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RecyclerViewを持つSearchViewを使用して、連絡先を検索します。しかし、検索結果の結果は間違っているようです。いくつかのフィルタリングが行われていますが、正しいフィルタリングはありません。たとえば、文字「a」で検索すると、「a」で始まる連絡先ではなくランダムなものが除外されます。コードスニペットは次のとおりです。RecyclerViewで検索結果が誤っているフィルタが見つかった
活動クラス
public class MembersActivity extends AppCompatActivity implements SearchView.OnQueryTextListener {
@BindView(R.id.meetup_members_recycler_view)
RecyclerView mRecyclerView;
CustomContactAdapter contactAdapter;
List<Contact> contactList = new ArrayList();
private SearchView mSearchView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_meetup_members);
ButterKnife.bind(this);
mSearchView = (SearchView) findViewById(R.id.action_search);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
getAllContacts();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
final MenuItem searchItem = menu.findItem(R.id.action_search);
final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
searchView.setOnQueryTextListener(this);
return true;
}
private void getAllContacts() {
Contact contact;
ContentResolver contentResolver = getContentResolver();
Cursor cursor = contentResolver.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " ASC");
if (cursor.getCount() > 0) {
while (cursor.moveToNext()) {
int hasPhoneNumber = Integer.parseInt(cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)));
if (hasPhoneNumber > 0) {
String id = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
contact = new Contact();
contact.setName(name);
Cursor phoneCursor = contentResolver.query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
new String[]{id},
null);
if (phoneCursor.moveToNext()) {
String phoneNumber = phoneCursor.getString(phoneCursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
contact.setMobile(phoneNumber);
}
phoneCursor.close();
contactList.add(contact);
}
}
contactAdapter = new CustomContactAdapter(getApplicationContext(),contactList);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
mRecyclerView.setAdapter(contactAdapter);
}
}
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
contactAdapter.getFilter().filter(newText);
return true;
}
}
アダプタクラス
public class CustomContactAdapter extends RecyclerView.Adapter<CustomContactAdapter.ContactViewHolder>
implements CompoundButton.OnCheckedChangeListener,Filterable {
Context mContext;
LayoutInflater mInflater;
private List<Contact> contactList = new ArrayList<Contact>();
private List<Contact> filterContactList = new ArrayList<Contact>();
private ContactFilter contactFilter;
public CustomContactAdapter(Context context,List<Contact> contacts)
{
mInflater = LayoutInflater.from(context);
mContext = context;
this.contactList = contacts;
this.filterContactList = contacts;
}
public static class ContactViewHolder extends RecyclerView.ViewHolder
implements View.OnClickListener {
@BindView(R.id.member_name)
TextView mContactName;
@BindView(R.id.member_mobile)
TextView mPhoneNumber;
@BindView(R.id.member_image)
ImageView mImage;
public ContactViewHolder(View view) {
super(view);
ButterKnife.bind(this, view);
view.setOnClickListener(this);
}
@Override
public void onClick(View view){
}
}
@Override
public CustomContactAdapter.ContactViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.member_list_row, parent, false);
return new CustomContactAdapter.ContactViewHolder(itemView);
}
@Override
public void onBindViewHolder(CustomContactAdapter.ContactViewHolder holder, int position) {
Contact contact = contactList.get(position);
holder.mContactName.setText(contact.getName());
holder.mPhoneNumber.setText(contact.getMobile());
}
@Override
public int getItemCount() {
return filterContactList.size();
}
@Override
public Filter getFilter() {
if(contactFilter == null)
contactFilter = new ContactFilter();
return contactFilter;
}
private class ContactFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults filterResults = new FilterResults();
if (constraint!=null && constraint.length()>0) {
ArrayList<Contact> tempList = new ArrayList<Contact>();
for (Contact contact : contactList) {
if (contact.getName().toLowerCase().contains(constraint.toString().toLowerCase())) {
tempList.add(contact);
}
}
filterResults.count = tempList.size();
filterResults.values = tempList;
System.out.println("performFiltering:SearchFoundCount "+ tempList.size());
System.out.println("performFiltering:ActualSize "+ contactList.size());
} else {
filterResults.count = contactList.size();
filterResults.values = contactList;
}
return filterResults;
}
/**
* Notify about filtered list to ui
* @param constraint text
* @param results filtered result
*/
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
filterContactList = (ArrayList<Contact>) results.values;
notifyDataSetChanged();
}
}
}
できない、私は行方不明「M愚かなものになることがあります。 助けてください。
私は愚かな間違いでした。 – user2695433