Deodex services.jar

Here you can find instructions on how to manually deodex services.jar as preparation for Signature Spoofing support.

If you want to check beforehand (or afterwards), if your ROM supports Signature Spoofing, use this tool.

VDEX

If you can see /system/framework/oat/[arch]/services.vdex, where [arch] is the device architecture (arm, arm64, x86 or x86_64), you should follow theese instructions.

the instructions are basically simple, though plenty commands:

connect phone with PC while in TWRP, mount /system read-write
get latest vdexExtractor (best self-compiled from git)
- vdexExtractor Sources
zip/unzip utilities for commandline (or some UI tool)
common sense on using commandline (or some UI tool instead)

adb pull /system/framework framework
cp framework/services.jar services.jar-backup

now deodex services.vdex:

vdexExtractor -i framework/oat/[arch]/services.vdex --ignore-crc-error

this will create the following file:

framework/oat/[arch]/services.apk_classes.dex

if it's properly been created rename it to classes.dex and add it to services.jar

mv framework/oat/[arch]/services.apk_classes.dex classes.dex
zip -d framework/services.jar classes.dex
zip -j framework/services.jar classes.dex

next install the new services.jar to device:

adb push framework/services.jar /system/framework
adb shell
chmod 0644 /system/framework/services.jar
chown root:root /system/framework/services.jar

unmount /system and flash the NanoDroid-Patcher.

If something goes wrong you still have the unpatched services.jar, as we created a copy named services.jar-backup.

ODEX

If you can see /system/framework/oat/[arch]/services.odex, where [arch] is the device architecture (arm, arm64, x86 or x86_64), you should follow theese instructions.

the instructions are basically simple, though plenty commands:

connect phone with PC while in TWRP, mount /system read-write
get latest baksmali.jar and smali.jar (2.2.4+, best self-built from git)
- smali Sources
- my personal builds baksmali / smali
zip/unzip utilities for commandline (or some UI tool)
common sense on using commandline (or some UI tool instead)

adb pull /system/framework framework
cp framework/services.jar services.jar-backup

check if framework/services.jar contains a classes.dex (open as zip file), if so:

mkdir services-old
unzip -d services-old framework/services.jar
java -jar baksmali.jar x services-old/classes.dex -b framework/core-oj.jar -o services-new
java -jar smali.jar a services-new -o classes.dex

if not

java -jar baksmali.jar x framework/oat/[arch]/services.odex -b framework/core-oj.jar -o services-new
java -jar smali.jar a services-new -o classes.dex

in any case, if a new classes.dex was successfully created in the services-new directory, re-package it into the services.jar we previously pulled:

zip -d framework/services.jar classes.dex
zip -j framework/services.jar classes.dex