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Android手机开发教程之Listview展现数据
来源:互联网   发布日期:2016-01-14 12:24:11   浏览:2981次  

导读:在delphi和.net开发中,我们可以使用现成的Grid控件来展现数据,而在android中,则可以用Android Listview来展现网格数据,下面是几种方式和效果图:第一种效果图:嵌入式Listview:就是说定义一个xml的layout作......

在delphi和.net开发中,我们可以使用现成的Grid控件来展现数据,而在android中,则可以用Android Listview来展现网格数据,下面是几种方式和效果图:

第一种效果图:

嵌入式Listview:就是说定义一个xml的layout作为另外一个界面的Listview数据集

activity_chuangbo_detail_linear.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="horizontal"

android:layout_width="fill_parent"

android:layout_height="fill_parent">

<TextView

android:id="@+id/tv1"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text=""

android:textColor="#ffff03"

android:gravity="center_horizontal"/>

<TextView

android:id="@+id/tv2"

android:layout_width="40dip"

android:padding="0dip"

android:layout_height="wrap_content"

android:text=""

android:layout_marginLeft="5dip"

android:textColor="#ffffff"

android:gravity="center_horizontal"/>

<TextView

android:id="@+id/tv3"

android:layout_width="40dip"

android:padding="0dip"

android:layout_height="wrap_content"

android:text=""

android:layout_marginLeft="5dip"

android:textColor="#03ffff"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv4"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text=""

android:layout_marginLeft="5dip"

android:textColor="#ff90ff"

android:gravity="center_horizontal"/>

<TextView

android:id="@+id/tv5"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text=""

android:layout_marginLeft="5dip"

android:textColor="#ffff03"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv6"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text=""

android:layout_marginLeft="5dip"

android:textColor="#ffffff"

android:gravity="center_horizontal"/>

</LinearLayout>

activity_chuangbo_detail.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent">

<LinearLayout

android:layout_height="wrap_content"

android:layout_width="fill_parent">

<TextView

android:text="船名航次:"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:gravity="center_horizontal" />

</LinearLayout>

<LinearLayout

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="2dip">

<TextView android:id="@+id/tv11"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="船名航次"

android:textColor="#ffff03"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv21"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="计划航线"

android:textColor="#ffffff"

android:layout_marginLeft="5dip"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv31"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="始发港"

android:layout_marginLeft="5dip"

android:textColor="#03ffff"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv41"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="中途港1"

android:layout_marginLeft="5dip"

android:textColor="#ff90ff"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv51"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="中途港2"

android:layout_marginLeft="5dip"

android:textColor="#ffff03"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv61"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="中途港3"

android:layout_marginLeft="5dip"

android:textColor="#ffffff"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv71"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="中途港4"

android:layout_marginLeft="5dip"

android:textColor="#03ffff"

android:gravity="center_horizontal" />

<TextView

android:id="@+id/tv81"

android:layout_width="40dip"

android:layout_height="wrap_content"

android:text="目的港"

android:layout_marginLeft="5dip"

android:textColor="#ff90ff"

android:gravity="center_horizontal" />

</LinearLayout>

<LinearLayout

android:layout_width="fill_parent"

android:layout_height="wrap_content">

<ListView

android:id="@+id/list_result"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="2dip"

android:layout_marginTop="5dip">

</ListView>

</LinearLayout>

</LinearLayout>

填充数据代码:

protected void InitListView() {

HashMap<String, String> map1 = new HashMap<String, String>();

HashMap<String, String> map2 = new HashMap<String, String>();

map1.put("H", "宝航06轮11020");

map1.put("P", "长+汉-虞-申");

map1.put("G", "武汉");

map1.put("B", "预 02/0100 抵常熟");

map1.put("W", "");

map1.put("R", "上海");

list.add(map1);

map2.put("H", "长虹集2号轮11032");

map2.put("P", "干+申-津");

map2.put("G", "上海");

map2.put("B", "");

map2.put("W", "");

map2.put("R", "天津");

for (int i = 0; i < 20; i++) {

list.add(map2);

}

la = new chuanbo_detail_linearadapter(chuanbo_detail.this, list);

listView = (ListView) findViewById(R.id.list_result);

listView.setAdapter(la);

}

chuanbo_detail_linearadapter.java

package com.nantsing.infoquery;

import java.util.ArrayList;

import java.util.HashMap;

import android.content.Context;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.TextView;

public class chuanbo_detail_linearadapter extends BaseAdapter {

private Context context;

private ArrayList<HashMap<String, String>> list;

String str = null;

public chuanbo_detail_linearadapter(Context context,

ArrayList<HashMap<String, String>> list) {

// TODO Auto-generated constructor stub

this.context = context;

this.list = list;

}

public int getCount() {

// TODO Auto-generated method stub

return list.size() + 1;

}

public Object getItem(int position) {

// TODO Auto-generated method stub

return list.get(position);

}

public long getItemId(int position) {

// TODO Auto-generated method stub

return position;

}

public View getView(int position, View convertView, ViewGroup parent) {

// TODO Auto-generated method stub

View view = LayoutInflater.from(context).inflate(R.layout.activity_chuangbo_detail_linear, null);

TextView tv1 = (TextView) view.findViewById(R.id.tv1);

TextView tv2 = (TextView) view.findViewById(R.id.tv2);

TextView tv3 = (TextView) view.findViewById(R.id.tv3);

TextView tv4 = (TextView) view.findViewById(R.id.tv4);

TextView tv5 = (TextView) view.findViewById(R.id.tv5);

TextView tv6 = (TextView) view.findViewById(R.id.tv6);

Log.v("tag111",position+"");

if (position ==list.size()) {

if (null == str) {

str = "";

}

}

else {

tv1.setText(list.get(position).get("H"));

tv2.setText(list.get(position).get("P"));

tv3.setText(list.get(position).get("G"));

tv4.setText(list.get(position).get("B"));

tv5.setText(list.get(position).get("W"));

tv6.setText(list.get(position).get("R"));

}

return view;

}

}

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