Not able to edit the systemui.apk in Alcatel flash

Hi I was trying to decompile the systemui.apk to edit some xmls but I found out that the systemui.apk does not contain red folder so I kept searching in my ROM and I found out that in custpack partion there's a systemui-res.apk so I decompiled it and found the xmls but after editing while recompiling it says there's no android manifest file so it can't recompile. Plz help

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