android - Best solution to draw responsive areas on image -

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i'm wondering best solution result shown below. here i've found far:

an imageview forest , transparent surfaceview (to handle touch) on draw rectangles? or... 1 surfaceview image set background , rectangles directly drawn on...?

for 2 i've chosen relativelayout.

which of 2 efficient , easiest do? or maybe there way haven't think about.

in case advice, here tend to...

enter image description here

i've implemented placing image in relativelayout (framelayout work too), , adding each outlined view programatically. if know x , y origin (perhaps ratio image) , size each area, can inflate each view/area (with black border, transparent center), make clickable , set listener, , set it's origin adjusting it's margins. may want perform of after image has finished laying out:

i put in onactivitycreated of fragment, other lifecycle methods work too...

viewtreeobserver vto = image.getviewtreeobserver();     vto.addongloballayoutlistener(new ongloballayoutlistener() {          @override         public void ongloballayout() {             if (image.getmeasuredheight() > 0) {                 addhotspots();                 viewtreeobserver obs = image.getviewtreeobserver();                 obs.removeglobalonlayoutlistener(this);             }         }      });

and how place hotspots/areas:

protected void addhotspots() {     hotspot[] hotspots = res.hotspots;     (hotspot hs : hotspots) {         addhotspottoimage(hs);  }  private void addhotspottoimage(hotspot hs) {      int height = image.getmeasuredheight();     int width = image.getmeasuredwidth();     //this piece different     //depending on know area's intended size/position     double hsheightratio = hs.lr.y - hs.ul.y;     double hswidthratio = hs.lr.x - hs.ul.x;     double leftmargin = hs.ul.x * width;     double topmargin = hs.ul.y * height;     double hsheight = height * hsheightratio;     double hswidth = width * hswidthratio;     layoutinflater vi = (layoutinflater) image.getcontext().getsystemservice(context.layout_inflater_service);     view newspot = vi.inflate(r.layout.question_hotspot, null);      relativelayout.layoutparams params = new relativelayout.layoutparams((int) hswidth, (int) hsheight);     newspot.settag(hs.key);     newspot.setfocusable(true);     newspot.setclickable(true);     newspot.setfocusableintouchmode(true);     newspot.setontouchlistener(this);      params.topmargin = (int) topmargin;     params.leftmargin = (int) leftmargin;     image.addview(newspot, params);  }

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