Sign Modded apk - Android Q&A, Help & Troubleshooting

Hi guys, I'm trying to make a mod of an app.
Using APK Easy Tool (https://forum.xda-developers.com/an...tool-apk-easy-tool-v1-02-windows-gui-t3333960) I decompiled it, then without touching any file (just for test) I recompiled the app,
but when I try to generate a new signature for the app then it is installed by Android but it just crash saying "the application has been stopped", but when I try to keep the original signature I am not even able to install it because Android says "App not installed - the packet might be damaged".
How can I fix that?
I was wondering how people who make modded applications have success in sign and install on any device..
Sorry for my bad english, thanks in advance

Related

[Q] Language APK

Hi,
could you please tell me, how I can make "language apk" which add to the folder of app new folder: for example "values-cs".
I tried to do language.apk in ECLIPSE, but when I tried to install it as update of original app, it says "app is not installed".
Could you tell me, how I can do functional language.apk if it possible.))
Thank you and sorry for my english))
No one?

where am i doing wrong?

please bare wite me...
i'm a total noob
i downloaded an apk app file,
lot's of text in it (info app),
opened it with 7zip
edit the content i wanted (html file)
save it / update it with 7zip
then sign it (in several ways which i found in your forums)
after finishing installing it,
when try opening it, get:
"the app has stopped unexpectedly. try again"
where am i doing wrong?
thanks in advanced!
p.s.
can u guide me how or to a guide on how
to edit apk app so it stop asking me every few months
to download a new version and by that also limit some
of the option in it... ? - it's a free app
managed to find another app apkstudio-2.0.3b-windows
it's working
still...
does anyone know how to for the "p.s. part" ?
can u guide me how or to a guide on how
to edit apk app so it stop asking me every few months
to download a new version and by that also limit some
of the option in it... ? - it's a free app
Click to expand...
Click to collapse

APP want Versionupdate after recompile and sign?! Need help!

Hello,
I have decompiled APK File, changed a picture and recompiled + installed it.
but now on starting the app i geht error message like "Software update - there is a new version in the playstore"
Is there any way to bypass this problem? i cant use the app because it wants a software update ( its the same version like in the playstore no update available )
I have already checked the .dll files if there are any codes checking modifying the APK but nothing found
hope you can help me !!

Error installing Launcher extracted from the ROM of an android gamebox

Hello
First of all I want to say that I use BLISS OS x86 7.1.2 system on the mini pc Alfawise X5
then extract a LAUNCHER.apk from the GEMBOX F500 device at this link: https://forum.xda-developers.com/showthread.php?t=2692843&page=69
but I can not install it because I have the error "app not installed the package conflicts with an existing package". The problem is that this launcher has never been installed on my device, this error occurs with other applications that were made exclusively for satelite android receivers of my country, already tried to install and the same error occurs, but they were never installed on my device, someone knows the can I do to install LAUNCHERf500.apk ??????
Sorry for my english I'm using google translate, thanks for the attention !!
Decompile the apk and change its package name in the Android manifest
Or
Use an app cloner that might be able to do it for you
However doing this may cause problems eg some features may not work or app may force close
You can also find out what the package name is & try uninstalling it via adb so you can install the apk with the same package name
Also Iv no idea why you have posted this in the mx player xda section as it's nothing to do with it so I'll get it moved
TheFixItMan said:
Decompile the apk and change its package name in the Android manifest
Or
Use an app cloner that might be able to do it for you
However doing this may cause problems eg some features may not work or app may force close
You can also find out what the package name is & try uninstalling it via adb so you can install the apk with the same package name
Also Iv no idea why you have posted this in the mx player xda section as it's nothing to do with it so I'll get it moved
Click to expand...
Click to collapse
I already did this but did not install apk
I already cloned, and changed the package name.
is there a lock, or a way of knowing that apk is being installed on hardware other than GEMBOX F500 ???
Can I change the application to install on my device?
or changing Build.prop ??
Sorry for posting in the wrong place, I'm not familiar with the site
dividafox said:
I already did this but did not install apk
I already cloned, and changed the package name.
is there a lock, or a way of knowing that apk is being installed on hardware other than GEMBOX F500 ???
Can I change the application to install on my device?
or changing Build.prop ??
Sorry for posting in the wrong place, I'm not familiar with the site
Click to expand...
Click to collapse
Since it's a launcher I assume you are rooted and placing the apk in system/priv-app (system/app if pre lollipop) and giving it the correct permissions then restarting the device
Some launchers are only designed to work on certain devices & would require porting to work on others
Anyway - best to actually post in your device forum or the general if your device does not have its own forum
Iv asked the mods to move this as it has nothing to do with mx player

Resign system application

Hi,
Hope someone would be able to give me some help\advice.
I have a system application and trying to install it onto another phone. The installation keeps failing.
How would I get this app resigned so it will install?
The phone that I am trying to install the apk on is a nexus 5 with a custom rom.
Any help would be appreciated.
Thanks
If your getting a error about it not being signed, you need to find a signed installation. You cant sign it yourself.
Thanks for the response.
So if I wanted to add a system app into a Rom before I flash the phone can that be done and how would I do it?
Thanks
All the system apps have to have a signing that matches that of /system/framework/framework-res.apk
The most radical solution is for you to resign everything with your own keys.

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