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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
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:orientation=”vertical” >
android:id=”@+id/et_querylocation”
android:layout_height=”wrap_content”
android:layout_width=”match_parent”
android:textColor=”#000000″
android:hint=”输入号码”/>
android:onClick=”query”
android:textSize=”24sp”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”查询”/>
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:id=”@+id/tv_phonelocation”
android:textSize=”20sp”
android:textColor=”#000000″/>
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 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。
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