Example usage for android.graphics Matrix setRotate

List of usage examples for android.graphics Matrix setRotate

Introduction

In this page you can find the example usage for android.graphics Matrix setRotate.

Prototype

public void setRotate(float degrees) 

Source Link

Document

Set the matrix to rotate about (0,0) by the specified number of degrees.

Usage

From source file:com.klinker.android.twitter.activities.compose.Compose.java

public static Bitmap rotateBitmap(Bitmap bitmap, int orientation) {

    Log.v("talon_composing_image", "rotation: " + orientation);

    try {//from  w  ww .  j  av  a  2 s  .co  m
        Matrix matrix = new Matrix();
        switch (orientation) {
        case ExifInterface.ORIENTATION_NORMAL:
            return bitmap;
        case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
            matrix.setScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_180:
            matrix.setRotate(180);
            break;
        case ExifInterface.ORIENTATION_FLIP_VERTICAL:
            matrix.setRotate(180);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_TRANSPOSE:
            matrix.setRotate(90);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_90:
            matrix.setRotate(90);
            break;
        case ExifInterface.ORIENTATION_TRANSVERSE:
            matrix.setRotate(-90);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_270:
            matrix.setRotate(-90);
            break;
        default:
            return bitmap;
        }
        try {
            Bitmap bmRotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,
                    true);
            bitmap.recycle();
            return bmRotated;
        } catch (OutOfMemoryError e) {
            e.printStackTrace();
            return null;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:com.jafme.mobile.activity.CropImageActivity.java

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();/*w  w w  .j a  v  a  2 s. c  o m*/

    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();

        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);

            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));

            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right,
                    (int) adjusted.bottom);
        }

        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());

            //  ?  

            if (exifRotation != 0) {

                final Matrix matrix = new Matrix();
                matrix.setRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);

                exifRotation = 0;
            }

            int croppedWidth = croppedImage.getWidth();
            int croppedHeight = croppedImage.getHeight();
            if (croppedWidth > outWidth || croppedHeight > outHeight) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / croppedWidth, (float) outHeight / croppedHeight);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedWidth, croppedHeight, matrix,
                        true);
            }

        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + ","
                    + height + "," + exifRotation + ")", e);
        }

    } catch (IOException e) {
        Log.e(LOG_TAG, "Error cropping image: " + e.getMessage(), e);
        finish();
    } catch (OutOfMemoryError e) {
        Log.e(LOG_TAG, "OOM cropping image: " + e.getMessage(), e);
        setResultException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

From source file:com.polyvi.xface.extension.camera.XCameraExt.java

private void photoSucess(Intent intent) {
    //URI????URI?URI??
    //???try-catch???
    Uri uri = intent.getData();/*from www.  j a  va2s  .  c  om*/
    if (null == uri) {
        uri = mImageUri;
    }
    ContentResolver resolver = getContext().getContentResolver();
    XPathResolver pathResolver = new XPathResolver(null == uri ? null : uri.toString(), "", getContext());
    Bitmap bitmap = null;
    try {
        if (!mAllowEdit) {
            String path = pathResolver.resolve();
            if (!XStringUtils.isEmptyString(path)) {
                bitmap = XUtils.decodeBitmap(path);
            }
        } else {
            //??????Android???
            bitmap = intent.getExtras().getParcelable("data");

            //?????URI
            if (bitmap == null) {
                bitmap = getCroppedBitmap(intent);
            }
        }
    } catch (OutOfMemoryError e) {
        mCallbackCtx.error("OutOfMemoryError when decode image.");
        return;
    }
    if (mDestType == DATA_URL) {
        int rotate = 0;
        String[] cols = { MediaStore.Images.Media.ORIENTATION };
        Cursor cursor = resolver.query(uri, cols, null, null, null);
        if (null != cursor) {
            cursor.moveToPosition(0);
            rotate = cursor.getInt(0);
            cursor.close();
        }
        if (0 != rotate) {
            Matrix matrix = new Matrix();
            matrix.setRotate(rotate);
            bitmap = bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
        }
        bitmap = scaleBitmap(bitmap);
        processPicture(bitmap);
        bitmap.recycle();
        bitmap = null;
        System.gc();
    } else if (mTargetHeight > 0 && mTargetWidth > 0) {
        try {
            Bitmap scaleBitmap = scaleBitmap(bitmap);

            String fileName = XConfiguration.getInstance().getWorkDirectory() + RESIZED_PIC_NAME;
            OutputStream os = new FileOutputStream(fileName);
            scaleBitmap.compress(Bitmap.CompressFormat.JPEG, mQuality, os);
            os.close();

            bitmap.recycle();
            bitmap = null;
            scaleBitmap.recycle();
            scaleBitmap = null;

            mCallbackCtx.success("file://" + fileName + "?" + System.currentTimeMillis());
            System.gc();
        } catch (Exception e) {
            mCallbackCtx.error("Error retrieving image.");
            return;
        }
    } else {
        mCallbackCtx.success(XConstant.FILE_SCHEME + pathResolver.resolve());
    }
}

From source file:com.futurologeek.smartcrossing.crop.CropImageActivity.java

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();/*from  w  w w.  j a v a 2  s  .co m*/

    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();

        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);

            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));

            //if the cutting box are rectangle( outWidth != outHeight ),and the exifRotation is 90 or 270,
            //the outWidth and outHeight showld be interchanged
            if (exifRotation == 90 || exifRotation == 270) {
                int temp = outWidth;
                outWidth = outHeight;
                outHeight = temp;
            }

            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right,
                    (int) adjusted.bottom);
        }

        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());
            if (rect.width() > outWidth || rect.height() > outHeight) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / rect.width(), (float) outHeight / rect.height());

                //if the picture's exifRotation !=0 ,they should be rotate to 0 degrees
                matrix.postRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);
            } else {
                //if the picture need not to be scale, they also neet to be rotate to 0 degrees
                Matrix matrix = new Matrix();
                matrix.postRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);
            }
        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + ","
                    + height + "," + exifRotation + ")", e);
        }

    } catch (IOException e) {
        Log.e("Error cropping image: " + e.getMessage(), e);
        finish();
    } catch (OutOfMemoryError e) {
        Log.e("OOM cropping image: " + e.getMessage(), e);
        setResultException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

From source file:com.MustacheMonitor.MustacheMonitor.StacheCam.java

/**
 * Figure out if the bitmap should be rotated. For instance if the picture was taken in
 * portrait mode/*from ww w  .  java2 s.  c  om*/
 *
 * @param rotate
 * @param bitmap
 * @return rotated bitmap
 */
private Bitmap getRotatedBitmap(int rotate, Bitmap bitmap, ExifHelper exif) {
    Matrix matrix = new Matrix();
    if (rotate == 180) {
        matrix.setRotate(rotate);
    } else {
        matrix.setRotate(rotate, (float) bitmap.getWidth() / 2, (float) bitmap.getHeight() / 2);
    }
    bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    exif.resetOrientation();
    return bitmap;
}

From source file:org.deviceconnect.android.deviceplugin.host.camera.CameraOverlay.java

@Override
public void onPreviewFrame(final byte[] data, final Camera camera) {
    synchronized (mCameraLock) {
        final long currentTime = System.currentTimeMillis();
        if (mLastFrameTime != 0) {
            if ((currentTime - mLastFrameTime) < mFrameInterval) {
                mLastFrameTime = currentTime;
                return;
            }//www  . j a v a2s  .c  o m
        }

        if (mCamera != null && mCamera.equals(camera)) {
            mCamera.setPreviewCallback(null);

            if (mServer != null) {
                int format = mPreview.getPreviewFormat();
                int width = mPreview.getPreviewWidth();
                int height = mPreview.getPreviewHeight();

                YuvImage yuvimage = new YuvImage(data, format, width, height, null);
                Rect rect = new Rect(0, 0, width, height);
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                if (yuvimage.compressToJpeg(rect, JPEG_COMPRESS_QUALITY, baos)) {
                    byte[] jdata = baos.toByteArray();

                    int degree = mPreview.getCameraDisplayOrientation(mContext);
                    if (degree == 0) {
                        mServer.offerMedia(jdata);
                    } else {
                        BitmapFactory.Options bitmapFactoryOptions = new BitmapFactory.Options();
                        bitmapFactoryOptions.inPreferredConfig = Bitmap.Config.RGB_565;
                        Bitmap bmp = BitmapFactory.decodeByteArray(jdata, 0, jdata.length,
                                bitmapFactoryOptions);
                        if (bmp != null) {
                            Matrix m = new Matrix();
                            m.setRotate(degree * mFacingDirection);

                            Bitmap rotatedBmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(),
                                    m, true);
                            if (rotatedBmp != null) {
                                baos.reset();
                                if (rotatedBmp.compress(CompressFormat.JPEG, JPEG_COMPRESS_QUALITY, baos)) {
                                    mServer.offerMedia(baos.toByteArray());
                                }
                                rotatedBmp.recycle();
                            }
                            bmp.recycle();
                        }
                    }
                }
            }

            mCamera.setPreviewCallback(this);
        }

        mLastFrameTime = currentTime;
    }
}

From source file:org.deviceconnect.android.deviceplugin.host.camera.CameraOverlay.java

/**
 * ?.//www  .  j  a va2 s .  c  o  m
 *
 * @param listener ??
 */
private void takePictureInternal(final OnTakePhotoListener listener) {
    synchronized (mCameraLock) {
        if (mPreview == null || mCamera == null) {
            if (listener != null) {
                listener.onFailedTakePhoto();
            }
            return;
        }
        mPreview.takePicture(new Camera.PictureCallback() {
            @Override
            public void onPictureTaken(final byte[] data, final Camera camera) {
                if (data == null) {
                    listener.onFailedTakePhoto();
                    common();
                    return;
                }
                int degrees = 0;
                switch (mWinMgr.getDefaultDisplay().getRotation()) {
                case Surface.ROTATION_0:
                    degrees = 0;
                    break;
                case Surface.ROTATION_90:
                    degrees = 90;
                    break;
                case Surface.ROTATION_180:
                    degrees = 180;
                    break;
                case Surface.ROTATION_270:
                    degrees = 270;
                    break;
                }
                mLogger.info("takePicture: display rotation = " + degrees);
                int rotation = mFacingDirection == 1 ? 0 : degrees + 180;
                Bitmap original = BitmapFactory.decodeByteArray(data, 0, data.length);
                Bitmap rotated;
                if (rotation == 0) {
                    rotated = original;
                } else {
                    Matrix m = new Matrix();
                    m.setRotate(rotation);
                    rotated = Bitmap.createBitmap(original, 0, 0, original.getWidth(), original.getHeight(), m,
                            true);
                    original.recycle();
                }
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                rotated.compress(CompressFormat.JPEG, JPEG_COMPRESS_QUALITY, baos);
                byte[] jpeg = baos.toByteArray();
                rotated.recycle();

                mFileMgr.saveFile(createNewFileName(), jpeg, new FileManager.SaveFileCallback() {
                    @Override
                    public void onSuccess(@NonNull final String uri) {
                        String filePath = mFileMgr.getBasePath().getAbsolutePath() + "/" + uri;
                        if (listener != null) {
                            listener.onTakenPhoto(uri, filePath);
                        }
                        common();
                    }

                    @Override
                    public void onFail(@NonNull final Throwable throwable) {
                        if (listener != null) {
                            listener.onFailedTakePhoto();
                        }
                        common();
                    }
                });
            }
        });
    }
}

From source file:com.logilite.vision.camera.CameraLauncher.java

/**
 * Applies all needed transformation to the image received from the gallery.
 *
 * @param destType          In which form should we return the image
 * @param intent            An Intent, which can return result data to the caller (various data can be attached to Intent "extras").
 *///from  w w  w .j av a2 s  .co m
private void processResultFromGallery(int destType, Intent intent) {
    Uri uri = intent.getData();
    int rotate = 0;

    // If you ask for video or all media type you will automatically get back a file URI
    // and there will be no attempt to resize any returned data
    if (this.mediaType != PICTURE) {
        this.callbackContext.success(uri.toString());
    } else {
        // This is a special case to just return the path as no scaling,
        // rotating, nor compressing needs to be done
        if (this.targetHeight == -1 && this.targetWidth == -1
                && (destType == FILE_URI || destType == NATIVE_URI) && !this.correctOrientation) {
            this.callbackContext.success(uri.toString());
        } else {
            String uriString = uri.toString();
            // Get the path to the image. Makes loading so much easier.
            String mimeType = FileHelper.getMimeType(uriString, this.cordova);
            // If we don't have a valid image so quit.
            Bitmap bitmap = null;
            try {
                bitmap = getScaledBitmap(uriString);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (bitmap == null) {
                Log.d(LOG_TAG, "I either have a null image path or bitmap");
                this.failPicture("Unable to create bitmap!");
                return;
            }

            if (this.correctOrientation) {
                rotate = getImageOrientation(uri);
                if (rotate != 0) {
                    Matrix matrix = new Matrix();
                    matrix.setRotate(rotate);
                    try {
                        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(),
                                matrix, true);
                        this.orientationCorrected = true;
                    } catch (OutOfMemoryError oom) {
                        this.orientationCorrected = false;
                    }
                }
            }

            // If sending base64 image back
            if (destType == DATA_URL) {
                this.processPicture(bitmap);
            }

            // If sending filename back
            else if (destType == FILE_URI || destType == NATIVE_URI) {
                // Did we modify the image?
                if ((this.targetHeight > 0 && this.targetWidth > 0)
                        || (this.correctOrientation && this.orientationCorrected)) {
                    try {
                        String modifiedPath = this.ouputModifiedBitmap(bitmap, uri);
                        // The modified image is cached by the app in order to get around this and not have to delete you
                        // application cache I'm adding the current system time to the end of the file url.
                        this.callbackContext
                                .success("file://" + modifiedPath + "?" + System.currentTimeMillis());
                    } catch (Exception e) {
                        e.printStackTrace();
                        this.failPicture("Error retrieving image.");
                    }
                } else {
                    this.callbackContext.success(uri.toString());
                }
            }
            if (bitmap != null) {
                bitmap.recycle();
                bitmap = null;
            }
            System.gc();
        }
    }
}

From source file:com.MustacheMonitor.MustacheMonitor.StacheCam.java

/**
 * Called when the camera view exits.//  w  w  w. j a  va2  s.c o  m
 *
 * @param requestCode       The request code originally supplied to startActivityForResult(),
 *                          allowing you to identify who this result came from.
 * @param resultCode        The integer result code returned by the child activity through its setResult().
 * @param intent            An Intent, which can return result data to the caller (various data can be attached to Intent "extras").
 */
public void onActivityResult(int requestCode, int resultCode, Intent intent) {

    // Get src and dest types from request code
    int srcType = (requestCode / 16) - 1;
    int destType = (requestCode % 16) - 1;
    int rotate = 0;

    // If CAMERA
    if (srcType == CAMERA) {
        // If image available
        if (resultCode == Activity.RESULT_OK) {
            try {
                // Create an ExifHelper to save the exif data that is lost during compression
                ExifHelper exif = new ExifHelper();
                try {
                    if (this.encodingType == JPEG) {
                        exif.createInFile(DirectoryManager.getTempDirectoryPath(this.cordova.getActivity())
                                + "/.Pic.jpg");
                        exif.readExifData();
                        rotate = exif.getOrientation();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }

                Bitmap bitmap = null;
                Uri uri = null;

                // If sending base64 image back
                if (destType == DATA_URL) {
                    bitmap = getScaledBitmap(FileUtils.stripFileProtocol(imageUri.toString()));

                    if (rotate != 0 && this.correctOrientation) {
                        bitmap = getRotatedBitmap(rotate, bitmap, exif);
                    }

                    this.processPicture(bitmap);
                    checkForDuplicateImage(DATA_URL);
                }

                // If sending filename back
                else if (destType == FILE_URI) {
                    if (!this.saveToPhotoAlbum) {
                        uri = Uri.fromFile(
                                new File(DirectoryManager.getTempDirectoryPath(this.cordova.getActivity()),
                                        System.currentTimeMillis() + ".jpg"));
                    } else {
                        uri = getUriFromMediaStore();
                    }

                    if (uri == null) {
                        this.failPicture("Error capturing image - no media storage found.");
                    }

                    // If all this is true we shouldn't compress the image.
                    if (this.targetHeight == -1 && this.targetWidth == -1 && this.mQuality == 100
                            && rotate == 0) {
                        writeUncompressedImage(uri);

                        this.success(new PluginResult(PluginResult.Status.OK, uri.toString()), this.callbackId);
                    } else {
                        bitmap = getScaledBitmap(FileUtils.stripFileProtocol(imageUri.toString()));

                        if (rotate != 0 && this.correctOrientation) {
                            bitmap = getRotatedBitmap(rotate, bitmap, exif);
                        }

                        // Add compressed version of captured image to returned media store Uri
                        OutputStream os = this.cordova.getActivity().getContentResolver().openOutputStream(uri);
                        bitmap.compress(Bitmap.CompressFormat.JPEG, this.mQuality, os);
                        os.close();

                        // Restore exif data to file
                        if (this.encodingType == JPEG) {
                            String exifPath;
                            if (this.saveToPhotoAlbum) {
                                exifPath = FileUtils.getRealPathFromURI(uri, this.cordova);
                            } else {
                                exifPath = uri.getPath();
                            }
                            exif.createOutFile(exifPath);
                            exif.writeExifData();
                        }

                    }
                    // Send Uri back to JavaScript for viewing image
                    this.success(new PluginResult(PluginResult.Status.OK, uri.toString()), this.callbackId);
                }

                this.cleanup(FILE_URI, this.imageUri, uri, bitmap);
                bitmap = null;

            } catch (IOException e) {
                e.printStackTrace();
                this.failPicture("Error capturing image.");
            }
        }

        // If cancelled
        else if (resultCode == Activity.RESULT_CANCELED) {
            this.failPicture("Camera cancelled.");
        }

        // If something else
        else {
            this.failPicture("Did not complete!");
        }
    }

    // If retrieving photo from library
    else if ((srcType == PHOTOLIBRARY) || (srcType == SAVEDPHOTOALBUM)) {
        if (resultCode == Activity.RESULT_OK) {
            Uri uri = intent.getData();

            // If you ask for video or all media type you will automatically get back a file URI
            // and there will be no attempt to resize any returned data
            if (this.mediaType != PICTURE) {
                this.success(new PluginResult(PluginResult.Status.OK, uri.toString()), this.callbackId);
            } else {
                // This is a special case to just return the path as no scaling,
                // rotating or compression needs to be done
                if (this.targetHeight == -1 && this.targetWidth == -1 && this.mQuality == 100
                        && destType == FILE_URI && !this.correctOrientation) {
                    this.success(new PluginResult(PluginResult.Status.OK, uri.toString()), this.callbackId);
                } else {
                    // Get the path to the image. Makes loading so much easier.
                    String imagePath = FileUtils.getRealPathFromURI(uri, this.cordova);
                    Log.d(LOG_TAG, "Real path = " + imagePath);
                    // If we don't have a valid image so quit.
                    if (imagePath == null) {
                        Log.d(LOG_TAG, "I either have a null image path or bitmap");
                        this.failPicture("Unable to retreive path to picture!");
                        return;
                    }
                    Bitmap bitmap = getScaledBitmap(imagePath);
                    if (bitmap == null) {
                        Log.d(LOG_TAG, "I either have a null image path or bitmap");
                        this.failPicture("Unable to create bitmap!");
                        return;
                    }

                    if (this.correctOrientation) {
                        String[] cols = { MediaStore.Images.Media.ORIENTATION };
                        Cursor cursor = this.cordova.getActivity().getContentResolver().query(intent.getData(),
                                cols, null, null, null);
                        if (cursor != null) {
                            cursor.moveToPosition(0);
                            rotate = cursor.getInt(0);
                            cursor.close();
                        }
                        if (rotate != 0) {
                            Matrix matrix = new Matrix();
                            matrix.setRotate(rotate);
                            bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(),
                                    matrix, true);
                        }
                    }

                    // If sending base64 image back
                    if (destType == DATA_URL) {
                        this.processPicture(bitmap);
                    }

                    // If sending filename back
                    else if (destType == FILE_URI) {
                        // Do we need to scale the returned file
                        if (this.targetHeight > 0 && this.targetWidth > 0) {
                            try {
                                // Create an ExifHelper to save the exif data that is lost during compression
                                String resizePath = DirectoryManager
                                        .getTempDirectoryPath(this.cordova.getActivity()) + "/resize.jpg";
                                ExifHelper exif = new ExifHelper();
                                try {
                                    if (this.encodingType == JPEG) {
                                        exif.createInFile(resizePath);
                                        exif.readExifData();
                                        rotate = exif.getOrientation();
                                    }
                                } catch (IOException e) {
                                    e.printStackTrace();
                                }

                                OutputStream os = new FileOutputStream(resizePath);
                                bitmap.compress(Bitmap.CompressFormat.JPEG, this.mQuality, os);
                                os.close();

                                // Restore exif data to file
                                if (this.encodingType == JPEG) {
                                    exif.createOutFile(FileUtils.getRealPathFromURI(uri, this.cordova));
                                    exif.writeExifData();
                                }

                                // The resized image is cached by the app in order to get around this and not have to delete you
                                // application cache I'm adding the current system time to the end of the file url.
                                this.success(
                                        new PluginResult(PluginResult.Status.OK,
                                                ("file://" + resizePath + "?" + System.currentTimeMillis())),
                                        this.callbackId);
                            } catch (Exception e) {
                                e.printStackTrace();
                                this.failPicture("Error retrieving image.");
                            }
                        } else {
                            this.success(new PluginResult(PluginResult.Status.OK, uri.toString()),
                                    this.callbackId);
                        }
                    }
                    if (bitmap != null) {
                        bitmap.recycle();
                        bitmap = null;
                    }
                    System.gc();
                }
            }
        } else if (resultCode == Activity.RESULT_CANCELED) {
            this.failPicture("Selection cancelled.");
        } else {
            this.failPicture("Selection did not complete!");
        }
    }
}

From source file:org.apache.cordova.ForegroundCameraLauncher.java

/**
 * Called when the camera view exits./*  w  ww  .  ja  v a 2 s. c om*/
 *
 * @param requestCode       The request code originally supplied to startActivityForResult(),
 *                          allowing you to identify who this result came from.
 * @param resultCode        The integer result code returned by the child activity through its setResult().
 * @param intent            An Intent, which can return result data to the caller (various data can be attached to Intent "extras").
 */
public void onActivityResult(int requestCode, int resultCode, Intent intent) {

    // Get src and dest types from request code
    int srcType = (requestCode / 16) - 1;
    int destType = (requestCode % 16) - 1;
    int rotate = 0;

    // If CAMERA
    if (srcType == CAMERA) {
        // If image available
        if (resultCode == Activity.RESULT_OK) {
            try {
                // Create an ExifHelper to save the exif data that is lost during compression
                ExifHelper exif = new ExifHelper();
                try {
                    if (this.encodingType == JPEG) {
                        exif.createInFile(DirectoryManager.getTempDirectoryPath(this.cordova.getActivity())
                                + "/.Pic.jpg");
                        exif.readExifData();
                        rotate = exif.getOrientation();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }

                Bitmap bitmap = null;
                Uri uri = null;

                // If sending base64 image back
                if (destType == DATA_URL) {
                    bitmap = getScaledBitmap(FileUtils.stripFileProtocol(imageUri.toString()));

                    if (rotate != 0 && this.correctOrientation) {
                        bitmap = getRotatedBitmap(rotate, bitmap, exif);
                    }

                    this.processPicture(bitmap);
                    checkForDuplicateImage(DATA_URL);
                }

                // If sending filename back
                else if (destType == FILE_URI) {
                    if (!this.saveToPhotoAlbum) {
                        uri = Uri.fromFile(
                                new File(DirectoryManager.getTempDirectoryPath(this.cordova.getActivity()),
                                        System.currentTimeMillis() + ".jpg"));
                    } else {
                        uri = getUriFromMediaStore();
                    }

                    if (uri == null) {
                        this.failPicture("Error capturing image - no media storage found.");
                    }

                    // If all this is true we shouldn't compress the image.
                    if (this.targetHeight == -1 && this.targetWidth == -1 && this.mQuality == 100
                            && rotate == 0) {
                        writeUncompressedImage(uri);

                        this.callbackContext.success(uri.toString());
                    } else {
                        bitmap = getScaledBitmap(FileUtils.stripFileProtocol(imageUri.toString()));

                        if (rotate != 0 && this.correctOrientation) {
                            bitmap = getRotatedBitmap(rotate, bitmap, exif);
                        }

                        // Add compressed version of captured image to returned media store Uri
                        OutputStream os = this.cordova.getActivity().getContentResolver().openOutputStream(uri);
                        bitmap.compress(Bitmap.CompressFormat.JPEG, this.mQuality, os);
                        os.close();

                        // Restore exif data to file
                        if (this.encodingType == JPEG) {
                            String exifPath;
                            if (this.saveToPhotoAlbum) {
                                exifPath = FileUtils.getRealPathFromURI(uri, this.cordova);
                            } else {
                                exifPath = uri.getPath();
                            }
                            exif.createOutFile(exifPath);
                            exif.writeExifData();
                        }

                    }
                    // Send Uri back to JavaScript for viewing image
                    this.callbackContext.success(uri.toString());
                }

                this.cleanup(FILE_URI, this.imageUri, uri, bitmap);
                bitmap = null;

            } catch (IOException e) {
                e.printStackTrace();
                this.failPicture("Error capturing image.");
            }
        }

        // If cancelled
        else if (resultCode == Activity.RESULT_CANCELED) {
            this.failPicture("Camera cancelled.");
        }

        // If something else
        else {
            this.failPicture("Did not complete!");
        }
    }

    // If retrieving photo from library
    else if ((srcType == PHOTOLIBRARY) || (srcType == SAVEDPHOTOALBUM)) {
        if (resultCode == Activity.RESULT_OK) {
            Uri uri = intent.getData();

            // If you ask for video or all media type you will automatically get back a file URI
            // and there will be no attempt to resize any returned data
            if (this.mediaType != PICTURE) {
                this.callbackContext.success(uri.toString());
            } else {
                // This is a special case to just return the path as no scaling,
                // rotating or compression needs to be done
                if (this.targetHeight == -1 && this.targetWidth == -1 && this.mQuality == 100
                        && destType == FILE_URI && !this.correctOrientation) {
                    this.callbackContext.success(uri.toString());
                } else {
                    // Get the path to the image. Makes loading so much easier.
                    String imagePath = FileUtils.getRealPathFromURI(uri, this.cordova);
                    String mimeType = FileUtils.getMimeType(imagePath);
                    // Log.d(LOG_TAG, "Real path = " + imagePath);
                    // Log.d(LOG_TAG, "mime type = " + mimeType);
                    // If we don't have a valid image so quit.
                    if (imagePath == null || mimeType == null || !(mimeType.equalsIgnoreCase("image/jpeg")
                            || mimeType.equalsIgnoreCase("image/png"))) {
                        Log.d(LOG_TAG, "I either have a null image path or bitmap");
                        this.failPicture("Unable to retrieve path to picture!");
                        return;
                    }
                    Bitmap bitmap = getScaledBitmap(imagePath);
                    if (bitmap == null) {
                        Log.d(LOG_TAG, "I either have a null image path or bitmap");
                        this.failPicture("Unable to create bitmap!");
                        return;
                    }

                    if (this.correctOrientation) {
                        String[] cols = { MediaStore.Images.Media.ORIENTATION };
                        Cursor cursor = this.cordova.getActivity().getContentResolver().query(intent.getData(),
                                cols, null, null, null);
                        if (cursor != null) {
                            cursor.moveToPosition(0);
                            rotate = cursor.getInt(0);
                            cursor.close();
                        }
                        if (rotate != 0) {
                            Matrix matrix = new Matrix();
                            matrix.setRotate(rotate);
                            bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(),
                                    matrix, true);
                        }
                    }

                    // If sending base64 image back
                    if (destType == DATA_URL) {
                        this.processPicture(bitmap);
                    }

                    // If sending filename back
                    else if (destType == FILE_URI) {
                        // Do we need to scale the returned file
                        if (this.targetHeight > 0 && this.targetWidth > 0) {
                            try {
                                // Create an ExifHelper to save the exif data that is lost during compression
                                String resizePath = DirectoryManager
                                        .getTempDirectoryPath(this.cordova.getActivity()) + "/resize.jpg";
                                ExifHelper exif = new ExifHelper();
                                try {
                                    if (this.encodingType == JPEG) {
                                        exif.createInFile(resizePath);
                                        exif.readExifData();
                                        rotate = exif.getOrientation();
                                    }
                                } catch (IOException e) {
                                    e.printStackTrace();
                                }

                                OutputStream os = new FileOutputStream(resizePath);
                                bitmap.compress(Bitmap.CompressFormat.JPEG, this.mQuality, os);
                                os.close();

                                // Restore exif data to file
                                if (this.encodingType == JPEG) {
                                    exif.createOutFile(FileUtils.getRealPathFromURI(uri, this.cordova));
                                    exif.writeExifData();
                                }

                                // The resized image is cached by the app in order to get around this and not have to delete you
                                // application cache I'm adding the current system time to the end of the file url.
                                this.callbackContext
                                        .success("file://" + resizePath + "?" + System.currentTimeMillis());
                            } catch (Exception e) {
                                e.printStackTrace();
                                this.failPicture("Error retrieving image.");
                            }
                        } else {
                            this.callbackContext.success(uri.toString());
                        }
                    }
                    if (bitmap != null) {
                        bitmap.recycle();
                        bitmap = null;
                    }
                    System.gc();
                }
            }
        } else if (resultCode == Activity.RESULT_CANCELED) {
            this.failPicture("Selection cancelled.");
        } else {
            this.failPicture("Selection did not complete!");
        }
    }
}