我正在尝试在片段中使用此示例（http://droidista.blogspot.co.uk/2011/04/using-cwacs-endlessadapter-with-custom.html?showComment=1369770178127#c166648792344448629）并且我遇到了问题
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“
我怀疑它是一个我正在尝试工作的上下文问题但是如果你能给我任何关于如何解决这个问题的建议我会很感激。感谢
编辑 - 全班......
// 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"
};
}
答案 0 :(得分：1)
使用Fragment.getActivity()获取与当前片段相关联的活动上下文。这样做：
CustomAdapter() {
super(new CustomArrayAdapter(EndlessCustom.this.getActivity(),
android.R.layout.simple_list_item_1,
android.R.id.text1,
eventsSub));