Image compression like Whatsapp and other messengers on Android

Try below code :-

public String compressImage(String imageUri) {        String filePath = getRealPathFromURI(imageUri);        Bitmap scaledBitmap = null;        BitmapFactory.Options options = new BitmapFactory.Options();//      by setting this field as true, the actual bitmap pixels are not loaded in the memory. Just the bounds are loaded. If//      you try the use the bitmap here, you will get null.        options.inJustDecodeBounds = true;        Bitmap bmp = BitmapFactory.decodeFile(filePath, options);        int actualHeight = options.outHeight;        int actualWidth = options.outWidth;//      max Height and width values of the compressed image is taken as 816x612        float maxHeight = 816.0f;        float maxWidth = 612.0f;        float imgRatio = actualWidth / actualHeight;        float maxRatio = maxWidth / maxHeight;//      width and height values are set maintaining the aspect ratio of the image        if (actualHeight > maxHeight || actualWidth > maxWidth) {            if (imgRatio < maxRatio) {               imgRatio = maxHeight / actualHeight;                actualWidth = (int) (imgRatio * actualWidth);               actualHeight = (int) maxHeight;             } else if (imgRatio > maxRatio) {                imgRatio = maxWidth / actualWidth;                actualHeight = (int) (imgRatio * actualHeight);                actualWidth = (int) maxWidth;            } else {                actualHeight = (int) maxHeight;                actualWidth = (int) maxWidth;            }        }//      setting inSampleSize value allows to load a scaled down version of the original image        options.inSampleSize = calculateInSampleSize(options, actualWidth, actualHeight);//      inJustDecodeBounds set to false to load the actual bitmap        options.inJustDecodeBounds = false;//      this options allow android to claim the bitmap memory if it runs low on memory        options.inPurgeable = true;        options.inInputShareable = true;        options.inTempStorage = new byte[16 * 1024];        try {//          load the bitmap from its path            bmp = BitmapFactory.decodeFile(filePath, options);        } catch (OutOfMemoryError exception) {            exception.printStackTrace();        }        try {            scaledBitmap = Bitmap.createBitmap(actualWidth, actualHeight,Bitmap.Config.ARGB_8888);        } catch (OutOfMemoryError exception) {            exception.printStackTrace();        }        float ratioX = actualWidth / (float) options.outWidth;        float ratioY = actualHeight / (float) options.outHeight;        float middleX = actualWidth / 2.0f;        float middleY = actualHeight / 2.0f;        Matrix scaleMatrix = new Matrix();        scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);        Canvas canvas = new Canvas(scaledBitmap);        canvas.setMatrix(scaleMatrix);        canvas.drawBitmap(bmp, middleX - bmp.getWidth() / 2, middleY - bmp.getHeight() / 2, new Paint(Paint.FILTER_BITMAP_FLAG));//      check the rotation of the image and display it properly        ExifInterface exif;        try {            exif = new ExifInterface(filePath);            int orientation = exif.getAttributeInt(                    ExifInterface.TAG_ORIENTATION, 0);            Log.d("EXIF", "Exif: " + orientation);            Matrix matrix = new Matrix();            if (orientation == 6) {                matrix.postRotate(90);                Log.d("EXIF", "Exif: " + orientation);            } else if (orientation == 3) {                matrix.postRotate(180);                Log.d("EXIF", "Exif: " + orientation);            } else if (orientation == 8) {                matrix.postRotate(270);                Log.d("EXIF", "Exif: " + orientation);            }            scaledBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0,                    scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix,                    true);        } catch (IOException e) {            e.printStackTrace();        }        FileOutputStream out = null;        String filename = getFilename();        try {            out = new FileOutputStream(filename);//          write the compressed bitmap at the destination specified by filename.            scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 80, out);        } catch (FileNotFoundException e) {            e.printStackTrace();        }        return filename;    }

for for information see below link :-

http://voidcanvas.com/whatsapp-like-image-compression-in-android/

Hope Helps this

  public static String compressImage(String filePath) {    Bitmap scaledBitmap = null;    BitmapFactory.Options options = new BitmapFactory.Options();    options.inJustDecodeBounds = true;    Bitmap bmp = BitmapFactory.decodeFile(filePath, options);    int actualHeight = options.outHeight;    int actualWidth = options.outWidth;    float maxHeight = 400.0f;    float maxWidth = 300.0f;    float imgRatio = actualWidth / actualHeight;    float maxRatio = maxWidth / maxHeight;    if (actualHeight > maxHeight || actualWidth > maxWidth)     {        if (imgRatio < maxRatio) {          imgRatio = maxHeight / actualHeight;            actualWidth = (int) (imgRatio * actualWidth);           actualHeight = (int) maxHeight;        } else if (imgRatio > maxRatio) {            imgRatio = maxWidth / actualWidth;            actualHeight = (int) (imgRatio * actualHeight);            actualWidth = (int) maxWidth;        } else {            actualHeight = (int) maxHeight;            actualWidth = (int) maxWidth;        }    }    options.inSampleSize = calculateInSampleSize(options, actualWidth,                                actualHeight);   //      inJustDecodeBounds set to false to load the actual bitmap    options.inJustDecodeBounds = false;     //      this options allow android to claim the bitmap memory if it runs low on memory    options.inPurgeable = true;    options.inInputShareable = true;    options.inTempStorage = new byte[16 * 1024];    try {    //          load the bitmap from its path        bmp = BitmapFactory.decodeFile(filePath, options);    } catch (OutOfMemoryError exception) {        exception.printStackTrace();    }    try {        scaledBitmap = Bitmap.createBitmap(actualWidth,                            actualHeight,Bitmap.Config.ARGB_8888);    } catch (OutOfMemoryError exception) {        exception.printStackTrace();    }    float ratioX = actualWidth / (float) options.outWidth;    float ratioY = actualHeight / (float) options.outHeight;    float middleX = actualWidth / 2.0f;    float middleY = actualHeight / 2.0f;    Matrix scaleMatrix = new Matrix();    scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);    Canvas canvas = new Canvas(scaledBitmap);    canvas.setMatrix(scaleMatrix);    canvas.drawBitmap(bmp, middleX - bmp.getWidth() / 2, middleY - bmp.getHeight() / 2, new Paint(Paint.FILTER_BITMAP_FLAG));    //      check the rotation of the image and display it properly    ExifInterface exif;    try {        exif = new ExifInterface(filePath);        int orientation = exif.getAttributeInt(                ExifInterface.TAG_ORIENTATION, 0);        Log.d("EXIF", "Exif: " + orientation);        Matrix matrix = new Matrix();        if (orientation == 6) {            matrix.postRotate(90);            Log.d("EXIF", "Exif: " + orientation);        } else if (orientation == 3) {            matrix.postRotate(180);            Log.d("EXIF", "Exif: " + orientation);        } else if (orientation == 8) {            matrix.postRotate(270);            Log.d("EXIF", "Exif: " + orientation);        }        scaledBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0,                scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix,                true);    } catch (IOException e) {        e.printStackTrace();    }    FileOutputStream out = null;    String filename = getFilename();    try {        out = new FileOutputStream(filename);        //          write the compressed bitmap at the destination specified by filename.        scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 80, out);    } catch (FileNotFoundException e) {        e.printStackTrace();    }    return filename;}public static String getFilename() {    File file = new File(Environment.getExternalStorageDirectory().getPath(), "Foldername/Images");    if (!file.exists()) {        file.mkdirs();    }    String uriSting = (file.getAbsolutePath() + "/" + System.currentTimeMillis() + ".jpg");    return uriSting;}public static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {    final int height = options.outHeight;    final int width = options.outWidth;    int inSampleSize = 1;    if (height > reqHeight || width > reqWidth) {        final int heightRatio = Math.round((float) height/ (float) reqHeight);        final int widthRatio = Math.round((float) width / (float) reqWidth);        inSampleSize = heightRatio < widthRatio ? heightRatio : widthRatio;  }       final float totalPixels = width * height;  final float totalReqPixelsCap = reqWidth * reqHeight * 2;   while (totalPixels / (inSampleSize * inSampleSize) > totalReqPixelsCap) {        inSampleSize++;    }    return inSampleSize;}public static Bitmap highlightImage(Bitmap src) {      // create new bitmap, which will be painted and becomes result image      Bitmap bmOut = Bitmap.createBitmap(src.getWidth() + 96, src.getHeight() + 96, Bitmap.Config.ARGB_8888);      // setup canvas for painting      Canvas canvas = new Canvas(bmOut);      // setup default color      canvas.drawColor(0, PorterDuff.Mode.CLEAR);      // create a blur paint for capturing alpha      Paint ptBlur = new Paint();      ptBlur.setMaskFilter(new BlurMaskFilter(15, Blur.NORMAL));      int[] offsetXY = new int[2];      // capture alpha into a bitmap      Bitmap bmAlpha = src.extractAlpha(ptBlur, offsetXY);      // create a color paint      Paint ptAlphaColor = new Paint();      ptAlphaColor.setColor(0xFFFFFFFF);      // paint color for captured alpha region (bitmap)      canvas.drawBitmap(bmAlpha, offsetXY[0], offsetXY[1], ptAlphaColor);      // free memory      bmAlpha.recycle();      // paint the image source      canvas.drawBitmap(src, 0, 0, null);      // return out final image      return bmOut;     }

Try this code

private void previewCapturedImage() {    try {        int targetW = 450;        int targetH = 450;        Log.e("Get w", "width" + targetW);        Log.e("Get H", "height" + targetH);        // Get the dimensions of the bitmap        BitmapFactory.Options bmOptions = new BitmapFactory.Options();        bmOptions.inJustDecodeBounds = true;        BitmapFactory.decodeFile(filename, bmOptions);        int photoW = bmOptions.outWidth;        int photoH = bmOptions.outHeight;        // Determine how much to scale down the image        int scaleFactor = Math.min(photoW / targetW, photoH / targetH);        // Decode the image file into a Bitmap sized to fill the View        bmOptions.inJustDecodeBounds = false;        bmOptions.inSampleSize = scaleFactor << 1;        bmOptions.inPurgeable = true;        Bitmap bitmap = BitmapFactory.decodeFile(filename, bmOptions);        Matrix mtx = new Matrix();        try {            File imageFile = new File(filename);            imageFile1 = imageFile;            ExifInterface exif = new ExifInterface(                    imageFile.getAbsolutePath());            int orientation = exif.getAttributeInt(                    ExifInterface.TAG_ORIENTATION,                    ExifInterface.ORIENTATION_NORMAL);            Log.e("Orintation", "  :-" + orientation);            switch (orientation) {            case ExifInterface.ORIENTATION_ROTATE_270:                mtx.postRotate(270);                rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0,                        bitmap.getWidth(), bitmap.getHeight(), mtx, true);                if (rotatedBMP != bitmap)                    bitmap.recycle();                imgPreview.setImageBitmap(rotatedBMP);                break;            case ExifInterface.ORIENTATION_ROTATE_180:                mtx.postRotate(180);                rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0,                        bitmap.getWidth(), bitmap.getHeight(), mtx, true);                if (rotatedBMP != bitmap)                    bitmap.recycle();                imgPreview.setImageBitmap(rotatedBMP);                break;            case ExifInterface.ORIENTATION_ROTATE_90:                mtx.postRotate(90);                rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0,                        bitmap.getWidth(), bitmap.getHeight(), mtx, true);                if (rotatedBMP != bitmap)                    bitmap.recycle();                imgPreview.setImageBitmap(rotatedBMP);                break;            case ExifInterface.ORIENTATION_NORMAL:                mtx.postRotate(0);                rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0,                        bitmap.getWidth(), bitmap.getHeight(), mtx, true);                if (rotatedBMP != bitmap)                    bitmap.recycle();                imgPreview.setImageBitmap(rotatedBMP);                break;            default:                mtx.postRotate(0);                rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0,                        bitmap.getWidth(), bitmap.getHeight(), mtx, true);                if (rotatedBMP != bitmap)                    bitmap.recycle();                imgPreview.setImageBitmap(rotatedBMP);                // img_profilepic.setImageBitmap(BitmapFactory                // .decodeFile(mCurrentPhotoPath));            }            double megabytes = 0;            if (imageFile1.exists()) {                double bytes = imageFile1.length();                double kilobytes = (bytes / 1024);                megabytes = (kilobytes / 1024);                double gigabytes = (megabytes / 1024);                double terabytes = (gigabytes / 1024);                double petabytes = (terabytes / 1024);                double exabytes = (petabytes / 1024);                double zettabytes = (exabytes / 1024);                double yottabytes = (zettabytes / 1024);                Log.e("Image Size After in KB", "20th May:" + kilobytes);                Log.e("Image Size After in MB", "20th May:" + megabytes);            }            int AfterSize = rotatedBMP.getRowBytes()                    * rotatedBMP.getHeight();            Log.e("After Compress Withd ",                    "21st May ::" + rotatedBMP.getWidth());            Log.e("After Compress Withd ",                    "21st May ::" + rotatedBMP.getWidth());            Log.i("RotateImage", "Exif orientation: " + orientation);            tv_After.setText("After Width:" + rotatedBMP.getWidth()                    + " :Height:" + rotatedBMP.getHeight() + ":in MB :"                    + megabytes + " :Bitmap: " + AfterSize);        } catch (Exception e) {            e.printStackTrace();        }    } catch (NullPointerException e) {        e.printStackTrace();    }}

also put this method.

public int calculateInSampleSize(BitmapFactory.Options options,        int reqWidth, int reqHeight) {    final int height = options.outHeight;    final int width = options.outWidth;    int inSampleSize = 1;    if (height > reqHeight || width > reqWidth) {        final int heightRatio = Math.round((float) height                / (float) reqHeight);        final int widthRatio = Math.round((float) width / (float) reqWidth);        inSampleSize = heightRatio < widthRatio ? heightRatio : widthRatio;    }    final float totalPixels = width * height;    final float totalReqPixelsCap = reqWidth * reqHeight * 2;    while (totalPixels / (inSampleSize * inSampleSize) > totalReqPixelsCap)     {        inSampleSize++;    }    Log.e("In Sample Size..", "19th May :-" + inSampleSize);    return inSampleSize;}