String adb="am broadcast -a ADB_INPUT_TEXT --es msg '" + value + "'";
execRootCmd(adb);

 public static String execRootCmd(String cmd) {
        String result = "";
        DataOutputStream dos = null;
        DataInputStream dis = null;

        try {
            Process p = Runtime.getRuntime().exec("su");// 经过Root处理的android系统即有su命令
            dos = new DataOutputStream(p.getOutputStream());
            dis = new DataInputStream(p.getInputStream());
//            settings put global airplane_mode_on 0
//            am broadcast -a android.intent.action.AIRPLANE_MODE
            dos.writeBytes(cmd + "\n");
            dos.flush();
            dos.writeBytes("exit\n");
            dos.flush();
            String line = null;
            while ((line = dis.readLine()) != null) {
                Log.d("result", line);
                result += line;
            }
            p.waitFor();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {

        }
        return result;
    }