android运行stat命令权限被拒绝

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
        != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(this,
            new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
            REQUEST_CODE);
}

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
    if (requestCode == REQUEST_CODE) {
        if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            // 权限被授予，可以执行stat命令
        } else {
            // 权限被拒绝，无法执行stat命令
        }
    }
}

try {
    Process process = Runtime.getRuntime().exec("stat <file_path>");
    // 处理stat命令的输出
} catch (IOException e) {
    e.printStackTrace();
}