Android实现广告欢迎界面(倒计时)

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

 
 

/**
 * 
 * 1.声明界面
 * 2.定义变量
 * 3.调用类Animation
 * 4.写方法让它动起来
 * @author Rain
 *
 */
public class WelcomeActivity extends Activity{
  // 声明控件对象
 private TextView textView;
 //声明时间有多少;
 private int count = 5;
 private Animation animation;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  // 下面的话就是去除标题的方法
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  setContentView(R.layout.activity_welcome);
  // 初始化控件对象textView
  textView = (TextView) findViewById(R.id.textView);
  animation = AnimationUtils.loadAnimation(this, R.anim.animation_text);
  handler.sendEmptyMessageDelayed(0, 1000);
 }
 //咱在写一个计算Welcome界面的广告时间结束后进入主界面的方法
 private int getCount() {
  count--;
  if (count == 0) {
   Intent intent = new Intent(this, MainActivity.class);
   startActivity(intent);
   finish();
  }
  return count;
 }
 //进行一个消息的处理
 @SuppressLint("HandlerLeak")
 private Handler handler = new Handler() {
  public void handleMessage(android.os.Message msg) {
   if (msg.what == 0) {
    textView.setText(getCount()+"");
    handler.sendEmptyMessageDelayed(0, 1000);
    animation.reset();
    textView.startAnimation(animation);
   }
  };
 };
}