Android应用--首次使用的欢迎界面，之后不再显示

来源：互联网发布：开网络棋牌编辑：程序博客网时间：2024/06/05 14:25

应用描述：
设计应用程序的欢迎界面，并且在登录一次后，以后将不再显示欢迎界面
实现：
ViewPager：
代码：
DownLoadUtils：

package com.qf.demo04;/** * Created by Administrator on 2016/2/18. * 用于下载数据 */import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import android.os.Handler;public class DownLoadUtils {    private static final Handler handler = new Handler();    public static void getResult(final String path,final MyCallback callback){        new Thread(                new Runnable() {                    @Override                    public void run() {                        try {                            URL url = new URL(path);                            HttpURLConnection connection = (HttpURLConnection) url.openConnection();                            connection.setRequestMethod("GET");                            if (200 == connection.getResponseCode()) {                                InputStream inputStream = connection.getInputStream();                                ByteArrayOutputStream baos = new ByteArrayOutputStream();                                int len = 0;                                byte [] buffer = new byte[1024];                                while(true){                                    len = inputStream.read(buffer);                                    if (len == (-1)) {                                        break;                                    }else {                                        baos.write(buffer, 0, len);                                    }                                }                                final byte[] bytes = baos.toByteArray();                                handler.post(new Runnable() {                                    @Override                                    public void run() {                                        callback.fetData(bytes);                                    }                                });                            }                        } catch (MalformedURLException e) {                            e.printStackTrace();                        } catch (IOException e) {                            e.printStackTrace();                        }                    }                }).start();    }    public interface MyCallback{        public void fetData(byte[] bytes);    }}

Story：

package com.qf.demo04;/** * Created by Administrator on 2016/2/18. */import java.io.Serializable;public class Story implements Serializable{    private String image;    private String title;    public Story(String image, String title) {        super();        this.image = image;        this.title = title;    }    public String getImages() {        return image;    }    public void setImages(String images) {        this.image = images;    }    public String getTitle() {        return title;    }    public void setTitle(String title) {        this.title = title;    }    @Override    public String toString() {        return "Story [image=" + image + ", title=" + title + "]";    }}

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