下面有logcat错误请提示我哪里错了以及所有代码 [英] below have logcat errors pls suggest me where its wrong and below all codes
问题描述
logcat
06-09 07：40：37.396：E / AndroidRuntime（2328）：致命异常：主要
06-09 07：40：37.396：E / AndroidRuntime（2328）：处理：com.example.krishnaupahara，PID：2328
06-09 07：40：37.396： E / AndroidRuntime（2328）：java.lang.RuntimeException：无法启动活动ComponentInfo {com.example.krishnaupahara / com.example.krishnaupahara.BreakfastService}：java.lang.NullPointerException
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.ActivityThread.performLaunchActivity（ActivityThread.java:2195）
06-09 07：40：37.396：E / AndroidRuntime（2328） ）：在android.app.ActivityThread.handleLaunchActivity（ActivityThread.java:2245）
06-09 07：40：37.396：E / AndroidRuntime（2328）：at android.app.ActivityThread.access $ 800 （ActivityThread.java:135）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.ActivityThread $ H.handleMessage（ActivityThread.java:1196）
06-09 07：40：37.396：E / AndroidRun时间（2328）：在android.os.Handler.dispatchMessage（Handler.java:102）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.os.Looper .loop（Looper.java:136）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.ActivityThread.main（ActivityThread.java:5017）
06-09 07：40：37.396：E / AndroidRuntime（2328）：at java.lang.reflect.Method.invokeNative（Native Method）
06-09 07:40 ：37.396：E / AndroidRuntime（2328）：at java.lang.reflect.Method.invoke（Method.java:515)
06-09 07：40：37.396：E / AndroidRuntime（2328） ：at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run（ZygoteInit.java:779)
06-09 07：40：37.396：E / AndroidRuntime（2328）：at com.android .internal.os.ZygoteInit.main（ZygoteInit.java:595）
06-09 07：40：37.396：E / AndroidRuntime（2328）：at dalvik.system.NativeStart.main（Native Method） ）
06-09 07：40：37.396：E / AndroidRuntime（2328）：引起：java.lang.NullPointerException
06-09 07：40：37.396： E / A ndroidRuntime（2328）：at com.example.krishnaupahara.BreakfastService.showCountrySelection（BreakfastService.java:118)
06-09 07：40：37.396：E / AndroidRuntime（2328）：at com.example .krishnaupahara.BreakfastService.onCreate（BreakfastService.java:62）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.Activity.performCreate（Activity.java： 5231）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.Instrumentation.callActivityOnCreate（Instrumentation.java:1087）
06 -09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.ActivityThread.performLaunchActivity（ActivityThread.java:2159）
06-09 07：40：37.396：E / AndroidRuntime （2328）：... 11更多
06-09 07：40：37.506：W / ActivityManager（380）：强制完成活动com.example.krishnaupahara / .BreakfastService
java主文件
package com.example.krishnaupahara;
import java.util.ArrayList;
import beanclass.Bfs;
import beanclass.ItemVO;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class BreakfastService extends Activity {
private ListView ls;
ArrayAdapter< String> arrayAdapter;
private ArrayList< String> itemList中;
private ArrayList< Bfs>列表;
private ArrayList< ItemVO>细节;
private SharedPreferences sp;
@Override
protected void onCreate（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）;
setContentView（R.layout.breakfast_service）;
list = Utility.getmDetails（this）;
ls =（ListView）findViewById（R.id.list）;
details = new ArrayList< ItemVO>（）;
Log.d（TestTag，Services：+ list.size（））;
/ * Button myButton =（Button）this.findViewById（R.id.button12）;
myButton.setOnClickListener（new OnClickListener（）{
@Override
public void onClick（View v）{
showCountrySelection（）;
}
}）;
* /
sp = getSharedPreferences（aksp，Context.MODE_PRIVATE）;
String services = sp.getString（services，null）;
String [] itemArray = null;
itemList = new ArrayList< String>（）;
if（services == null || services.equalsIgnoreCase（））{
showCountrySelection（）;
} else {
itemArray = services.split（\\ |）;
for（String c：itemArray）{
itemList.add（c）;
}
setupScreen（）;
}
}
private void setupScreen（）{
arrayAdapter = new ArrayAdapter< String>（this，R.layout。 breakfast_service，R.id.textView）;
details.clear（）;
for（Bfs服务：列表）{
Log.d（TestTag，Inside item for loop+ itemList.size（））;
if（itemList.contains（service.getCategoryName（）））{
Log.d（TestTag，Inside item for loop's if condn）;
service.setEnabled（true）;
for（ItemVO d：service.getGetItemDetails（））{
Log.d（TestTag，每个项目的详细信息+ d.getCategoryName（））;
arrayAdapter.add（d.getCategoryName（））;
details.add（d）;
}
}
}
ls.setAdapter（新的MyAdapter（BreakfastService.this，R.id.textView，details））;
ls.setOnItemClickListener（new OnItemClickListener（）{
@Override
public void onItemClick（AdapterView<？> parent，View view，int position，
long id）{
ApplicationCache.getInstance（）。setValue（value，details.get（position））;
/ * Intent detailsIntent = new Intent（ ApnaKhata.this，BankFunctionalities.class）;
startActivity（detailsIntent）; * /
}
}）;
BreakfastService.this.getWindow（）。getDecorView（）。invalidate（）;
}
private void showCountrySelection（）{
final Dialog dialog = new Dialog（BreakfastService.this）;
dialog.setContentView（R.layout.breakfast_service）;
ListView lv =（ListView）dialog.findViewById（R.id.list）;
dialog.setCancelable（true）;
dialog.setTitle（选择服务）;
ItemListAdapter dataAdapter = new ItemListAdapter（this，R.layout.list，list）;
lv.setAdapter（dataAdapter）;
按钮myButton =（按钮）this.findViewById（R.id.button12）;
myButton.setOnClickListener（new OnClickListener（）
{
@Override
public void onClick（View v）
{
String services =;
int count = 0;
for（Bfs c：list）
{
if（c.isEnabled（ ））
{
count ++;
services = services +|+ c.getCategoryName（）;
sp.edit（）。putString（services，services）。 commit（）;
}
}
if（count == 0）{
Toast.makeText（BreakfastService.this，请选择至少一个项目 ，Toast.LENGTH_LONG）。show（）;
return;
}
itemList.clear（）;
String [] servicesArray = services。 split（\\ |）;
for（String c：servicesArray）{
itemList.add（c）;
}
dialog.dismiss（）;
setupScreen（）;
}
}）;
dialog.getWindow（）。getDecorView（）。invalidate（）;
dialog.show（）;
}
私有类MyAdapter扩展ArrayAdapter< ItemVO> {
私有上下文上下文;
private ArrayList< ItemVO>列表;
private int resId;
public MyAdapter（Context context，int textViewResourceId，ArrayList< ItemVO> list）{
super（context，textViewResourceId，list）;
this.context = context;
this.list = list;
resId = textViewResourceId;
}
@Override
public View getView（int position，View convertView，ViewGroup parent）
{
{
LayoutInflater vi =（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）;
convertView = vi.inflate（R.layout.list，null）;
}
TextView textview =（TextView）convertView.findViewById（R.id.textViewi）;
ImageView imageview =（ImageView）convertView.findViewById（R.id.imageViewi）;
Log.d（TestTag，项目名称：+ textview）;
imageview.setImageResource（list .get（position）.getItemphoto（））;
textview.setText（list .get（position）.getItemdescription（））;
/ * if（position == 0）{
textview.setVisibility（View.VISIBLE）;
textview.setText（list.get（position）.getItemdescription（））;
//header.setImageResource(list .get（position）.getItemphoto（））;
}
else if（position> 0&& position< list.size（） - 1&&！list.get（position）.getItemdescription（）。
equalsIgnoreCase（list.get（position-1）.getItemdescription（）））{
textview.setVisibility（View.VISIBLE）;
textview.setText（list.get（position）.getItemdescription（））;
}
* /
return convertView;
}
}
}
xml解析代码..
< br $> b $ b
package com.example.krishnaupahara;
import java.io.InputStream;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import beanclass。*;
import android.content.Context;
import android.util.Log;
import android.widget.ListAdapter;
import android.widget.ListView;
public class Utility
{
private static ArrayList< Bfs> mDetails;
public static void init（Context context）
{
getmDetails（context）;
}
public static ArrayList< Bfs> getmDetails（Context context）
{
if（mDetails == null）
{
mDetails = new ArrayList< Bfs>（）;
try {
Document doc = parseXML（readFromFile（bs.xml，context））;
NodeList node = doc.getElementsByTagName（Category）;
for（int i = 0; i< node.getLength（）; i ++）
{
Bfs mtype = new Bfs（）;
ArrayList< ItemVO> ServiceName = new ArrayList< ItemVO>（）;
Log.d（Test，length+ node.getLength（））;
元素e =（元素）node.item（i）;
元素categoryNameE =（元素）e.getElementsByTagName（CategoryName）。item（0）;
元素categoryCodeE =（元素）e.getElementsByTagName（CategoryCode）。item（0）;
String categoryNameS = categoryNameE.getLastChild（）。getNodeValue（）;
String categoryCodeS = categoryCodeE.getLastChild（）。getNodeValue（）;
mtype.setCategoryName（categoryNameS）;
mtype.setCategoryCode（categoryCodeS）;
Log.d（TestTag，来自XML的MerchantTypeName是：+ categoryNameS ++ categoryCodeS）;
mtype.setCategoryName（categoryNameS）;
NodeList node2 = e.getElementsByTagName（Item）;
for（int k = 0; k< node2.getLength（）; k ++）
{
ItemVO ItemS = new ItemVO（）;
Log.d（Test，length22+ node2.getLength（））;
元素mItemEl =（元素）node2.item（k）;
元素itemCodeEl =（元素）mItemEl.getElementsByTagName（Itemcode）。item（0）;
元素itemDescriptionEl =（元素）mItemEl.getElementsByTagName（Itemdesription）。item（0）;
元素itemPhotoEl =（元素）mItemEl.getElementsByTagName（Itemphoto）。item（0）;
ItemS.setItemdescription（itemDescriptionEl.getLastChild（）。getNodeValue（））;
ItemS.setItemphoto（（Integer.valueOf（itemPhotoEl.getLastChild（）。getNodeValue（））））;
ItemS.setCategoryName（categoryNameS）;
ItemS.setItemcode（itemCodeEl.getLastChild（）。getNodeValue（））;
ServiceName.add（ItemS）;
}
mtype.setGetItemDetails（ServiceName）;
mDetails.add（mtype）;
Log.d（TestTag，XML中的arraylist中的值+ mDetails.toString（））;
}
} catch（例外e）{
// TODO自动生成的catch块
e.printStackTrace（）;
}
}
返回mDetails;
} // getmDetails结束
public static Document parseXML（InputSource source）throws Exception
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance（）;
DocumentBuilder db;
Document doc = null;
try {
db = dbf.newDocumentBuilder（）;
doc = db.parse（source）;
} catch（异常e）{
// TODO自动生成的catch块
throw e;
}
返回doc;
} //结束parseXML
public static InputSource readFromFile（String fileName，Context context）
{
InputSource inputSource = null;
InputStream fIn = null;
try {
fIn = context.getResources（）。getAssets（）。open（fileName）;
inputSource = new InputSource（fIn）;
} catch（例外e）{
// TODO自动生成的catch块
e.printStackTrace（）;
}
返回inputSource;
}
}
早餐xml文件
< 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
>
< listview> android：id =@ + id / list
android：layout_width =fill_parent
android：layout_height =match_parent
android ：layout_alignParentLeft =true
android：layout_alignParentTop =true>
< Button
android：id =@ + id / button12
android：layout_width =wrap_content
android：layout_height =50dp
android ：text =@ string / addtocart/>
列表xml文件
< linearlayout xmlns：android =http://schemas.android.com/apk/res/android> android：layout_width =match_parent
android：layout_height =match_parent
android：orientation =vertical>
< linearlayout> android：id =@ + id / ll
android：layout_width =match_parent
android：layout_height =wrap_content
android ：layout_marginBottom =2dip
android：removed =＃336699>
< ImageView
android：id =@ + id / imageViewi
android：layout_width =50dip
android：layout_height =50dip
android：src =@ drawable / ic_launcher/>
< textview>
android：id =@ + id / textViewi
android：layout_width =wrap_content
android：layout_height =wrap_content
android：layout_marginLeft =5dip
android：layout_marginTop =8dip
android：text =中间文字
android：textAppearance =？android：attr / textAppearanceMedium/> ;
< checkbox>
android：id =@ + id / checkBox1
android：layout_width =wrap_content
android：layout_height = wrap_content
android：text =@ string / Checkbox/>
< linearlayout xmlns：android =http://schemas.android.com/apk/res/android> android：layout_width =match_parent
android：layout_height =match_parent
android：orientation =vertical>
< linearlayout> android：id =@ + id / ll
android：layout_width =match_parent
android：layout_height =wrap_content
android ：layout_marginBottom =2dip
android：removed =＃336699>
< ImageView
android：id =@ + id / imageViewi
android：layout_width =50dip
android：layout_height =50dip
android：src =@ drawable / ic_launcher/>
< textview>
android：id =@ + id / textViewi
android：layout_width =wrap_content
android：layout_height =wrap_content
android：layout_marginLeft =5dip
android：layout_marginTop =8dip
android：text =中间文字
android：textAppearance =？android：attr / textAppearanceMedium/> ;
< checkbox>
android：id =@ + id / checkBox1
android：layout_width =wrap_content
android：layout_height = wrap_content
android：text =@ string / Checkbox/>
800（ActivityThread.java:135）
06-09 07：40：37.396：E / AndroidRuntime（2328） ：在android.app.ActivityThread
H.handleMessage（ActivityThread.java:1196）
06-09 07：40：37.396：E / AndroidRuntime（2328） ）：在android.os.Handler.dispatchMessage（Handler.java:102）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.os.Looper.loop（ Looper.java:136)
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.ActivityThread.main（ActivityThread.java:5017）
06-09 07：40：37.396：E / AndroidRuntime（2328）：at java.lang.reflect.Method.invokeNative（Native Method）
06-09 07： 40：37.396：E / AndroidRuntime（2328）：at java.lang.reflect.Method.invoke（Method.java:515)
06-09 07：40：37.396：E / AndroidRuntime（2328） ）：在com.android.internal.os.ZygoteInit
MethodAndArgsCaller.run（ZygoteInit.java:779）
06-09 07：40：37.396： E / AndroidRuntime（2328）：at com.android.internal.os.ZygoteInit.main（ZygoteInit.java:595)
06-09 07：40：37.396：E / AndroidRuntime（2328）： at dalvik.system.NativeStart.main（Native Method）
06-09 07：40：37.396：E / AndroidRuntime（2328）：引起：java.lang.NullPointerException
06-09 07：40：37.396：E / AndroidRuntime（2328）：at com.example.krishnaupahara.BreakfastService.showCountrySelection（BreakfastService.java:118)
06-09 07:40： 37.396：E / AndroidRuntime（2328）：at com.example.krishnaupahara.BreakfastService.onCreate（BreakfastService.java:62）
06-09 07：40：37.396：E / AndroidRuntime（2328）：在android.app.Activity.performCreate（Activity.java:5231）
06-09 07 ：40：37.396：E / AndroidRuntime（2328）：在android.app.Instrumentation.callActivityOnCreate（Instrumentation.java:1087）
06-09 07：40：37.396：E / AndroidRuntime（2328） ：在android.app.ActivityThread.performLaunchActivity（ActivityThread.java:2159）
06-09 07：40：37.396：E / AndroidRuntime（2328）：... 11更多
06-09 07：40：37.506：W / ActivityManager（380）：强制完成活动com.example.krishnaupahara / .BreakfastService
java主文件
package com.example.krishnaupahara;
import java.util.ArrayList;
import beanclass.Bfs;
import beanclass.ItemVO;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class BreakfastService extends Activity {
private ListView ls;
ArrayAdapter< String> arrayAdapter;
private ArrayList< String> itemList中;
private ArrayList< Bfs>列表;
private ArrayList< ItemVO>细节;
private SharedPreferences sp;
@Override
protected void onCreate（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）;
setContentView（R.layout.breakfast_service）;
list = Utility.getmDetails（this）;
ls =（ListView）findViewById（R.id.list）;
details = new ArrayList< ItemVO>（）;
Log.d（TestTag，Services：+ list.size（））;
/ * Button myButton =（Button）this.findViewById（R.id.button12）;
myButton.setOnClickListener（new OnClickListener（）{
@Override
public void onClick（View v）{
showCountrySelection（）;
}
}）;
* /
sp = getSharedPreferences（aksp，Context.MODE_PRIVATE）;
String services = sp.getString（services，null）;
String [] itemArray = null;
itemList = new ArrayList< String>（）;
if（services == null || services.equalsIgnoreCase（））{
showCountrySelection（）;
} else {
itemArray = services.split（\\ |）;
for（String c：itemArray）{
itemList.add（c）;
}
setupScreen（）;
}
}
private void setupScreen（）{
arrayAdapter = new ArrayAdapter< String>（this，R.layout。 breakfast_service，R.id.textView）;
details.clear（）;
for（Bfs服务：列表）{
Log.d（TestTag，Inside item for loop+ itemList.size（））;
if（itemList.contains（service.getCategoryName（）））{
Log.d（TestTag，Inside item for loop's if condn）;
service.setEnabled（true）;
for（ItemVO d：service.getGetItemDetails（））{
Log.d（TestTag，每个项目的详细信息+ d.getCategoryName（））;
arrayAdapter.add（d.getCategoryName（））;
details.add（d）;
}
}
}
ls.setAdapter（新的MyAdapter（BreakfastService.this，R.id.textView，details））;
ls.setOnItemClickListener（new OnItemClickListener（）{
@Override
public void onItemClick（AdapterView<？> parent，View view，int position，
long id）{
ApplicationCache.getInstance（）。setValue（value，details.get（position））;
/ * Intent detailsIntent = new Intent（ ApnaKhata.this，BankFunctionalities.class）;
startActivity（detailsIntent）; * /
}
}）;
BreakfastService.this.getWindow（）。getDecorView（）。invalidate（）;
}
private void showCountrySelection（）{
final Dialog dialog = new Dialog（BreakfastService.this）;
dialog.setContentView（R.layout.breakfast_service）;
ListView lv =（ListView）dialog.findViewById（R.id.list）;
dialog.setCancelable（true）;
dialog.setTitle（选择服务）;
ItemListAdapter dataAdapter = new ItemListAdapter（this，R.layout.list，list）;
lv.setAdapter（dataAdapter）;
按钮myButton =（按钮）this.findViewById（R.id.button12）;
myButton.setOnClickListener（new OnClickListener（）
{
@Override
public void onClick（View v）
{
String services =;
int count = 0;
for（Bfs c：list）
{
if（c.isEnabled（ ））
{
count ++;
services = services +|+ c.getCategoryName（）;
sp.edit（）。putString（services，services）。 commit（）;
}
}
if（count == 0）{
Toast.makeText（BreakfastService.this，请选择至少一个项目 ，Toast.LENGTH_LONG）。show（）;
return;
}
itemList.clear（）;
String [] servicesArray = services。 split（\\ |）;
for（String c：servicesArray）{
itemList.add（c）;
}
dialog.dismiss（）;
setupScreen（）;
}
}）;
dialog.getWindow（）。getDecorView（）。invalidate（）;
dialog.show（）;
}
私有类MyAdapter扩展ArrayAdapter< ItemVO> {
私有上下文上下文;
private ArrayList< ItemVO>列表;
private int resId;
public MyAdapter（Context context，int textViewResourceId，ArrayList< ItemVO> list）{
super（context，textViewResourceId，list）;
this.context = context;
this.list = list;
resId = textViewResourceId;
}
@Override
public View getView（int position，View convertView，ViewGroup parent）
{
{
LayoutInflater vi =（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）;
convertView = vi.inflate（R.layout.list，null）;
}
TextView textview =（TextView）convertView.findViewById（R.id.textViewi）;
ImageView imageview =（ImageView）convertView.findViewById（R.id.imageViewi）;
Log.d（TestTag，项目名称：+ textview）;
imageview.setImageResource（list .get（position）.getItemphoto（））;
textview.setText（list .get（position）.getItemdescription（））;
/ * if（position == 0）{
textview.setVisibility（View.VISIBLE）;
textview.setText（list.get（position）.getItemdescription（））;
//header.setImageResource(list .get（position）.getItemphoto（））;
}
else if（position> 0&& position< list.size（） - 1&&！list.get（position）.getItemdescription（）。
equalsIgnoreCase（list.get（position-1）.getItemdescription（）））{
textview.setVisibility（View.VISIBLE）;
textview.setText（list.get（position）.getItemdescription（））;
}
* /
return convertView;
}
}
}
xml解析代码..
< br $> b $ b
package com.example.krishnaupahara;
import java.io.InputStream;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import beanclass。*;
import android.content.Context;
import android.util.Log;
import android.widget.ListAdapter;
import android.widget.ListView;
public class Utility
{
private static ArrayList< Bfs> mDetails;
public static void init（Context context）
{
getmDetails（context）;
}
public static ArrayList< Bfs> getmDetails（Context context）
{
if（mDetails == null）
{
mDetails = new ArrayList< Bfs>（）;
try {
Document doc = parseXML（readFromFile（bs.xml，context））;
NodeList node = doc.getElementsByTagName（Category）;
for（int i = 0; i< node.getLength（）; i ++）
{
Bfs mtype = new Bfs（）;
ArrayList< ItemVO> ServiceName = new ArrayList< ItemVO>（）;
Log.d（Test，length+ node.getLength（））;
元素e =（元素）node.item（i）;
元素categoryNameE =（元素）e.getElementsByTagName（CategoryName）。item（0）;
元素categoryCodeE =（元素）e.getElementsByTagName（CategoryCode）。item（0）;
String categoryNameS = categoryNameE.getLastChild（）。getNodeValue（）;
String categoryCodeS = categoryCodeE.getLastChild（）。getNodeValue（）;
mtype.setCategoryName（categoryNameS）;
mtype.setCategoryCode（categoryCodeS）;
Log.d（TestTag，来自XML的MerchantTypeName是：+ categoryNameS ++ categoryCodeS）;
mtype.setCategoryName（categoryNameS）;
NodeList node2 = e.getElementsByTagName（Item）;
for（int k = 0; k< node2.getLength（）; k ++）
{
ItemVO ItemS = new ItemVO（）;
Log.d（Test，length22+ node2.getLength（））;
元素mItemEl =（元素）node2.item（k）;
元素itemCodeEl =（元素）mItemEl.getElementsByTagName（Itemcode）。item（0）;
元素itemDescriptionEl =（元素）mItemEl.getElementsByTagName（Itemdesription）。item（0）;
元素itemPhotoEl =（元素）mItemEl.getElementsByTagName（Itemphoto）。item（0）;
ItemS.setItemdescription（itemDescriptionEl.getLastChild（）。getNodeValue（））;
ItemS.setItemphoto（（Integer.valueOf（itemPhotoEl.getLastChild（）。getNodeValue（））））;
ItemS.setCategoryName（categoryNameS）;
ItemS.setItemcode（itemCodeEl.getLastChild（）。getNodeValue（））;
ServiceName.add（ItemS）;
}
mtype.setGetItemDetails（ServiceName）;
mDetails.add（mtype）;
Log.d（TestTag，XML中的arraylist中的值+ mDetails.toString（））;
}
} catch（例外e）{
// TODO自动生成的catch块
e.printStackTrace（）;
}
}
返回mDetails;
} // getmDetails结束
public static Document parseXML（InputSource source）throws Exception
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance（）;
DocumentBuilder db;
Document doc = null;
try {
db = dbf.newDocumentBuilder（）;
doc = db.parse（source）;
} catch（异常e）{
// TODO自动生成的catch块
throw e;
}
返回doc;
} //结束parseXML
public static InputSource readFromFile（String fileName，Context context）
{
InputSource inputSource = null;
InputStream fIn = null;
try {
fIn = context.getResources（）。getAssets（）。open（fileName）;
inputSource = new InputSource（fIn）;
} catch（例外e）{
// TODO自动生成的catch块
e.printStackTrace（）;
}
返回inputSource;
}
}
早餐xml文件
< 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
>
< listview> android：id =@ + id / list
android：layout_width =fill_parent
android：layout_height =match_parent
android ：layout_alignParentLeft =true
android：layout_alignParentTop =true>
< Button
android：id =@ + id / button12
android：layout_width =wrap_content
android：layout_height =50dp
android ：text =@ string / addtocart/>
列表xml文件
< linearlayout xmlns：android =http://schemas.android.com/apk/res/android> android：layout_width =match_parent
android：layout_height =match_parent
android：orientation =vertical>
< linearlayout> android：id =@ + id / ll
android：layout_width =match_parent
android：layout_height =wrap_content
android ：layout_marginBottom =2dip
android：removed =＃336699>
< ImageView
android：id =@ + id / imageViewi
android：layout_width =50dip
android：layout_height =50dip
android：src =@ drawable / ic_launcher/>
< textview>
android：id =@ + id / textViewi
android：layout_width =wrap_content
android：layout_height =wrap_content
android：layout_marginLeft =5dip
android：layout_marginTop =8dip
android：text =中间文字
android：textAppearance =？android：attr / textAppearanceMedium/> ;
< checkbox>
android：id =@ + id / checkBox1
android：layout_width =wrap_content
android：layout_height = wrap_content
android：text =@ string / Checkbox/>
< linearlayout xmlns：android =http://schemas.android.com/apk/res/android> android：layout_width =match_parent
android：layout_height =match_parent
android：orientation =vertical>
< linearlayout> android：id =@ + id / ll
android：layout_width =match_parent
android：layout_height =wrap_content
android ：layout_marginBottom =2dip
android：removed =＃336699>
< ImageView
android：id =@ + id / imageViewi
android：layout_width =50dip
android：layout_height =50dip
android：src =@ drawable / ic_launcher/>
< textview>
android：id =@ + id / textViewi
android：layout_width =wrap_content
android：layout_height =wrap_content
android：layout_marginLeft =5dip
android：layout_marginTop =8dip
android：text =中间文字
android：textAppearance =？android：attr / textAppearanceMedium/> ;
< checkbox>
android：id =@ + id / checkBox1
android：layout_width =wrap_content
android：layout_height = wrap_content
android：text =@ string / Checkbox/>
logcat
06-09 07:40:37.396: E/AndroidRuntime(2328): FATAL EXCEPTION: main
06-09 07:40:37.396: E/AndroidRuntime(2328): Process: com.example.krishnaupahara, PID: 2328
06-09 07:40:37.396: E/AndroidRuntime(2328): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.krishnaupahara/com.example.krishnaupahara.BreakfastService}: java.lang.NullPointerException
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.access$800(ActivityThread.java:135)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.os.Handler.dispatchMessage(Handler.java:102)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.os.Looper.loop(Looper.java:136)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.main(ActivityThread.java:5017)
06-09 07:40:37.396: E/AndroidRuntime(2328): at java.lang.reflect.Method.invokeNative(Native Method)
06-09 07:40:37.396: E/AndroidRuntime(2328): at java.lang.reflect.Method.invoke(Method.java:515)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
06-09 07:40:37.396: E/AndroidRuntime(2328): at dalvik.system.NativeStart.main(Native Method)
06-09 07:40:37.396: E/AndroidRuntime(2328): Caused by: java.lang.NullPointerException
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.example.krishnaupahara.BreakfastService.showCountrySelection(BreakfastService.java:118)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.example.krishnaupahara.BreakfastService.onCreate(BreakfastService.java:62)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.Activity.performCreate(Activity.java:5231)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
06-09 07:40:37.396: E/AndroidRuntime(2328): ... 11 more
06-09 07:40:37.506: W/ActivityManager(380): Force finishing activity com.example.krishnaupahara/.BreakfastService
java main file
package com.example.krishnaupahara;
import java.util.ArrayList;
import beanclass.Bfs;
import beanclass.ItemVO;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class BreakfastService extends Activity {
private ListView ls;
ArrayAdapter<String> arrayAdapter;
private ArrayList<String> itemList;
private ArrayList<Bfs> list;
private ArrayList<ItemVO> details;
private SharedPreferences sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.breakfast_service);
list = Utility.getmDetails(this);
ls = (ListView)findViewById(R.id.list);
details = new ArrayList<ItemVO>();
Log.d("TestTag", "Services : "+list.size());
/*Button myButton = (Button) this.findViewById(R.id.button12);
myButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showCountrySelection();
}
});
*/
sp = getSharedPreferences("aksp", Context.MODE_PRIVATE);
String services = sp.getString("services", null);
String[] itemArray = null;
itemList = new ArrayList<String>();
if(services == null || services.equalsIgnoreCase("")){
showCountrySelection();
}else{
itemArray = services.split("\\|");
for(String c : itemArray){
itemList.add(c);
}
setupScreen();
}
}
private void setupScreen(){
arrayAdapter = new ArrayAdapter<String>(this, R.layout.breakfast_service, R.id.textView);
details.clear();
for(Bfs service: list){
Log.d("TestTag", "Inside item for loop " + itemList.size());
if(itemList.contains(service.getCategoryName())){
Log.d("TestTag", "Inside item for loop's if condn");
service.setEnabled(true);
for(ItemVO d : service.getGetItemDetails()){
Log.d("TestTag", "Details per item "+d.getCategoryName());
arrayAdapter.add(d.getCategoryName());
details.add(d);
}
}
}
ls.setAdapter(new MyAdapter(BreakfastService.this, R.id.textView, details));
ls.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
ApplicationCache.getInstance().setValue("value", details.get(position));
/* Intent detailsIntent = new Intent(ApnaKhata.this,BankFunctionalities.class);
startActivity(detailsIntent);*/
}
});
BreakfastService.this.getWindow().getDecorView().invalidate();
}
private void showCountrySelection(){
final Dialog dialog = new Dialog(BreakfastService.this);
dialog.setContentView(R.layout.breakfast_service);
ListView lv = (ListView) dialog.findViewById(R.id.list);
dialog.setCancelable(true);
dialog.setTitle("Select Services");
ItemListAdapter dataAdapter = new ItemListAdapter(this,R.layout.list, list);
lv.setAdapter(dataAdapter);
Button myButton = (Button) this.findViewById(R.id.button12);
myButton.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
String services = "";
int count = 0;
for(Bfs c : list)
{
if(c.isEnabled())
{
count++;
services = services +"|" + c.getCategoryName();
sp.edit().putString("services", services).commit();
}
}
if(count == 0){
Toast.makeText(BreakfastService.this, "Please select at least one item", Toast.LENGTH_LONG).show();
return;
}
itemList.clear();
String[] servicesArray = services.split("\\|");
for(String c : servicesArray){
itemList.add(c);
}
dialog.dismiss();
setupScreen();
}
});
dialog.getWindow().getDecorView().invalidate();
dialog.show();
}
private class MyAdapter extends ArrayAdapter<ItemVO>{
private Context context;
private ArrayList<ItemVO> list;
private int resId;
public MyAdapter(Context context, int textViewResourceId, ArrayList<ItemVO> list) {
super(context, textViewResourceId, list);
this.context = context;
this.list=list;
resId = textViewResourceId;
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
{
LayoutInflater vi = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = vi.inflate(R.layout.list, null);
}
TextView textview = (TextView) convertView.findViewById(R.id.textViewi);
ImageView imageview = (ImageView) convertView.findViewById(R.id.imageViewi);
Log.d("TestTag", "Item Name : "+textview );
imageview.setImageResource(list .get(position).getItemphoto());
textview.setText(list .get(position).getItemdescription());
/*if(position == 0){
textview.setVisibility(View.VISIBLE);
textview.setText(list.get(position).getItemdescription());
//header.setImageResource(list .get(position).getItemphoto());
}
else if(position > 0 && position < list.size()-1 && !list.get(position).getItemdescription().
equalsIgnoreCase(list.get(position-1).getItemdescription())){
textview.setVisibility(View.VISIBLE);
textview.setText(list.get(position).getItemdescription());
}
*/
return convertView;
}
}
}
xml parsing code..
package com.example.krishnaupahara;
import java.io.InputStream;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import beanclass.*;
import android.content.Context;
import android.util.Log;
import android.widget.ListAdapter;
import android.widget.ListView;
public class Utility
{
private static ArrayList<Bfs> mDetails;
public static void init(Context context)
{
getmDetails(context);
}
public static ArrayList<Bfs> getmDetails(Context context)
{
if(mDetails == null)
{
mDetails = new ArrayList<Bfs>();
try {
Document doc = parseXML(readFromFile("bs.xml",context));
NodeList node = doc.getElementsByTagName("Category");
for (int i=0; i<node.getLength(); i++)
{
Bfs mtype = new Bfs();
ArrayList<ItemVO> ServiceName = new ArrayList<ItemVO>();
Log.d("Test", "length"+node.getLength());
Element e = (Element) node.item(i);
Element categoryNameE = (Element) e.getElementsByTagName("CategoryName").item(0);
Element categoryCodeE = (Element) e.getElementsByTagName("CategoryCode").item(0);
String categoryNameS = categoryNameE.getLastChild().getNodeValue();
String categoryCodeS = categoryCodeE.getLastChild().getNodeValue();
mtype.setCategoryName(categoryNameS);
mtype.setCategoryCode(categoryCodeS);
Log.d("TestTag", "MerchantTypeName from XML is :" +categoryNameS +""+categoryCodeS );
mtype.setCategoryName(categoryNameS);
NodeList node2 = e.getElementsByTagName("Item");
for (int k=0; k<node2.getLength();k++)
{
ItemVO ItemS = new ItemVO();
Log.d("Test", "length22"+node2.getLength());
Element mItemEl = (Element) node2.item(k);
Element itemCodeEl = (Element) mItemEl.getElementsByTagName("Itemcode").item(0);
Element itemDescriptionEl = (Element) mItemEl.getElementsByTagName("Itemdesription").item(0);
Element itemPhotoEl = (Element) mItemEl.getElementsByTagName("Itemphoto").item(0);
ItemS.setItemdescription(itemDescriptionEl.getLastChild().getNodeValue());
ItemS.setItemphoto((Integer.valueOf(itemPhotoEl.getLastChild().getNodeValue())));
ItemS.setCategoryName(categoryNameS);
ItemS.setItemcode(itemCodeEl.getLastChild().getNodeValue());
ServiceName.add(ItemS);
}
mtype.setGetItemDetails(ServiceName);
mDetails.add(mtype);
Log.d("TestTag", "Values in arraylist in XML"+mDetails.toString());
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return mDetails;
}// End of getmDetails
public static Document parseXML(InputSource source) throws Exception
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db;
Document doc = null;
try {
db = dbf.newDocumentBuilder();
doc = db.parse(source);
} catch (Exception e) {
// TODO Auto-generated catch block
throw e;
}
return doc;
}// End of parseXML
public static InputSource readFromFile(String fileName, Context context)
{
InputSource inputSource = null;
InputStream fIn = null;
try {
fIn = context.getResources().getAssets().open(fileName);
inputSource = new InputSource(fIn);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return inputSource;
}
}
breakfast xml file
<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"
>
<listview> android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" >
<Button
android:id="@+id/button12"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:text="@string/addtocart" />
list xml file
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<linearlayout> android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="2dip"
android:removed="#336699" >
<ImageView
android:id="@+id/imageViewi"
android:layout_width="50dip"
android:layout_height="50dip"
android:src="@drawable/ic_launcher" />
<textview>
android:id="@+id/textViewi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dip"
android:layout_marginTop="8dip"
android:text="Middle Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<checkbox>
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Checkbox" />
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<linearlayout> android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="2dip"
android:removed="#336699" >
<ImageView
android:id="@+id/imageViewi"
android:layout_width="50dip"
android:layout_height="50dip"
android:src="@drawable/ic_launcher" />
<textview>
android:id="@+id/textViewi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dip"
android:layout_marginTop="8dip"
android:text="Middle Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<checkbox>
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Checkbox" />
800(ActivityThread.java:135)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread
H.handleMessage(ActivityThread.java:1196)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.os.Handler.dispatchMessage(Handler.java:102)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.os.Looper.loop(Looper.java:136)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.main(ActivityThread.java:5017)
06-09 07:40:37.396: E/AndroidRuntime(2328): at java.lang.reflect.Method.invokeNative(Native Method)
06-09 07:40:37.396: E/AndroidRuntime(2328): at java.lang.reflect.Method.invoke(Method.java:515)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.android.internal.os.ZygoteInit
MethodAndArgsCaller.run(ZygoteInit.java:779)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
06-09 07:40:37.396: E/AndroidRuntime(2328): at dalvik.system.NativeStart.main(Native Method)
06-09 07:40:37.396: E/AndroidRuntime(2328): Caused by: java.lang.NullPointerException
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.example.krishnaupahara.BreakfastService.showCountrySelection(BreakfastService.java:118)
06-09 07:40:37.396: E/AndroidRuntime(2328): at com.example.krishnaupahara.BreakfastService.onCreate(BreakfastService.java:62)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.Activity.performCreate(Activity.java:5231)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-09 07:40:37.396: E/AndroidRuntime(2328): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
06-09 07:40:37.396: E/AndroidRuntime(2328): ... 11 more
06-09 07:40:37.506: W/ActivityManager(380): Force finishing activity com.example.krishnaupahara/.BreakfastService
java main file
package com.example.krishnaupahara; import java.util.ArrayList; import beanclass.Bfs; import beanclass.ItemVO; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.SharedPreferences; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class BreakfastService extends Activity { private ListView ls; ArrayAdapter<String> arrayAdapter; private ArrayList<String> itemList; private ArrayList<Bfs> list; private ArrayList<ItemVO> details; private SharedPreferences sp; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.breakfast_service); list = Utility.getmDetails(this); ls = (ListView)findViewById(R.id.list); details = new ArrayList<ItemVO>(); Log.d("TestTag", "Services : "+list.size()); /*Button myButton = (Button) this.findViewById(R.id.button12); myButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { showCountrySelection(); } }); */ sp = getSharedPreferences("aksp", Context.MODE_PRIVATE); String services = sp.getString("services", null); String[] itemArray = null; itemList = new ArrayList<String>(); if(services == null || services.equalsIgnoreCase("")){ showCountrySelection(); }else{ itemArray = services.split("\\|"); for(String c : itemArray){ itemList.add(c); } setupScreen(); } } private void setupScreen(){ arrayAdapter = new ArrayAdapter<String>(this, R.layout.breakfast_service, R.id.textView); details.clear(); for(Bfs service: list){ Log.d("TestTag", "Inside item for loop " + itemList.size()); if(itemList.contains(service.getCategoryName())){ Log.d("TestTag", "Inside item for loop's if condn"); service.setEnabled(true); for(ItemVO d : service.getGetItemDetails()){ Log.d("TestTag", "Details per item "+d.getCategoryName()); arrayAdapter.add(d.getCategoryName()); details.add(d); } } } ls.setAdapter(new MyAdapter(BreakfastService.this, R.id.textView, details)); ls.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { ApplicationCache.getInstance().setValue("value", details.get(position)); /* Intent detailsIntent = new Intent(ApnaKhata.this,BankFunctionalities.class); startActivity(detailsIntent);*/ } }); BreakfastService.this.getWindow().getDecorView().invalidate(); } private void showCountrySelection(){ final Dialog dialog = new Dialog(BreakfastService.this); dialog.setContentView(R.layout.breakfast_service); ListView lv = (ListView) dialog.findViewById(R.id.list); dialog.setCancelable(true); dialog.setTitle("Select Services"); ItemListAdapter dataAdapter = new ItemListAdapter(this,R.layout.list, list); lv.setAdapter(dataAdapter); Button myButton = (Button) this.findViewById(R.id.button12); myButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { String services = ""; int count = 0; for(Bfs c : list) { if(c.isEnabled()) { count++; services = services +"|" + c.getCategoryName(); sp.edit().putString("services", services).commit(); } } if(count == 0){ Toast.makeText(BreakfastService.this, "Please select at least one item", Toast.LENGTH_LONG).show(); return; } itemList.clear(); String[] servicesArray = services.split("\\|"); for(String c : servicesArray){ itemList.add(c); } dialog.dismiss(); setupScreen(); } }); dialog.getWindow().getDecorView().invalidate(); dialog.show(); } private class MyAdapter extends ArrayAdapter<ItemVO>{ private Context context; private ArrayList<ItemVO> list; private int resId; public MyAdapter(Context context, int textViewResourceId, ArrayList<ItemVO> list) { super(context, textViewResourceId, list); this.context = context; this.list=list; resId = textViewResourceId; } @Override public View getView(int position, View convertView, ViewGroup parent) { { LayoutInflater vi = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = vi.inflate(R.layout.list, null); } TextView textview = (TextView) convertView.findViewById(R.id.textViewi); ImageView imageview = (ImageView) convertView.findViewById(R.id.imageViewi); Log.d("TestTag", "Item Name : "+textview ); imageview.setImageResource(list .get(position).getItemphoto()); textview.setText(list .get(position).getItemdescription()); /*if(position == 0){ textview.setVisibility(View.VISIBLE); textview.setText(list.get(position).getItemdescription()); //header.setImageResource(list .get(position).getItemphoto()); } else if(position > 0 && position < list.size()-1 && !list.get(position).getItemdescription(). equalsIgnoreCase(list.get(position-1).getItemdescription())){ textview.setVisibility(View.VISIBLE); textview.setText(list.get(position).getItemdescription()); } */ return convertView; } } }
xml parsing code..
package com.example.krishnaupahara; import java.io.InputStream; import java.util.ArrayList; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import beanclass.*; import android.content.Context; import android.util.Log; import android.widget.ListAdapter; import android.widget.ListView; public class Utility { private static ArrayList<Bfs> mDetails; public static void init(Context context) { getmDetails(context); } public static ArrayList<Bfs> getmDetails(Context context) { if(mDetails == null) { mDetails = new ArrayList<Bfs>(); try { Document doc = parseXML(readFromFile("bs.xml",context)); NodeList node = doc.getElementsByTagName("Category"); for (int i=0; i<node.getLength(); i++) { Bfs mtype = new Bfs(); ArrayList<ItemVO> ServiceName = new ArrayList<ItemVO>(); Log.d("Test", "length"+node.getLength()); Element e = (Element) node.item(i); Element categoryNameE = (Element) e.getElementsByTagName("CategoryName").item(0); Element categoryCodeE = (Element) e.getElementsByTagName("CategoryCode").item(0); String categoryNameS = categoryNameE.getLastChild().getNodeValue(); String categoryCodeS = categoryCodeE.getLastChild().getNodeValue(); mtype.setCategoryName(categoryNameS); mtype.setCategoryCode(categoryCodeS); Log.d("TestTag", "MerchantTypeName from XML is :" +categoryNameS +""+categoryCodeS ); mtype.setCategoryName(categoryNameS); NodeList node2 = e.getElementsByTagName("Item"); for (int k=0; k<node2.getLength();k++) { ItemVO ItemS = new ItemVO(); Log.d("Test", "length22"+node2.getLength()); Element mItemEl = (Element) node2.item(k); Element itemCodeEl = (Element) mItemEl.getElementsByTagName("Itemcode").item(0); Element itemDescriptionEl = (Element) mItemEl.getElementsByTagName("Itemdesription").item(0); Element itemPhotoEl = (Element) mItemEl.getElementsByTagName("Itemphoto").item(0); ItemS.setItemdescription(itemDescriptionEl.getLastChild().getNodeValue()); ItemS.setItemphoto((Integer.valueOf(itemPhotoEl.getLastChild().getNodeValue()))); ItemS.setCategoryName(categoryNameS); ItemS.setItemcode(itemCodeEl.getLastChild().getNodeValue()); ServiceName.add(ItemS); } mtype.setGetItemDetails(ServiceName); mDetails.add(mtype); Log.d("TestTag", "Values in arraylist in XML"+mDetails.toString()); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } return mDetails; }// End of getmDetails public static Document parseXML(InputSource source) throws Exception { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db; Document doc = null; try { db = dbf.newDocumentBuilder(); doc = db.parse(source); } catch (Exception e) { // TODO Auto-generated catch block throw e; } return doc; }// End of parseXML public static InputSource readFromFile(String fileName, Context context) { InputSource inputSource = null; InputStream fIn = null; try { fIn = context.getResources().getAssets().open(fileName); inputSource = new InputSource(fIn); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return inputSource; } }
breakfast xml file
<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"
>
<listview> android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" >
<Button
android:id="@+id/button12"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:text="@string/addtocart" />
list xml file
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<linearlayout> android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="2dip"
android:removed="#336699" >
<ImageView
android:id="@+id/imageViewi"
android:layout_width="50dip"
android:layout_height="50dip"
android:src="@drawable/ic_launcher" />
<textview>
android:id="@+id/textViewi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dip"
android:layout_marginTop="8dip"
android:text="Middle Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<checkbox>
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Checkbox" />
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<linearlayout> android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="2dip"
android:removed="#336699" >
<ImageView
android:id="@+id/imageViewi"
android:layout_width="50dip"
android:layout_height="50dip"
android:src="@drawable/ic_launcher" />
<textview>
android:id="@+id/textViewi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dip"
android:layout_marginTop="8dip"
android:text="Middle Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
<checkbox>
android:id="@+id/checkBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/Checkbox" />
这篇关于下面有logcat错误请提示我哪里错了以及所有代码的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
