学步园

效果图：

Json数据；

{"data":
		{"info":[
		         		{"id":"01","name":"张三","年龄":"22","地址":"成都"},
		         		{"id":"02","name":"李四","年龄":"23","地址":"北京"},
		         		{"id":"03","name":"王五","年龄":"24","地址":"西安"},
		         		{"id":"04","name":"赵六","年龄":"25","地址":"上海"},
		         		{"id":"05","name":"周七","年龄":"26","地址":"深圳"}
			        ]
		}
	}

xml布局

<?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" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="43dp" >
    </ListView>

</RelativeLayout>

java代码：

package com.example.wzf.app.demo.activity;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.example.wzf.app.demo.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class JsonActivity extends Activity {

	ListView listView1;
	BufferedReader mBufferedReader;

	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.json);
		listView1 = (ListView) findViewById(R.id.listView1);
		String jsonString = getJson();
		String[] json = bindDataToListView(jsonString);
		ArrayAdapter aa = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, json);
		listView1.setAdapter(aa);
	}

	private String[] bindDataToListView(String jsonString) {
		try {
			String[] ss = new String[5];
			JSONObject jsonObject = new JSONObject(jsonString).getJSONObject("data");
			JSONArray jsonArray = jsonObject.getJSONArray("info");
			for (int i = 0; i < jsonArray.length(); i++) {
				JSONObject jo = (JSONObject) jsonArray.opt(i);
				ss[i] = jo.getInt("id") + " " + jo.getString("name")+ " " + jo.getString("年龄") + " " + jo.getString("地址");
			}
			return ss;
		} catch (JSONException e) {
			e.printStackTrace();
		}
		return null;
	}

	private String getJson() {
		StringBuilder builder = new StringBuilder();
		try {
			InputStream in = getResources().getAssets().open("jsontext.json");
			Reader reader = new InputStreamReader(in, "GBK");
			mBufferedReader = new BufferedReader(reader);
			String value = "";
			while ((value = mBufferedReader.readLine()) != null) {
				builder.append(value);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (mBufferedReader != null) {
				try {
					mBufferedReader.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return builder.toString();
	}
}