记账本

继昨天编写的内容之后，将剩余的部分补完并进行了调试

MainActivity的代码

public class MainActivity extends AppCompatActivity {
    private List<CostBean> mCostBeenList;
    private DatabaseHelper mDatabaseHelper;
    private CostListAdapter mAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
 
        mDatabaseHelper=new DatabaseHelper(this);
 
        mCostBeenList=new ArrayList<>();
        initCostData();
        ListView costList= (ListView) findViewById(R.id.lv_main);
 
        mAdapter=new CostListAdapter(this,mCostBeenList);
        costList.setAdapter(mAdapter);
 
        FloatingActionButton fab = (FloatingActionButton) 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_data,null);
                final EditText title= (EditText) viewDialog.findViewById(R.id.et_cost_title);
                final EditText money= (EditText) viewDialog.findViewById(R.id.et_cost_money);
                final DatePicker date= (DatePicker) viewDialog.findViewById(R.id.dp_cost_date);
 
                builder.setView(viewDialog);
                builder.setTitle("新的花费");
                builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        CostBean coseBean=new CostBean();
                        coseBean.costTitle=title.getText().toString();
                        coseBean.costMoney=money.getText().toString();
                        coseBean.costDate=date.getYear()+"-"+(date.getMonth()+1)+"-"+date.getDayOfMonth();
                        mDatabaseHelper.insertCost(coseBean);
                        mCostBeenList.add(coseBean);
 
                        mAdapter.notifyDataSetChanged();
                    }
                });
 
                builder.setNegativeButton("Cancel",null);
 
                //勿忘！！！
                builder.create().show();
            }
        });
 
        //打开SQLiteStudio
        SQLiteStudioService.instance().start(this);
 
    }
 
    private void initCostData() {
        Cursor cursor= mDatabaseHelper.getAllCostData();
        if (cursor!=null){
            while (cursor.moveToNext()){
                CostBean costBean=new CostBean();
                costBean.costTitle=cursor.getString(cursor.getColumnIndex("cost_title"));
                costBean.costDate=cursor.getString(cursor.getColumnIndex("cost_date"));
                costBean.costMoney=cursor.getString(cursor.getColumnIndex("cost_money"));
                mCostBeenList.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();
 
        if (id == R.id.action_chart) {
//            Intent intent=new Intent(MainActivity.this,ChartActivity.class);
//            intent.putExtra("cost_list", (Serializable) mCostBeenList);
//            startActivity(intent);
            return true;
        }
 
        return super.onOptionsItemSelected(item);
    }
 
    @Override
    protected void onDestroy() {
        SQLiteStudioService.instance().stop();
        super.onDestroy();
    }
}

View Code

AlertDialog的view  new_cost_data的xml布局代码

<?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:gravity="center"
    android:layout_height="match_parent">
    <EditText
        android:id="@+id/et_cost_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="Cost Title"/>
    <EditText
        android:id="@+id/et_cost_money"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:hint="Cost Money"/>
 
    <DatePicker
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="4dp"
        android:id="@+id/dp_cost_date"
        android:datePickerMode="spinner"
        android:calendarViewShown="false"/>
 
 
</LinearLayout>

View Code

 

标签：mCostBeenList,cursor,cost,记账,new,coseBean,id
来源： https://www.cnblogs.com/headl-voi/p/15873205.html