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그래서 EditText 및 ListFragment가있는 FragmentActivity가 있습니다. ListFragment에는 모든 항목을 채울 수있는 어댑터가 있습니다.조각에서 활성 어댑터 가져 오기
public class XXXListFragment extends ListFragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
...
ArrayAdapter<Spanned> adapter = new ArrayAdapter<Spanned>(inflater.getContext(),
R.layout.fragment_list_item_appearance, spannedArray);
setListAdapter(adapter);
return super.onCreateView(inflater, container, savedInstanceState);
}
}
EditText를 사용하여 사용자가 listitem을 필터링해야합니다.
다음과 같은 오류가 발생합니다ListFragment.this.adapter.getFilter().filter(cs);
:
타입 QuestsListFragment 없음 둘러싸는 인스턴스 인
public class XXX extends FragmentActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.quests_activity); EditText ediText = (EditText) findViewById(R.id.editext); ediText .addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) { // When user changed the Text ListFragment.this.adapter.getFilter().filter(cs); } ... }); }
내 문제는 내가 가진 Listfragment의 컨텍스트를 얻을 수 있다는 것입니다 액세스 가능 범위 : 범위
어떻게 해결할 아이디어?
여기 전체 코드입니다. 난 그냥 ... 조각을 사용하기 시작
FragmentActivity :
public class XXX extends FragmentActivity implements ListFragmentItemClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.xxx_activity);
}
@Override
protected void onStart() {
super.onStart();
EditText editText = (EditText) findViewById(R.id.edittext)
editText .addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) {
// THIS DOESN'T WORK
XXXListFragment.this.adapter.getFilter().filter(cs);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
}
@Override
public void afterTextChanged(Editable arg0) {
}
});
}
@Override
public void onListFragmentItemClick(int position) {
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
Fragment prevFrag = fragmentManager.findFragmentByTag("xxx.details");
if (prevFrag != null)
fragmentTransaction.remove(prevFrag);
XXXDetailsFragment fragment = new XXXDetailsFragment();
Bundle b = new Bundle();
b.putInt("position", position);
fragment.setArguments(b);
fragmentTransaction.add(R.id.xxx_detail_fragment_container, fragment,
"xxx.details");
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
} else {
...
}
}
...
}
ListFragment :
public class XXXListFragment extends ListFragment {
ListFragmentItemClickListener ifaceItemClickListener;
public interface ListFragmentItemClickListener {
void onListFragmentItemClick(int position);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
ifaceItemClickListener = (ListFragmentItemClickListener) activity;
} catch (Exception e) {
Toast.makeText(activity.getBaseContext(), "Exception", Toast.LENGTH_SHORT).show();
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Spanned[] xxx = { Html.fromHtml(getString(R.string.xxx)), ... };
ArrayAdapter<Spanned> adapter = new ArrayAdapter<Spanned>(inflater.getContext(),
R.layout.fragment_list_item_appearance, xxx);
setListAdapter(adapter);
return super.onCreateView(inflater, container, savedInstanceState);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
ifaceItemClickListener.onListFragmentItemClick(position);
}
}
ListFragment는 FragmentActivity 레이아웃에 추가됩니다
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
...
<EditText
android:id="@+id/edittext"
style="@style/red_edittext"
android:hint="@string/exittext_input_search" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<fragment
android:id="@+id/xxx_list_fragment"
android:name="com.xxx.XXXListFragment"
android:layout_width="350dp"
android:layout_height="wrap_content" />
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<FrameLayout
android:id="@+id/xxx_detail_fragment_container"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical" >
</FrameLayout>
</ScrollView>
</LinearLayout>
</LinearLayout>
'ListFragment'를 추가하는 코드는 어디에 있습니까? 'ListFragment'에 대한 참조를 보유하고 직접 호출 할 수있는'public' 메소드가 있어야합니다. – Squonk
전체 코드를 입력합니다. Pls보세요. – user1337
같은 문제에 직면 한 사람이 있으면 해결하십시오. 공유하십시오. – subash