6.12

Android 项目
package com.example.camera.pojo;

import java.util.Date;

public class Policy {
    private Long id;
    private String name;
    private String type;
    private String category;
    private String range;
    private String document;
    private String form;
    private String organ;
    private Date viadata;
    private Date pubdata;
    private Date perdata;
    private String field;
    private String theme;
    private String keyword;
    private String superior;
    private String precursor;
    private String succeed;
    private String state;
    private String text;
    private String pdf;
    private String redundancy;
    private String rank;
    private String policykey;
    private String newrank;
    private String year;
    private String newkey;
    private String secondtheme;
    private Integer allsum;

    // Getters and Setters
    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getCategory() {
        return category;
    }

    public void setCategory(String category) {
        this.category = category;
    }

    public String getRange() {
        return range;
    }

    public void setRange(String range) {
        this.range = range;
    }

    public String getDocument() {
        return document;
    }

    public void setDocument(String document) {
        this.document = document;
    }

    public String getForm() {
        return form;
    }

    public void setForm(String form) {
        this.form = form;
    }

    public String getOrgan() {
        return organ;
    }

    public void setOrgan(String organ) {
        this.organ = organ;
    }

    public Date getViadata() {
        return viadata;
    }

    public void setViadata(Date viadata) {
        this.viadata = viadata;
    }

    public Date getPubdata() {
        return pubdata;
    }

    public void setPubdata(Date pubdata) {
        this.pubdata = pubdata;
    }

    public Date getPerdata() {
        return perdata;
    }

    public void setPerdata(Date perdata) {
        this.perdata = perdata;
    }

    public String getField() {
        return field;
    }

    public void setField(String field) {
        this.field = field;
    }

    public String getTheme() {
        return theme;
    }

    public void setTheme(String theme) {
        this.theme = theme;
    }

    public String getKeyword() {
        return keyword;
    }

    public void setKeyword(String keyword) {
        this.keyword = keyword;
    }

    public String getSuperior() {
        return superior;
    }

    public void setSuperior(String superior) {
        this.superior = superior;
    }

    public String getPrecursor() {
        return precursor;
    }

    public void setPrecursor(String precursor) {
        this.precursor = precursor;
    }

    public String getSucceed() {
        return succeed;
    }

    public void setSucceed(String succeed) {
        this.succeed = succeed;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

    public String getPdf() {
        return pdf;
    }

    public void setPdf(String pdf) {
        this.pdf = pdf;
    }

    public String getRedundancy() {
        return redundancy;
    }

    public void setRedundancy(String redundancy) {
        this.redundancy = redundancy;
    }

    public String getRank() {
        return rank;
    }

    public void setRank(String rank) {
        this.rank = rank;
    }

    public String getPolicykey() {
        return policykey;
    }

    public void setPolicykey(String policykey) {
        this.policykey = policykey;
    }

    public String getNewrank() {
        return newrank;
    }

    public void setNewrank(String newrank) {
        this.newrank = newrank;
    }

    public String getYear() {
        return year;
    }

    public void setYear(String year) {
        this.year = year;
    }

    public String getNewkey() {
        return newkey;
    }

    public void setNewkey(String newkey) {
        this.newkey = newkey;
    }

    public String getSecondtheme() {
        return secondtheme;
    }

    public void setSecondtheme(String secondtheme) {
        this.secondtheme = secondtheme;
    }

    public Integer getAllsum() {
        return allsum;
    }

    public void setAllsum(Integer allsum) {
        this.allsum = allsum;
    }
}

package com.example.camera.pojo;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import com.example.camera.R;
import com.example.camera.pojo.Policy;

import java.util.List;

public class PolicyAdapter extends ArrayAdapter<Policy> {

    private Context context;
    private List<Policy> policies;

    public PolicyAdapter(Context context, int resource, List<Policy> objects) {
        super(context, resource, objects);
        this.context = context;
        this.policies = objects;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder;

        if (convertView == null) {
            LayoutInflater inflater = LayoutInflater.from(context);
            convertView = inflater.inflate(R.layout.policy_item, parent, false);
            viewHolder = new ViewHolder();
            viewHolder.nameTextView = convertView.findViewById(R.id.textView_policyName);
            viewHolder.timeTextView = convertView.findViewById(R.id.textView_policyTime);
            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }

        Policy policy = policies.get(position);
        viewHolder.nameTextView.setText(policy.getName());
        viewHolder.timeTextView.setText(policy.getPubdata().toString()); // 格式化日期

        return convertView;
    }

    static class ViewHolder {
        TextView nameTextView;
        TextView timeTextView;
    }
}

package com.example.camera;

import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


public class BlankFragment1 extends Fragment {
    private  View root;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        if (root == null) {
            root = inflater.inflate(R.layout.fragment_blank1, container, false);
        }
        return  root;
    }
}

package com.example.camera;

import android.os.Bundle;
import android.util.Log;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;

public class HtmlDisplayActivity extends AppCompatActivity {


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

            // 获取Intent传递过来的HTML内容
            String Text = getIntent().getStringExtra("Text");
            Log.d("HtmlDisplayActivity", "Received HTML Content: " + Text);

            // 初始化WebView
            WebView webView = findViewById(R.id.webView);

            // 设置WebView客户端，允许打开新的窗口（比如链接）
            webView.setWebViewClient(new WebViewClient());

            // 配置WebView设置
            WebSettings webSettings = webView.getSettings();
            webSettings.setJavaScriptEnabled(true); // 如果HTML中有JavaScript代码，需要启用
            webSettings.setLoadWithOverviewMode(true);
            webSettings.setUseWideViewPort(true);

            // 加载HTML内容
            webView.loadDataWithBaseURL(null, Text, "text/html", "utf-8", null);
        }
    }

package com.example.camera;

import android.content.Context;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.example.camera.placeholder.PlaceholderContent;

/**
 * A fragment representing a list of Items.
 */
public class ItemFragment extends Fragment {

    // TODO: Customize parameters
    private int mColumnCount = 1;

    // TODO: Customize parameter argument names
    private static final String ARG_COLUMN_COUNT = "column-count";

    // TODO: Customize parameter initialization
    @SuppressWarnings("unused")
    public static ItemFragment newInstance(int columnCount) {
        ItemFragment fragment = new ItemFragment();
        Bundle args = new Bundle();
        args.putInt(ARG_COLUMN_COUNT, columnCount);
        fragment.setArguments(args);
        return fragment;
    }

    /**
     * Mandatory empty constructor for the fragment manager to instantiate the
     * fragment (e.g. upon screen orientation changes).
     */
    public ItemFragment() {
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if (getArguments() != null) {
            mColumnCount = getArguments().getInt(ARG_COLUMN_COUNT);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_item_list, container, false);

        // Set the adapter
        if (view instanceof RecyclerView) {
            Context context = view.getContext();
            RecyclerView recyclerView = (RecyclerView) view;
            if (mColumnCount <= 1) {
                recyclerView.setLayoutManager(new LinearLayoutManager(context));
            } else {
                recyclerView.setLayoutManager(new GridLayoutManager(context, mColumnCount));
            }
            recyclerView.setAdapter(new MyItemRecyclerViewAdapter(PlaceholderContent.ITEMS));
        }
        return view;
    }
}

package com.example.camera;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;

import com.example.camera.pojo.Policy;
import com.example.camera.pojo.PolicyAdapter;
import com.example.camera.tools.Okhttp3helper;
import com.google.android.material.button.MaterialButton;

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

public class MainActivity extends AppCompatActivity  {
    private Okhttp3helper OkHttpHelper =new Okhttp3helper();
    private MaterialButton buttonSearch;

    private EditText editText;

    private ListView listView;
    private PolicyAdapter adapter;
    private List<Policy> policies;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_main);
        buttonSearch=findViewById(R.id.buttonSearch);
        editText=findViewById(R.id.editText);
        listView = findViewById(R.id.list);

        policies = new ArrayList<>(); // 假设你已经有了政策数据列表
        // 初始化policies列表，可以从网络、数据库等地方获取数据

        adapter = new PolicyAdapter(this, R.layout.policy_item, policies);
        listView.setAdapter(adapter);
//        Button button=findViewById(R.id.btn1);
//        Button button_2=findViewById(R.id.btn2);
//        button.setOnClickListener(this);
//        button_2.setOnClickListener(this);
        fetchPolicies();
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                // 假设你的数据模型类为Policy，且其中有一个字段存储HTML内容
                Policy policy = (Policy) parent.getItemAtPosition(position);

                String Text = policy.getText(); // 获取HTML内容
                Log.d("MainActivity", "Sending HTML Content: " + Text);
                // 使用Intent传递HTML内容到新的Activity

                Intent intent = new Intent(MainActivity.this, HtmlDisplayActivity.class);
                intent.putExtra("Text", Text);
                MainActivity.this.startActivity(intent);
            }
        });
       buttonSearch.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               String query = editText.getText().toString().trim();
               if (!query.isEmpty()) {
                   queryPolicies(query);
               } else {
                   showToast("请输入查询内容");
               }
           }
       });
    }

    private void queryPolicies(String query) {
OkHttpHelper.queryPolicy(query, new Okhttp3helper.QueryCallback() {
    @Override
    public void onPolicyReceived(List<Policy> policies) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                // 更新数据并通知Adapter数据集变更
                MainActivity.this.policies.clear();
                MainActivity.this.policies.addAll(policies);
                if (adapter != null) {
                    adapter.notifyDataSetChanged();
                }
            }
        });
    }

    @Override
    public void onPolicyFailure(String errorMessage) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                showToast("网络请求失败");
            }
        });

    }
});
    }


    private void fetchPolicies() {
        OkHttpHelper.getPolicy(new Okhttp3helper.DataListCallback() {
            public void onPlanReceived(List<Policy> policies) {
                // 确保在主线程更新UI
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        // 更新数据并通知Adapter数据集变更
                        MainActivity.this.policies.clear();
                        MainActivity.this.policies.addAll(policies);
                        if (adapter != null) {
                            adapter.notifyDataSetChanged();
                        }
                    }
                });
            }

            @Override
            public void onPlanFailure(String errorMessage) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        showToast("网络请求失败");
                    }
                });
            }
        });
    }

    private void showToast(String message) {
        Context context = getApplicationContext();
        int duration = Toast.LENGTH_SHORT; // 持续时间，可选Toast.LENGTH_LONG
        Toast toast = Toast.makeText(context, message, duration);
        toast.show();
    }




}

package com.example.camera;

import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.camera.placeholder.PlaceholderContent.PlaceholderItem;
import com.example.camera.databinding.FragmentItemBinding;

import java.util.List;

/**
 * {@link RecyclerView.Adapter} that can display a {@link PlaceholderItem}.
 * TODO: Replace the implementation with code for your data type.
 */
public class MyItemRecyclerViewAdapter extends RecyclerView.Adapter<MyItemRecyclerViewAdapter.ViewHolder> {

    private final List<PlaceholderItem> mValues;

    public MyItemRecyclerViewAdapter(List<PlaceholderItem> items) {
        mValues = items;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

    return new ViewHolder(FragmentItemBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));

    }

    @Override
    public void onBindViewHolder(final ViewHolder holder, int position) {
        holder.mItem = mValues.get(position);
        holder.mIdView.setText(mValues.get(position).id);
        holder.mContentView.setText(mValues.get(position).content);
    }

    @Override
    public int getItemCount() {
        return mValues.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        public final TextView mIdView;
        public final TextView mContentView;
        public PlaceholderItem mItem;

    public ViewHolder(FragmentItemBinding binding) {
      super(binding.getRoot());
      mIdView = binding.itemNumber;
      mContentView = binding.content;
    }

        @Override
        public String toString() {
            return super.toString() + " '" + mContentView.getText() + "'";
        }
    }
}