使用searchview突出显示recyclerview中的过滤器文本

<LinearLayout
    ...
    android:orientation="vertical">

    <SearchView
        ...
        android:id="@+id/searchView" />

    <androidx.recyclerview.widget.RecyclerView
        ...
        android:id="@+id/recyclerView" />

</LinearLayout>

SearchView searchView = findViewById(R.id.searchView);
RecyclerView recyclerView = findViewById(R.id.recyclerView);

// 设置SearchView的监听器
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
    @Override
    public boolean onQueryTextSubmit(String query) {
        // 当用户提交搜索时触发
        return false;
    }

    @Override
    public boolean onQueryTextChange(String newText) {
        // 当搜索文本发生变化时触发
        // 在这里进行RecyclerView的过滤操作
        adapter.getFilter().filter(newText);
        return true;
    }
});

// 设置RecyclerView的适配器和布局管理器
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(this));

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> implements Filterable {
    private List<String> dataList;
    private List<String> filteredList;

    public MyAdapter(List<String> dataList) {
        this.dataList = dataList;
        this.filteredList = dataList;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        // 创建ViewHolder
        ...
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        // 绑定数据到ViewHolder
        ...
    }

    @Override
    public int getItemCount() {
        return filteredList.size();
    }

    @Override
    public Filter getFilter() {
        return new Filter() {
            @Override
            protected FilterResults performFiltering(CharSequence constraint) {
                String filterPattern = constraint.toString().toLowerCase().trim();

                List<String> filteredList = new ArrayList<>();
                for (String item : dataList) {
                    if (item.toLowerCase().contains(filterPattern)) {
                        filteredList.add(item);
                    }
                }

                FilterResults results = new FilterResults();
                results.values = filteredList;
                return results;
            }

            @Override
            protected void publishResults(CharSequence constraint, FilterResults results) {
                filteredList = (List<String>) results.values;
                notifyDataSetChanged();
            }
        };
    }

    public static class ViewHolder extends RecyclerView.ViewHolder {
        ...
    }
}