//如果需要修改文件权限则 将 以下字符串传入以下方法 777则是 rwx-rwx-rwx权限//String cmd= "chmod 777 " + java.io.File.separator + "data" //+ java.io.File.separator + "system" + java.io.File.separator //+ "accounts.db";public boolean RootCommand(String command) { Process process = null; DataOutputStream os = null; try { process = Runtime.getRuntime().exec("su"); os = new DataOutputStream(process.getOutputStream()); os.writeBytes(command + ""); os.writeBytes("exit"); os.flush(); process.waitFor(); } catch (Exception e) { Log.d("*** DEBUG ***", "ROOT REE" + e.getMessage()); return false; } finally { try { if (os != null) { os.close(); } process.destroy(); } catch (Exception e) { // nothing } } Log.d("*** DEBUG ***", "Root SUC "); return true; }