讓welcome頁面漸現的效果
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final View view = View.inflate(this, R.layout.welcome, null); setContentView(view); //漸變展示啓動屏 AlphaAnimation aa = new AlphaAnimation(0.3f,1.0f); aa.setDuration(2000); view.startAnimation(aa); aa.setAnimationListener(new AnimationListener(){ @Override public void onAnimationEnd(Animation arg0) { } @Override public void onAnimationRepeat(Animation animation) {} @Override public void onAnimationStart(Animation animation) {} }); }