android启动界面

/**

 * 应用程序启动类：显示欢迎界面并跳转到主界面

 * <a href="http://my.oschina.net/arthor" target="_blank" rel="nofollow">@author</a>  liux (http://my.oschina.net/liux)

 * @version 1.0

 * @created 2012-3-21

 */

public class AppStart extends Activity {

     

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        final View view = View.inflate(this, R.layout.start, null);

        setContentView(view);

         

        //渐变展示启动屏

        AlphaAnimation aa = new AlphaAnimation(0.3f,1.0f);

        aa.setDuration(2000);

        view.startAnimation(aa);

        aa.setAnimationListener(new AnimationListener()

        {

            @Override

            public void onAnimationEnd(Animation arg0) {

                redirectTo();

            }

            @Override

            public void onAnimationRepeat(Animation animation) {}

            @Override

            public void onAnimationStart(Animation animation) {}

             

        });

         

        //兼容低版本cookie（1.5版本以下，包括1.5.0,1.5.1）

        AppContext appContext = (AppContext)getApplication();

        String cookie = appContext.getProperty("cookie");

        if(StringUtils.isEmpty(cookie)) {

            String cookie_name = appContext.getProperty("cookie_name");

            String cookie_value = appContext.getProperty("cookie_value");

            if(!StringUtils.isEmpty(cookie_name) && !StringUtils.isEmpty(cookie_value)) {

                cookie = cookie_name + "=" + cookie_value;

                appContext.setProperty("cookie", cookie);

                appContext.removeProperty("cookie_domain","cookie_name","cookie_value","cookie_version","cookie_path");

            }

        }

    }

     

    /**

     * 跳转到...

     */

    private void redirectTo(){       

        Intent intent = new Intent(this, Main.class);

        startActivity(intent);

        finish();

    }