android中小说信息抓取展示

1、引言

        这两天打算把以前弄的一个小说阅读软件的爬虫规则更新一下，然后略微修改后准备上线使用，目前只改了一下搜索界面的规则，勉强能用，加载数据方面还需要优化一下，把这一部分发出来给大家看看，感兴趣的可以直接复制去使用。

2、主要代码

2.1、主界面布局

2.2、ListView布局

2.3、activity界面代码

package xyz.dritrtj.read.ui;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.drawable.GradientDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import xyz.dritrtj.read.R;
import xyz.dritrtj.read.data.Title;
import xyz.dritrtj.read.interfaces.Init;
import xyz.dritrtj.read.utils.SetUiSize;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * java中重复使用的变量使用后一定要赋值为空，否则数据可能会出错
 */
public class SearchActivity extends AppCompatActivity implements View.OnClickListener, Init {
    private LinearLayout ll_search;
    private LinearLayout ll_exit;
    private ImageView iv_exit;
    private ImageView iv_circle;
    private EditText et_content;
    private TextView tv_search;
    private ListView lv_search;
    private LinearLayout ll_search_top;
    private WebView wv_search;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_search);
        initView();
        setViewSize();
        setData();
    }
    @SuppressLint("NonConstantResourceId")
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.tv_search:
                handler.sendEmptyMessage(3);//通知搜索
                break;
            case R.id.ll_exit:
                handler.removeMessages(0);
                finish();
                break;
        }
    }
    @SuppressLint("HandlerLeak")
    private Handler handler=new Handler(){
        @Override
        public void handleMessage(@NonNull Message msg) {
            super.handleMessage(msg);
            switch (msg.what){
                case 0:
                    if (list.size()>0){
                        lv_search.setAdapter(adapter);
                    }
                    break;
                case 1://通知更新数据，不要用线程更新
                    adapter.notifyDataSetChanged();
                    break;
                case 2://页面加载完成通知可以开始搜索
                {
                    String name=et_content.getText().toString();
                    et_content.setText("");
                    if (!name.equals("")){
                        jsFunction="javascript:function search(data) {\n" +
                                "                var search=document.getElementById('bdcsMain');\n" +
                                "                search.value=''+data;\n" +
                                "                var cls=document.getElementsByClassName('searchBtn');\n" +
                                "                if (cls.length>0){\n" +
                                "                    var now_search=cls[0];\n" +
                                "                    now_search.click();\n" +
                                "                }\n" +
                                "            }";
                        wv_search.loadUrl(jsFunction);
                        //调用 js函数
                        wv_search.loadUrl("javascript:search("+"'"+name+"'"+");");
                    }
                }
                    break;
                case 3://重新刷新页面，准备搜索
                {
                    flag=0;
                    isStart=false;
                    isSearch=true;
                    wv_search.clearCache(true);//清除缓存
                    wv_search.loadUrl("http://www.ibiquzw.info/");//重新加载页面，因为后面会替换掉url
                }
                    break;
                case 4://返回搜索数据
                {
                    jsFunction="javascript:function getTitle() {\n" +
                            "                var uls=document.getElementsByTagName('ul');\n" +
                            "                if(uls.length>0){\n" +
                            "                    ul=uls[1];\n" +
                            "                    var lis=ul.getElementsByTagName('li');\n" +
                            "                    if(lis.length>0){\n" +
                            "                        var now_li;\n" +
                            "                        var as;\n" +
                            "                        var a;\n" +
                            "                        var url;\n" +
                            "                        var name;\n" +
                            "                        var author;\n" +
                            "                        for (var i = 1; i < lis.length && i<21; i++) {\n" +
                            "                            now_li=lis[i];\n" +
                            "                            as=now_li.getElementsByTagName('a');\n" +
                            "                            if(as.length>0){\n" +
                            "                                a=as[0];\n" +
                            "                                url=a.href;\n" +
                            "                                name=a.innerHTML;\n" +
                            "                                a=as[1];\n" +
                            "                                author=a.innerHTML;\n" +
                            "                                window.Android.setTitle(url,name,author);\n" +
                            "                            }\n" +
                            "                        }\n" +
                            "                        window.Android.notice();\n" +
                            "                    }\n" +
                            "                }\n" +
                            "            }";
                    wv_search.loadUrl(jsFunction);
                    //调用 js函数
                    wv_search.loadUrl("javascript:getTitle();");
                }
                    break;
                case 5: //加载简介和封面url页面
                {
                    flag=1;
                    if (list.size()>now_position){
                        wv_search.loadUrl(list.get(now_position).path);
                    }
                }
                    break;
                case 6: //加载简介和封面url
                {
                    if (list.size()>now_position){
                        jsFunction="javascript:function getContent() {\n" +
                                "                var div=document.getElementById('intro');\n" +
                                "                var introduce=div.innerText;\n" +
                                "                window.Android.setContent(introduce);\n" +
                                "                var img_div=document.getElementById('fmimg');\n" +
                                "                var imgs=img_div.getElementsByTagName('img');\n" +
                                "                if (imgs.length>0){\n" +
                                "                    var img=imgs[0];\n" +
                                "                    var url=img.src;\n" +
                                "                    window.Android.getImg(url);\n" +
                                "                }\n" +
                                "            }";
                        wv_search.loadUrl(jsFunction);
                        //调用 js函数
                        wv_search.loadUrl("javascript:getContent();");
                    }
                }
                    break;
            }
        }
    };
    private Content adapter=new Content();
    private List