I would like to know how can we get root permission from android app? Are there any app out there in android market?
I tried out the below line of code to list out files but nothing happened
Process process = Runtime.getRuntime().exec(new String[] { "su", "-", "root"});
I tried to give TEST_FACTORY permission in my manifest file but I got an error "permitted to system app"
How can I make my app system app?
I want help to get started with these stuff (make app if possible to get root permission) any help on this is very much appreciated. Thanks in advance :)
First: note that you can only execute shell commands using su (= you can only use shell commands as root, not java code).
Second: Not sure if this applies to all su apps out there, but this is the help message of su on my phone:
Usage: su [options] [--] [-] [LOGIN] [--] [args...]
Options:
--daemon start the su daemon agent
-c, --command COMMAND pass COMMAND to the invoked shell
-h, --help display this help message and exit
-, -l, --login pretend the shell to be a login shell
-m, -p,
--preserve-environment do not change environment variables
-s, --shell SHELL use SHELL instead of the default /system/bin/sh
-u display the multiuser mode and exit
-v, --version display version number and exit
-V display version code and exit,
this is used almost exclusively by Superuser.apk
This means: you have to run su -c something (or su -c something - root, but rootis the default anyway). essentially this is equal to su on most Linux systems, except the daemon-thing, as there is no daemon ahndling su calls on regular linux systems.
If other su commands behave differently (which is possible), it's more secure to open a stream to a shell, execute su, evaluate it's return code, then proceed to execute other commands, finally execute exit.