Toasty.Config.getInstance()
    .tintIcon(boolean tintIcon) // optional (apply textColor also to the icon)
    .setToastTypeface(@NonNull Typeface typeface) // optional
    .setTextSize(int sizeInSp) // optional
    .allowQueue(boolean allowQueue) // optional (prevents several Toastys from queuing)
    .setGravity(int gravity, int xOffset, int yOffset) // optional (set toast gravity, offsets are optional)
    .supportDarkTheme(boolean supportDarkTheme) // optional (whether to support dark theme or not)
    .setRTL(boolean isRTL) // optional (icon is on the right)
    .apply(); // required

Toasty.Config.reset();

Toasty.error(yourContext, "This is an error toast.", Toast.LENGTH_SHORT, true).show();

Toasty.success(yourContext, "Success!", Toast.LENGTH_SHORT, true).show();

Toasty.info(yourContext, "Here is some info for you.", Toast.LENGTH_SHORT, true).show();

Toasty.warning(yourContext, "Beware of the dog.", Toast.LENGTH_SHORT, true).show();

Toasty.normal(yourContext, "Normal toast w/o icon").show();

Toasty.normal(yourContext, "Normal toast w/ icon", yourIconDrawable).show();

Toasty.custom(yourContext, "I'm a custom Toast", yourIconDrawable, tintColor, duration, withIcon, 
shouldTint).show();