WelcomeActivity.java

package com.youai.aistore;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

public class WelcomeActivity extends Activity {
	private Handler hand;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.welcome);
		hand = new Handler() {
			@Override
			public void handleMessage(Message msg) {
				super.handleMessage(msg);
				if (msg.what == 1) {
					Intent intent = new Intent(WelcomeActivity.this,
							ExampleActivity.class);
					intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
					startActivity(intent);
					finish();
				}
			}
		};
		new Thread() {
			public void run() {
				try {
					sleep(2000);
					Message msg = hand.obtainMessage();
					msg.what = 1;
					hand.sendMessage(msg);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			};
		}.start();

	}
}