Android Open Source - SampleAlertDialog Database Manager

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License

The source code is released under:

MIT License

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Java Source Code

package com.neetpiq.android.samplealertdialog.data;
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import java.sql.SQLException;
import java.util.List;

import android.content.Context;

import com.neetpiq.android.samplealertdialog.model.Speaker;
import com.neetpiq.android.samplealertdialog.model.Topic;

public class DatabaseManager {

  protected static final String TAG = "DatabaseManager";

  static private DatabaseManager instance;

  static public void initInstance(Context ctx) {
    
    if (null == instance) {
      instance = new DatabaseManager(ctx);
    }
    
  }

  static public DatabaseManager getInstance() {
    return instance;
  }

  private DatabaseHelper helper;

  private DatabaseManager(Context ctx) {
    helper = new DatabaseHelper(ctx);
  }

  
  public List<Topic> getAllTopics() {
    
    List<Topic> topics = null;
    
    try {
      topics = helper.getTopicDao().queryForAll();
    } catch (SQLException ex) {
      ex.printStackTrace();
    }
    
    return topics;
  }
  
  public List<Speaker> getAllSpeakers() {
    
    List<Speaker> speakers = null;
    
    try {
      speakers = helper.getSpeakerDao().queryForAll();
    } catch (SQLException ex) {
      ex.printStackTrace();
    }
    
    return speakers;
  }

}

Java Source Code List