//获取root权限

        RootManager manager=new RootManager();

        manager.upgradeRootPermission(getPackageCodePath());

public class RootManager {

    /**

     * 应用程序运行命令获取 Root权限，设备必须已破解(获得ROOT权限)

     *

     * @return 应用程序是/否获取Root权限

     */

    public boolean upgradeRootPermission(String pkgCodePath) {

        Process process = null;

        DataOutputStream os = null;

        try {

            String cmd="chmod 777 " + pkgCodePath;

            process = Runtime.getRuntime().exec("su"); //切换到root帐号

            os = new DataOutputStream(process.getOutputStream());

            os.writeBytes(cmd + "\n");

            os.writeBytes("exit\n");

            os.flush();

            process.waitFor();

        } catch (Exception e) {

            return false;

        } finally {

            try {

                if (os != null) {

                    os.close();

                }

                process.destroy();

            } catch (Exception e) {

            }

        }

        return true;

    }

}