java - Polygon on Map doesn't show semi transparent color -

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i working on google map application in plotting polygon on map not displaying polygon semi transparent color fill color. following code 

int strokecolor = 0xffff0000; int fillcolor = 0x44ff0000; polygon polygon = map.addpolygon(new polygonoptions()                   .add(new latlng(fences.get(northwestpoint).lat,                   fences.get(northwestpoint).lng),                   new latlng(fences.get(northeastpoint).lat,                   fences.get(northeastpoint).lng),                   new latlng(fences.get(southeastpoint).lat,                   fences.get(southeastpoint).lng),                   new latlng(fences.get(southwestpoint).lat,                   fences.get(southwestpoint).lng),                   new latlng(fences.get(northwestpoint).lat,                   fences.get(northwestpoint).lng))                   .strokecolor(strokecolor)                   .strokewidth(2)                   .fillcolor(fillcolor));

this output when renders map: enter image description here

the code seems correct, maybe problem on calling order? in code do:

public polygonoptions buildpolygonoptions() {         return new polygonoptions().fillcolor(fillcolor).strokecolor(strokecolor).strokewidth(strokewidth).zindex(zindex);     }

i don't know if real motivation (i should have no sense) worths try. in addition, in order tests use 2 different colors fill , stroke, can better see 1 , other.


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