Android Open Source - passwords-by-harry Data Service Connected Activity

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License

The source code is released under:

Apache License

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Java Source Code

package com.github.harryfrommarydelde.passwordsbyharry;
//from  w  w  w.  j  av  a2s  .co  m
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.MenuItem;

/**
 * Created by harry on 9/7/13.
 */
abstract public class DataServiceConnectedActivity extends Activity
        implements SharedPreferences.OnSharedPreferenceChangeListener {
    protected SharedPreferences settings;

    protected boolean dataServiceConnected = false;
    protected DataService.DataBinder dataBinder;
    private ServiceConnection dataConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            dataBinder = (DataService.DataBinder) service;
            dataServiceConnected = true;

            localOnServiceConnected(dataBinder);
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            dataServiceConnected = false;
        }
    };

    abstract protected void localOnServiceConnected(DataService.DataBinder dataBinder);

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

        PreferenceManager.setDefaultValues(this, R.xml.preferences, false);

        settings = PreferenceManager.getDefaultSharedPreferences(this);
        settings.registerOnSharedPreferenceChangeListener(this);

        bindService(new Intent(this, DataService.class), dataConnection, BIND_AUTO_CREATE);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (dataServiceConnected) {
            unbindService(dataConnection);
            dataServiceConnected = false;
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        // we are currently using a default menu for all activities, if we later have custom
        // menus for some activities we will add a constructor to take an alternate menu resource.
        getMenuInflater().inflate(R.menu.general_menu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {

            case (R.id.action_settings):
                Intent settings = new Intent(this, SettingsActivity.class);
                startActivity(settings);
                break;
        }
        return false;
    }
}

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