and-lab04

//package com.example.as0.myapplication04;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.Spinner;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    CheckBox c1, c2;
    Spinner s;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        c1 = findViewById(R.id.checkBox);
        c2 = findViewById(R.id.checkBox2);
        s = findViewById(R.id.spinner);
        c1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if(((CheckBox) view).isChecked()){
                    List<String> list = new ArrayList<String>();
                    list.add("ali");
                    list.add("ahmed");
                    ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_item, list);
                    s.setAdapter(dataAdapter);
                }
            }
        });
    }
}