AlarmsActivity.java

package com.pledgeapps.buyingtime;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.AdapterView;
import com.pledgeapps.buyingtime.utils.AlarmHelper;

public class AlarmsActivity extends ActionBarActivity {
    ListView alarmList;
    AlarmListAdapter alarmListAdapter;
    private static final int ACTIVITY_EDITALARM=110;

    private void saveData()
    {
        AlarmHelper.getCurrent().updateAlarms(getApplicationContext());
    }

    private void selectAlarm(int alarmIndex)
    {
        Bundle bundle = new Bundle();
        bundle.putInt("ALARM_INDEX", alarmIndex);
        Intent intent = new Intent(this, AlarmActivity.class);
        intent.putExtras(bundle);
        startActivityForResult(intent, ACTIVITY_EDITALARM);
    }






    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_alarms);
        alarmList = (ListView) findViewById(R.id.alarmList);

        alarmList.setOnItemClickListener(new ListView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> a, View v, int position, long id) {
                selectAlarm(position);
            }
        });

        alarmListAdapter = new AlarmListAdapter(this);
        alarmList.setAdapter(alarmListAdapter);
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        alarmListAdapter.notifyDataSetChanged();
    }

    @Override
    public void onPause()
    {
        new Thread(new Runnable() {
            public void run() {
                saveData();
            }
        }).start();
        super.onPause();
    }

    @Override
    protected void onResume() {
        super.onResume();
        alarmListAdapter.notifyDataSetChanged();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        getMenuInflater().inflate(R.menu.alarms, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.action_add_alarm:
                selectAlarm(-1);
        }
        return super.onOptionsItemSelected(item);
    }

}