Example of using defines in the fuse project

my app.unoproj

"Android": {
    "Defines": [
        "USE_ADAPTIVE_ICON"
    ],
    "Icons": {
        /* ... */
    }
}

// or when using the round version...
"Android": {
    "Defines": [
        "USE_ROUND_ADAPTIVE_ICON"
    ],
    "Icons": {
        /* ... */
    }
}