note_book/app/src/main/java/com/example/tally/MonthChartActivity.java

package com.example.tally;

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;

import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.TextView;

import com.example.tally.adapter.ChartVPAdapter;
import com.example.tally.db.DBManager;
import com.example.tally.frag_chart.IncomeChartFragment;
import com.example.tally.frag_chart.OutcomeChartFragment;
import com.example.tally.utils.CalendarDialog;
import com.xuexiang.xhttp2.XHttp;
import com.xuexiang.xhttp2.XHttpSDK;
import com.xuexiang.xhttp2.callback.SimpleCallBack;
import com.xuexiang.xhttp2.exception.ApiException;

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

public class MonthChartActivity extends AppCompatActivity {
    Button inBtn,outBtn;
    TextView dateTv,inTv,outTv;
    ViewPager chartVp;
    int year;
    int month;
    int selectPos = -1,selectMonth =-1;
    List<Fragment> chartFragList;
    private IncomeChartFragment incomChartFragment;
    private OutcomeChartFragment outcomChartFragment;
    private ChartVPAdapter chartVPAdapter;
    float inMoneyOneMonth=0;
    float outMoneyOneMonth=0;

    WebView webView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_month_chart);
        webView = findViewById(R.id.web_view);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.setWebViewClient(new WebViewClient(){

            @Override
            public void onPageFinished(WebView view, String url) {
                webView.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
            }

        });
        webView.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);

        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
            webView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        }
//        webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        webView.loadUrl("http://192.168.0.8:8080/chat/PolylineChat");
        initView();
        initTime();
        initStatistics(year,month);
        initFrag();
        setVPSelectListener();
    }
    private void setVPSelectListener() {
        chartVp.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener(){
            @Override
            public void onPageSelected(int position) {
                setButtonStyle(position);
            }
        });
    }

    private void initFrag() {
        chartFragList = new ArrayList<>();
//        添加Fragment的对象
        incomChartFragment = new IncomeChartFragment();
        outcomChartFragment = new OutcomeChartFragment();
//        添加数据到Fragment当中
        Bundle bundle = new Bundle();
        bundle.putInt("year",year);
        bundle.putInt("month",month);
        incomChartFragment.setArguments(bundle);
        outcomChartFragment.setArguments(bundle);
//        将Fragment添加到数据源当中
        chartFragList.add(outcomChartFragment);
        chartFragList.add(incomChartFragment);
//        使用适配器
        chartVPAdapter = new ChartVPAdapter(getSupportFragmentManager(), chartFragList);
        chartVp.setAdapter(chartVPAdapter);
//        将Fragment加载到Acitivy当中
    }

        /* 统计某年某月的收支情况数据*/
    private void initStatistics(int year, int month) {
        SharedPreferences sharedPreferences = getSharedPreferences("myPrefs", Context.MODE_PRIVATE);
        String token = sharedPreferences.getString("token", "");
        XHttpSDK.setSuccessCode(200);
        XHttp.get("/app/Category/getSumMoneyOneDay")
                .headers("Authorization", "Bearer " + token)
                .params("year",year)
                .params("month",month)
                .params("kind",1)
                .syncRequest(false) //异步请求
                .onMainThread(true) //回到主线程
                .execute(new SimpleCallBack<Float>() {
                    @Override
                    public void onSuccess(Float response) throws Throwable {
                        inMoneyOneMonth=response;
                        updateStatistics();
                        Log.e("YourClass", "getSumMoneyOneMonth incountItemOneMonth  success, response: " + response.toString());
                    }

                    @Override
                    public void onError(ApiException e) {
                        e.printStackTrace();
                        Log.e("YourClass", "getSumMoneyOneMonth error: " + e.getMessage());
                    }
                });
        XHttpSDK.setSuccessCode(200);
        XHttp.get("/app/Category/getSumMoneyOneDay")
                .headers("Authorization", "Bearer " + token)
                .params("year",year)
                .params("month",month)
                .params("kind",0)
                .syncRequest(false) //异步请求
                .onMainThread(true) //回到主线程
                .execute(new SimpleCallBack<Float>() {
                    @Override
                    public void onSuccess(Float response) throws Throwable {
                        outMoneyOneMonth=response;
                        updateStatistics();
                        Log.e("YourClass", "getSumMoneyOneMonth outcountItemOneMonth  success, response: " + response.toString());
                    }
                    @Override
                    public void onError(ApiException e) {
                        e.printStackTrace();
                        Log.e("YourClass", "getSumMoneyOneMonth error: " + e.getMessage());
                    }
                });
//        float inMoneyOneMonth = DBManager.getSumMoneyOneMonth(year, month, 1);  //收入总钱数
//        float outMoneyOneMonth = DBManager.getSumMoneyOneMonth(year, month, 0); //支出总钱数
        int incountItemOneMonth = DBManager.getCountItemOneMonth(year, month, 1);  //收入多少笔
        int outcountItemOneMonth = DBManager.getCountItemOneMonth(year, month, 0); //支出多少笔
        dateTv.setText(year+"年"+month+"月账单");
        inTv.setText("共"+incountItemOneMonth+"笔收入, ￥ "+inMoneyOneMonth);
        outTv.setText("共"+outcountItemOneMonth+"笔支出, ￥ "+outMoneyOneMonth);
    }

    private void updateStatistics() {
        int incountItemOneMonth = DBManager.getCountItemOneMonth(year, month, 1);
        int outcountItemOneMonth = DBManager.getCountItemOneMonth(year, month, 0);

        // 更新UI
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                dateTv.setText(year + "年" + month + "月账单");
                inTv.setText("共" + incountItemOneMonth + "笔收入, ￥ " + inMoneyOneMonth);
                outTv.setText("共" + outcountItemOneMonth + "笔支出, ￥ " + outMoneyOneMonth);
            }
        });
    }
    /** 初始化时间的方法*/
    private void initTime() {
        Calendar calendar = Calendar.getInstance();
        year = calendar.get(Calendar.YEAR);
        month = calendar.get(Calendar.MONTH)+1;
    }

    //初始化控件
    private void initView() {
        inBtn = findViewById(R.id.chart_btn_in);
        outBtn = findViewById(R.id.chart_btn_out);
        dateTv = findViewById(R.id.chart_tv_date);
        inTv = findViewById(R.id.chart_tv_in);
        outTv = findViewById(R.id.chart_tv_out);
        chartVp = findViewById(R.id.chart_vp);
    }

    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.chart_iv_back:
                finish();
                break;
            case R.id.chart_iv_rili:
                showCalendarDialog();
                break;
            case R.id.chart_btn_in:
                setButtonStyle(1);
                chartVp.setCurrentItem(1);
                break;
            case R.id.chart_btn_out:
                setButtonStyle(0);
                chartVp.setCurrentItem(0);
                break;
        }
    }
    /* 显示日历对话框*/
    private void showCalendarDialog() {
        CalendarDialog dialog = new CalendarDialog(this, selectPos, selectMonth);
        dialog.show();
        dialog.setDialogSize();
        dialog.setOnRefreshListener(new CalendarDialog.OnRefreshListener() {
            @Override
            public void onRefresh(int selPos, int year, int month) {
                MonthChartActivity.this.selectPos = selPos;
                MonthChartActivity.this.selectMonth = month;
                initStatistics(year,month);
               incomChartFragment.setDate(year,month);
               outcomChartFragment.setDate(year,month);
            }
        });
    }

    /* 设置按钮样式的改变  支出-0  收入-1*/
    private void setButtonStyle(int kind){
        if (kind == 0) {
            outBtn.setBackgroundResource(R.drawable.main_recordbtn_bg);
            outBtn.setTextColor(Color.WHITE);
            inBtn.setBackgroundResource(R.drawable.dialog_btn_bg);
            inBtn.setTextColor(Color.BLACK);
        }else if (kind == 1){
            inBtn.setBackgroundResource(R.drawable.main_recordbtn_bg);
            inBtn.setTextColor(Color.WHITE);
            outBtn.setBackgroundResource(R.drawable.dialog_btn_bg);
            outBtn.setTextColor(Color.BLACK);
        }
    }
}