public boolean checkRoot() { boolean result = true; // No need to do more shell calls if we already did the checks if (CHECKED_ROOT && !ROOT_AVAILABLE) // We already checked root and it wasn't available return false; if (!ROOT_AVAILABLE) { if (!RootTools.isRootAvailable()) { // TODO: Make a new dialog class that explains root access RootTools.log("Root access isn't available"); result = false; } else if (!RootTools.isAccessGiven()) { RootTools.log("Root access denied by user"); result = false; } else { ROOT_AVAILABLE = true; } } CHECKED_ROOT = true; return result; }