Android代码执行adb shell top命令读取结果

new Thread() {
    @Override
    public void run() {
        StringBuilder tv = new StringBuilder();
        int rate = 0;
        try {
            String Result;
            Process p;
            p = Runtime.getRuntime().exec("top -n 1");
            InputStream in = p.getInputStream();
            if (android.os.Build.VERSION.SDK_INT >= 26) {
                LogUtil.i("cpu", "Result Android8.0+ ");
                byte[] re = new byte[1024];
                while (in.read(re) != -1) {
                    tv = tv.append(new String(re));
                }
                LogUtil.i("cpu", "Result Android8.0+ tv " + tv.toString());
            } else {
                BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
                while ((Result = br.readLine()) != null) {
                    if (Result.trim().length() < 1) {
                        continue;
                    } else {
                        LogUtil.i("cpu", "Result " + Result.toString());
                        break;
                    }
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}.start();