title: Starting default Set as Wallpaper intent / activity with bitmap
body: <p>I have a bitmap downloaded from a url and want to start android's default set as wallpaper intent/activity passing my bitmap. I have found following solution but missing value of "R.String.set_as"  and "REQUEST_ID_SET_AS_WALLPAPER".</p>
  
  <p><a href="https://stackoverflow.com/a/26869604/4767525">https://stackoverflow.com/a/26869604/4767525</a></p>
  
  <p>what should be the value of this fields?</p>
  
  <p>Thanks</p>