ex2

package com.example.listviewwithcolors;

import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    ListView lv;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        lv = (ListView) findViewById(R.id.colorslist);

        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                String message = lv.getItemAtPosition(position).toString();
                Toast.makeText(MainActivity.this, message, Toast.LENGTH_SHORT).show();

                if(position == 0) {
                    view.setBackgroundColor(Color.BLUE);
                }else if (position == 1){
                    view.setBackgroundColor(Color.CYAN);
                }else if (position == 2){
                    view.setBackgroundColor(Color.RED);
                }else if (position == 3){
                    view.setBackgroundColor(Color.YELLOW);
                }else if (position == 4){
                    view.setBackgroundColor(Color.GREEN);
                }
            }
        });
    }
}