Android | 教你如何用代码开发一个拍照翻译小程序

private static final int CAMERA_PERMISSION_CODE = 1; @Override 
public void onCreate(Bundle savedInstanceState) { 
    // Checking camera permission   
   if (!allPermissionsGranted()) {
       getRuntimePermissions();
   }} 

MLRemoteTextSetting setting = (new MLRemoteTextSetting.Factory()).
         setTextDensityScene(MLRemoteTextSetting.OCR_LOOSE_SCENE).create();this.textAnalyzer = MLAnalyzerFactory.getInstance().getRemoteTextAnalyzer(setting);

MLFrame mlFrame = new MLFrame.Creator().setBitmap(this.originBitmap).create();

Task task = this.textAnalyzer.asyncAnalyseFrame(mlFrame);
            task.addOnSuccessListener(new OnSuccessListener() {
                @Override                public void onSuccess(MLText mlText) {
                    // Transacting logic for segment success.
                    if (mlText != null) {
                        RemoteTranslateActivity.this.remoteDetectSuccess(mlText);
                    } else {
                        RemoteTranslateActivity.this.displayFailure();
                    }
                }
            }).addOnFailureListener(new OnFailureListener() {
                @Override                public void onFailure(Exception e) {
                    // Transacting logic for segment failure.
                    RemoteTranslateActivity.this.displayFailure();
                    return;
                }
            });

MLRemoteTranslateSetting.Factory factory = new MLRemoteTranslateSetting
                .Factory()
                // Set the target language code. The ISO 639-1 standard is used.
                .setTargetLangCode(this.dstLanguage);
        if (!this.class="lazy" data-srcLanguage.equals("AUTO")) {
            // Set the source language code. The ISO 639-1 standard is used.
            factory.setSourceLangCode(this.class="lazy" data-srcLanguage);
        }
        this.translator = MLTranslatorFactory.getInstance().getRemoteTranslator(factory.create());

final Task task = translator.asyncTranslate(this.sourceText);
        task.addOnSuccessListener(new OnSuccessListener() {
            @Override            public void onSuccess(String text) {
                if (text != null) {
                    RemoteTranslateActivity.this.remoteDisplaySuccess(text);
                } else {
                    RemoteTranslateActivity.this.displayFailure();
                }
            }
        }).addOnFailureListener(new OnFailureListener() {
            @Override            public void onFailure(Exception e) {
                RemoteTranslateActivity.this.displayFailure();
            }
        });

if (this.textAnalyzer != null) {
            try {
                this.textAnalyzer.close();
            } catch (IOException e) {
                SmartLog.e(RemoteTranslateActivity.TAG, "Stop analyzer failed: " + e.getMessage());
            }
        }
        if (this.translator != null) {
            this.translator.stop();
        }

  老规矩，简单的小Demo源码已上传Github,github源码地址请戳: https://github.com/HMS-MLKit/HUAWEI-HMS-MLKit-Sample（工程目录为：Photo-Translate），大家可以做参考做基于场景的优化。