Need to write APK from .jad - Android Q&A, Help & Troubleshooting

can someone remake this jad file to apk as it can run? i tried different emulators but they didnt work for me
thanks

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Extracting Certain Files from APK's

hey all, i was just wondering if anyone knew how to extract some files from an apk?
specifically, i like riptide gp's background music and was wondering if anyone knew how to extract those music files from the apk or something. let me know! thanks!
I already tried opening the apk on both my computer and NT and couldn't find any music files anywhere... starting to think its not possible, but it can't be because in order for a game to have music its gotta have music files somewhere in the installation file just like any other game on any platform...
Just to get the most basic question out of the way, so sorry if I seem pedantic, but did you just change the extension of the .apk to .zip or did you use APKTool to unpack the .apk?
SG Pillar said:
Just to get the most basic question out of the way, so sorry if I seem pedantic, but did you just change the extension of the .apk to .zip or did you use APKTool to unpack the .apk?
Click to expand...
Click to collapse
i've already tried extracting the apk by conventional means, aka using winrar to extract the contents, but no luck in finding any files resembling that of a music file type. i've also tried apktool but after decompiling the apk, i couldn't find any music files either...
after decompiling through apktool i just saw a lot of .smali files. there was one files called base.apf but not sure how to decompile that....
Check out apktool to extract apks. I've used it on system files to open them up and edit what's inside.
https://code.google.com/p/android-apktool/

Modify the apk

Helooo friends..
I root my EVO 3d and hack the games with game cheat engine but today's my
Friends ask me send the patcher of the game for unrooted phone but I never see the data file of game in "sdcard-android-data" I see many modify .apk files of games available on different sites..
so I think to create a modified .apk of a game but I does not now how modify the .apk..
I do little search , I find that :-
1. Rename file name"xxx.apk"to "xxx.zip"..
2. Open it and edit the file's...
But I does not know which files are required to be edit...
Anyone knows what can I do ???
There was any chance or any application available which backup the game data in .apk format and worked on unrooted phone..
Or
backup the "application And its data " into .apk format and worked on unrooted phone..
Thanks in advance......
Sent from my shooteru using xda premium

rebuilding .OBB files?

I'm trying to change the Language on Half Life 2 for the Nvidia Shield.
So I put the VO folder from the PC version with all the .wav files into the .OBB file of the Android Version with Winrar.
It doesn't seem to work though, when I try to run it, the game attempts to redownload the .obb file ..
Is there anything I have to regard, like a signature of the .obb file or something?
Or do I need any special tools to build those files?
I have the same problem with Eternity Warriors 3. the game download the original obb file when the game detect that the obb is modded.
yea I'm guessing there is some kind of signature or even checksum check.

[Q] How can i know which files a apk need to run correctly?

Im not a developer. Sometimes i try things. Lets say i installed a apk file but it did not work. I know every apk will not work but how can i learn
what other files, lib files maybe it needs in order to run?
One word. Logcat

How can I make an edited patch.obb work?

I just edited a patch.obb of a game but when I run the game with normal APK it says that the game needs to download additional content. What do I need to edit in the apk for it to get my EDITED patch.obb to work?
I know how to decompile and compile apk. :fingers-crossed:

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