Android 8 (Oreo) has a major behavior change on how device ID is manipulated, this tool helps you Query / Modify the ID of applications on Oreo
| Options | Arguments | Description |
|---|---|---|
| -q, --query | To query current ID (May be inherited from the previous Android version) | |
| -Q, --query_default | To query the default ID (The new ID decided by Oreo) | |
| -a, --assign | [ID] | To change current ID (Usually a 16-digits number) |
| -A, --assign_default | [ID] | To change the default ID |
| -b, --backup | [FILE_PATH] | To make a backup, output to the file specified |
| -r, --restore | [FILE_PATH] | To restore from a backup file |
| -p, --package | [PKG_NAME] | To specify application by package name, THIS FLAG IS NECESSARY |
| -i, --inplace | Modify ID directly (Print to stdout if not set, USE THIS OPTION CAREFULLY) | |
| -y, --force | To skip security checks | |
| -f, --file | [FILE_PATH] | To Specify which file to be processed, don't set to use default |
| -h, --help | To show help information |
- Root privilege is needed.
- A REBOOT is required for changes to go into effect.
- A valid (uncorrupted) setting is expected, otherwise the behavior will be undefined.
- Always preview before assigning inplacely, or make backups.
- Invalid option combinations will trigger help_information() and NO action will be performed.
- Specify ONLY ONE package, the last one works if more than one is given.
- To query the current ID of the package 'com.android.example'
dvcid --query --package com.android.example - To change the current ID of the package 'com.android.example' to '0000000000000000' directly
dvcid -i --assign 0000000000000000 --package com.android.example - To query the current ID of the package 'com.android.example' from the file 'settings-ssaid.xml'
dvcid --query --package com.android.example --file settings-ssaid.xml - To set both ID of the package 'com.android.example' at the same time to '1234567890123456' and '0000000000000000'
dvcid --assign 1234567890123456 -A 0000000000000000 --package com.android.example - To save current settings to file 'ssaid_backup.xml'
dvcid --backup ssaid_backup.xml