MenuzoominActivity
package com.gourmetMeal;
import com.gourmetMeal.database.DataShare;
import android.os.Bundle;
import android.content.Intent;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
/**
* 菜单放大
*
* @author bcu
*
*/
public class MenuzoominActivity extends CommonActivity implements
OnClickListener {
/**
* 返回按钮
*/
private Button menuzooomin_btn_back = null;
/**
* 点菜按钮
*
*/
private Button menuzooomin_btn_order = null;
/**
* 声明Intent跳转
*/
private Intent menuzoom_intent = null;
/**
* 图片
*/
private ImageView menuzooomin_img_zoomin = null;
/**
* 名称
*/
private TextView menuzoomin_txt_name = null;
/**
* 价格
*/
private TextView menuzoomin_txt_value = null;
/**
* 传递过来的名称
*/
private String name;
/**
* 价格过来的价格
*/
private String value;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menuzoomin);
// 初始化UI
infoUI();
}
private void infoUI() {
/*
* 获取UI控件
*/
menuzooomin_btn_back = (Button) findViewById(R.id.menuzooomin_btn_back);
menuzooomin_btn_order = (Button) findViewById(R.id.menuzooomin_btn_order);
menuzooomin_img_zoomin = (ImageView) findViewById(R.id.menuzooomin_img_zoomin);
menuzoomin_txt_name = (TextView) findViewById(R.id.menuzoomin_txt_name);
menuzoomin_txt_value = (TextView) findViewById(R.id.menuzoomin_txt_value);
menuzoom_intent = new Intent();
/*
* 获取传递的参数并设置
*/
Intent menu_intent = getIntent();
name = menu_intent.getStringExtra("name");
value = menu_intent.getStringExtra("value");
menuzoomin_txt_name.setText(name);
menuzoomin_txt_value.setText(value);
menuzooomin_img_zoomin.setImageBitmap(CommonActivity.menu_imgres);
/*
* 设置监听事件
*/
menuzooomin_btn_back.setOnClickListener(MenuzoominActivity.this);
menuzooomin_btn_order.setOnClickListener(MenuzoominActivity.this);
}
/**
* 点击事件
*/
public void onClick(View v) {
switch (v.getId()) {
case R.id.menuzooomin_btn_back: // 返回按钮
/*
* 跳转至主界面
*/
menuzoom_intent.setClass(MenuzoominActivity.this,
MenuActivity.class);
startActivity(menuzoom_intent);
this.finish();
break;
case R.id.menuzooomin_btn_order: // 点菜按钮
foodname = name; // 获取菜名
theFood = sqlfood(); // 设置theFood类
/*
* 判断菜是否已被点，计算数量和总价
*/
int index = DataShare.isExistGoods(foodid);
if (index != -1) {// 已添加过该商品
DataShare.shopList.get(index).setNum(
DataShare.shopList.get(index).getNum() + 1);
DataShare.shopList.get(index).setJiage(
DataShare.shopList.get(index).getNum()
* DataShare.shopList.get(index).getDanjia());
} else {
theFood.setNum(1);
theFood.setJiage(fooddanjia);
System.out.println(theFood.getJiage() + "!!!");
DataShare.shopList.add(theFood);
}
Toast.makeText(this, "您选了" + foodname, Toast.LENGTH_LONG).show();
break;
}
}
/**
* 重写返回键
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
/*
* 跳转至主界面
*/
if (keyCode == KeyEvent.KEYCODE_BACK) {
menuzoom_intent.setClass(MenuzoominActivity.this,
MenuActivity.class);
startActivity(menuzoom_intent);
this.finish();
}
return false;
}
}
xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:background="@drawable/menu_background"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<RelativeLayout
android:id="@+id/menuzooomin_relativeLayout_above"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_above="@+id/menuzooomin_relativeLayout_below">
<ImageView
android:id="@+id/menuzooomin_img_zoomin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginTop="10dp"
android:layout_alignParentBottom="true"
android:src="@drawable/gallery4" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/menu_scr_RelativeLayoutinformation"
android:layout_alignLeft="@+id/menuzooomin_img_zoomin"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/menuzoomin_txt_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
android:text="蓝莓山药"
android:background="#FF0000"
android:textColor="#FFFF00"
android:textStyle="bold"
android:textSize="15dp"/>
<TextView
android:id="@+id/menuzoomin_txt_value"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginTop="10dp"
android:layout_marginLeft="10dp"
android:layout_below="@+id/menuzoomin_txt_name"
android:text="10元"
android:background="#FF0000"
android:textColor="#FFFF00"
android:textStyle="bold"
android:textSize="15dp"/>
</RelativeLayout>
<RelativeLayout
android:id="@+id/menuzooomin_relativeLayout_below"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_marginBottom="11dp"
android:layout_alignParentBottom="true">
<Button
android:id="@+id/menuzooomin_btn_order"
android:textColor="#FFFFFF"
android:background="@layout/button_order"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginTop="10dp"
android:layout_marginRight="10dp"
android:text="" />
<Button
android:id="@+id/menuzooomin_btn_back"
android:textColor="#FFFFFF"
android:background="@layout/button_back"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_marginTop="10dp"
android:layout_toLeftOf="@+id/menuzooomin_btn_order"
android:text="" />
</RelativeLayout>
</RelativeLayout>