SimpleLocalStorage - SharedPreferences helper

SimpleLocalStorage.java

package com.kirin.util;

import java.util.ArrayList;

import android.content.Context;
import android.content.SharedPreferences;

public class SimpleLocalStorage {
  public static String PREFS_NAME = "SimpleLocalStorage";

	public static void putBoolean(Context ctx, String key, boolean data){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		SharedPreferences.Editor editor = settings.edit();
		editor.putBoolean(key,  data);
		editor.commit();
	}
	public static void putString(Context ctx, String key, String data){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		SharedPreferences.Editor editor = settings.edit();
		editor.putString(key,  data);
		editor.commit();
	}
	
	public static void putInt(Context ctx, String key, int data){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		SharedPreferences.Editor editor = settings.edit();
		editor.putInt(key,  data);
		editor.commit();
	}
	
	public static void putLong(Context ctx, String key, long data){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		SharedPreferences.Editor editor = settings.edit();
		editor.putLong(key,  data);
		editor.commit();
	}
	
	public static int getInt(Context ctx, String key){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		return settings.getInt(key, 0);
	}
	
	public static long getLong(Context ctx, String key){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		return settings.getLong(key, 0);
	}
	
	public static String getString(Context ctx, String key){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		return settings.getString(key, null);
	}
	public static boolean getBoolean(Context ctx, String key){
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		return settings.getBoolean(key, false);
	}
	
	public static boolean saveArray(Context ctx , String name , ArrayList<String> data)
	{
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		SharedPreferences.Editor editor = settings.edit();
		editor.putInt(name + "_size" ,data.size()); 
		for(int i=0;i< data.size(); i++)  
		{
			editor.remove(name + "_" + i);
			editor.putString(name + "_" + i, data.get(i));  
		}
		return editor.commit();     
	}
	public static ArrayList<String> loadArray(Context ctx, String name) {  
		ArrayList<String> dataoutput = new ArrayList<String>();
		SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, 0);
		int size = settings.getInt(name + "_size", 0);  
		for(int i=0;i<size;i++) 
		{
			dataoutput.add(settings.getString(name + "_" + i, null));  
		}
		return dataoutput;
	}
}