Core 2 Team | Quick Delivery Team

Java Programmer

Prof Terry LEE's TA of Java (17681) and Data Structure (17683)

Full-Time Intern

1. Improved correctness of Position Correction algorithm (weighted calculation part) by 27%, and encapsulated it into Android API.

2. Designed Garage Navigation system in Android Native Layer (C++).

a Used WiFi and Bluetooth signal to replace GPS, and adjusted algorithm threshold through trail and error.

b Ensured the system to be accurate to specific parking bay under 86% circumstance.

3. Introduced Gyro signal in General Navigation systems in Android Java Layer to monitor the direction of the mobile in real time.

a Reduced UI latency in 42% of cases, compared to old systems where only GPS signal was used.

b Decreased average delay of UI by 3.4 seconds among all the optimized cases. User experience was greatly improved.

Full-Time Intern

1. Maintained 1st generation vehicle control system. Fixed 47 bugs.

2. Applied Android AIDL and Handler mechanism to a) classify long and short presses, b) monitor if a command sent to hardware becomes effective in a given time, and c) send commands sequentially when multiple signals come simultaneously.

3. Implemented message queue, and mounted control units and UI / hardware connectors onto it, in 2nd generation system.

Full-Time Intern

1. Deployed static UI in Android XML using Constraint Layout, and dynamic UI in Java Activity classes.

2. Parsed and formed JSON messages to connect to Amazon AWS database.

3. Realized Android AsyncTask to prevent network connection from blocking main thread.

4. Established a blockchain to store user and vehicle usage information, which has successfully applied for a patent.