AndroidからWebサービスを使う

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Re:Kayo-System Co.,Ltd.

2012 2 15


2012 2 15

• Ecrair/Froyo Apache HTTP Client

• Gingerbread HttpURLConnection API
Android
• HttpURLConnection


2012 2 15

oogle Maps API


2012 2 15

package jp.co.kayo.android.localplayer.ds.ampache.test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;

import android.test.AndroidTestCase;
import android.util.Log;

public class MapAPITest extends AndroidTestCase {
final String TAG = "MapAPI Test";

public void testCallService() {
try {
URI uri = new URI("http://maps.google.com/maps/api/geocode/json?address=".concat(
URLEncoder.encode(" ")).concat("&sensor=false"));

HttpURLConnection con = (HttpURLConnection) uri.toURL().openConnection();
InputStream is = con.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
String line;
while ((line = reader.readLine()) != null) {
Log.d("", line);
}
is.close();
reader.close();
} catch (URISyntaxException e) {
Log.d(TAG, "URI Syntax error", e);
} catch (MalformedURLException e) {
Log.d(TAG, "URL Malformed Error", e);
} catch (IOException e) {
Log.d(TAG, "IO error", e);
}
}
}


2012 2 15

try {
URI uri = new URI("http://maps.google.com/maps/api/geocode/json?address=".concat(
URLEncoder.encode(" ")).concat("&sensor=false"));

HttpURLConnection con = (HttpURLConnection) uri.toURL().openConnection();
InputStream is = con.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder json = new StringBuilder();
String line;
Log.d("", line);
json.append(line);
}
is.close();
reader.close();
} catch (URISyntaxException e) {
Log.d(TAG, "URI Syntax error", e);
} catch (MalformedURLException e) {
Log.d(TAG, "URL Malformed Error", e);
} catch (IOException e) {
Log.d(TAG, "IO error", e);
}


2012 2 15

StringBuilder json = new StringBuilder();
String line;
Log.d("", line);
json.append(line);
}

{
"results" : [
{
"address_components" : [
{
"long_name" : " ",
"short_name" : " ",
"types" : [ "locality", "political" ]
},
{
"long_name" : " ",
"short_name" : " ",
"types" : [ "administrative_area_level_1", "political" ]
},


2012 2 15

{
"long_name" : " ",
"short_name" : " ",
"types" : [ "locality", "political" ]
}

"formatted_address" : " , ",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 31.63195899999999,
"lng" : 130.82772330
},
"southwest" : {
"lat" : 31.41453820,
"lng" : 130.68629260
}
},
"location" : {
"lat" : 31.49273440,
"lng" : 130.70091430
},


2012 2 15

private void printAddress(String str){
try {
JSONObject json = new JSONObject(str);

JSONArray results = json.getJSONArray("results");
int count = results.length();
for(int i=0; i<count; i++){
JSONObject item = results.getJSONObject(i);
String formatted_address = item.getString("formatted_address");
JSONObject geom = item.getJSONObject("geometry");
JSONObject location = geom.getJSONObject("location");
String lat = location.getString("lat");
String lng = location.getString("lng");

Log.d(TAG, "formatted_address"+ formatted_address);
Log.d(TAG, "(lat, lng)="+lat+","+lng);
}
} catch (JSONException e) {
Log.d(TAG, "Json Error", e);
}
}


2012 2 15

AndroidからWebサービスを使う

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