在Firebase RecyclerView Adapter上实现带有onCreateOptionsMenu菜单的搜索视图,可以按照以下步骤进行操作:
private SearchView searchView;
private YourAdapter adapter;
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
searchView = (SearchView) searchItem.getActionView();
return true;
}
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
// 在用户提交搜索时执行搜索操作
adapter.getFilter().filter(query);
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
// 在用户输入搜索关键字时执行搜索操作
adapter.getFilter().filter(newText);
return false;
}
});
@Override
public Filter getFilter() {
return new Filter() {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String query = constraint.toString();
List<YourDataModel> filteredList = new ArrayList<>();
// 根据搜索关键字过滤数据集合
for (YourDataModel item : dataList) {
if (item.getName().toLowerCase().contains(query.toLowerCase())) {
filteredList.add(item);
}
}
FilterResults filterResults = new FilterResults();
filterResults.values = filteredList;
return filterResults;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
dataListFiltered = (List<YourDataModel>) results.values;
// 刷新列表
notifyDataSetChanged();
}
};
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
RecyclerView recyclerView = findViewById(R.id.recyclerView);
adapter = new YourAdapter(dataList);
recyclerView.setAdapter(adapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
searchView = (SearchView) searchItem.getActionView();
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
adapter.getFilter().filter(query);
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
adapter.getFilter().filter(newText);
return false;
}
});
return true;
}
这样,你就可以在Firebase RecyclerView Adapter上实现带有onCreateOptionsMenu菜单的搜索视图了。根据你的具体需求,可以自定义搜索框的样式和搜索逻辑。
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