报错内容 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/supermap/LicenseFileServiceImpl。 代码如下 @Override protected int getLayoutId() { requestPermissions(); ToastUtils.show(rootPath); Log.e(TAG,rootPath); //设置许可文件路径(默认路径“/SuperMap/license/”) Environment.setLicensePath(rootPath + "/SuperMap/license/"); //组件功能必须在Environment初始化之后才能调用 Environment.initialization(this); return R.layout.activity_main; } CloudLicenseManager cloudLicM = CloudLicenseManager.getInstance(this); String username = "libo"; String password = "libo"; cloudLicM.setLoginCallback(new CloudLicenseManager.LicenseLoginCallback() { @Override public void loginAccount(boolean b) { } @Override public void logoutAccount(boolean b) { } @Override public void queryLicense(CloudLicenses cloudLicenses) { } @Override public void activeLicense(boolean b) { } @Override public void recycleLicense(boolean b) { } @Override public void otherError(String s) { } }); cloudLicM.login(username, password);