android启动时应用程序渐变效果

这是在学习ImageView用到的.

import 略....

ImageView iv=(ImageView)this.findViewById(R.id./*你的资源背景图片*/);

AlphaAnimation aa=new AlphaAnimation(0.1f,1.0f);

aa.setDuration(10000);

iv.startAnimation(aa);

aa.setAnimationListener(new AnimationListener()

{

@Override

public void onAnimationEnd(Animation arg0) {

// TODO Auto-generated method stub

Intent it=new Intent(Logo.this,MyLockScreen.class);

startActivity(it);

finish();

}

@Override

public void onAnimationRepeat(Animation animation) {

// TODO Auto-generated method stub

}

@Override

public void onAnimationStart(Animation animation) {

// TODO Auto-generated method stub

}