/** * Shows material view with fade in animation * * @param activity */ private void show(Activity activity) { if (preferencesManager.isDisplayed(materialIntroViewId)) return; ((ViewGroup) activity.getWindow().getDecorView()).addView(this); setReady(true); handler.postDelayed( new Runnable() { @Override public void run() { if (isFadeAnimationEnabled) AnimationFactory.animateFadeIn( MaterialIntroView.this, fadeAnimationDuration, new AnimationListener.OnAnimationStartListener() { @Override public void onAnimationStart() { setVisibility(VISIBLE); } }); else setVisibility(VISIBLE); } }, delayMillis); }