android - How can I place the 3 circles so that the center of overlap of them is always in screen center on different screen size? -


i'm going implement ui design picture in link (please ignore text , coordinate in picture): https://onedrive.live.com/redir?resid=a9a5b8b663e8f93a!25425&authkey=!aclrivht7lihdpg&ithint=folder%2cpng

there 3 circles same radius, , 3 circles have overlap center of overlap screen center. circle align parent top , b align parent bottom , left. c symmetric of b. question how can scale coordinate of 3 circles , radius on different size of screens looks same? need calculate these values on different size of screens:

  1. top margin of circle a
  2. left margin of circle b
  3. bottom margin of circle b
  4. radius of circle

thank in advance!


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