Question

The ZXing library’s Writer.encode() function returns a BitMatrix object. How does one convert that to a standard java Bitmap object so it can be used as the source of an ImageView in Android?

Answer 1

writeToFile(BitMatrix matrix, String format, File file)

thsi method will write the BitMatrix into a file, now you can decode this file using

BitmapFactory.decodeFile(newly created file name with path)

This will return a Bitmap

For more detail see this link