Design and Implementation of Object Oriented Location Aware Application for Android Mobile Devices and Web Service Integration

Table of Contents

A. Introduction

B. GLONASS (Global Navigation Satellite System - Globalnaya Navigatsionnaya Sputnikovaya Sistema) and GPS (Global Positioning System)

I. Global Navigation Satellite Systems

II. Satellite Signals

III. Receivers

IV. Navigation Message

V. Errors

VI. Hybrid Systems

C. Location Based Services (LBS) and Positioning

I. Geometric Principles for Positioning

1. Trilateration

2. Multilateration

3. Triangulation

II. Positioning Technologies

1. Cell Tower Triangulation

2. Positioning with Satellites

3. Cell ID

4. Wireless LAN Positioning

D. Android Systems and Application Framework

I. Android Development Environment

II. Differences from other mobile operating systems

III. Android Architecture

1. Linux Kernel

2. Hardware Abstraction Layer

3. Libraries

4. Android Runtime

IV. Applications Framework

1. Android Manifest

2. Activity

3. Service

4. Content Providers

5. Intent

V. Location Manager

E. Web Services and Data Communication between mobile devices and server systems

I. Restful

II. JSON

III. SQLite

F. Satellite data observation with Android Mobile Phone, evaluation of data and performance calibration

G. Development of Mobile Application

I. Client side

1. Android Manifest

2. RestClient

3. MyDBHelper

4. MyDB

5. LocationService.class

6. Activities

II. Server side

1. RestService

2. CachedArrayList

3. DBUtil and DBConnection

H. Conclusion

I. Limitation of the Study

II. Recommendation for the future researches

I. Bibliography

Objectives and Topics

This thesis investigates the design architecture and practical implementation of location-aware, object-oriented systems on Android mobile devices. The primary objective is to develop a location-based mobile coupon platform that enables brands to deliver targeted marketing content to users based on their current geographic position, thereby increasing engagement and conversion rates.

• Architectural analysis of Android components, including Activities, Services, and Content Providers.
• Technical evaluation of satellite navigation systems, specifically comparing GPS and GLONASS signal processing.
• Mathematical foundations of positioning technologies such as Trilateration, Multilateration, and Triangulation.
• Implementation of RESTful web services and JSON for efficient server-side and client-side data communication.
• Optimization of mobile performance through SQLite database usage and Android-specific runtime features.

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Summary of Chapters

A. Introduction: Outlines the research scope, which focuses on the architecture and application of object-oriented location-based systems for Android.

B. GLONASS (Global Navigation Satellite System - Globalnaya Navigatsionnaya Sputnikovaya Sistema) and GPS (Global Positioning System): Compares satellite systems, covering signal characteristics, message data, positioning calculations, and the performance advantages of hybrid usage.

C. Location Based Services (LBS) and Positioning: Provides the mathematical background for location detection and details current positioning technologies like Trilateration and Cell Tower triangulation.

D. Android Systems and Application Framework: Discusses the Android architecture, including the Linux kernel, the Dalvik Virtual Machine, and core framework components like Activities and Services.

E. Web Services and Data Communication between mobile devices and server systems: Explores RESTful web services as the preferred model for mobile platforms, highlighting the use of JSON for efficient data exchange.

F. Satellite data observation with Android Mobile Phone, evaluation of data and performance calibration: Details the practical experimental portion of the thesis, documenting satellite observation data collected via mobile devices.

G. Development of Mobile Application: Reports on the implementation of a location-based mobile coupon platform, including both client-side Android development and server-side logic.

H. Conclusion: Summarizes the study's findings regarding location-based application design and identifies limitations regarding hardware access.

Keywords

Global Navigation Satellite Systems (GNSS), Global Positioning System (GPS), GLONASS, Location Based Services (LBS), Trilateration, Android, Linux Kernel, Dalvik Virtual Machine, RESTful, JSON, SQLite, Mobile Application, Positioning Technology, Location Manager, Java

Frequently Asked Questions

What is the core focus of this research?

The research focuses on the design, architecture, and practical implementation of location-aware systems on Android mobile devices, with a specific application in the domain of coupon-based marketing.

Which technical fields are primarily addressed?

The thesis spans satellite navigation systems (GPS/GLONASS), geometric positioning principles (trilateration), mobile application frameworks (Android OS), and web service architectures (REST/JSON).

What is the ultimate goal of the developed application?

The goal is to create a mobile platform that allows brands to trigger location-based marketing campaigns, thereby driving customer traffic to physical points of sale.

Which methodologies are employed for location detection?

The work utilizes geometric positioning techniques, primarily trilateration, and integrates them with Android-specific APIs such as the LocationManager and various signal providers like Cell ID and GPS.

How is the data communication handled between the client and server?

The application employs a RESTful web service architecture, utilizing JSON for lightweight data exchange to optimize performance on mobile hardware.

What defines the study's scientific approach?

The study combines theoretical research on satellite systems and positioning mathematics with a practical, experimental implementation of an Android-based mobile application.

Why are GLONASS and GPS compared in this study?

The comparison serves to evaluate the feasibility of using hybrid satellite signals to improve location accuracy in challenging environments like dense city centers.

What is the role of the Android NDK in this project?

The Android NDK is discussed in the context of native code development; however, the research identifies security constraints imposed by device manufacturers that limit full access to satellite chipsets.