[英]How to separate SearchView items to filter a RecyclerView
Currently, I'm working on an activity that has a RecyclerView and SearchView in it.Now the RecyclerView and SearchView are working fine but there is a problem that I don't know how to resolve, you see in the searchView part we were a task to make a SearchView that accepts 2 or more searchItems that must be separated by a comma or space in order to filter the recyclerview again if the second searchitem matches an item in the RecyclerView, for example I type in searchitem "Big" i'll need to separate it again with another searchitem like "Black" 目前,我正在从事一个具有RecyclerView和SearchView的活动。现在RecyclerView和SearchView可以正常工作,但是有一个我不知道如何解决的问题,在searchView部分我们看到了如果第二个searchitem与RecyclerView中的某个项目匹配,则使SearchView接受2个或多个必须用逗号或空格分隔的searchItem,以便再次过滤recyclerview的任务,例如,我输入searchitem“ Big”,需要使用另一个搜索项(例如“黑色”)再次将其分开
here is the code for the SearchView 这是SearchView的代码
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.pet_book_main);
if(savedInstanceState != null){
mSearchString=savedInstanceState.getString(SEARCH_KEY);
}
pet_title=(TextView)findViewById(R.id.pet_book_title);
petbook=(RecyclerView)findViewById(R.id.pet_book_pet);
navbot=(BottomNavigationView) findViewById(R.id.petbook_navbot);
toolbar=(Toolbar)findViewById(R.id.petbook_toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowTitleEnabled(false);
toolbar.setTitle("");
linearLayoutManager=new LinearLayoutManager(this);
petbook.setHasFixedSize(true);
petbook.setLayoutManager(linearLayoutManager);
refresh();
disableShiftMode(navbot);
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
MenuInflater menuInflater= getMenuInflater();
menuInflater.inflate(R.menu.petbook_searck,menu);
searchItem=menu.findItem(R.id.pet_book_search_mode);
searchView =(SearchView)MenuItemCompat.getActionView(searchItem);
if (mSearchString != null && !mSearchString.isEmpty()) {
searchItem.expandActionView();
searchView.setQuery(mSearchString, true);
searchView.clearFocus();
}
search(searchView);
MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
pet_title.setVisibility(View.INVISIBLE);
return true;
}
@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
pet_title.setVisibility(View.VISIBLE);
return true;
}
});
return true;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mSearchString = searchView.getQuery().toString();
outState.putString(SEARCH_KEY, mSearchString);
}
public void search(android.support.v7.widget.SearchView search)
{
search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
newText=newText.toLowerCase();
newList=new ArrayList<>();
for(petbook_getItem items : bookItem){
String pets=items.getPet_name().toLowerCase();
if(pets.contains(newText))
newList.add(items);
}
adapter.filterSearch(newList);
adapter.notifyDataSetChanged();
return true;
}
});
}
This code handles user input in search which can be multiple comma separated search items
: 此代码处理搜索中的用户输入,该输入可以是
multiple comma separated search items
:
search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
.....
@Override
public boolean onQueryTextChange(String newText) {
newText = newText.toLowerCase();
// remove leading comma or space
String string2 = newText.replaceAll("^[,\\s]+", "");
// return early for invalid input (empty)
if (string2.isEmpty()) {
return true;
}
// split by comma & space if any
List<String> inputList = Arrays.asList(string2.split("[,\\s]+"));
newList = new ArrayList<>();
for (petbook_getItem items : bookItem){
String pets = items.getPet_name().toLowerCase();
// Check for matching by looping through each search items
for (String inputTxt : inputList) {
if (pets.contains(inputTxt)) {
newList.add(items);
break;
}
}
}
adapter.filterSearch(newList);
adapter.notifyDataSetChanged();
return true;
}
});
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