package com.example.preferences;

import java.util.ArrayList;

import android.os.Bundle;
import android.app.Activity;
import android.content.SharedPreferences;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;

public class MainActivity extends Activity implements OnClickListener {
	Button ketqua;
	Button kick;
	Button dondep;
	EditText nhap;
	ListView hienthi;
	ArrayList<String> arrayList;
	ArrayAdapter<String> adap;

	int index = 0;
	final String PREFS = "Prefenrences";
	SharedPreferences myfrefs;
	SharedPreferences.Editor myeditor;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		kick = (Button) findViewById(R.id.bt_kick);
		ketqua = (Button) findViewById(R.id.bt_hienthi);
		dondep = (Button) findViewById(R.id.bt_xoa);
		nhap = (EditText) findViewById(R.id.ed_nhap);
		hienthi = (ListView) findViewById(R.id.lv_hienthi);
		arrayList = new ArrayList<String>();

		adap = new ArrayAdapter<String>(this,
				android.R.layout.simple_list_item_1, arrayList);

		kick.setOnClickListener(this);
		ketqua.setOnClickListener(this);
		dondep.setOnClickListener(this);
		myfrefs = getSharedPreferences(PREFS, MainActivity.MODE_PRIVATE);
		myeditor = myfrefs.edit();

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public void onClick(View arg0) {
		// TODO Auto-generated method stub
		// arrayList.add(nhap.getText().toString());
		if (arg0.getId() == kick.getId()) {
			myeditor.putString(String.valueOf(index), nhap.getText().toString());

			myeditor.commit();

			arrayList.add(myfrefs.getString(String.valueOf(index), nhap
					.getText().toString()));





		} else if (arg0.getId() == ketqua.getId()) {

			for (int i = 0; i <= index; i++) {
				myeditor.putString(String.valueOf(i), nhap.getText().toString());
				myeditor.commit();


				hienthi.setAdapter(adap);
			}

		} else if (arg0.getId() == dondep.getId()) {

			hienthi.setAdapter(null);
		}

	}

}