关于接口(相对简单的事故案例篇)-优快云博客

本文介绍了一款基于Android的应用程序，该程序使用了XUtils和ListView组件来展示事故典型案例列表，并通过WebView组件来详细展示选定案例的具体内容。文章深入探讨了如何从服务器获取数据并将其适配到列表中，同时提供了案例详情页面的设计与实现。

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Activity

package com.avicsafety.dangerous_chemicals;

import java.util.ArrayList;
import java.util.List;

import org.xutils.http.RequestParams;
import org.xutils.view.annotation.ContentView;
import org.xutils.view.annotation.ViewInject;

import android.content.Intent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.Toast;

import com.avicsafety.conf.Constants;
import com.avicsafety.interfaces.OnSearchResultListener;
import com.avicsafety.lib.Adapter.CommonAdapter;
import com.avicsafety.lib.Adapter.ViewHolder;
import com.avicsafety.model.M_AccidentTypical;
import com.avicsafety.model.M_LoginInfo;
import com.avicsafety.service.Info_AccidentCaseManager;
import com.avicsafety.service.Info_AccidentManager;
import com.avicsafety.service.LoginManager;

@ContentView(R.layout.activity_accident_typical)
public class AccidentTypicalActivity extends BaseActivity {

   private List<M_AccidentTypical> mData = new ArrayList<M_AccidentTypical>();
   // private M_Notice mn, mn1;
   private CommonAdapter<M_AccidentTypical> mAdapter;
   private Info_AccidentManager accidentmanager;
   private String userName;// 用户名
   private String passWord;// 用户密码
   private OnSearchResultListener searchResultListener;// 访问服务器的监听事件

   @ViewInject(R.id.list_view)
   private ListView list_view;

   @Override
   protected void InitializeComponent() {
       // TODO Auto-generated method stub
       super.InitializeComponent();
   }

   @Override
   protected void InitializeData() {
       // TODO Auto-generated method stub
       super.InitializeData();
       /*
       * mn = new M_Notice(); mn.setTitle("通知");
       * mn.setCreated_at("2016/12/21"); mData.add(mn); mn1 = new M_Notice();
       * mn1.setTitle("安全通知"); mn1.setCreated_at("2016/12/20");
       * mData.add(mn1);
       */

       accidentmanager = new Info_AccidentManager();
       // 获取登录人信息
       M_LoginInfo loginInfo = LoginManager.getLoginInfo();
       userName = loginInfo.getUserName();
       passWord = loginInfo.getPassword();

       searchResultListener = new OnSearchResultListener() {
           // 请求网络数据成功
           @Override
           public void onSuccess(List list) {
               // 刷新页面
               progressDialog.dismiss();
               // 刷新数据
               refrechPage(list);
           }

           // 请求网络数据失败
           @Override
           public void onFail(String promat) {
               // 提示访问失败
               progressDialog.dismiss();
               Toast.makeText(oThis, promat, Toast.LENGTH_SHORT).show();
           }
       };
       accidentmanager.setOnSearchResultListener(searchResultListener);
       list_view.setAdapter(mAdapter = new CommonAdapter<M_AccidentTypical>(
               getApplicationContext(), mData, R.layout.item_accident_typical) {

@Override
public void convert(ViewHolder helper, M_AccidentTypical item) {

               helper.setText(R.id.tv_title, item.getSgmc());
               helper.setText(R.id.tv_time, item.getFssj());
           }
       });

       // 显示下载数据的时候的进度条的内容
       progressDialog.setMessage(getString(R.string.down_accident_list));
       progressDialog.show();
       // 设置请求网络的参数
       RequestParams rp = getParams(userName, passWord, "");
       // 发送请求获取服务器数据
       accidentmanager.getAccidentTypicalJSONArray(rp);

}

   // 更新listview页面
   private void refrechPage(List<M_AccidentTypical> listData) {
       // 更新list
       mData = listData;
       mAdapter.setmDatas(mData);
       mAdapter.notifyDataSetChanged();

}

   @Override
   protected void InitializeEvent() {
       // TODO Auto-generated method stub
       super.InitializeEvent();

list_view.setOnItemClickListener(new OnItemClickListener() {

           @Override
           public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                   long arg3) {
               Intent intent = new Intent(AccidentTypicalActivity.this,
                       AccidentTypical2Activity.class);
               intent.putExtra("model", mData.get(arg2));
               startActivity(intent);
           }
       });
   }

   private RequestParams getParams(String username, String password,
           String modelClass) {
       // 设置接口
       RequestParams rp = new RequestParams(Constants.Typical);
       // rp.setHeader("text/html;","charset=utf-8" );
       // 设置访问时间
       rp.setConnectTimeout(60000);
       rp.addQueryStringParameter("userName", username);
       rp.addQueryStringParameter("password", password);
       rp.addQueryStringParameter("classname", "Whp_sgal");
       return rp;

}
}

package com.avicsafety.dangerous_chemicals;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.xutils.x;
import org.xutils.common.Callback;
import org.xutils.common.Callback.CancelledException;
import org.xutils.http.RequestParams;
import org.xutils.view.annotation.ContentView;
import org.xutils.view.annotation.ViewInject;

import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;

import com.avicsafety.conf.Configuration;
import com.avicsafety.conf.Constants;
import com.avicsafety.interfaces.OnSearchResultListener;
import com.avicsafety.lib.tools.tools;
import com.avicsafety.model.M_AccidentTypical;
import com.avicsafety.model.M_LoginInfo;
import com.avicsafety.model.P_Whp_Flfg;
import com.avicsafety.service.Info_AccidentManager;
import com.avicsafety.service.Info_LawManager;
import com.avicsafety.service.LoginManager;

@ContentView(R.layout.activity_accident_typical2)
public class AccidentTypical2Activity extends BaseActivity {

private M_AccidentTypical model;

@ViewInject(R.id.webview)
private WebView webView;

   @Override
   protected void InitializeComponent() {
       // TODO Auto-generated method stub
       super.InitializeComponent();

       webView.setWebViewClient(new WebViewClient());
       webView.setWebChromeClient(new WebChromeClient());
       webView.getSettings().setJavaScriptEnabled(true);
       webView.getSettings().setDefaultTextEncodingName("UTF-8");
   }

   @Override
   protected void InitializeData() {

       Intent intent = getIntent();
       model = (M_AccidentTypical)intent.getSerializableExtra("model");
       if(null == model){
           model = new M_AccidentTypical();
       }
       // 获取assets文件夹中的html文件
       String html = tools.getAssetsHtml(oThis, "html/accident.html");
       String sgmc = "";
       if(null != model.getSgmc()&&!"null".equals(model.getSgmc())){
           sgmc = model.getSgmc();
       }
       String fssj = "";
       if(null != model.getFssj()&&!"null".equals(model.getFssj())){
           fssj = model.getFssj();
       }
       String sgfl = "";
       if(null != model.getSgfl()&&!"null".equals(model.getSgfl())){
           sgfl = model.getSgfl();
       }
       String content = "";
       if(null != model.getContent()&&!"null".equals(model.getContent())){
           content = model.getContent();
       }

       html = html.replace("{{sgmc}}", sgmc)
               .replace("{{fssj}}", fssj)
       .replace("{{sgfl}}", sgfl)
       .replace("{{content}}", content);
       webView.loadData(html, "text/html; charset=UTF-8", null);

}
}

xml

<?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:orientation="vertical" >

<include layout="@layout/toolbar" >
</include>

<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/list_view"></ListView>
</LinearLayout>

</LinearLayout>

model

package com.avicsafety.model;

import java.io.Serializable;

public class M_AccidentTypical implements Serializable{

private String id;
private String sgmc;//事故名称
private String content;//内容
private String gjz;//关键字
private String fssj;//发生时间
private String gnw;//国内外
private String sgfl;//事故分类
private String sgallx;//固定值
private String provinceID;//省
private String cityID;//市
public String getId() {
   return id;
}
public void setId(String id) {
   this.id = id;
}
public String getSgmc() {
   return sgmc;
}
public void setSgmc(String sgmc) {
   this.sgmc = sgmc;
}
public String getContent() {
   return content;
}
public void setContent(String content) {
   this.content = content;
}
public String getGjz() {
   return gjz;
}
public void setGjz(String gjz) {
   this.gjz = gjz;
}
public String getFssj() {
   return fssj;
}
public void setFssj(String fssj) {
   this.fssj = fssj;
}
public String getGnw() {
   return gnw;
}
public void setGnw(String gnw) {
   this.gnw = gnw;
}
public String getSgfl() {
   return sgfl;
}
public void setSgfl(String sgfl) {
   this.sgfl = sgfl;
}
public String getSgallx() {
   return sgallx;
}
public void setSgallx(String sgallx) {
   this.sgallx = sgallx;
}
public String getProvinceID() {
   return provinceID;
}
public void setProvinceID(String provinceID) {
   this.provinceID = provinceID;
}
public String getCityID() {
   return cityID;
}
public void setCityID(String cityID) {
   this.cityID = cityID;
}

}

package com.avicsafety.model;

public class P_Whp_Sgal {

   private String id;
   private String title;
   private String cid;
   private String content;
   public String getId() {
       return id;
   }
   public void setId(String id) {
       this.id = id;
   }
   public String getTitle() {
       return title;
   }
   public void setTitle(String title) {
       this.title = title;
   }
   public String getCid() {
       return cid;
   }
   public void setCid(String cid) {
       this.cid = cid;
   }
   public String getContent() {
       return content;
   }
   public void setContent(String content) {
       this.content = content;
   }


}

List组件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RelativeLayout1"
android:layout_width="match_parent"
android:layout_height="65dp"
android:background="@color/white"
android:orientation="vertical" >

<ImageView
android:id="@+id/imageView1"
android:layout_width="45dp"
android:layout_height="45dp"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:src="@drawable/ic_function_10" />