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package com.example.account_book;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.database.Cursor;
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import android.os.Bundle;
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import com.google.android.material.floatingactionbutton.FloatingActionButton;
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import com.google.android.material.snackbar.Snackbar;
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import androidx.appcompat.app.AlertDialog;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.appcompat.widget.Toolbar;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.widget.AdapterView;
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import android.widget.DatePicker;
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import android.widget.EditText;
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import android.widget.ListView;
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import android.widget.Toast;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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public class MainActivity extends AppCompatActivity {
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private List<CostBean> mCostBeanList;
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private DatabaseHelper mDatabaseHelper;
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private CostListAdapter mAdapter;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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Toolbar toolbar = findViewById(R.id.toolbar);
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setSupportActionBar(toolbar);
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mDatabaseHelper = new DatabaseHelper(this);
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mCostBeanList = new ArrayList<>();
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ListView costList = (ListView) findViewById(R.id.lv_main);
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initCostDate();
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mAdapter = new CostListAdapter(this, mCostBeanList);
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costList.setAdapter(mAdapter);
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//单击每一个item实现删除功能
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costList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, final int position, long id) {
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AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
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builder.setTitle("删除");
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builder.setMessage("是否删除此账单?");
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builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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mDatabaseHelper.toDelete(mCostBeanList.get(position));
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mCostBeanList.remove(position);
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mAdapter.notifyDataSetChanged();//通知list_view刷新
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}
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});
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builder.setNegativeButton("取消",null);
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builder.create().show();
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}
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});
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FloatingActionButton fab = findViewById(R.id.fab);
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fab.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
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LayoutInflater inflater = LayoutInflater.from(MainActivity.this);
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View viewDialog = inflater.inflate(R.layout.new_cost, null);//联系new_cost布局，才能使用布局中的数据元素
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final EditText title = (EditText) viewDialog.findViewById(R.id.ct_cost_title);
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final EditText money = (EditText) viewDialog.findViewById(R.id.ct_cost_money);
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final DatePicker date = (DatePicker) viewDialog.findViewById(R.id.ct_cost_date);
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builder.setView(viewDialog);//将布局设置给dialog
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builder.setTitle("新建支出");//dialog的标题
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builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {//当点击确定时，
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CostBean costBean = new CostBean();
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costBean.costTitle = title.getText().toString();//将对应的属性输入
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costBean.costMoney = money.getText().toString();
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costBean.costDate = date.getYear() + "-" + (date.getMonth() + 1) + "-" +
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date.getDayOfMonth();
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//储存date时特别要注意，我们后面要根据costDate排序，所以要将其标准化
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costBean.costDate = date.getYear()+"-";
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if(date.getMonth()+1<10) costBean.costDate+="0";
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costBean.costDate+=(date.getMonth()+1)+"-";
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if(date.getDayOfMonth()<10) costBean.costDate+="0";
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costBean.costDate+=date.getDayOfMonth();
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//当输入为空时提醒
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if("".equals(costBean.costTitle) || "".equals(costBean.costMoney) || "".equals(costBean.costDate))
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{
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Toast.makeText(MainActivity.this,"信息不完整",Toast.LENGTH_SHORT).show();
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return;
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}
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if(costBean.costMoney.length()>4)
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{
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Toast.makeText(MainActivity.this,"金额过大",Toast.LENGTH_SHORT).show();
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return;
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}
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mDatabaseHelper.insertCost(costBean);//将数据插入数据库
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mCostBeanList.add(costBean);//将list改变，才能刷新
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mAdapter.notifyDataSetChanged();//通知list_view刷新，这样才能显示新的账单
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}
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});
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builder.setNegativeButton("取消", null);//取消时退出
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builder.create().show();//显示dialog，即自定义的布局
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}
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});
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}
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private void initCostDate() {
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/*
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mDatabaseHelper.deleteAllData();//清理所有数据
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for (int i=0; i<6; i++) {
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CostBean costBean = new CostBean();
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costBean.costTitle = i + "mock";
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costBean.costDate = "11-11";
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costBean.costMoney = "20";
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mDatabaseHelper.insertCost(costBean);
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}*/
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Cursor cursor = mDatabaseHelper.getAllCostData();//数据库中插入所有数据并显示到list_view中
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if(cursor != null){
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while (cursor.moveToNext()){
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CostBean costBean = new CostBean();
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costBean.costTitle = cursor.getString(cursor.getColumnIndex("cost_title"));
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costBean.costDate = cursor.getString(cursor.getColumnIndex("cost_date"));
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costBean.costMoney = cursor.getString(cursor.getColumnIndex("cost_money"));
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mCostBeanList.add(costBean);
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}
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cursor.close();
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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// Inflate the menu; this adds items to the action bar if it is present.
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getMenuInflater().inflate(R.menu.menu_main, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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// Handle action bar item clicks here. The action bar will
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// automatically handle clicks on the Home/Up button, so long
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// as you specify a parent activity in AndroidManifest.xml.
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int id = item.getItemId();
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{
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//noinspection SimplifiableIfStatement
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if (id == R.id.action_chart) {
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Intent intent = new Intent(MainActivity.this, ChartsActivity.class);
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intent.putExtra("cost_list", (Serializable) mCostBeanList);//将消费金额序列化传给chart
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startActivity(intent);
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return true;
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}
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// else if (id == R.id.action_about){
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// Intent intent_a = new Intent(getApplicationContext(),AboutActivity.class);
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// startActivity(intent_a);
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// return true;
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//
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// }
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else if (id == R.id.action_about){
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Intent intent_a = new Intent(getApplicationContext(),web.class);
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startActivity(intent_a);
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return true;
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}
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else if (id == R.id.anction_delete_all){
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mDatabaseHelper.deleteAllData();
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mCostBeanList.clear();
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mAdapter.notifyDataSetChanged();
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return true;
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}
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}
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return super.onOptionsItemSelected(item);
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}
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}
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