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Tuan Zen

Member Since April 9, 2016

6,882

Total Points

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2,625

Android

2625 pts
Achievements

0 pts
Forum
•
1,685

Java

1685 pts
Achievements

0 pts
Forum
•
1,037

HTML

1037 pts
Achievements

0 pts
Forum
•
815

Design

815 pts
Achievements

0 pts
Forum
•
116

CSS

116 pts
Achievements

0 pts
Forum
•
40

Digital Literacy

40 pts
Achievements

0 pts
Forum
•
19

Business

19 pts
Achievements

0 pts
Forum
•
1

JavaScript

1 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

85 Achievements

Achievement
Using SQLite for Structured Data

Android Data Persistence

Achieved
Jun 24, 2016
Achievement
Key-Value Saving with SharedPreferences

Android Data Persistence

Achieved
Jun 23, 2016
Achievement
File Storage

Android Data Persistence

Achieved
Jun 23, 2016
Achievement
Introduction to Data Persistence

Android Data Persistence

Achieved
Jun 22, 2016
Achievement
Tablet Time

Android Fragments

Achieved
Jun 22, 2016
Achievement
Publishing on Google Play

Publish an Android App

Achieved
Jun 21, 2016
Achievement
Ingredients and Directions

Android Fragments

Achieved
Jun 21, 2016
Achievement
Managing Fragments

Android Fragments

Achieved
Jun 21, 2016
Achievement
Introducing Fragments

Android Fragments

Achieved
Jun 21, 2016
Achievement
Interacting with Your API

Google Play Services

Achieved
Jun 16, 2016
Achievement
Adding Play Services to Your App

Google Play Services

Achieved
Jun 16, 2016
Achievement
Introducing Sketch

Sketch Basics

Achieved
Jun 16, 2016
Achievement
The Project

Android Activity Lifecycle

Achieved
Jun 15, 2016
Achievement
Introducing SharedPreferences

Android Activity Lifecycle

Achieved
Jun 14, 2016
Achievement
The Activity Lifecycle

Android Activity Lifecycle

Achieved
Jun 13, 2016
Achievement
Acting on List Item Taps

Android Lists and Adapters (2015)

Achieved
Jun 10, 2016
Achievement
Introduction to Brand Identity

Brand Identity Basics

Achieved
Jun 10, 2016
Achievement
Lists with RecyclerViews

Android Lists and Adapters (2015)

Achieved
Jun 9, 2016
Achievement
Using Parcelable Data

Android Lists and Adapters (2015)

Achieved
Jun 8, 2016
Achievement
Forms

HTML

Achieved
Jun 8, 2016
Achievement
Custom ListViews

Android Lists and Adapters (2015)

Achieved
Jun 8, 2016
Achievement
Save for the Web

Adobe Illustrator for Web Design

Achieved
Jun 8, 2016
Achievement
Adding Images and a Mockup

Adobe Illustrator for Web Design

Achieved
Jun 8, 2016
Achievement
Logo Design

Adobe Illustrator for Web Design

Achieved
Jun 8, 2016
Achievement
Standard ListViews

Android Lists and Adapters (2015)

Achieved
Jun 7, 2016
Achievement
Creating a Wireframe

Adobe Illustrator for Web Design

Achieved
Jun 7, 2016
Achievement
Introducing Adobe Illustrator

Adobe Illustrator for Web Design

Achieved
Jun 7, 2016
Achievement
Updating the Data Model

Android Lists and Adapters (2015)

Achieved
Jun 6, 2016
Achievement
Hooking up the Model to the View

Build a Weather App (2015)

Achieved
Jun 3, 2016
Achievement
Building the Weather UI

Build a Weather App (2015)

Achieved
Jun 2, 2016
Achievement
Working with JSON

Build a Weather App (2015)

Achieved
Jun 1, 2016
Achievement
Concurrency and Error Handling

Build a Weather App (2015)

Achieved
May 31, 2016
Achievement
Event Planning

Build a JavaFX Application

Achieved
May 27, 2016
Achievement
Build a Pomodoro App

Build a JavaFX Application

Achieved
May 27, 2016
Achievement
Design a Better App

Build a JavaFX Application

Achieved
May 26, 2016
Achievement
Graphical User Interfaces

Build a JavaFX Application

Achieved
May 26, 2016
Achievement
Advanced Tooling

Local Development Environments

Achieved
May 25, 2016
Achievement
Logo Design 101

Logo Design Basics

Achieved
May 25, 2016
Achievement
Design Foundations Final

Design Foundations

Achieved
May 25, 2016
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
May 25, 2016
Achievement
Tables

HTML

Achieved
May 24, 2016
Achievement
IDE Exploration

Local Development Environments

Achieved
May 24, 2016
Achievement
Objects

HTML

Achieved
May 24, 2016
Achievement
How it Works

Local Development Environments

Achieved
May 24, 2016
Achievement
Understanding Aesthetics

Design Foundations

Achieved
May 24, 2016
Achievement
Introduction to Design

Design Foundations

Achieved
May 24, 2016
Achievement
Links

HTML

Achieved
May 23, 2016
Achievement
Lists

HTML

Achieved
May 23, 2016
Achievement
Text

HTML

Achieved
May 23, 2016
Achievement
Introduction

HTML

Achieved
May 23, 2016
Achievement
Efficiency!

Java Data Structures

Achieved
May 23, 2016
Achievement
Adding a New Web Page

Introduction to HTML and CSS (2016)

Achieved
May 22, 2016
Achievement
Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

Achieved
May 22, 2016
Achievement
HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Achieved
May 22, 2016
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
May 20, 2016
Achievement
What is User Experience (UX)?

UX Basics

Achieved
May 20, 2016
Achievement
Organizing Data

Java Data Structures

Achieved
May 19, 2016
Achievement
Getting There

Java Data Structures

Achieved
May 18, 2016
Achievement
Delivering the MVP

Java Objects (Retired)

Achieved
May 18, 2016
Achievement
Creating the MVP

Java Objects (Retired)

Achieved
May 17, 2016
Achievement
Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achieved
May 2, 2016
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Apr 28, 2016
Achievement
Creating HTML Content

How to Make a Website

Achieved
Apr 28, 2016
Achievement
HTML First

How to Make a Website

Achieved
Apr 27, 2016
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Apr 27, 2016
Achievement
Websites

Accessibility

Achieved
Apr 27, 2016
Achievement
Harnessing the Power of Objects

Java Objects (Retired)

Achieved
Apr 26, 2016
Achievement
Introduction

Accessibility

Achieved
Apr 26, 2016
Achievement
Welcome to the Treehouse Club

Treehouse Club: HTML

Achieved
Apr 26, 2016
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Apr 24, 2016
Achievement
Perfecting the Prototype

Java Basics

Achieved
Apr 23, 2016
Achievement
Using your New Tools

Java Basics

Achieved
Apr 22, 2016
Achievement
Getting Started with Java

Java Basics

Achieved
Apr 22, 2016
Achievement
Networking

Build a Weather App (2015)

Achieved
Apr 22, 2016
Achievement
Exploring an API

Build a Weather App (2015)

Achieved
Apr 22, 2016
Achievement
Finishing the User Interface

Build an Interactive Story App (Retired)

Achieved
Apr 21, 2016
Achievement
The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achieved
Apr 21, 2016
Achievement
Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achieved
Apr 21, 2016
Achievement
User Input

Build an Interactive Story App (Retired)

Achieved
Apr 20, 2016
Achievement
Testing and Debugging

Build a Simple Android App

Achieved
Apr 19, 2016
Achievement
Improving Our Code

Build a Simple Android App

Achieved
Apr 19, 2016
Achievement
Basic Android Programming

Build a Simple Android App

Achieved
Apr 19, 2016
Achievement
Creating the Screen Layout

Build a Simple Android App

Achieved
Apr 18, 2016
Achievement
Getting Started with Android

Build a Simple Android App

Achieved
Apr 18, 2016
Achievement
Newbie

Achieved
Apr 9, 2016