2011年口试整理 - 二月22日自定义Dialog - 在google舆图上画出两点的行走路线

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▪2011年口试整理 2011年面试整理 1.博彦科技1. 线程(新建,就绪,运行,阻塞,死亡)2. Public作用域,private,package(默认),protected3. 重写与重载的区别4. Sql语句与优化5. Strust1与structs2的区别6. Spring的ioc与面向切面编程(a.........

▪ 二月22日自定义Dialog 2月22日自定义Dialog 效果图：[img][/img]工程结构图：[img][/img]dialog.xml<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/re.........

▪ 在google舆图上画出两点的行走路线在google地图上画出两点的行走路线新建一个图层 package com.android.antkingwei.google.direction; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Point; impo.........

[1]2011年口试整理

来源: 互联网发布时间: 2014-02-18

2011年面试整理
1.博彦科技
1. 线程(新建,就绪,运行,阻塞,死亡)
2. Public作用域,private,package(默认),protected
3. 重写与重载的区别
4. Sql语句与优化
5. Strust1与structs2的区别
6. Spring的ioc与面向切面编程(aop)
7. 八种基本类型(byte,int,char,long,float,double,Boolean,short(一个字符，2个字节=16位))
8. 栈:后进先出,堆是栈的一个组成元素
9. 存储过程，预编译的sql语句,速度快
Eg:
   Create or replace procedure
        As
             变量声明
          Begin…..
Exception…
When …..
    ….. 错误处理

2.博安达
1.oracle查询在一个星期内…..
2.io流复制一个小时内的文件夹道另外一个文件夹
3.js全选与否
         Function checkall(boolvalue){
           Var allcheckBoxs =document.getElementsByName(“isBuy”);
           For(var i=0;i<allcheckBox.length;i++){
               If(allcheckBOx[i].type==”checkbox”){
                      allcheckBox[i].checked=boolvalue;
}
}
}
4.servlet生命周期
5.structs1的配置文件与相关重要组件
6.structs1与structs2的标签及区别
7.注解的主要作用(主键,外键,一对多,多对一)
8.svn,junit

3.易思博
1.IO流2.读取xml,3.ssh,4.接口跟抽象类的区别5.ioc与aop的特点与作用6.extjs,jquery,ajax原理与执行顺序

4.凯瑞银行
   1.3公斤与5公斤水桶怎么称出4公斤水
   2.jsp内置对象,3.list,vector,map的区别
4.编写一个signton,5.ejb,jdbc链接6.hibernate缓存实现(get,load的区别，一级缓存，二级缓存
7.冒泡排序

    Int[] scores=[90,80,90,92,95];
        For(i=0;i<scores.length-1;i++){
           If(socre[i]>scores[i++]){
                Temp =score[i];
                Score[j]=score[i];
Score[j+1]=temp;
}

}
8.ajax原理

4.软通动力
   1.hashmap与hashtable的区别
2.oracle(存储过程,function,游标1)
3.数据库优化，sql优化
4.ioc,aop的作用与特点
5.structs1与structs2的区别,hibernate中get与load的区别
6.webservices是什么有什么作用

5.中软
1.读取信息
2.sql查询(学生表,课程表,分数表)

5.雁联计算机系统
1.接口跟抽象类的区别有优点
2.编写一个线程的队列
3.数据库连接池工作原理
4.string,stringbuilder,stringbufer的区别
5.sleep与waiter的区别
6.jquery怎么从后台取数据
7.hibernate缓存的实现机制

[2] 二月22日自定义Dialog

来源: 互联网发布时间: 2014-02-18

2月22日自定义Dialog
效果图：
[img]

[/img]

工程结构图：
[img]

[/img]

dialog.xml

<?xml version="1.0" encoding="utf-8"?>
	<!-- 新表箱管理==自定义Dialog -->
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:orientation="vertical">

	<LinearLayout
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:orientation="vertical"
		android:padding="6dip">
		<TextView
			android:text="提示"
			android:layout_height="wrap_content"
			android:layout_width="fill_parent"
			android:gravity="center_horizontal"
			/>
			
		<TextView
			android:text="此用户为一户多表，请输入钢印号后四位或六位查询"
			
			android:layout_marginTop="10dp"
			android:layout_height="wrap_content"
			android:layout_width="fill_parent"
			
			android:id="@+id/newbox_tv_dialog" />
		<EditText
			android:layout_height="wrap_content"
			android:id="@+id/newbox_et_dialog_madeno"
			
			android:inputType="number"
			android:singleLine="true"
			android:layout_marginTop="10dp"
			android:layout_width="fill_parent" />


	</LinearLayout>

	<LinearLayout
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:orientation="horizontal"
		android:gravity="center_horizontal">
		<Button
			android:text="确定"
			
			android:id="@+id/newbox_btn_dialog_confirm"
			android:layout_weight="1"
			android:gravity="center"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content" />
		<Button
			android:text="取消"
			
			android:id="@+id/newbox_btn_dialog_cancel"
			android:layout_weight="1"
			android:gravity="center"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content" />
	</LinearLayout>
</LinearLayout>

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:orientation="vertical"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent">
	<TextView
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:text="@string/hello" />
	<Button
		android:text="Button"
		android:id="@+id/button1"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content" />
</LinearLayout>

color.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
  	 <color name="color_dark_grey">#808080</color>

    <color name="color_black">#000000</color>

    <color name="color_green">#00FF00</color>

    <color name="color_red">#FF0000</color>

    <color name="color_white">#FFFFFF</color>
  
</resources>

style.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    
   <!-- 正文区背景色--> 
   <style name="bgColor" >
      <item name="android:background">#ffffff</item>    
   </style> 
  	<style name="StyContent"> 
  		<item name="android:textSize">18px</item> 
   		<item name="android:textColor">#000000</item>   
   </style>
  <style name="StyTitle"> 
  		<item name="android:textSize">24dip</item> 
   		<item name="android:textColor">#000000</item>   
   </style>
    <style name="StyButton"> 
  		<item name="android:textSize">24dip</item> 
   		<item name="android:textColor">#303030</item>   
   </style>
   <!-- Define the list items style begin -->
    <style name="list_item_seperator_layout">
        <item name="android:layout_width">fill_parent</item>
        <item name="android:layout_height">1dip</item>
        <item name="android:background">@color/color_dark_grey</item>
    </style>
    <style name="list_item_cell_seperator_layout">
        <item name="android:layout_width">1dip</item>
        <item name="android:layout_height">fill_parent</item>
        <item name="android:background">@color/color_dark_grey</item>
    </style>
    <style name="list_item_header_seperator_layout">
        <item name="android:layout_width">1dip</item>
        <item name="android:layout_height">40dip</item>
        <item name="android:background">@color/color_dark_grey</item>
    </style>
    <!-- Define the list items style end --> 
    <style name="MyDialog" parent="@android:Theme.Dialog">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowNoTitle">true</item> 
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
    </style>
        
</resources>

MainActivity

package com.zzl.dialog;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button btn = (Button) findViewById(R.id.button1);
        btn.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				//初始化一个自定义的Dialog
				LayoutInflater factory = LayoutInflater.from(MainActivity.this);
				final View DialogView = factory.inflate(R.layout.dialog, null);
				final Dialog dialog = new Dialog(MainActivity.this,R.style.MyDialog);
				dialog.setContentView(DialogView);
				dialog.show();
				final EditText et = (EditText) DialogView.findViewById(R.id.newbox_et_dialog_madeno);
				Button btn = (Button) DialogView.findViewById(R.id.newbox_btn_dialog_confirm);
				btn.setOnClickListener(new OnClickListener() {
					
					@Override
					public void onClick(View arg0) {
						String str = et.getText().toString();
						dialog.cancel();
						Toast.makeText(getApplicationContext(), "测试="+str, 0).show();
					}
				});
			}
		});
    }
}

[3] 在google舆图上画出两点的行走路线

来源: 互联网发布时间: 2014-02-18

在google地图上画出两点的行走路线

新建一个图层

package com.android.antkingwei.google.direction;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.Projection;

public class DirectionPathOverlay extends Overlay {
	   private GeoPoint gp1;
	   private GeoPoint gp2;

	   public DirectionPathOverlay(GeoPoint gp1, GeoPoint gp2) {
	      this.gp1 = gp1;
	      this.gp2 = gp2;
	   }

	   @Override
	   public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) {
		   Projection projection = mapView.getProjection();
		   if(shadow == false) {
		     Paint paint = new Paint();
		     paint.setAntiAlias(true);
		     Point point = new Point();
		     projection.toPixels(gp1, point);
		     paint.setColor(Color.BLUE);
		     Point point2 = new Point();
		     projection.toPixels(gp2, point2);
		     paint.setStrokeWidth(2);
		     canvas.drawLine((float) point.x, (float) point.y, (float) point2.x, (float) point2.y, paint);
		   }
		   return super.draw(canvas, mapView, shadow, when);
	   }

	   @Override
	   public void draw(Canvas canvas, MapView mapView, boolean shadow) {
	      super.draw(canvas, mapView, shadow);
	   }
	}

主类

package com.android.antkingwei.google.direction;

import java.net.HttpURLConnection;
import java.net.URL;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

public class MainActivity extends MapActivity {
	private MapView myMapView;
	private GeoPoint geoPoint;
	private MapController myMC;
	private String[] pairs;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
        myMapView = (MapView) findViewById(R.id.mapview);
    	geoPoint = null;
    	myMapView.setSatellite(false);
    	//通过地名
    	//pairs = getDirectionData("ahmedabad", "vadodara");
    	//通过四个坐标
        pairs = getUrl(/blog_article/22.5348,113.97246,35.422006,119.524095);
    	String[] lngLat = pairs[0].split(",");
    	// STARTING POINT
    	GeoPoint startGP = new GeoPoint((int)(Double.parseDouble(lngLat[1]) * 1E6), (int) (Double.parseDouble(lngLat[0]) * 1E6));
    	myMC = myMapView.getController();
    	geoPoint = startGP;
    	myMC.setCenter(geoPoint);
    	myMC.setZoom(8);
    	myMapView.getOverlays().add(new DirectionPathOverlay(startGP, startGP));
    	// NAVIGATE THE PATH
    	GeoPoint gp1;
    	GeoPoint gp2 = startGP;
    	for (int i = 1; i < pairs.length; i++) {
    		lngLat = pairs[i].split(",");
    		gp1 = gp2;
    		// watch out! For GeoPoint, first:latitude, second:longitude
    		gp2 = new GeoPoint((int) (Double.parseDouble(lngLat[1]) * 1E6),(int) (Double.parseDouble(lngLat[0]) * 1E6));
    		myMapView.getOverlays().add(new DirectionPathOverlay(gp1, gp2));
    		Log.d("xxx", "pair:" + pairs[i]);
    		}
    	// END POINT
    	myMapView.getOverlays().add(new DirectionPathOverlay(gp2, gp2));
    	myMapView.getController().animateTo(startGP);
    	myMapView.setBuiltInZoomControls(true);
    	myMapView.displayZoomControls(true);
        
    }
	@Override
	protected boolean isRouteDisplayed() {
		// TODO Auto-generated method stub
		return false;
	}
	/**
	 * 通过四个坐标点，获得KML然后通过DOM解析
	 * @param fromLat
	 * @param fromLon
	 * @param toLat
	 * @param toLon
	 * @return
	 */
	public String[] getUrl(/blog_article/double fromLat,double fromLon,double toLat,double toLon/index.html){
		   String urlString = "http://maps.google.com/maps?f=d&hl=en&saddr="+fromLat+","+fromLon+"&daddr="+toLat+","+toLon+"&ie=UTF8&0&om=0&output=kml";
		   Log.d("URL", urlString);
		   Document doc = null;
		   HttpURLConnection urlConnection = null;
		   URL url = null;
		   String pathConent = "";

		   try{
		      url = new URL(urlString.toString());
		      urlConnection = (HttpURLConnection) url.openConnection();
		      urlConnection.setRequestMethod("GET");
		      urlConnection.setDoOutput(true);
		      urlConnection.setDoInput(true);
		      urlConnection.connect();
		      DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		      DocumentBuilder db = dbf.newDocumentBuilder();
		      doc = db.parse(urlConnection.getInputStream());
		   } catch (Exception e){}
		   NodeList nl = doc.getElementsByTagName("LineString");
		   for(int s=0; s< nl.getLength(); s++){
		      Node rootNode = nl.item(s);
		      NodeList configItems = rootNode.getChildNodes();
		      for(int x=0; x < configItems.getLength(); x++) {
		         Node lineStringNode = configItems.item(x);
		         NodeList path = lineStringNode.getChildNodes();
		         pathConent = path.item(0).getNodeValue();
		      }
		   }
		   String[] tempContent = pathConent.split(" ");
		   return tempContent;
	}
	/**
	 * 通过连个地名获得KML然后进行DOM解析
	 * @param srcPlace
	 * @param destPlace
	 * @return
	 */
	private String[] getDirectionData(String srcPlace, String destPlace) {
		   String urlString = "http://maps.google.com/maps?f=d&hl=en&saddr="+srcPlace+"&daddr="+destPlace+"&ie=UTF&om=0&output=kml";
		   Log.d("URL", urlString);
		   Document doc = null;
		   HttpURLConnection urlConnection = null;
		   URL url = null;
		   String pathConent = "";
		   try{
		      url = new URL(urlString.toString());
		      urlConnection = (HttpURLConnection) url.openConnection();
		      urlConnection.setRequestMethod("GET");
		      urlConnection.setDoOutput(true);
		      urlConnection.setDoInput(true);
		      urlConnection.connect();
		      DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		      DocumentBuilder db = dbf.newDocumentBuilder();
		      doc = db.parse(urlConnection.getInputStream());
		   } catch (Exception e){}
		   NodeList nl = doc.getElementsByTagName("LineString");
		   for(int s=0; s< nl.getLength(); s++){
		      Node rootNode = nl.item(s);
		      NodeList configItems = rootNode.getChildNodes();
		      for(int x=0; x < configItems.getLength(); x++) {
		         Node lineStringNode = configItems.item(x);
		         NodeList path = lineStringNode.getChildNodes();
		         pathConent = path.item(0).getNodeValue();
		      }
		   }
		   String[] tempContent = pathConent.split(" ");
		   return tempContent;
		}
}