gistfile1.txt

import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.util.TypedValue;

import androidx.core.content.ContextCompat;

public class IconUtils {

    public static BitmapDrawable adaptiveToBitmap(Context context, Drawable drawable, int sizeDp) {
        int sizePx = (int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_DIP,
                sizeDp,
                context.getResources().getDisplayMetrics()
        );

        Bitmap bitmap = Bitmap.createBitmap(sizePx, sizePx, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, sizePx, sizePx);
        drawable.draw(canvas);

        return new BitmapDrawable(context.getResources(), bitmap);
    }
}