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   源码介绍

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package com.wy.android.mp.infocollect;

import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import com.wy.android.mp.R;
import com.wy.android.util.HttpUtil;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Looper;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;


/**
 * 机动车违章信息采集界面
 * */

public class VehicleInfoCollActivity extends Activity {
	
	private EditText myEditText1,myEditText2,myEditText3,myEditText4;
	private Spinner mySpinner ;
	private Button cancelBtn,submitBtn;
	private ProgressDialog progressDialog;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		
		setContentView(R.layout.vehicle_info_collect);
		
		myEditText1 = (EditText)findViewById(R.id.nameEditText);
		myEditText2 = (EditText)findViewById(R.id.idnoEditText);
		myEditText3 = (EditText)findViewById(R.id.licenseEditText);
		myEditText4 = (EditText)findViewById(R.id.penaltyEditText);
		
		mySpinner = (Spinner)findViewById(R.id.faultRecordSpinner);
		
		cancelBtn = (Button)findViewById(R.id.cancelButton);
		submitBtn = (Button)findViewById(R.id.submitButton);
		
		cancelBtn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				finish();
			}
		});
		
		submitBtn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				if(validate()){
					if(submit()){
						progressDialog=new ProgressDialog(VehicleInfoCollActivity.this);
						// 设置进度条风格，风格为圆形，旋转的 
						progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
						progressDialog.setTitle("请稍后");
						progressDialog.setMessage("正在提交中.......");
						//设置不显示进度值
						progressDialog.setIndeterminate(false);
						//设置按退回键取消
						progressDialog.setCancelable(true);
						progressDialog.show();
						new Thread(){
							public void run() {
								try {
									Thread.sleep(3000);
								} catch (InterruptedException e) {
									// TODO Auto-generated catch block
									e.printStackTrace();
								}
								progressDialog.cancel();
							}
						}.start();
						new Thread(){
							public void run() {
								try {
									Looper.prepare();
									Thread.sleep(3500);
									showAlert("提交成功！");
									Looper.loop();
								} catch (InterruptedException e) {
									e.printStackTrace();
								}
							}
						}.start();
						
					}else{
						progressDialog=new ProgressDialog(VehicleInfoCollActivity.this);
						// 设置进度条风格，风格为圆形，旋转的 
						progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
						progressDialog.setTitle("请稍后");
						progressDialog.setMessage("正在提交中.......");
						//设置不显示进度值
						progressDialog.setIndeterminate(false);
						//设置按退回键取消
						progressDialog.setCancelable(true);
						progressDialog.show();
						new Thread(){
							public void run() {
								try {
									Thread.sleep(3000);
								} catch (InterruptedException e) {
									// TODO Auto-generated catch block
									e.printStackTrace();
								}
								progressDialog.cancel();
							}
						}.start();
						new Thread(){
							public void run() {
								try {
									Looper.prepare();
									Thread.sleep(3500);
									showAlert("提交失败！");
									Looper.loop();
								} catch (InterruptedException e) {
									e.printStackTrace();
								}
							}
						}.start();	
					}
				}else{
					showAlert("输入错误，请重新输入！");
				}
			}
		});
	}
	    //显示对话框
		private void showAlert(String msg){
			AlertDialog.Builder builder = new AlertDialog.Builder(this);
			builder.setMessage(msg)
			       .setCancelable(false)
			       .setPositiveButton("确定", new DialogInterface.OnClickListener() {
			           public void onClick(DialogInterface dialog, int id) {
			           }
			       });
			AlertDialog alert = builder.create();
			alert.show();
		}
		
		//封装要提交的参数
		private UrlEncodedFormEntity makeEntity(){
			String name = myEditText1.getText().toString();
			String idno = myEditText2.getText().toString();
			String license = myEditText3.getText().toString();
			String penalty = myEditText4.getText().toString();
			
			String faultRecord = mySpinner.getSelectedItem().toString();
			List<NameValuePair> params = new ArrayList<NameValuePair>();
			
			Date date = new Date();
			String dateStr = new SimpleDateFormat("yy-MM-dd HH:mm").format(date);
			
			
			params.add(new BasicNameValuePair("name", name));
			params.add(new BasicNameValuePair("idno", idno));
			params.add(new BasicNameValuePair("license", license));
			params.add(new BasicNameValuePair("penalty", penalty));
			params.add(new BasicNameValuePair("faultRecord", faultRecord));
			params.add(new BasicNameValuePair("createTime", dateStr));
			
			
			try {
				return new UrlEncodedFormEntity(params,HTTP.UTF_8);
			} catch (UnsupportedEncodingException e) {
				e.printStackTrace();
			}
			
			return null;
		}
		
		//验证非空
		private boolean validate(){
			
			return true;
		}
		
		//提交请求
		private boolean submit(){
			String url = HttpUtil.BASE_URL "servlet/VehicleFaultInfoServlet";
			
			HttpPost request = HttpUtil.getHttpPost(url);
			//设置请求参数项
			request.setEntity(makeEntity());
			//返回的结果
			String result= HttpUtil.queryStringForPost(request);
			if(result!=null&&result.equals("1"))return true;
			
			return false;
		}
		
		
	}