Android Studio购买售卖系统

2024-04-09 13:16:29

ShopActivity

package com.example.tryfirst;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;

public class ShopActivity extends AppCompatActivity implements View.OnClickListener{

    private ItemInfo itemInfo0;
    private ItemInfo itemInfo1;
    private ItemInfo itemInfo2;
    private ItemInfo itemInfo3;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_shop);
        itemInfo0 = new ItemInfo("空军一号");
        itemInfo1 = new ItemInfo("李宁足球鞋");
        itemInfo2 = new ItemInfo("匹克太极篮球鞋");
        itemInfo3 = new ItemInfo("林丹羽毛球鞋");
        findViewById(R.id.btn_0).setOnClickListener(this);
        findViewById(R.id.btn_1).setOnClickListener(this);
        findViewById(R.id.btn_2).setOnClickListener(this);
        findViewById(R.id.btn_3).setOnClickListener(this);
    }
    public void onClick(View v){
        Intent intent;
        switch (v.getId()) {
            case R.id.btn_0:
                intent = new Intent();
                intent.putExtra("shoe",itemInfo0);
                setResult(1,intent);
                finish();
                break;
            case R.id.btn_1:
                intent = new Intent();
                intent.putExtra("shoe",itemInfo1);
                setResult(1,intent);
                finish();
                break;
            case R.id.btn_2:
                intent = new Intent();
                intent.putExtra("shoe",itemInfo0);
                setResult(1,intent);
                finish();
                break;
            case R.id.btn_3:
                intent = new Intent();
                intent.putExtra("shoe",itemInfo0);
                setResult(1,intent);
                finish();
                break;
        }
    }
}

ShowActivity

package com.example.tryfirst;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;

public class ShowActivity extends AppCompatActivity {

    private TextView tv_name;
    private TextView tv_password;
    private TextView shoe;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_show);
        Intent intent = getIntent();
        String name = intent.getStringExtra("name");
        String password = intent.getStringExtra("password");
        tv_name = (TextView) findViewById(R.id.tv_name);
        tv_password = (TextView) findViewById(R.id.tv_password);
        tv_name.setText("用户名为： " + name);
        tv_password.setText("密码为： " + password);
        shoe = (TextView) findViewById(R.id.tv_food_progress);
    }
    public void click0(View view){
        Intent intent = new Intent(this, FriendActivity.class);
        startActivity(intent);
    }
    public void click1(View view){
        Intent intent = new Intent(this,ShopActivity.class);
        startActivityForResult(intent,1);
    }
    public void click2(View view){
        Intent intent = new Intent(this,ListActivity.class);
        startActivity(intent);
    }
    @Override
    protected void onActivityResult(int requestCode,
                                    int resultCode,Intent data){
        super.onActivityResult(requestCode,resultCode,data);
        if(data !=null){
            if(requestCode==1){
                if(resultCode==1){
                    ItemInfo info =
                            (ItemInfo) data.getSerializableExtra("food");
                    updateProgress(info);
                }
            }
        }
    }
    private void updateProgress(ItemInfo info){shoe.setText(info.getName());
    }
}

ListActivity

package com.example.tryfirst;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class ListActivity extends AppCompatActivity {
    private ListView mListView;
    private String[] names = {"郭艾伦aj34"};
    private int[] herd = {R.drawable.l};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_list);
        mListView = (ListView) findViewById(R.id.lv);
        MyBaseAdapter myAdapter = new MyBaseAdapter();
        mListView.setAdapter(myAdapter);
    }
    class MyBaseAdapter extends BaseAdapter {
        @Override
        public int getCount() {
            return names.length;
        }

        @Override
        public Object getItem(int position) {
            return names[position];
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            //将list.xml文件找出来转化为View对象
            View view = View.inflate(ListActivity.this,R.layout.list,null);
            TextView mTextView = (TextView) view.findViewById(R.id.tv);
            mTextView.setText(names[position]);
            ImageView imageView = (ImageView) view.findViewById(R.id.imge);
            imageView.setBackgroundResource(herd[position]);
            return view;
        }
    }
}

Activity_Shop .xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/back"
    android:orientation="vertical"
    tools:context=".ShopActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#307f7f7f"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:padding="5dp">
        <ImageView
            android:layout_width="80dp"
            android:layout_height="200dp"
            android:background="@drawable/lin"
            android:layout_weight="1"/>
        <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="空军一号"
            android:layout_weight="3"
            android:textSize="35sp" />
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_8"
            android:text="加入购物车"
            android:layout_weight="1"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/btn_0"
            android:text="购买"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:layout_width="80dp"
            android:layout_height="200dp"
            android:background="@drawable/longtuos"
            android:layout_weight="1"/>
        <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="李宁足球鞋"
            android:textSize="35sp"
            android:layout_weight="3"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_9"
            android:text="加入购物车"
            android:layout_weight="1"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_1"
            android:text="购买"
            android:layout_weight="1"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:layout_width="80dp"
            android:layout_height="200dp"
            android:background="@drawable/longtuos"
            android:layout_weight="1"/>
        <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="匹克太极篮球鞋"
            android:textSize="35sp"
            android:layout_weight="3"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_6"
            android:text="加入购物车"
            android:layout_weight="1"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_2"
            android:text="购买"
            android:layout_weight="1"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:layout_width="80dp"
            android:layout_height="200dp"
            android:background="@drawable/longtuos"
            android:layout_weight="1"/>
        <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="林丹羽毛球鞋"
            android:textSize="35sp"
            android:layout_weight="3"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_3"
            android:text="加入购物车"
            android:layout_weight="1"/>
        <Button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/btn_4"
            android:text="购买"
            android:layout_weight="1"/>
    </LinearLayout>
</LinearLayout>

Activity_Show .xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/back"
    android:orientation="vertical"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="70dp"
        android:layout_marginBottom="50dp"
        android:orientation="horizontal"
        android:padding="20dp">
        <ImageView
            android:id="@+id/pet"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="@drawable/head"/>
        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:layout_gravity="center"
            android:orientation="vertical"
            android:paddingLeft="40dp">
            <TextView
                android:id="@+id/tv_name"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text=" "
                android:textSize="20sp"
                android:textColor="#33cc00"/>
            <TextView
                android:id="@+id/tv_password"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="20dp"
                android:text=" "
                android:textSize="20sp"
                android:textColor="#33cc00"/>
        </LinearLayout>
    </LinearLayout>
    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginBottom="50dp"
        android:layout_marginLeft="20dp"
        android:layout_marginRight="5dp">
        <TableRow
            android:layout_width="fill_parent"
            android:layout_height="wrap_content">
            <TextView
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="9"
                android:text="背景是北宋郭忠恕的明皇避暑宫图"
                android:textColor="#ff0000"
                android:textSize="25sp" />
            <TextView
                android:id="@+id/tv_food_progress"
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:layout_gravity="center"
                android:text=" "
                android:textColor="#99ff77"
                android:textSize="40sp"/>
        </TableRow>
    </TableLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">
        <Button
            android:layout_gravity="center"
            android:layout_marginLeft="28dp"
            android:layout_marginRight="50dp"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="@drawable/a"
            android:onClick="click0"/>
        <Button
            android:layout_gravity="center"
            android:layout_marginRight="28dp"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="@drawable/buy"
            android:layout_marginTop="90px"
            android:onClick="click1"/>
    </LinearLayout>
    <Button
        android:layout_width="900px"
        android:layout_height="100px"
        android:layout_marginTop="50dp"
        android:text="鞋的列表展示"
        android:onClick="click2"
        android:textColor="#ff0000"
        android:background="#99ff00"/>
</LinearLayout>

运行结果展示图

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