Answers for "recyclerview filter android kotlin"

android recyclerview search filter example kotlin

private fun performSearch() {
        binding.searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
            override fun onQueryTextSubmit(query: String?): Boolean {
                search(query)
                return true
            }

            override fun onQueryTextChange(newText: String?): Boolean {
                search(newText)
                return true
            }
        })
    }

    private fun search(text: String?) {
        matchedPeople = arrayListOf()

        text?.let {
            people.forEach { person ->
                if (person.songName.contains(text, true) ||
                    person.time.toString().contains(text, true)
                ) {
                    matchedPeople.add(person)
                    updateRecyclerView()
                }
            }
            if (matchedPeople.isEmpty()) {
                Toast.makeText(this, "No match found!", Toast.LENGTH_SHORT).show()
            }
            updateRecyclerView()
        }
    }


    private fun updateRecyclerView() {
        binding.recyclerView.apply {
            personAdapter.list = matchedPeople
            personAdapter.notifyDataSetChanged()
        }
    }