Android: Transform a bitmap into an input stream

Question

How do you transform a Bitmap into an InputStream?

I would like to use this InputStream as input to the ETC1Util.loadTexture() function.

Answer 1

This might work

ByteArrayOutputStream bos = new ByteArrayOutputStream();  bitmap.compress(CompressFormat.PNG, 0 /*ignored for PNG*/, bos);  byte[] bitmapdata = bos.toByteArray(); ByteArrayInputStream bs = new ByteArrayInputStream(bitmapdata); 

Answer 2

This is my way:

// Your Bitmap. Bitmap bitmap = XXX;    int byteSize = bitmap.getRowBytes() * bitmap.getHeight(); ByteBuffer byteBuffer = ByteBuffer.allocate(byteSize); bitmap.copyPixelsToBuffer(byteBuffer);    // Get the byteArray. byte[] byteArray = byteBuffer.array();  // Get the ByteArrayInputStream. ByteArrayInputStream bs = new ByteArrayInputStream(byteArray);