Source code aplikasi To do List

Source code aplikasi To do list

private ArrayList<String> items;

    private ArrayAdapter<String> itemsAdapter;

    private ListView listview;

    private Button button;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        listview = findViewById(R.id.listview);

        button = findViewById(R.id.button);

        button.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                addItem(view);

            }

        });

        items = new ArrayList<>();

        itemsAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1,items);

        listview.setAdapter(itemsAdapter);

        setUpListViewListener();

    }

    private void setUpListViewListener() {

        listview.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {

            @Override

            public boolean onItemLongClick(AdapterView<?> parent, View view, int i, long l) {

                Context context = getApplicationContext();

                Toast.makeText(context,"List Dihapus",Toast.LENGTH_LONG).show();

                items.remove(i);

                itemsAdapter.notifyDataSetChanged();

                return true;

            }

        });

    }

    private void addItem(View view){

        EditText input = findViewById(R.id.editText);

        String itemText = input.getText().toString();

if(!(itemText.equals(""))){

itemsAdapter.add(itemText);

input.setText("");

}else{

Toast.makeText(getApplicationContext(), resid:"Tulis dong..",Toast.LENGTH_LONG).show();

}

    }