Possible Duplicate:
Root permission with Android SDK
Android application is not getting root access though device is rooted. Is there any possible way for android apk to get root permissions ???
Possible Duplicate:
Root permission with Android SDK
Android application is not getting root access though device is rooted. Is there any possible way for android apk to get root permissions ???
refer: How can I get root permissions through the Android SDK?
Process root = Runtime.getRuntime().exec("bla");
That causes SuperUser to show, which lets you either Allow or Block it from root access. This approach might not work if the user is not rooted.