Java Code Examples for com.google.android.gms.vision.text.TextBlock#getValue()

/**
 * onTap is called to capture the first TextBlock under the tap location and return it to
 * the Initializing Activity.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the activity is ending.
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = mGraphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();
        if (text != null && text.getValue() != null) {
            Intent data = new Intent();
            data.putExtra(TextBlockObject, text.getValue());
            setResult(CommonStatusCodes.SUCCESS, data);
            finish();
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

/**
 * onTap is called to capture the first TextBlock under the tap location and return it to
 * the Initializing Activity.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the activity is ending.
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = mGraphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();
        if (text != null && text.getValue() != null) {
            Intent data = new Intent();
            data.putExtra(TextBlockObject, text.getValue());
            setResult(CommonStatusCodes.SUCCESS, data);
            finish();
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

/**
 * onTap is called to capture the first TextBlock under the tap location and return it to
 * the Initializing Activity.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the activity is ending.
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = mGraphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();
        if (text != null && text.getValue() != null) {
            Intent data = new Intent();
            data.putExtra(TextBlockObject, text.getValue());
            setResult(CommonStatusCodes.SUCCESS, data);
            finish();
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

/**
 * onTap is called to speak the tapped TextBlock, if any, out loud.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the tap was on a TextBlock
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = graphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();
        if (text != null && text.getValue() != null) {
            Log.d(TAG, "text data is being spoken! " + text.getValue());
            // Speak the string.
            tts.speak(text.getValue(), TextToSpeech.QUEUE_ADD, null, "DEFAULT");
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

/**
 * onTap is called to capture the first TextBlock under the tap location and return it to
 * the Initializing Activity.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the activity is ending.
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = mGraphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();
        if (text != null && text.getValue() != null) {
            Intent data = new Intent();
            data.putExtra(TextBlockObject, text.getValue());
            setResult(CommonStatusCodes.SUCCESS, data);
            finish();
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

public String[] getTextFromBitmap2(Bitmap src) {
    if (textRecognizer.isOperational() && src != null) {
        Frame frame = new Frame.Builder().setBitmap(src).build();
        SparseArray<TextBlock> textBlocks = textRecognizer.detect(frame);
        String blocks = "";
        String lines = "";
        for (int index = 0; index < textBlocks.size(); index++) {
            TextBlock tBlock = textBlocks.valueAt(index);
            blocks = blocks + tBlock.getValue() + "\n";
            for (Text line : tBlock.getComponents()) {
                lines = lines + line.getValue() + "\n";
            }
        }

        if (textBlocks.size() == 0) {
            // Log.d(TAG, "getTextFromBitmap: Scan Failed: Found nothing to scan");
            return new String[]{"Scan Failed: Found nothing to scan"};
        } else {
            String[] textOnScreen = lines.split("\n");
            int lineCount = textOnScreen.length;
            if (lineCount > 3) {
                String question = "";
                for (int i = 0; i < lineCount - 3; i++) {
                    question += textOnScreen[i];
                }
                return new String[]{question, textOnScreen[lineCount - 3], textOnScreen[lineCount - 2], textOnScreen[lineCount - 1]};

            }
            return new String[]{"Scan Failed: Could not read options"};

        }
    } else {
        Log.d(TAG, "getTextFromBitmap: Could not set up the detector!");
        return new String[]{"Scan Failed:  Could not set up the detector!"};
    }
}
 

@Override
public void receiveDetections(Detector.Detections<TextBlock> detections) {

    SparseArray<TextBlock> detectedItems = detections.getDetectedItems();
    for (int i = 0; i < detectedItems.size(); ++i) {
        TextBlock item = detectedItems.valueAt(i);
        if (item != null && item.getValue() != null) {
            CameraKitTextDetect event = new CameraKitTextDetect(new CameraKitTextBlock(item));
            mEventDispatcher.dispatch(event);
            callback.callback(event);
        }
    }
}
 

/**
 * onTap is called to capture the first TextBlock under the tap location and return it to
 * the Initializing Activity.
 *
 * @param rawX - the raw position of the tap
 * @param rawY - the raw position of the tap.
 * @return true if the activity is ending.
 */
private boolean onTap(float rawX, float rawY) {
    OcrGraphic graphic = mGraphicOverlay.getGraphicAtLocation(rawX, rawY);
    TextBlock text = null;
    if (graphic != null) {
        text = graphic.getTextBlock();

        if (text != null && text.getValue() != null) {
            ocr_text.setClickable(true);

            String ocrtext = ocr_text.getText().toString();

            if (!ocrtext.isEmpty()) {
                ocrtext = ocrtext + "\n" + text.getValue();
                ocr_text.setText(ocrtext);
            } else {
                ocr_text.setText(text.getValue());
            }

        } else {
            Log.d(TAG, "text data is null");
        }
    } else {
        Log.d(TAG, "no text detected");
    }
    return text != null;
}
 

public void detectText(View view) {
    Bitmap textBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.cat);

    TextRecognizer textRecognizer = new TextRecognizer.Builder(this).build();

    if (!textRecognizer.isOperational()) {
        new AlertDialog.Builder(this)
                .setMessage("Text recognizer could not be set up on your device :(")
                .show();
        return;
    }

    Frame frame = new Frame.Builder().setBitmap(textBitmap).build();
    SparseArray<TextBlock> text = textRecognizer.detect(frame);

    for (int i = 0; i < text.size(); ++i) {
        TextBlock item = text.valueAt(i);
        if (item != null && item.getValue() != null) {
            detectedTextView.setText(item.getValue());
        }
    }
}
 

/**
 * Called by the detector to deliver detection results.
 * If your application called for it, this could be a place to check for
 * equivalent detections by tracking TextBlocks that are similar in location and content from
 * previous frames, or reduce noise by eliminating TextBlocks that have not persisted through
 * multiple detections.
 */
@Override
public void receiveDetections(Detector.Detections<TextBlock> detections) {
    graphicOverlay.clear();
    SparseArray<TextBlock> items = detections.getDetectedItems();
    for (int i = 0; i < items.size(); ++i) {
        TextBlock item = items.valueAt(i);
        if (item != null && item.getValue() != null) {
            Log.d("OcrDetectorProcessor", "Text detected! " + item.getValue());
            OcrGraphic graphic = new OcrGraphic(graphicOverlay, item);
            graphicOverlay.add(graphic);
        }
    }
}
 

public MyTextBlock(TextBlock textBlock) {
    this.language = textBlock.getLanguage();
    this.value = textBlock.getValue();
    this.boundingBox = textBlock.getBoundingBox();
}