要解决“Android reCAPTCHA SafetyNet检测对话框取消”的问题，您可以使用以下代码示例：

1. 在您的项目的build.gradle文件中添加以下依赖项：

implementation 'com.google.android.gms:play-services-safetynet:17.0.0'
implementation 'com.google.android.gms:play-services-auth:19.0.0'

2. 在您的Activity或Fragment中，添加以下代码来执行SafetyNet检测：

import com.google.android.gms.common.api.ApiException;
import com.google.android.gms.common.api.CommonStatusCodes;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.safetynet.SafetyNet;
import com.google.android.gms.safetynet.SafetyNetApi;
import com.google.android.gms.safetynet.SafetyNetApi.RecaptchaTokenResult;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.android.gms.tasks.Task;

public class YourActivity extends AppCompatActivity {

    private static final String TAG = "YourActivity";
    private static final String SITE_KEY = "your_site_key";

    // ...

    private void executeSafetyNetCheck() {
        SafetyNet.getClient(this).verifyWithRecaptcha(SITE_KEY)
                .addOnSuccessListener(this, new OnSuccessListener() {
                    @Override
                    public void onSuccess(SafetyNetApi.RecaptchaTokenResponse recaptchaTokenResponse) {
                        // reCAPTCHA token verification successful
                        if (!recaptchaTokenResponse.getTokenResult().isEmpty()) {
                            // Proceed with your app's logic
                        }
                    }
                })
                .addOnFailureListener(this, new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception e) {
                        // reCAPTCHA token verification failed
                        if (e instanceof ApiException) {
                            ApiException apiException = (ApiException) e;
                            int statusCode = apiException.getStatusCode();
                            Log.e(TAG, "Error: " + CommonStatusCodes.getStatusCodeString(statusCode));
                        } else {
                            Log.e(TAG, "Error: " + e.getMessage());
                        }
                    }
                });
    }

    // ...
}

3. 在您的Activity或Fragment中，调用executeSafetyNetCheck()方法来执行SafetyNet检测。

这样，您就可以检测用户是否通过了reCAPTCHA验证，然后根据需要执行相关的逻辑。