imageicon - Android App iCon configuration issue - black & white -

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i'm trying setup icon android app when click icon setup , select launcher icons, selected image, ic_launcher.png showing black & white. missing setting here?

icon launcher - image asset

posting solution or issue causing problem. using android studio preview , issue. preview not ready production app, it's beta version. reverted stable version of app , it's working icons. attached sample image android studio 2.1.2enter image description here


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