How to use

androidx.palette.graphics.Palette$Builder

constructor

FeedColors(@Nullable @ColorInt Integer color) {
  final Palette.Swatch swatch;
  if(color != null) {
    swatch = new Palette.Swatch(color, 1);
  } else {
    swatch = null;
  }
  if(swatch != null)
    palette = new Palette.Builder(Collections.singletonList(swatch)).addTarget(Target.MUTED).generate();
  else
    palette = null;
}

private void generatePalette(Bitmap bitmap, Palette.Filter filter, Palette.PaletteAsyncListener paletteAsyncListener) {
  new Palette.Builder(bitmap)
      .addFilter(filter)
      .generate(paletteAsyncListener);
}

 @Override public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
  SlideFragment.this.bitmap = bitmap;
  applyImage();
  paletteTask = new Palette.Builder(bitmap)
    .maximumColorCount(32)
    .generate(SlideFragment.this);
 }
});