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Hbase操作與程式設計使用

activity介面程式碼:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation
="vertical" tools:context=".MainActivity"> <TextView android:layout_width="match_parent" android:layout_height="45dp" android:text="購物商城" android:textSize="18sp" android:textColor="#FFFFFF" android:background="#FF8F03" android:gravity
="center"/> <ListView android:id="@+id/lv" android:layout_width="match_parent" android:layout_height="wrap_content"/> </LinearLayout>

MainActivity介面程式碼:

package com.example.listview;

import android.app.ActivityGroup;
import android.os.Bundle;
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 MainActivity extends ActivityGroup { private ListView mlistview; private String[] titles = {"桌子", "蘋果", "蛋糕", "線衣", "獼猴桃", "圍巾"}; private String[] prices = {"1800元", "10元/kg", "300元", "350元", "10元/kg", "280元"}; private int[] icons = {R.drawable.table, R.drawable.apple, R.drawable.cake, R.drawable.wireclothes, R.drawable.kiwifruit, R.drawable.scarf}; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mlistview = (ListView) findViewById(R.id.lv); MyBaseAdapter mAdapter = new MyBaseAdapter(); mlistview.setAdapter(mAdapter); } class ViewHolder { TextView title, price; ImageView iv; } class MyBaseAdapter extends BaseAdapter { @Override public int getCount() { return titles.length; } @Override public Object getItem(int position) { return titles[position]; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { convertView = View.inflate(MainActivity.this, R.layout.list_item, null); holder = new ViewHolder(); holder.title = (TextView) convertView.findViewById(R.id.title); holder.price = (TextView) convertView.findViewById(R.id.price); holder.iv = (ImageView) convertView.findViewById(R.id.iv); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.title.setText(titles[position]); holder.price.setText(prices[position]); holder.iv.setBackgroundResource(icons[position]); return convertView; } } }

list_item介面程式碼:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <ImageView
        android:id="@+id/iv"
        android:layout_width="120dp"
        android:layout_height="90dp"
        android:layout_centerVertical="true"/>

    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_toRightOf="@+id/iv"
        android:layout_centerVertical="true">

        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="桌子"
            android:textSize="20sp"
            android:textColor="#000000"/>

        <TextView
            android:id="@+id/tv_price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="價格"
            android:textSize="20sp"
            android:layout_marginTop="10dp"
            android:layout_below="@+id/title"
            android:textColor="#FF8F03"/>

        <TextView
            android:id="@+id/price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="1800"
            android:textSize="20sp"
            android:layout_below="@+id/title"
            android:layout_toRightOf="@id/tv_price"
            android:textColor="#FF8F03"
            android:layout_marginTop="10dp"/>

    </RelativeLayout>

</RelativeLayout>

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