Google Places API for Android を使用しようとしていますが、アプリケーションを実行しようとすると、次のエラーが発生します。
04-19 18:27:16.094: E/AndroidRuntime(531): Caused by: java.lang.NoClassDefFoundError: com.google.api.client.http.javanet.NetHttpTransport
04-19 18:27:16.094: E/AndroidRuntime(531): at com.android.FoodFinder.MainActivity.<clinit>(MainActivity.java:38)
これは私のコードです
package com.android.FoodFinder;
import java.io.IOException;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestFactory;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.http.json.JsonHttpParser;
import com.google.api.client.json.jackson.JacksonFactory;
import android.app.ListActivity;
import android.content.Context;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends ListActivity
{
private float distance;
private Location location;
private double latitude;
private double longitude;
private static String keyString = "0JVolnSwRg8xLH0J6d9rUwQH-e770dlWn3kcRuA";
private static String urlString = "https://maps.googleapis.com/maps/api/place/search/json?";
private static final HttpTransport transport = new NetHttpTransport();
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if(location == null)
{
latitude = 0;
longitude = 0;
}
else
{
latitude = location.getLatitude();
longitude = location.getLongitude();
}
final EditText distanceEdit = (EditText)findViewById(R.id.distance);
final Button confirm = (Button)findViewById(R.id.confirm);
confirm.setOnClickListener(new View.OnClickListener(){
public void onClick(View v)
{
try
{
distance = Float.parseFloat(distanceEdit.getText().toString());
search(distance);
}
catch(Exception e)
{
e.printStackTrace();
}
}
});
}
private void search(float d) throws IOException
{
HttpRequestFactory hrfactory = createRequestFactory(transport);
HttpRequest request = hrfactory.buildGetRequest(new GenericUrl(urlString));
request.getUrl().put("key", keyString);
request.getUrl().put("location", latitude + ", " + longitude);
request.getUrl().put("types", "restaurant");
request.getUrl().put("radius", distance);
request.getUrl().put("sensor", "false");
}
private static HttpRequestFactory createRequestFactory(final HttpTransport transport)
{
return transport.createRequestFactory(new HttpRequestInitializer()
{
public void initialize(HttpRequest request) throws IOException
{
request.addParser(new JsonHttpParser(new JacksonFactory()));
}
});
}
}
エラーは次の場所にあります。
private static final HttpTransport transport = new NetHttpTransport();
次の jar ファイルをビルド パスに追加しました。
commons-logging-1.1.1
google-http-client-1.8.3-ベータ版
google-http-client-android2-1.8.3-beta
google-http-client-android3-1.8.3-beta
google-http-client-appengine-1.8.3-beta
google-oauth-client-1.8.0-beta
gson-2.1
グアバ-r09
グアバ-11.0.2
httpclient-4.0.3
httpcore-4.0.1
ジャクソン-コア-asl-1.9.4
jdo2-api-2.3-eb
json-20080701
jsr305-1.3.9
junit-4.8.2
protobuf-Java-2.2.0
トランザクション-api-1.1
xpp3-1.1.4c
google-api-client-1.8.0-ベータ版
google-api-client-appengine-1.8.0-ベータ版
google-api-client-servlet-1.8.0
しかし、私はまだ NoClassDefFoundException を取得することができます。私は何を間違っていますか？