Android与webservice之间的交互

前几天我给别人做了一个webservice与手机客户端进行交互的程序，光这个服务器端的搭建大约花了我一天的时间，现在将一些失误和收获跟大家分享一下。

1. 失误一：我是用的eclipse版本不对，应该用eclipse-jee-ganymede-SR2-win32.zip
2. 失误二：轻信网络上的一些网友的步骤，导致越陷越深，最终必须重来
3. 失误三：我的客户端对wsdl不能正确读取；只能在使用web读取，而手机无法读取

上图为wdsl的展示界面，其中是一个四则运算的web服务，“a/b”是两个参数

如下是九宫格的程序及截图

package com.apps;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.SimpleAdapter;

public class JiuGg extends Activity {
	/** Called when the activity is first created. */
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		GridView gridview = (GridView) findViewById(R.id.GridView);
		ArrayList<HashMap<String, Object>> meumList = new ArrayList<HashMap<String, Object>>();
		String name[] = { "Skype", "计算器", "花鸟", "写字板", "仪表", "天气", "字典", "视频",
				"音乐" };
		int num[] = { R.drawable.b1, R.drawable.b2, R.drawable.b3,
				R.drawable.b4, R.drawable.b5, R.drawable.b6, R.drawable.b7,
				R.drawable.b8, R.drawable.b9 };
		for (int i = 0; i < num.length; i++) {
			HashMap<String, Object> map = new HashMap<String, Object>();
			map.put("ItemImage", num[i]);
			map.put("ItemText", name[i]);
			meumList.add(map);
		}
		

		SimpleAdapter saMenuItem = new SimpleAdapter(this, meumList,
				R.layout.meunitem, new String[] { "ItemImage", "ItemText" },
				new int[] { R.id.ItemImage, R.id.ItemText });
		gridview.setAdapter(saMenuItem);
		gridview.setOnItemClickListener(new ItemClickListener());

		// {
		// public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
		// long arg3) {
		// // System.out.println("click index:" + arg2);
		// Intent intent = new Intent();
		// intent.setClass(JiuGg.this, Calculator.class);
		// //调用一个新的Activity
		// startActivity(intent);
		// //关闭原本的Activity
		// JiuGg.this.finish();
		//
		// }
		// }
		// );
	}

	class ItemClickListener implements OnItemClickListener {
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
				long arg3) {
			System.out.println("click index:" + arg1);
			
			Intent intent = new Intent();
			intent.setClass(JiuGg.this, Calculator.class);
			startActivity(intent);
			JiuGg.this.finish();
		}
	}
}

package com.apps;

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.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class Calculator extends Activity implements OnClickListener {
	private Button bt;
	private EditText et;
	private TextView textView;
	private static final String METHOD_NAME = "add";
	private static final String NAMESPACE = "http://apps.com";
	private static final String URL = "http://192.168.0.102:18802/XML/services/Calculator?wsdl";
	private SoapObject  resultsRequestSOAP = null;
	
	public void onClick(View view)   {
		textView=(TextView)findViewById(R.id.textview);
		et = (EditText) findViewById(R.id.nums);
		String etString = et.getText().toString();
		textView.setText(etString);
		

	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.calculator);
		
		bt = (Button) findViewById(R.id.calculator1);
		
		bt.setOnClickListener(this);   

		
	
	}
}

下图为最终的显示结果