结队项目-记账本数据库建立及界面布局设计

数据库建立

 package models;

    import java.util.Date;

    import com.example.account.AddEvent;

    import android.content.ContentValues;
    import android.content.Context;
    import android.database.Cursor;
    import android.database.sqlite.SQLiteDatabase;
    import android.database.sqlite.SQLiteOpenHelper;
    import android.util.Log;
    import android.widget.Toast;
    import db.DBHelper;

 public abstract class TradeClass {
    private int _id;
    private float money;
    private String time;
    private String packageType;
    private String mark;
    private DBHelper dbhelper;
    private SQLiteDatabase db;
    private String tablename;
    public TradeClass(int id,float money,String time2,String mark,String packageType,Context context){
        this._id=id;
        this.mark=mark;
        this.money=money;
        this.packageType=packageType;
        this.time=time2;
        dbhelper=new DBHelper(context);
    }    
//_id INTEGER PRIMARY KEY,pocketType varchar(20),addTime date,money float,mark TEXT
public void trade_add(){
    db=dbhelper.getWritableDatabase();
    try
    {
        ContentValues localContentValues = new ContentValues();
        //localContentValues.put("_id", GetMaxid());
        localContentValues.put("pocketType", this.packageType);
        localContentValues.put("addTime", this.time);
        localContentValues.put("money", this.money);
        localContentValues.put("mark", this.mark);
        db.insert(tablename, null, localContentValues);
        db.close();
        return;
    }
    catch (Exception localException)
    {
        Log.v("id", "add consume error");
    }
}
public void trade_modify(){

}
public int trade_delect(int id){
    db=dbhelper.getWritableDatabase();
    try
    {
        db.delete(tablename, "_id="+id, null);
        return 1;
    }
    catch (Exception localException)
    {
        return 0;
    }
}


private int GetMaxid(){
    db=dbhelper.getWritableDatabase();
    try{
        Cursor cu=db.rawQuery("select max(_id) from "+this.tablename, null);
        while(cu.moveToLast()){
            return cu.getInt(0);
        }
        cu.close();
        db.close();
    }catch(Exception localExceptio){
    }
    return 0;
}

public float getMoney()
{
    return this.money;
}

public String gettime()
{
    return this.time;
}

public int getId()
{
    return this._id;
}

public String getPocketType()
{
    return this.packageType;
}

public void setMoney(float paramFloat)
{
    this.money = paramFloat;
}

public void settime(String paramDate)
{
    this.time = paramDate;##
}

public void setPocketId(int paramInt)
{
    this._id = paramInt;
}

public void setPocketType(String paramString)
{
    this.packageType = paramString;
}
public String getmark()
{
    return this.mark;
}

public void setmark(String mark)
{
    this.mark = mark;
}
public void settablename(String tablename)
{
    this.tablename = tablename;
}

}

布局设计

布局代码

<ScrollView android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<RelativeLayout
    android:id="@+id/RelativeLayout01"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >
    <TextView android:id="@+id/tishi1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="3.0dip"
        android:text="操作提示："  />
    <TextView android:id="@+id/tishi2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第一步：输入新消费的金额"
        android:layout_below="@+id/tishi1"
        android:layout_alignLeft="@+id/tishi1" />
    <TextView android:id="@+id/tishi3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第二步：选择新消费的类型"
        android:layout_below="@+id/tishi2"
        android:layout_alignLeft="@+id/tishi2" />
    <TextView android:id="@+id/tishi4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="第三步：点击添加账单按钮，添加成功"
        android:layout_below="@+id/tishi3"
        android:layout_alignLeft="@+id/tishi3" />
    <TextView android:textSize="18.0dip"
        android:id="@+id/addDate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="15.0dip"
        android:text="点击选择日期"
        android:layout_below="@+id/tishi4"
        android:layout_centerHorizontal="true" />
    <TextView android:textSize="18.0dip"
        android:id="@+id/tishi5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10.0dip"
        android:layout_marginTop="12.0dip"
        android:text="消费金额："
        android:layout_below="@+id/addDate" />
    <EditText android:id="@+id/money"
        android:layout_width="150.0dip"
        android:layout_height="wrap_content"
        android:layout_marginTop="-7.0dip"