Thursday, June 16, 2016

Can't modify systemUI.apk on SM-G900F Lollipop 5.0

I been having serious problems trying to replace a few statusbar images from my recently rooted Samsung Galaxy S5 SM-G900F International Version. Rooting is already done (with CF Auto root). Evertyhing is ok and functional.

The problem is that I want to replace some signal images (only two PNG files) and I've tried 2 times and I always end up with black screen and statusbar gone. The only thing that fix it is restoring original systemUI.apk.

This is what I've done so far:
  1. Copy the systemUI.apk to computer.
  2. Extract it with WinRAR
  3. Replace all the images
  4. Create new systemUI.apk from WinRAR with no compression.
  5. Put systemUI.apk back to original location /system/priv-apps/systemUI folder.
  6. Reboot

But always I get black background and no statusbar e.g. systemUI is GONE.

I've noticed that now apps are no longer individual, they are stored in folders and, for example systemUI, it shows:
Ignore the apk4, it's mine I was just testing.




Any idea how to modify it?


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