Android 如何使用TextWatcher实现firebase回收器?
我已经在我的应用程序中实现了Firebase回收器。使用text watcher时一切正常,但当键盘向上时,recycler视图不会在Android 如何使用TextWatcher实现firebase回收器?,android,firebase,android-recyclerview,firebaseui,Android,Firebase,Android Recyclerview,Firebaseui,我已经在我的应用程序中实现了Firebase回收器。使用text watcher时一切正常,但当键盘向上时,recycler视图不会在onTextChanged中更新,并在我按下键盘向下时立即更新 这是我的代码: private TextWatcher textWatcher = new TextWatcher() { public void afterTextChanged(Editable s) { } public void before
onTextChanged
中更新,并在我按下键盘向下时立即更新
这是我的代码:
private TextWatcher textWatcher = 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) {
if(s.toString().trim().length()<1)
{
mRecyclerView.setVisibility(View.GONE);
}
else
{
mRecyclerView.setVisibility(View.VISIBLE);
firebaseSearch(s.toString());
}
Toast.makeText(ChooseUser.this,s.toString(),Toast.LENGTH_SHORT).show();
}
};
private TextWatcher TextWatcher=new TextWatcher(){
公共无效后文本已更改(可编辑){
}
更改前文本之前的公共void(字符序列s、int start、int count、int after){
}
public void onTextChanged(字符序列,int start,int before,
整数计数){
如果(s.toString().trim().length())
新用户(snapshot.child(“Name”).getValue().toString(),
snapshot.child(“Image”).getValue().toString(),
snapshot.getKey(),
snapshot.child(“Profile”).getValue().toString()
))
.build();
firebaseRecyclerAdapter=新的firebaseRecyclerAdapter(
选择权
) {
@凌驾
受保护的无效onBindViewHolder(@NonNull UsersViewHolder holder,int position,@NonNull Users model){
setDetails(getApplicationContext(),model.getName(),model.getImage());
}
@非空
@凌驾
public UsersViewHolder onCreateViewHolder(@NonNull ViewGroup父级,int viewType){
View=LayoutInflater.from(parent.getContext())
.充气(R.layout.search\u list\u项目,父项,false);
返回新的UsersViewHolder(视图);
}
};
firebaseRecyclerAdapter.startListening();
mRecyclerView.setAdapter(firebaseRecyclerAdapter);
}
我的代码中是否有任何更改,以便在输入单词时动态更新视图,并在键盘打开时显示recycler?只是,我的代码中有
mRecyclerView.setHasFixedSize(true);
。
去掉这个,它就工作了
private void firebaseSearch(String searchText)
{
Query firebaseSearchQuery = databaseReference
.orderByChild("Name")
.startAt(searchText.toLowerCase())
.endAt(searchText.toLowerCase() + "\uf8ff");
FirebaseRecyclerOptions<Users> options =
new FirebaseRecyclerOptions.Builder<Users>()
.setQuery(firebaseSearchQuery, snapshot ->
new Users(snapshot.child("Name").getValue().toString(),
snapshot.child("Image").getValue().toString(),
snapshot.getKey(),
snapshot.child("Profile").getValue().toString()
))
.build();
firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<Users, UsersViewHolder>(
options
) {
@Override
protected void onBindViewHolder(@NonNull UsersViewHolder holder, int position, @NonNull Users model) {
holder.setDetails(getApplicationContext(), model.getName(), model.getImage());
}
@NonNull
@Override
public UsersViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.search_list_items, parent, false);
return new UsersViewHolder(view);
}
};
firebaseRecyclerAdapter.startListening();
mRecyclerView.setAdapter(firebaseRecyclerAdapter);
}