[Q] Installable system app?

Just2Cause · Apr 22, 2014

Hello XDA Members.

I would like to know how to convert a non-installable system apk into normal installable apk.

Example:

Let's say that test.apk is a system app.
If I take it to another device and try to install it, it will say app not installed, but if I put it in /system/app and chmod 0644 it, it simply works.

So what I want to know is:

How can I make test.apk install normally same as any other apk file

Regards,
~J2C

Vaibhav Chauhan · Apr 22, 2014

Just2Cause said:
llo XDA Members.

I would like to know how to convert a non-installable system apk into normal installable apk.

Example:

Let's say that test.apk is a system app.
If I take it to another device and try to install it, it will say app not installed, but if I put it in /system/app and chmod 0644 it, it simply works.

So what I want to know is:

How can I make test.apk install normally same as any other apk file

Regards,
~J2C

after deodex the app it will work

es0tericcha0s · Apr 22, 2014

There are a few different ways. The main issue being that it has to be signed to be able to install it in/data/app. Easiest way on the phone is this:
https://play.google.com/store/apps/details?id=kellinwood.zipsigner2

On the computer, there are a few different signing tools. Not entirely sure if it matters what SDK platform you are on as it has been awhile since I have played with apps like that.

Just2Cause · Apr 22, 2014

Vaibhav Chauhan said:
after deodex the app it will work

I already deodexed it but it is still not installable

es0tericcha0s said:
There are a few different ways. The main issue being that it has to be signed to be able to install it in/data/app. Easiest way on the phone is this:
https://play.google.com/store/apps/details?id=kellinwood.zipsigner2

On the computer, there are a few different signing tools. Not entirely sure if it matters what SDK platform you are on as it has been awhile since I have played with apps like that.

So if I re-sign it, it will work?

Vaibhav Chauhan · Apr 22, 2014

Just2Cause said:
I already deodexed it but it is still not installable

So if I re-sign it, it will work?

i have face this problem
when i deodexed the app and sign it it was working

Just2Cause · Apr 22, 2014

@es0tericcha0s

I signed it right now and removed it from /system/app so I can try it, it installed!

But didn't work.

The apk is a close all button from Xperia Z2, I extracted it and deodexed it and I was able to get it to work when it's in /system/app but after I signed it, it installs but it doesn't appear in the recent apps list, as if it wasn't installed.

So I want it to be installable.

naheel azawy · Apr 22, 2014

@Just2Cause

Ok now you can try this task killer on the attachment
it's based on the old task killer from here:
http://www.xperiablog.net/2014/01/1...ose-all-recent-apps-works-on-xperia-z-series/
and I've modded it to look like z2 task killer
I didn't tested it so tell me if worked with you

Just2Cause · Apr 22, 2014

@naheel azawy

It didn't work, it installed but doesn't show up.

naheel azawy · Apr 22, 2014

Just2Cause said:
@naheel azawy

It didn't work, it installed but doesn't show up.

what about the one which I based my mod on? does it works?

Just2Cause · Apr 22, 2014

naheel azawy said:
what about the one which I based my mod on? does it works?

Nope.

naheel azawy · Apr 22, 2014

Just2Cause said:
Nope.

!!!
does any task killer worked with you???
if yes plz give me that apk

es0tericcha0s · Apr 22, 2014

If it installed, then it's SOMEWHERE... Try this: Use a root explorer to browse through /data/app and see if you see it there. Sometime if the app isn't working right or has the wrong permissions, it'll install but can't see it. Which tool did you use to sign?

Just2Cause · Apr 22, 2014

es0tericcha0s said:
If it installed, then it's SOMEWHERE... Try this: Use a root explorer to browse through /data/app and see if you see it there. Sometime if the app isn't working right or has the wrong permissions, it'll install but can't see it. Which tool did you use to sign?

The app from play store that you suggested.

Edit:
It is in /data/app with rw-r--r-- permissions so it should work.
I attached the apk just in case if you want to check some things.

Edit 2:
The SystemUI.apk has this line in the AndroidManifest.xml:

Code:

<permission android:name="com.sonymobile.permission.TASK_SWITCHER_PLUGIN_VIEW" android:protectionLevel="signatureOrSystem" />

and this one is in the TaskKiller.apk's AndroidManifest.xml:

Code:

<uses-permission android:name="com.sonymobile.permission.TASK_SWITCHER_PLUGIN_VIEW" />

the TaskKiller is asking for permission from SystemUI instead of framework-res, idk why.

es0tericcha0s · Apr 22, 2014

I'm thinking that this has to be a system app and tied to SystemUI to function properly. It doesn't seem to have it's own interface which is why no open option when installed and no icon showing.

Just2Cause · Apr 22, 2014

es0tericcha0s said:
I'm thinking that this has to be a system app and tied to SystemUI to function properly. It doesn't seem to have it's own interface which is why no open option when installed and no icon showing.

Exactly, but the old apk from the Japanese Z1 is installable.

Does resigning affect that much that it stops working?

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[Q] Installable system app?

Just2Cause

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Vaibhav Chauhan

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