Имам ListView
и отменям getView
метод, който се попълва правилно със следния код. Когато не използвам adapter.getFilter().filter(s)
работи, ако го използвам, причинява грешката, показана след кода. Някаква идея как мога да активирам филтриране, когато отменям getView
?
lv.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.activity_list_item,stringArray)
{ @Override
public View getView(int position, View convertView, ViewGroup parent)
{View row= super.getView(position, convertView, parent);
View row=convertView;
if(position==5){
row = mLayoutInflater.inflate(R.layout.list_header, null);
final TextView sectionView = (TextView) row.findViewById(R.id.list_item_section_text);
sectionView.setText(myList.get(position));
}
return row;
}
});
myFilter.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
adapter.getFilter().filter(s);
});
ГРЕШКА java.lang.NullPointerException при com.android.testdatabase.Listsort$2.onTextChanged(Listsort.java:215) при android.widget.TextView.sendOnTextChanged(TextView.java:6131) при android.widget.TextView.handleTextChanged(TextView. java:6172) в android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:6316) в >android.text.SpannableStringBuilder.sendTextChange(SpannableStringBuilder.java:889) в android.text.SpannableStringBuilder.change(SpannableStringBuilder.java: 352) в android.text.SpannableStringBuilder.change(SpannableStringBuilder.java:269)
в android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:432) в android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:409) в android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:28) в >android.view .inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:583) в >android.view.inputmethod.BaseInputConnection.setComposingText(BaseInputConnection.java:384>) в >com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.j> ava:292) в >com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnection>Wrapper.java:73) в android.os.Handler.dispatchMessage(Handler.java:99) в android.os.Looper. loop(Looper.java:123) в android.app.ActivityThread.main(ActivityThread.java:4627) в java.lang.reflect.Method.invokeNative(Native Method) в java.lang.reflect.Method.invoke(Method. java:521) на com.android.internal.os.ZygoteInit$Meth odAndArgsCaller.run(ZygoteInit.java:868) в com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) в dalvik.system.NativeStart.main(Native Method)