一个简单的demo，从聚合数据申请手机号码归属地数据接口；
在edittext中输入待查询号码，获取号码后在子线程中使用httpurlconnection获取json数据，之后进行解析；
数据获取完成后，在主线程中更新ui，显示获取的号码归属地信息。
布局文件
我要评论
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<edittext
android:id="@+id/et_querylocation"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:textcolor="#000000"
android:hint="输入号码"/>
<button
android:onclick="query"
android:textsize="24sp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="查询"/>
<textview
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/tv_phonelocation"
android:textsize="20sp"
android:textcolor="#000000"/>
</linearlayout>
java代码
package com.example.phonehome;
import java.io.bufferedreader;
import java.io.dataoutputstream;
import java.io.ioexception;
import java.io.inputstream;
import java.io.inputstreamreader;
import java.io.unsupportedencodingexception;
import java.net.httpurlconnection;
import java.net.url;
import java.net.urlencoder;
import java.util.hashmap;
import java.util.map;
import org.json.jsonobject;
import android.app.activity;
import android.os.bundle;
import android.os.handler;
import android.text.textutils;
import android.view.view;
import android.widget.edittext;
import android.widget.textview;
import android.widget.toast;
public class mainactivity extends activity {
private edittext et_phone;
private textview tv_phone;
private final static int start = 0;
private final static int finish = 1;
private string phone;//待查询号码
//号码信息
private static string province;
private static string city;
private static string company;
private static string card;
public static final string def_chatset = "utf-8";
public static final int def_conn_timeout = 30000;
public static final int def_read_timeout = 30000;
public static final string appkey ="申请的app key";
//子线程中查询数据开始、完成时发送消息，完成相应操作
handler handler = new handler(){
public void handlemessage(android.os.message msg) {
switch (msg.what) {
case start:
toast.maketext(mainactivity.this, "正在查询，请稍候", toast.length_short).show();
break;
case finish:
//在textview中显示查得的号码信息（子线程中不能更新ui）
tv_phone.settext(province +" "+ city + " " + company + " " + card);
break;
default:
break;
}
};
};
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
initview();
}
//button的店家事件，获取待查询号码后在子线程中进行查询
public void query(view v){
phone = et_phone.gettext().tostring().trim();
if (!textutils.isempty(phone)) {
new thread(){
public void run() {
//开始查询
handler.obtainmessage(start).sendtotarget();
getrequest(phone);
//查得结果
handler.obtainmessage(finish).sendtotarget();
};
}.start();
}else {
toast.maketext(mainactivity.this, "输入号码不能为空", toast.length_short).show();
}
}
//手机归属地查询
public static void getrequest(string phone){
string result =null;
string url ="http://apis.juhe.cn/mobile/get";//请求接口地址
map params = new hashmap();//请求参数
params.put("phone",phone);//需要查询的手机号码或手机号码前7位
params.put("key",appkey);//应用appkey(应用详细页查询)
params.put("dtype","");//返回数据的格式,xml或json，默认json
try {
//得到json数据，并进行解析
result =net(url, params, "get");
jsonobject object = new jsonobject(result);
jsonobject ob = new jsonobject(object.get("result").tostring()+"");
province = ob.getstring("province");
city = ob.getstring("city");
company = ob.getstring("company");
card = ob.getstring("card");
} catch (exception e) {
e.printstacktrace();
}
}
/**
*
* @param strurl 请求地址
* @param params 请求参数
* @param method 请求方法
* @return 网络请求字符串
* @throws exception
*/
public static string net(string strurl, map params,string method) throws exception {
httpurlconnection conn = null;
bufferedreader reader = null;
string rs = null;
try {
stringbuffer sb = new stringbuffer();
if(method==null || method.equals("get")){
strurl = strurl+"?"+urlencode(params);
}
url url = new url(strurl);
conn = (httpurlconnection) url.openconnection();
if(method==null || method.equals("get")){
conn.setrequestmethod("get");
}else{
conn.setrequestmethod("post");
conn.setdooutput(true);
}
//conn.setrequestproperty("user-agent", useragent);
conn.setusecaches(false);
conn.setconnecttimeout(def_conn_timeout);
conn.setreadtimeout(def_read_timeout);
conn.setinstancefollowredirects(false);
conn.connect();
if (params!= null && method.equals("post")) {
try {
dataoutputstream out = new dataoutputstream(conn.getoutputstream());
out.writebytes(urlencode(params));
} catch (exception e) {
// todo: handle exception
e.printstacktrace();
}
}
inputstream is = conn.getinputstream();
reader = new bufferedreader(new inputstreamreader(is, def_chatset));
string strread = null;
while ((strread = reader.readline()) != null) {
sb.append(strread);
}
rs = sb.tostring();
} catch (ioexception e) {
e.printstacktrace();
} finally {
if (reader != null) {
reader.close();
}
if (conn != null) {
conn.disconnect();
}
}
return rs;
}
//将map型转为请求参数型
public static string urlencode(map<string,string> data) {
stringbuilder sb = new stringbuilder();
for (map.entry i : data.entryset()) {
try {
sb.append(i.getkey()).append("=").append(urlencoder.encode(i.getvalue()+"","utf-8")).append("&");
} catch (unsupportedencodingexception e) {
e.printstacktrace();
}
}
return sb.tostring();
}
private void initview() {
setcontentview(r.layout.activity_main);
et_phone = (edittext) findviewbyid(r.id.et_querylocation);
tv_phone = (textview) findviewbyid(r.id.tv_phonelocation);
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助。
如对本文有疑问，请在下面进行留言讨论，广大热心网友会与你互动！！ 点击进行留言回复
Android studio开发小型对话机器人app(实例代码)
Android通过Java sdk的方式接入OpenCv的方法
Android 通过cmake的方式接入opencv的方法步骤
Android Studio finish()方法的使用与解决app点击“返回”(直接退出)
Android 进度条 ProgressBar的实现代码(隐藏、出现、加载进度)
网友评论