利用Webservice连接网络进行实时查询,可以根据手机号码查询归属地也可根据城市名称查询天气情况。两者相差不多,这里先做下天气情况的查询:
首先,对展示的页面进行布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:background="@drawable/a"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="@dimen/padding_medium"
android:text="@string/cityname"
tools:context=".MainActivity" />
<EditText
android:id="@+id/cityname"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/search"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/search"/>
<TextView
android:id="@+id/result"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
其次,对方法进行封装(很重要哦,一个标点都不能出错)
public class SOAPUtil {
public static Object doTransport(final String wsdUrl,final String webMethod,String city){
String nameSpace="http://WebXml.com.cn/";
SoapObject soapObject=new SoapObject(nameSpace, webMethod);
soapObject.addProperty("theCityName", city);
System.out.println(city);
SoapSerializationEnvelope soapSerializationEnvelope=new SoapSerializationEnvelope(SoapEnvelope.VER11);
soapSerializationEnvelope.bodyOut=soapObject;
soapSerializationEnvelope.dotNet=true;
soapSerializationEnvelope.setOutputSoapObject(soapObject);
HttpTransportSE httpTransportSE=new HttpTransportSE(wsdUrl);
String SOAP_ACTION="http://WebXml.com.cn/"+webMethod;
System.out.println(SOAP_ACTION);
try{
httpTransportSE.call(SOAP_ACTION, soapSerializationEnvelope);
System.out.println("调用结束");
System.out.println(soapSerializationEnvelope.getResponse());
if(soapSerializationEnvelope.getResponse()!=null){
Object result=soapSerializationEnvelope.getResponse();
System.out.println(result);
return result;
}
}catch(IOException e){
System.out.println("IOException");
e.printStackTrace();
}catch(XmlPullParserException e){
e.printStackTrace();
}
return null;
}
}
主要方法的调用了,很简单,除了点击事件作出相应的改变,其他的都和最初学习的一样:
public class MainActivity extends Activity {
private EditText city;
private Button searchs;
private TextView results;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
city=(EditText) findViewById(R.id.cityname);
searchs=(Button) findViewById(R.id.search);
results= (TextView) findViewById(R.id.result);
searchs.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String cityname=city.getText().toString();
String wsdUrl="http://www.webxml.com.cn/webservices/weatherwebservice.asmx";
String method="getWeatherbyCityName";
Object result=SOAPUtil.doTransport(wsdUrl, method, cityname);
results.setText(result.toString());
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
最后别忘了,进行网络访问许可:
<!-- 允许访问网络 -->
<uses-permission android:name="android.permission.INTERNET"/>
效果如图显示:
如上图,结果显示中有许多我们并不希望显示出来的信息如anyType,String等都显示出来了,在原先的基础上修改一点代码即可实现自己希望的结果哦!
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