package com.example.daliy;

import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;

import com.google.android.material.floatingactionbutton.FloatingActionButton;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;

import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AdapterView;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    private static final String TAG="MainActivity";
    private List<CostBean> costBeanList;
    private DatabaseHelper helper;
    private String selectText="oo";
    CostAdapter mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        costBeanList=new ArrayList<>();
        helper=new DatabaseHelper(this);
        final ListView costList=findViewById(R.id.lv_main);
        initCostData();
        mAdapter = new CostAdapter(this, costBeanList);
        costList.setAdapter(mAdapter);
        costList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                CostBean costBean=costBeanList.get(position);
                //CostBean bean= (CostBean) mAdapter.getItem(costBean.id);
                Intent intent=new Intent(MainActivity.this,Delete_UpdateActivity.class);
                intent.putExtra("id",costBean.id);
                startActivityForResult(intent,1);

            }
        });
        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
                LayoutInflater inflater=LayoutInflater.from(MainActivity.this);
                View viewDialog =inflater.inflate(R.layout.new_cost,null);
                final EditText cost_title=viewDialog.findViewById(R.id.et_cost_title);
                final EditText cost_money=viewDialog.findViewById(R.id.et_cost_money);
                final DatePicker cost_date=viewDialog.findViewById(R.id.dp_cost_date);
                final Spinner cost_type=viewDialog.findViewById(R.id.sp_type);
                cost_type.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
                    @Override
                    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                        selectText=cost_type.getSelectedItem().toString();
                        Log.d(TAG, "onItemSelected: +选择运行了");
                    }

                    @Override
                    public void onNothingSelected(AdapterView<?> parent) {

                    }
                });
                builder.setTitle("新账目");
                builder.setView(viewDialog);
                builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        if(TextUtils.isEmpty(cost_title.getText())){
                            Toast.makeText(MainActivity.this,"备注为空",Toast.LENGTH_SHORT).show();
                            return;
                        }else if(TextUtils.isEmpty(cost_money.getText())){
                            Toast.makeText(MainActivity.this,"金额为空",Toast.LENGTH_SHORT).show();
                            return;
                        }
                        CostBean costBean=new CostBean();

                        costBean.costType=selectText;
                        Log.d(TAG, "onClick: "+selectText);
                        costBean.costTitle=cost_title.getText().toString();
                        costBean.costMoney=cost_money.getText().toString();
                        costBean.costDate=cost_date.getYear()+"-"+(cost_date.getMonth()+1)+"-"+cost_date.getDayOfMonth();
                        helper.insertCost(costBean);
                        costBeanList.add(costBean);
                        mAdapter.notifyDataSetChanged();
                    }
                });
                builder.setNegativeButton("Cancel",null);
                builder.create().show();
            }
        });
    }

    private void initCostData() {
//        helper.deleteAllCost();
//        for(int i=0;i<6;i++) {
//
//            CostBean cb=new CostBean();
//            cb.costDate="12-12";
//            cb.costMoney="50";
//            cb.costTitle=i+"heih";
//            helper.insertCost(cb);
//        }
        Cursor cursor = helper.getAllCost();
        if(cursor!=null){
            while (cursor.moveToNext()){
                CostBean costBean=new CostBean();
                costBean.id=cursor.getInt(cursor.getColumnIndex("id"));
                costBean.costType=cursor.getString(cursor.getColumnIndex("cost_type"));
                costBean.costTitle=cursor.getString(cursor.getColumnIndex("cost_title"));
                costBean.costDate=cursor.getString(cursor.getColumnIndex("cost_date"));
                costBean.costMoney=cursor.getString(cursor.getColumnIndex("cost_money"));
                costBeanList.add(costBean);
            }
            cursor.close();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_chart) {

            Intent intent = new Intent(MainActivity.this,ChartActivity.class);
            intent.putExtra("cost_list", (Serializable) costBeanList);
            startActivity(intent);
            return true;
        }
        else if(id==R.id.delete_allData){
            helper.deleteAllCost();
            costBeanList.clear();
            mAdapter.notifyDataSetChanged();
            return true;
        }
        else if(id==R.id.query){
            Intent intent = new Intent(MainActivity.this,QueryActivity.class);
            startActivity(intent);
        }
        return super.onOptionsItemSelected(item);
    }
}

package com.example.daliy;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.SpinnerAdapter;

import androidx.annotation.Nullable;

public class Delete_UpdateActivity extends Activity {
    private int id;
    private CostBean costBean;
    DatabaseHelper helper;
    EditText ed_title;
    EditText ed_money;
    DatePicker dp_date;
    Button bt_delete;
    Button bt_update;
    Spinner sp_type;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_delete_or_update);
        helper=new DatabaseHelper(Delete_UpdateActivity.this);
        Intent intent=getIntent();
        id=intent.getIntExtra("id",id);
        costBean=new CostBean();
        Cursor cursor=helper.getCostById(String.valueOf(id));
        if(cursor!=null){
            cursor.moveToNext();
            costBean.costType=cursor.getString(cursor.getColumnIndex("cost_type"));
            costBean.costTitle=cursor.getString(cursor.getColumnIndex("cost_title"));
            costBean.costDate=cursor.getString(cursor.getColumnIndex("cost_date"));
            costBean.costMoney=cursor.getString(cursor.getColumnIndex("cost_money"));
        }

        initData();
        initListener();
    }

    private void initData() {
        ed_title = findViewById(R.id.et_cost1_title);
        ed_money = findViewById(R.id.et_cost1_money);
        dp_date = findViewById(R.id.dp_cost1_date);
        sp_type = findViewById(R.id.sp_1type);
        bt_delete = findViewById(R.id.bt_delete);
        bt_update = findViewById(R.id.bt_update);
        ed_title.setText(costBean.costTitle);
        ed_money.setText(costBean.costMoney);
        SpinnerAdapter apsAdapter = sp_type.getAdapter();
        int size = apsAdapter.getCount();
        for (int i = 0; i < size; i++) {
            if (TextUtils.equals(costBean.costType, apsAdapter.getItem(i).toString())) {
                sp_type.setSelection(i,true);
                break;
            }
        }
    }

    private void initListener() {

        bt_delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                helper.deleteById(id);
                setResult(2);
                finish();
            }
        });
    }
}

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

    <TextView
        android:layout_width="match_parent"
        android:layout_margin="4dp"
        android:text="记账类型"
        android:textSize="20sp"
        android:layout_height="wrap_content"/>
    <Spinner
        android:layout_width="match_parent"
        android:layout_margin="4dp"
        android:entries="@array/cost_type"
        android:id="@+id/sp_1type"
        android:scrollbarSize="20sp"
        android:layout_height="wrap_content"/>



    <EditText
        android:id="@+id/et_cost1_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="Cost Title" />

    <EditText
        android:id="@+id/et_cost1_money"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="Cost Money" />

    <DatePicker
        android:id="@+id/dp_cost1_date"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_margin="4dp"
        android:calendarViewShown="false"
        android:datePickerMode="spinner" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="205dp"
        android:gravity="center">

        <Button
            android:id="@+id/bt_delete"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="delete" />

        <Button
            android:id="@+id/bt_update"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="update" />
    </LinearLayout>


</LinearLayout>