Android开发之初级开发_利用第三方包获取天气预报

//本demo基于soap协议；

//需要下载和导入第三方包：ksoap2-android-2.5.8

//可能因为网络的原因数据不是立马显示，需要等待

源码：

 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.hql.soap.MainActivity$PlaceholderFragment" >

    <TextView
        android:id="@+id/tv_01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="@string/hello_world" />

    <Button
        android:id="@+id/ok"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/tv_01"
        android:text="搜索" />

    <EditText
        android:id="@+id/cityNmae"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:hint="城市名字" />

</RelativeLayout>

package com.hql.soap;

import java.io.UnsupportedEncodingException;

import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;

import android.R.integer;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity
{
    // 指定命名空间
    private static final String NAMESPACE = "http://WebXml.com.cn/";
    // 接口地址
    private static final String URL = "http://www.webxml.com.cn/webservices/weatherwebservice.asmx";

    // 设置方法名
    private static final String METHOD_NAME = "getWeatherbyCityName";
    // 设置查询接口参数
    private static String SOAP_ACTION = "http://WebXml.com.cn/getWeatherbyCityName";

    // 定义字符串，保存天气信息
    private String weatherToday;
    private Button okbButton;
    private SoapObject detail;
    private EditText cityNmaeText;
    private TextView cityMsgView;

    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_main);
        okbButton = (Button) findViewById(R.id.ok);
        cityMsgView = (TextView) findViewById(R.id.tv_01);
        cityNmaeText = (EditText) findViewById(R.id.cityNmae);
        okbButton.setOnClickListener(new OnClickListener()
        {

            public void onClick(View v)
            {
                new showWeatherAsyncTask().execute();
            }
        });
    }

    private class showWeatherAsyncTask extends AsyncTask<String, integer, String>
    {

        protected String doInBackground(String... params)
        {
            showWeather();
            return null;
        }

        protected void onPostExecute(String string)
        {
        }

    }

    private void showWeather()
    {
        // 获取需要查询的城市名称
        String city = cityNmaeText.getText().toString().trim();
        if (!city.isEmpty())
        {
            getWeather(city);
        } else
        {
            Toast.makeText(getApplicationContext(), "请输入要查询的城市名称", Toast.LENGTH_SHORT).show();
        }
    }

    private void getWeather(String cityName)
    {
        try
        {
            // 新建soapobject对象
            SoapObject rpc = new SoapObject(NAMESPACE, METHOD_NAME);
            rpc.addProperty("theCityName", cityName);
            HttpTransportSE ht = new HttpTransportSE(URL);
            ht.debug = true;
            SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
            envelope.bodyOut = rpc;
            envelope.dotNet = true;
            envelope.setOutputSoapObject(rpc);
            ht.call(SOAP_ACTION, envelope);
            SoapObject result = (SoapObject) envelope.bodyIn;
            detail = (SoapObject) result.getProperty("getWeatherbyCityNameResult");
            System.out.println("detaile" + detail);
            parseWeather(detail);
            return;
        } catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    private void parseWeather(SoapObject detail) throws UnsupportedEncodingException
    {
        String date = detail.getProperty(6).toString();
        weatherToday = "今天：" + date.split("")[0];
        weatherToday = weatherToday + "天气：" + date.split("")[1];
        weatherToday = weatherToday + "气温：" + detail.getProperty(5).toString();
        weatherToday = weatherToday + "风力：" + detail.getProperty(7).toString() + "";
        cityMsgView.setText(weatherToday);

    }
}

权限：

 <uses-permission android:name="android.permission.INTERNET"/>