从图像类Java android创建firebase视觉图像

dependencies {
    // Firebase
    implementation 'com.google.firebase:firebase-analytics:17.6.0'
    implementation 'com.google.firebase:firebase-ml-vision:24.1.0'
}

apply plugin: 'com.google.gms.google-services'

android {
    // ...
}

dependencies {
    // ...
}

import com.google.firebase.ml.vision.FirebaseVision;
import com.google.firebase.ml.vision.common.FirebaseVisionImage;
import com.google.firebase.ml.vision.label.FirebaseVisionImageLabel;
import com.google.firebase.ml.vision.label.FirebaseVisionImageLabeler;
import com.google.firebase.ml.vision.label.FirebaseVisionOnDeviceImageLabelerOptions;

// ...

FirebaseVisionImage image = FirebaseVisionImage.fromBitmap(bitmap);

FirebaseVisionOnDeviceImageLabelerOptions options =
        new FirebaseVisionOnDeviceImageLabelerOptions.Builder()
                .setConfidenceThreshold(0.7f)
                .build();

FirebaseVisionImageLabeler labeler = FirebaseVision.getInstance()
        .getOnDeviceImageLabeler(options);

labeler.processImage(image)
        .addOnSuccessListener(new OnSuccessListener<List<FirebaseVisionImageLabel>>() {
            @Override
            public void onSuccess(List<FirebaseVisionImageLabel> labels) {
                // 处理识别结果
                for (FirebaseVisionImageLabel label : labels) {
                    String text = label.getText();
                    String entityId = label.getEntityId();
                    float confidence = label.getConfidence();
                    // ...
                }
            }
        })
        .addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception e) {
                // 处理识别失败
            }
        });