Java TextBlock.getValue方法代码示例

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
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());
        }
    }
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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;
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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) {
    mGraphicOverlay.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) {
            final String wort = item.getValue();
            if(wort.length() > 1 && Character.isUpperCase(wort.charAt(0)) && wort.matches("[A-Za-z-]+") && wort.charAt(wort.length() - 1) != '-') {
                Log.d("OCR", "Name detected: " + wort);
                // Show AccountDetailActivity
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        DownloadIntentService.startService(context, OcrCaptureActivity.DOWNLOAD_REQUEST_CODE, wort);
                    }
                }).start();
            } else {
                Log.d("OcrDetectorProcessor", "Text detected! " + item.getValue());
            }
        }
    }
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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
 */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)

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) {
            Log.d(TAG, "text data is being displayed! " + text.getValue());

            //Show the string.
            String capturedText = text.getValue();
            capturedText = capturedText.substring(0,1).toUpperCase() + capturedText.substring(1).toLowerCase();
            textView.setText(capturedText);
        }
        else {
            Log.d(TAG, "text data is null");
        }
    }
    else {
        Log.d(TAG,"no text detected");
    }
    return text != null;
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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) {
    mGraphicOverlay.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) {
            if (item.getValue().contains("INSTITUTO FEDERAL ELECTORAL")) {
                documentIdentifier.setType(Constants.IFEB);
            } else if (item.getValue().contains("INSTITUTO NACIONAL ELECTORAL")) {
                Log.d("OcrDetectorProcessor", "INE E " + item.getValue());
                documentIdentifier.setType(Constants.IFEE);
            }
        }
        //OcrGraphic graphic = new OcrGraphic(mGraphicOverlay, item);
        //mGraphicOverlay.add(graphic);
    }
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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 = mGraphicOverlay.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;
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
@Override
public void receiveDetections(Detector.Detections<TextBlock> detections) {
    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("Processor", "Text detected! " + item.getValue());
        }
    }
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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) {
    mGraphicOverlay.clear();
    final 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(mGraphicOverlay, item);
        mGraphicOverlay.add(graphic);
    }

}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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;
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
/**
 * 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) {
    mGraphicOverlay.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(mGraphicOverlay, item);
        mGraphicOverlay.add(graphic);
    }
}
 

import com.google.android.gms.vision.text.TextBlock; //导入方法依赖的package包/类
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == PHOTO_REQUEST && resultCode == RESULT_OK) {
        launchMediaScanIntent();
        try {
            Bitmap bitmap = decodeBitmapUri(this, imageUri);
            if (detector.isOperational() && bitmap != null) {
                Frame frame = new Frame.Builder().setBitmap(bitmap).build();
                SparseArray<TextBlock> textBlocks = detector.detect(frame);
                String blocks = "";
                String lines = "";
                String words = "";
                for (int index = 0; index < textBlocks.size(); index++) {
                    //extract scanned text blocks here
                    TextBlock tBlock = textBlocks.valueAt(index);
                    blocks = blocks + tBlock.getValue() + "\n" + "\n";
                    for (Text line : tBlock.getComponents()) {
                        //extract scanned text lines here
                        lines = lines + line.getValue() + "\n";
                        for (Text element : line.getComponents()) {
                            //extract scanned text words here
                            words = words + element.getValue() + ", ";
                        }
                    }
                }
                if (textBlocks.size() == 0) {
                    scanResults.setText("Scan Failed: Found nothing to scan");
                } else {
                    scanResults.setText(scanResults.getText() + "Blocks: " + "\n");
                    scanResults.setText(scanResults.getText() + blocks + "\n");
                    scanResults.setText(scanResults.getText() + "---------" + "\n");
                    scanResults.setText(scanResults.getText() + "Lines: " + "\n");
                    scanResults.setText(scanResults.getText() + lines + "\n");
                    scanResults.setText(scanResults.getText() + "---------" + "\n");
                    scanResults.setText(scanResults.getText() + "Words: " + "\n");
                    scanResults.setText(scanResults.getText() + words + "\n");
                    scanResults.setText(scanResults.getText() + "---------" + "\n");
                }
            } else {
                scanResults.setText("Could not set up the detector!");
            }
        } catch (Exception e) {
            Toast.makeText(this, "Failed to load Image", Toast.LENGTH_SHORT)
                    .show();
            Log.e(LOG_TAG, e.toString());
        }
    }
}