Example usage for android.graphics Bitmap recycle

Introduction

In this page you can find the example usage for android.graphics Bitmap recycle.

Prototype

public void recycle()

Source Link

Document

Free the native object associated with this bitmap, and clear the reference to the pixel data.

Usage

From source file:Main.java

public static byte[] toByteArray(final Bitmap bitmap) {

    final ByteArrayOutputStream output = new ByteArrayOutputStream();

    bitmap.compress(Bitmap.CompressFormat.PNG, 100, output);

    bitmap.recycle();

    return output.toByteArray();
}

From source file:Main.java

/**
 * @description get the scaled bitmap as request
 *
 * @param src/* w  w  w. ja  v  a2  s .  c om*/
 * @param dstWidth
 * @param dstHeight
 * @return
 */
private static Bitmap createScaleBitmap(Bitmap src, int dstWidth, int dstHeight, int inSampleSize) {
    Bitmap dst = Bitmap.createScaledBitmap(src, dstWidth, dstHeight, false);
    if (src != dst) {
        src.recycle();
    }
    return dst;
}

From source file:Main.java

public static Bitmap toAlpha(Bitmap src, Boolean recycle) {
    if (isEmptyBitmap(src))
        return null;
    Bitmap ret = src.extractAlpha();/* w  ww .j a va 2 s .  co m*/
    if (recycle && !src.isRecycled())
        src.recycle();
    return ret;
}

From source file:Main.java

public static Bitmap cropBitmap(Bitmap source, int x, int y, int width, int height) {
    Bitmap bmp = Bitmap.createBitmap(source, x, y, width, height, null, false);
    if (source != null && bmp != source) {
        source.recycle();
    }//from w w  w .  j  a v  a 2 s .  c  o  m
    return bmp;
}

From source file:Main.java

public static Point getImageDimension(Context context, int resource) {
    Bitmap bm = BitmapFactory.decodeResource(context.getResources(), resource);
    Point point = new Point();
    point.x = bm.getWidth();/*www.  ja va 2 s.  c o m*/
    point.y = bm.getHeight();
    bm.recycle();
    bm = null;

    return point;
}

From source file:Main.java

/**
 * Bitmap -> byte/*from ww w  .  java 2s . co m*/
 * 
 * @param bitmap
 * @return
 */
public static byte[] bitmapToByte(Bitmap bitmap) {
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
        bitmap.recycle();
        bitmap = null;
        byte[] array = out.toByteArray();
        return array;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static Point getImageMaxDimension(Context context, int[] imgRes) {
    final Point point = new Point();

    for (int i = 0, length = imgRes.length; i < length; i++) {
        Bitmap tmp = BitmapFactory.decodeResource(context.getResources(), imgRes[i]);
        int width = tmp.getWidth();
        int height = tmp.getHeight();
        tmp.recycle();
        tmp = null;//from w ww . ja  va2 s  .  c o  m

        if (point.x < width) {
            point.x = width;
        }

        if (point.y < height) {
            point.y = height;
        }
    }

    return point;
}

From source file:Main.java

public static Bitmap load_bitmap_from_uri_string(Context context, String uri, int sizeX, int sizeY) {
    Bitmap small_bitmap = null;/* w w w .j  av a2 s . co m*/

    Uri img_uri = Uri.parse(uri);
    if (uri != null) {
        try {

            InputStream inputStream = context.getContentResolver().openInputStream(img_uri);
            Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
            small_bitmap = Bitmap.createScaledBitmap(bitmap, sizeX, sizeY, false);
            bitmap.recycle();

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }

    return small_bitmap;
}

From source file:Main.java

/**
 * Returns a BitmapFactory.Options object containing the size of the image at the given URI,
 * without actually loading the image.//from   www  .j  av  a2 s  .  c o m
 */
public static BitmapFactory.Options computeBitmapSizeFromURI(Context context, Uri imageURI)
        throws FileNotFoundException {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    Bitmap bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(imageURI), null,
            options);
    if (bitmap != null) {
        bitmap.recycle();
    }
    return options;
}

From source file:Main.java

public static void recycleImageView(View view) {
    if (view == null)
        return;//from   www.j a v a 2 s. c o m
    if (view instanceof ImageView) {
        Drawable drawable = ((ImageView) view).getDrawable();
        if (drawable instanceof BitmapDrawable) {
            Bitmap bmp = ((BitmapDrawable) drawable).getBitmap();
            if (bmp != null && !bmp.isRecycled()) {
                ((ImageView) view).setImageBitmap(null);
                bmp.recycle();
                bmp = null;
            }
        }
    }
}