这篇文章主要为大家详细介绍了Android Studio实现购买售卖系统，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
本文实例为大家分享了Android Studio实现购买售卖系统的具体代码，供大家参考，具体内容如下
本项目基于安卓系统开发的界面设计，包括登录，主页面，展示页面，购买页面等六个页面
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
Activity_Show .xml
运行结果展示图
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