Android EndLessAdapter和自定义碎片列表

Android EndLessAdapter和自定义碎片列表,android,fragment,cwac-endless,Android,Fragment,Cwac Endless,我试图在一个片段中使用这个示例(),但遇到了一些问题 class DataAdapter extends EndlessAdapter { private RotateAnimation rotate=null; ArrayList tempList = new ArrayList(); CustomAdapter() { super(new CustomArrayAdapter(EndlessCustom.this, android.R.layout.simple_list_item_1,

我试图在一个片段中使用这个示例(),但遇到了一些问题

class DataAdapter extends EndlessAdapter {
private RotateAnimation rotate=null;
ArrayList tempList = new ArrayList();

CustomAdapter() {
super(new CustomArrayAdapter(EndlessCustom.this, 
android.R.layout.simple_list_item_1, android.R.id.text1, eventsSub));

// problem at CustomArrayAdapter

rotate=new RotateAnimation(0f, 360f, Animation.RELATIVE_TO_SELF,
0.5f, Animation.RELATIVE_TO_SELF,
0.5f);
rotate.setDuration(600);
rotate.setRepeatMode(Animation.RESTART);
rotate.setRepeatCount(Animation.INFINITE);
}
构造函数EndlessCustom.CustomArrayAdapter(EndlessCustom,int, int,ArrayList)未定义“

我怀疑这是一个背景问题,虽然我正在努力工作,但如果你能给我任何关于如何解决这个问题的建议,我将不胜感激。谢谢

编辑-整个班级

// http://droidista.blogspot.co.uk/2011/04/using-cwacs-endlessadapter-with-custom.html

import java.util.ArrayList;
import java.util.List;

import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import com.commonsware.cwac.endless.EndlessAdapter;

public class EndlessCustom extends Fragment {

 static int LIST_SIZE;
 private int mLastOffset = 0;

 static final int BATCH_SIZE = 10;

 ArrayList<String> eventsSub = new ArrayList<String>();

 @Override
 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     View root = inflater.inflate(R.layout.fragment_dod_events, container, false);
  //Do Stuff Here
     init();
     return root;
 }

 private void init() {
  LIST_SIZE = EVENTS.length;  
  for (int i=0; i<=BATCH_SIZE; i++){
   eventsSub.add(EVENTS[i]);   
  }
  setLastOffset(BATCH_SIZE);
  displayList(eventsSub);
 }

 private void setLastOffset(int i) {
  mLastOffset = i;  
 }

 private int getLastOffset(){
  return mLastOffset;
 }

 private void displayList(ArrayList<String> eventsSub) {  
  setListAdapter(new DataAdapter());
 }

 private class CustomArrayAdapter extends ArrayAdapter<String>{

  public CustomArrayAdapter(Context endlessCustom, int resource,
    int textViewResourceId, List<String> objects) {
   super(endlessCustom, resource, textViewResourceId, objects);
  }  

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {

   ViewHolder holder;    

   if(convertView==null){
    // http://stackoverflow.com/questions/4321343/android-getsystemservice-inside-custom-arrayadapter   
    LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    //EndlessCustom.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    convertView = inflater.inflate(android.R.layout.simple_list_item_1, null);
    holder = new ViewHolder();
    holder.word = (TextView)convertView.findViewById(android.R.id.text1);

    convertView.setTag(holder);
   } else{
    holder=(ViewHolder)convertView.getTag();
   }

   holder.word.setText(String.valueOf(position+1) + ". " + eventsSub.get(position));
   return convertView;
  }

  public class ViewHolder{
   public TextView word;        
  }  
 }





 class DataAdapter extends EndlessAdapter {
  private RotateAnimation rotate=null;
  ArrayList<String> tempList = new ArrayList<String>();

  DataAdapter() {
   super(new CustomArrayAdapter(EndlessCustom.this, 
     android.R.layout.simple_list_item_1, android.R.id.text1, eventsSub));

   // problem at CustomArrayAdapter

   rotate=new RotateAnimation(0f, 360f, Animation.RELATIVE_TO_SELF,
     0.5f, Animation.RELATIVE_TO_SELF,
     0.5f);
   rotate.setDuration(600);
   rotate.setRepeatMode(Animation.RESTART);
   rotate.setRepeatCount(Animation.INFINITE);
  }






  @Override
  protected View getPendingView(ViewGroup parent) {

   View row=getLayoutInflater().inflate(R.layout.row, null);

   View child=row.findViewById(android.R.id.text1);
   child.setVisibility(View.GONE);
   child=row.findViewById(R.id.throbber);
   child.setVisibility(View.VISIBLE);
   child.startAnimation(rotate);

   return(row);
  }

  @Override
  protected boolean cacheInBackground() {
      // update here to get data method rather than string
      // ParseJSONurl
   tempList.clear();
   int lastOffset = getLastOffset();
   if(lastOffset < LIST_SIZE){
    int limit = lastOffset + BATCH_SIZE;
    for(int i=(lastOffset+1); (i<=limit && i<LIST_SIZE); i++){
     tempList.add(EVENTS[i]);
    }    
    setLastOffset(limit);

    if(limit<LIST_SIZE){
     return true;
    } else {
     return false;
    }
   } else  {
    return false;
   }
  }


  @Override
  protected void appendCachedData() {

   @SuppressWarnings("unchecked")
   ArrayAdapter<String> arrAdapterNew = (ArrayAdapter<String>)getWrappedAdapter();

   int listLen = tempList.size();
   for(int i=0; i<listLen; i++){
    arrAdapterNew.add(tempList.get(i));
   }
  }
 }


 static final String[] EVENTS = new String[] {
        "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra", 
        "Angola", "Anguilla", "Antarctica", "Antigua and Barbuda", "Argentina",
        "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan",
        "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium",
        "Belize", "Benin", "Bermuda", "Bhutan", "Bolivia",
        "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil", "British Indian Ocean Territory",
        "British Virgin Islands", "Brunei", "Bulgaria", "Burkina Faso", "Burundi",
        "Cote d'Ivoire", "Cambodia", "Cameroon", "Canada", "Cape Verde",
        "Cayman Islands", "Central African Republic", "Chad", "Chile", "China",
        "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo",
        "Cook Islands", "Costa Rica", "Croatia", "Cuba", "Cyprus", "Czech Republic",
        "Democratic Republic of the Congo", "Denmark", "Djibouti", "Dominica", "Dominican Republic",
        "East Timor", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",
        "Estonia", "Ethiopia", "Faeroe Islands", "Falkland Islands", "Fiji", "Finland",
        "Former Yugoslav Republic of Macedonia", "France", "French Guiana", "French Polynesia",
        "French Southern Territories", "Gabon", "Georgia", "Germany", "Ghana", "Gibraltar",
        "Greece", "Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",
        "Guyana", "Haiti", "Heard Island and McDonald Islands", "Honduras", "Hong Kong", "Hungary",
        "Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica",
        "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Laos",
        "Latvia", "Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg",
        "Macau", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands",
        "Martinique", "Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",
        "Monaco", "Mongolia", "Montserrat", "Morocco", "Mozambique", "Myanmar", "Namibia",
        "Nauru", "Nepal", "Netherlands", "Netherlands Antilles", "New Caledonia", "New Zealand",
        "Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island", "North Korea", "Northern Marianas",
        "Norway", "Oman", "Pakistan", "Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru",
        "Philippines", "Pitcairn Islands", "Poland", "Portugal", "Puerto Rico", "Qatar",
        "Reunion", "Romania", "Russia", "Rwanda", "Sqo Tome and Principe", "Saint Helena",
        "Saint Kitts and Nevis", "Saint Lucia", "Saint Pierre and Miquelon",
        "Saint Vincent and the Grenadines", "Samoa", "San Marino", "Saudi Arabia", "Senegal",
        "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",
        "Somalia", "South Africa", "South Georgia and the South Sandwich Islands", "South Korea",
        "Spain", "Sri Lanka", "Sudan", "Suriname", "Svalbard and Jan Mayen", "Swaziland", "Sweden",
        "Switzerland", "Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "The Bahamas",
        "The Gambia", "Togo", "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey",
        "Turkmenistan", "Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",
        "Ukraine", "United Arab Emirates", "United Kingdom",
        "United States", "United States Minor Outlying Islands", "Uruguay", "Uzbekistan",
        "Vanuatu", "Vatican City", "Venezuela", "Vietnam", "Wallis and Futuna", "Western Sahara",
        "Yemen", "Yugoslavia", "Zambia", "Zimbabwe"
    };
}
//http://droidista.blogspot.co.uk/2011/04/using-cwacs-endlessadapter-with-custom.html
导入java.util.ArrayList;
导入java.util.List;
导入android.app.ListActivity;
导入android.content.Context;
导入android.os.Bundle;
导入android.support.v4.app.Fragment;
导入android.view.LayoutInflater;
导入android.view.view;
导入android.view.ViewGroup;
导入android.view.animation.animation;
导入android.view.animation.RotateAnimation;
导入android.widget.ArrayAdapter;
导入android.widget.TextView;
导入com.commonware.cwac.uncil.EndlessAdapter;
公共类EndlessCustom扩展片段{
静态整数列表大小;
私有int mLastOffset=0;
静态最终整数批次大小=10;
ArrayList eventsSub=新的ArrayList();
@凌驾
CreateView上的公共视图(布局、充气机、视图组容器、捆绑包保存状态){
视图根=充气机。充气(R.layout.fragment\u dod\u事件,容器,false);
//在这里做事
init();
返回根;
}
私有void init(){
列表大小=EVENTS.length;
对于(int i=0;i用于获取与当前片段关联的活动上下文。按以下方式操作:

CustomAdapter() {
        super(new CustomArrayAdapter(EndlessCustom.this.getActivity(), 
                                     android.R.layout.simple_list_item_1, 
                                     android.R.id.text1, 
                                     eventsSub));

plz show CustomArrayAdapter类代码也加载到第一篇博文中-谢谢你尝试过这个
super(新的CustomArrayAdapter(EndlessCustom.this.getActivity(),android.R.layout.simple_list_item_1,android.R.id.text1,eventsSub))
?Brill-这很有效。你能解释一下为什么我渴望学习而不是一直问很多问题。我对上下文的看法正确吗?目前你正在尝试传递片段上下文,而不是与EndlessCustom片段相关的活动上下文。请看我的答案,这是否有助于你在这里查看??