org.salever.android.step.store.web.WebServiceActivity.java Source code

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Here is the source code for org.salever.android.step.store.web.WebServiceActivity.java

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/*******************************************************************************
 * Copyright (c) 2010 liXiaopeng. All rights reserved. 
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 *
 * Contributors:
 *     LiXiaopeng - initial API and implementation
 *
 * Create on 2011-1-30 02:00:27
 *******************************************************************************/
package org.salever.android.step.store.web;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.salever.android.step.store.R;
import org.salever.android.step.store.Utils;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;

/**
 * @author LiXiaopeng
 * 
 */
public class WebServiceActivity extends Activity {

    private static final String URL = "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getWeatherbyCityName";

    private static final String CITY_PARAM = "theCityName";

    private EditText cCity;
    //   private EditText cWeather;
    private WebView cwWeather;

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onCreate(android.os.Bundle)
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.web_service_activity);

        cCity = (EditText) findViewById(R.id.EditTextCity);
        //      cWeather = (EditText) findViewById(R.id.EditTextWeather);
        cwWeather = (WebView) findViewById(R.id.WebView01);

        Button button = (Button) findViewById(R.id.WeatherButton01);
        button.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                try {
                    cwWeather.loadUrl(URL + "?" + CITY_PARAM + "=" + "");
                    //               showWeather();
                } catch (Exception e) {
                    Utils.openInfoDialog(WebServiceActivity.this, "Error", "  " + e);
                }
            }
        });
    }

    /**
     * @throws IOException
     * @throws ClientProtocolException
     * 
     */
    protected void showWeather() throws ClientProtocolException, IOException {
        HttpPost httpPost = new HttpPost(URL);
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        String city = cCity.getText().toString();
        params.add(new BasicNameValuePair(CITY_PARAM, city));
        httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
        HttpResponse reponse = new DefaultHttpClient().execute(httpPost);
        if (reponse.getStatusLine().getStatusCode() != 404) {
            String result = EntityUtils.toString(reponse.getEntity());
            Utils.openInfoDialog(WebServiceActivity.this, "Info", result);
            cwWeather.loadData(result, "text/xml", HTTP.UTF_8);
            //         cwWeather.loadUrl(URL + "?" + CITY_PARAM + "=" + city);
        }
    }
}