团队计划（6.7）

 1 package com.example.grouptext02;
 2 
 3 
 4 import android.app.Activity;
 5 import android.content.Intent;
 6 import android.database.Cursor;
 7 import android.database.sqlite.SQLiteDatabase;
 8 import android.os.Bundle;
 9 import android.util.Log;
10 import android.view.View;
11 import android.view.View.OnClickListener;
12 import android.widget.Button;
13 import android.widget.EditText;
14 import android.widget.Toast;
15 
16 public class Set extends Activity {
17 
18     int sum_money = 0;
19     SQLiteDatabase db;
20     @Override
21     protected void onCreate(Bundle savedInstanceState) {
22         super.onCreate(savedInstanceState);
23         setContentView(R.layout.set);
24         Log.v("TAG","王大思的标记set.1");
25         //final EditText et1 =(EditText) findViewById(R.id.income_in);
26         
27         final EditText et2 =(EditText) findViewById(R.id.out_in);//输入的预期值
28         Log.v("TAG","王大思的标记set.2");
29         
30         //通过数据库获得输入所有金额的总数
31         DataHelper helper = new DataHelper(getBaseContext());
32         db = helper.getWritableDatabase();
33         Cursor cursor = db.query(DataHelper.TABLENAME, new String[]{DataHelper.MONEY}, null, null,null,null,null);
34         Log.v("TAG","王大思的标记set.3");
35         cursor.moveToFirst();
36         
37         String sql = "DELETE FROM " + DataHelper.TABLENAME +";";
38         db.execSQL(sql);
39         
40         for(int i = 0;i < cursor.getCount();i++)
41         {
42             sum_money += Integer.parseInt(cursor.getString(i));
43         }
44         cursor.close();
45         Log.v("TAG","王大思的标记set.4");
46         
47         Button Button = (Button) findViewById(R.id.button1);
48         Log.v("TAG","王大思的标记set.5");
49         Button.setOnClickListener(new OnClickListener()
50         {
51             public void onClick(View arg0)
52             {
53                 Log.v("TAG","王大思的标记set.5.1");
54                 int money =Integer.parseInt(et2.getText().toString());
55                 Log.v("TAG","王大思的标记set.5.2");
56                 //和输入的预期值进行比较
57                 if(sum_money>money)
58                 {
59                     Log.v("TAG","王大思的标记set.6");
60                     //如果money<总数值那么进行警报
61                     Toast.makeText(getBaseContext(), "花费已经超出预期", Toast.LENGTH_LONG).show();            
62                 }
63                 Intent i = new Intent(Set.this,Mainpage.class);
64                 startActivity(i);//跳转
65             }
66         });
67         
68     }
69     
70 }