title: Android: Save Bitmap object as a bmp (1bpp) file format
body: <p>Based on this question asked by @ben75: <a href="https://stackoverflow.com/questions/22909429/android-save-a-bitmap-to-bmp-file-format">Android : save a Bitmap to bmp file format</a></p>
  
  <p>My question now is: How can I have a BMP image with the depth of 1 bit per pixel (Black &amp; White)?</p>