old 03-25-2013, 04:47 AM   #119
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all *.vh files should be included within the azw2, but securestorage contents are not.
About the method to read them, it's in the source code already
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Old 03-25-2013, 05:00 AM   #120
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Quote:
Originally Posted by vanhoavn View Post
all *.vh files should be included within the azw2, but securestorage contents are not.
What do you mean? Then who create this SecureStorage in the first place?

We don't have an installation program here, it must be generated when you run the application the VERY first time!

Otherwise, the SecureStorage will be there long before you have the application - May be when you have the Developer Certificate installed ???
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