直播带货源码，Android Studio购买售卖系统

直播带货源码，Android Studio购买售卖系统实现的相关代码

ShopActivity

<br>package com.example.tryfirst;<br> <br>import android.content.Intent;<br>import android.os.Bundle;<br>import android.support.v7.app.AppCompatActivity;<br>import android.view.View;<br>import android.widget.TextView;<br> <br>public class ShopActivity extends AppCompatActivity implements View.OnClickListener{<br> <br>    private ItemInfo itemInfo0;<br>    private ItemInfo itemInfo1;<br>    private ItemInfo itemInfo2;<br>    private ItemInfo itemInfo3;<br>    @Override<br>    protected void onCreate(Bundle savedInstanceState) {<br>        super.onCreate(savedInstanceState);<br>        setContentView(R.layout.activity_shop);<br>        itemInfo0 = new ItemInfo("空军一号");<br>        itemInfo1 = new ItemInfo("李宁足球鞋");<br>        itemInfo2 = new ItemInfo("匹克太极篮球鞋");<br>        itemInfo3 = new ItemInfo("林丹羽毛球鞋");<br>        findViewById(R.id.btn_0).setOnClickListener(this);<br>        findViewById(R.id.btn_1).setOnClickListener(this);<br>        findViewById(R.id.btn_2).setOnClickListener(this);<br>        findViewById(R.id.btn_3).setOnClickListener(this);<br>    }<br>    public void onClick(View v){<br>        Intent intent;<br>        switch (v.getId()) {<br>            case R.id.btn_0:<br>                intent = new Intent();<br>                intent.putExtra("shoe",itemInfo0);<br>                setResult(1,intent);<br>                finish();<br>                break;<br>            case R.id.btn_1:<br>                intent = new Intent();<br>                intent.putExtra("shoe",itemInfo1);<br>                setResult(1,intent);<br>                finish();<br>                break;<br>            case R.id.btn_2:<br>                intent = new Intent();<br>                intent.putExtra("shoe",itemInfo0);<br>                setResult(1,intent);<br>                finish();<br>                break;<br>            case R.id.btn_3:<br>                intent = new Intent();<br>                intent.putExtra("shoe",itemInfo0);<br>                setResult(1,intent);<br>                finish();<br>                break;<br>        }<br>    }<br>}

ShowActivity

package com.example.tryfirst;<br> <br>import android.content.Intent;<br>import android.os.Bundle;<br>import android.support.v7.app.AppCompatActivity;<br>import android.view.View;<br>import android.widget.TextView;<br> <br>public class ShowActivity extends AppCompatActivity {<br> <br>    private TextView tv_name;<br>    private TextView tv_password;<br>    private TextView shoe;<br>    @Override<br>    protected void onCreate(Bundle savedInstanceState) {<br>        super.onCreate(savedInstanceState);<br>        setContentView(R.layout.activity_show);<br>        Intent intent = getIntent();<br>        String name = intent.getStringExtra("name");<br>        String password = intent.getStringExtra("password");<br>        tv_name = (TextView) findViewById(R.id.tv_name);<br>        tv_password = (TextView) findViewById(R.id.tv_password);<br>        tv_name.setText("用户名为： " + name);<br>        tv_password.setText("密码为： " + password);<br>        shoe = (TextView) findViewById(R.id.tv_food_progress);<br>    }<br>    public void click0(View view){<br>        Intent intent = new Intent(this, FriendActivity.class);<br>        startActivity(intent);<br>    }<br>    public void click1(View view){<br>        Intent intent = new Intent(this,ShopActivity.class);<br>        startActivityForResult(intent,1);<br>    }<br>    public void click2(View view){<br>        Intent intent = new Intent(this,ListActivity.class);<br>        startActivity(intent);<br>    }<br>    @Override<br>    protected void onActivityResult(int requestCode,<br>                                    int resultCode,Intent data){<br>        super.onActivityResult(requestCode,resultCode,data);<br>        if(data !=null){<br>            if(requestCode==1){<br>                if(resultCode==1){<br>                    ItemInfo info =<br>                            (ItemInfo) data.getSerializableExtra("food");<br>                    updateProgress(info);<br>                }<br>            }<br>        }<br>    }<br>    private void updateProgress(ItemInfo info){shoe.setText(info.getName());<br>    }<br>}

ListActivity

package com.example.tryfirst;<br> <br>import android.os.Bundle;<br>import android.support.v7.app.AppCompatActivity;<br>import android.view.View;<br>import android.view.ViewGroup;<br>import android.widget.BaseAdapter;<br>import android.widget.ImageView;<br>import android.widget.ListView;<br>import android.widget.TextView;<br>public class ListActivity extends AppCompatActivity {<br>    private ListView mListView;<br>    private String[] names = {"郭艾伦aj34"};<br>    private int[] herd = {R.drawable.l};<br>    @Override<br>    protected void onCreate(Bundle savedInstanceState) {<br>        super.onCreate(savedInstanceState);<br>        setContentView(R.layout.activity_list);<br>        mListView = (ListView) findViewById(R.id.lv);<br>        MyBaseAdapter myAdapter = new MyBaseAdapter();<br>        mListView.setAdapter(myAdapter);<br>    }<br>    class MyBaseAdapter extends BaseAdapter {<br>        @Override<br>        public int getCount() {<br>            return names.length;<br>        }<br> <br>        @Override<br>        public Object getItem(int position) {<br>            return names[position];<br>        }<br> <br>        @Override<br>        public long getItemId(int position) {<br>            return position;<br>        }<br> <br>        @Override<br>        public View getView(int position, View convertView, ViewGroup parent) {<br>            //将list.xml文件找出来转化为View对象<br>            View view = View.inflate(ListActivity.this,R.layout.list,null);<br>            TextView mTextView = (TextView) view.findViewById(R.id.tv);<br>            mTextView.setText(names[position]);<br>            ImageView imageView = (ImageView) view.findViewById(R.id.imge);<br>            imageView.setBackgroundResource(herd[position]);<br>            return view;<br>        }<br>    }<br>}