（第二阶段）冲刺三

李浩：完成用户主页面的布局以及交互事件。

效果图：

　　

 第二阶段任务基本已经完成，我会继续测试程序，完善UI以及其他功能。

戴伟伟：

今日完成夜间模式的开发

代码：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginLeft="10dp"
    android:layout_marginRight="10dp">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/day_night_label"
        android:textSize="20sp"
        android:textColor="@color/colorDayNightChange" />

    <Button
        android:id="@+id/day_night_change"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:layout_marginLeft="5dp"
        android:text="日夜间模式切换"
        android:textSize="20sp"
        android:textColor="@color/colorDayNightChange"/>
</LinearLayout>

package com.example.nighttheme;

import android.content.res.Configuration;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AppCompatDelegate;

public class MainActivity extends AppCompatActivity {
    private Button mDayNightChange;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mDayNightChange = (Button) findViewById(R.id.day_night_change);

        mDayNightChange.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int mode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
                if (mode == Configuration.UI_MODE_NIGHT_YES) {
                    getDelegate().setLocalNightMode(AppCompatDelegate.MODE_NIGHT_NO);
                } else if (mode == Configuration.UI_MODE_NIGHT_NO) {
                    getDelegate().setLocalNightMode(AppCompatDelegate.MODE_NIGHT_YES);
                }

                recreate();
            }
        });
    }
}

package com.example.nighttheme;

import android.app.Application;

import androidx.appcompat.app.AppCompatDelegate;

public class MyApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();

        /**
         * 默认设置一直使用夜间模式
         *
         * 这里AppCompatDelegate.setDefaultNightMode()方法可以接受的参数值有4个：
         * MODE_NIGHT_NO. Always use the day (light) theme(一直应用日间(light)主题).
         * MODE_NIGHT_YES. Always use the night (dark) theme(一直使用夜间(dark)主题).
         * MODE_NIGHT_AUTO. Changes between day/night based on the time of day(根据当前时间在day/night主题间切换).
         * MODE_NIGHT_FOLLOW_SYSTEM(默认选项). This setting follows the system's setting, which is essentially MODE_NIGHT_NO(跟随系统，通常为MODE_NIGHT_NO).
         */
        AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
    }
}

 代码需整合到app中，暂未整合

明日工作：尝试爬取大牛们文章

徐利峰：

今日完成将动态的本地图片上传至服务器端的文件夹下。

明天将个人动态的数据完整存储到服务器端，并在相应的界面进行展示。

服务端代码：

package Servlet;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 * Servlet implementation class downloadimg
 */
@WebServlet("/downloadimg")
public class downloadimg extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public downloadimg() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        String temppath="C:/Program Files/apache-tomcat-9.0.31-windows-x64/apache-tomcat-9.0.31/tempfile";
        //String path="http://39.97.181.86/BaiXiaoSheng/userimg";
        String path ="C:/Program Files/apache-tomcat-9.0.31-windows-x64/apache-tomcat-9.0.31/webapps/STDEverything/images/dongtai";
        String username=request.getParameter("username");
        
        DiskFileItemFactory disk = new DiskFileItemFactory(1024*10,new File(temppath));
        ServletFileUpload up = new ServletFileUpload(disk);
        List<FileItem> list;
        try {
            list=up.parseRequest(request);
            for(FileItem item:list) {
                if(!item.isFormField()) {
                    InputStream inputStream=item.getInputStream();
                    String filename=item.getName();
                    String imgname=String.valueOf(new Random().nextInt(1000))+"_"+username+"_"+String.valueOf(new Random().nextInt(1000))+filename;
                    OutputStream outputStream=new FileOutputStream(path+"/"+imgname);
                    System.out.println(imgname);
                    int len=0;
                    byte buff[]=new byte[1024];
                    while((len=inputStream.read(buff))!=-1) {
                        outputStream.write(buff,0,len);
                    }
                    outputStream.flush();
                    outputStream.close();
                    inputStream.close();
                    //update用户的imgurl
                    /*DBUtil.writeBlogImg(request.getRequestURL().substring(0,request.getRequestURL().lastIndexOf("/"))
                            +"/imagesog/"+imgname, blogid);*/
                    item.delete();
                }else {
                    System.out.println(item.getFieldName());
                    item.delete();
                }
            }
        } catch (FileUploadException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            response.getWriter().write("no");
        }
        response.getWriter().write("yes");
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}

Android端代码：

package com.lh.std_everything.ui.home.hometype.dongtai;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.navigation.Navigation;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.app.Activity;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.Toast;

import com.giftedcat.easylib.selector.MultiImageSelector;
import com.lh.std_everything.HttpUtil.HttpUtil;
import com.lh.std_everything.MainActivity;
import com.lh.std_everything.R;
import com.lh.std_everything.ui.home.hometype.blog.WriteViewModel;
import com.lh.std_everything.ui.home.hometype.news.shownews.ShowNewsActivity;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.Unbinder;

public class DongTaiActivity extends AppCompatActivity implements View.OnClickListener{
    private static final int REQUEST_IMAGE = 2;
    private int maxNum = 9;
    private Button submit;
    private EditText text;
    Unbinder unbinder;
    ProgressBar progressBar;
    @BindView(R.id.rv_images)
    RecyclerView rvImages;
    private Handler handle;
    NineGridAdapter adapter;
    private int uploadnum=0;
    private int size;
    private String urlimg;
    private List<String> select;
    List<String> mSelect;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dong_tai);
        unbinder = ButterKnife.bind(this);
        submit=findViewById(R.id.submit);
        text=findViewById(R.id.text);
        progressBar=findViewById(R.id.progressBar);
        mSelect = new ArrayList<>();
        submit.setOnClickListener(this);
        initView();
    }
    private void initView() {
        rvImages.setLayoutManager(new GridLayoutManager(this, 3));
        adapter = new NineGridAdapter(DongTaiActivity.this, mSelect, rvImages);
        adapter.setMaxSize(maxNum);
        rvImages.setAdapter(adapter);
        adapter.setOnAddPicturesListener(new OnAddPicturesListener() {
            @Override
            public void onAdd() {
                pickImage();
            }
        });
    }

    /*上传发动态的信息和照片到服务器
     */
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.submit:
                String daongtaitext=text.getText().toString();
                if(daongtaitext.isEmpty()){
                    Toast.makeText(DongTaiActivity.this, "动态内容不能为空", Toast.LENGTH_SHORT).show();
                    return;
                }
                String username= MainActivity.getUsername();
                handle = new Handler(new Handler.Callback() {
                    @Override
                    public boolean handleMessage(@NonNull Message msg) {
                        switch (msg.what) {
                            case 100:
                                if (uploadnum < size) {
                                    writeDongTaiImg(select.get(uploadnum));
                                } else {
                                    Toast.makeText(DongTaiActivity.this, "上传成功", Toast.LENGTH_SHORT).show();
                                    progressBar.setVisibility(View.GONE);
                                }
                                break;
                            case 404:
                                Toast.makeText(DongTaiActivity.this, "上传失败,您可以点击上传按钮重新上传", Toast.LENGTH_SHORT).show();
                                progressBar.setVisibility(View.GONE);
                                break;
                            default:
                                break;
                        }
                        return true;
                    }
                });
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        DongTaiActivity.this.runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                progressBar.setVisibility(View.VISIBLE);
                                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                                    progressBar.setTooltipText("正在上传...");
                                }
                            }
                        });
                        /*将动态写到服务器*/
//                        final String url ="";
//                        HttpUtil.sendPost(url,"");
                        /*将图片一张一张上传到服务器*/
                        urlimg = "http://116.62.178.231:8080/BaiXiaoSheng/downloadimg?username="+MainActivity.getUsername();
                        handle.sendEmptyMessage(100);
                    }
                }).start();
        }
    }
    /*上传图片*/
    private void writeDongTaiImg(final String img) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Log.i("图片地址：", img);
                Map<String, File> fileMap = new HashMap<String, File>();
                fileMap.put("file", new File(img));
                String msg = null;
                try {
                    msg = HttpUtil.sendPostImg(urlimg, fileMap);
                } catch (IOException e) {
                    e.printStackTrace();
                }
                uploadnum++;
                final String finalMsg = msg;
                DongTaiActivity.this.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        if (finalMsg.equals("yes")) {
                            Log.d("tag", finalMsg);
                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                                progressBar.setTooltipText("图片进度:" + uploadnum + "/" + size);
                            }
                            handle.sendEmptyMessage(100);
                        } else {
                            uploadnum = 0;
                            handle.sendEmptyMessage(404);
                        }
                    }
                });
            }
        }).start();
    }


    /**
     * 选择添加图片
     */
    private void pickImage() {
        MultiImageSelector selector = MultiImageSelector.create(this);
        selector.showCamera(true);
        selector.count(maxNum);
        selector.multi();
        selector.origin(mSelect);
        selector.start(this, REQUEST_IMAGE);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == REQUEST_IMAGE) {
            if (resultCode == RESULT_OK) {
                select = data.getStringArrayListExtra(MultiImageSelector.EXTRA_RESULT);
                size=select.size();
                mSelect.clear();
                mSelect.addAll(select);
                adapter.notifyDataSetChanged();
            }
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        unbinder.unbind();
    }

}