Android应用的启动界面

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/**

 * @(#)Start.java

 *

 * Copyright XXX.All rights reserved.

 * This software is the XXX system.

 *

 * @Version: XXX

 * @JDK: jdk 1.6.0.XXX

 * @Module: Statefeedback

 */

 /*-        History

 **********************************************

 *  ID      DATE           PERSON       REASON

 *  1     2011-10-25    WuChaoWen    Created

 **********************************************

 */

 

package com.cnjmwl.scm;

 

 

 

 

 

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.os.Handler;

import android.view.animation.AlphaAnimation;

import android.widget.ImageView;

 

/**

 * Class description goes here.

 *

 * @author WuChaoWen

 * @since 2011-10-25

 */

public class Start extends Activity {

    private ImageView splashImgView = null;

    private int onShowTime = 2000;

    private Class<?> nextUI = LoginActivity.class;

     

    @Override

    protected void onCreate(Bundle savedInstanceState) {

         

        super.onCreate(savedInstanceState);

        setContentView(R.layout.splash);

        splashImgView =(ImageView)findViewById(R.id.splashImageView);

    }

     

     

    @Override

    protected void onStart() {

        super.onStart();

        int sIndex = 0;

        showImg(0.2f,R.drawable.logo,300);

        //showImg(0.5f,R.drawable.lurencun_logo_320dpi,onShowTime * ++sIndex);

        showImg(0.2f,R.drawable.splash,onShowTime * ++sIndex);

        new Handler().postDelayed(new Runnable(){

            @Override

            public void run() {

                startActivity(new Intent(Start.this,nextUI));

                Start.this.finish();

            }

        }, onShowTime * ++sIndex);

         

    }

     

     

    private void showImg(final float startAlpha,final int drawableId,int delay){

        new Handler().postDelayed(new Runnable(){

            @Override

            public void run() {

                splashImgView.setImageResource(drawableId);

                AlphaAnimation animation = new AlphaAnimation(startAlpha, 1.0f);

                animation.setDuration(1000);

                splashImgView.startAnimation(animation);

            }

        },delay);

    }

}