Implementation of Rest API in Sports Facilities and Infrastructure Finding Application in Yogyakarta City

Abstract

Yogyakarta is a city that has many sports facilities and types of sports. However, not all sports facilities are known by the people of Yogyakarta, especially for migrants from outside the city. So that a sports venue search mobile application is needed that can provide information about sports facilities, the need for sports facility information that can be accessed whenever and wherever the user is. Based on the above problems, it is proposed to create an android-based nearest sports venue search system. This system determines the location of the nearest facilities and infrastructure from the user's position by calculating the distance from two coordinate points and displayed on google maps and displaying the route to the nearest sports venue from the user. The result of this research is an android-based sports facilities and infrastructure location search application by utilizing GPS geolocation that can detect the coordinates of smartphone users and can display distances, road routes, and location updates. This application uses a data collection method by observation and identifying problems to test applications that are in accordance with community and functional needs. By utilizing Location-Based Services technology, it also increases the convenience of application users who want to exercise. After this sports venue search application is perfect, it will be able to run on the latest android or can run on ios for further features in the development of this application.

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J. OF ICT, VOL. 5, NO. 2, PP.015-027, DES 2023
ISSN: 26861089 (ONLINE)
DOI: 10.52661
Journal of Informatics and Communications Technology (JICT)
Implementation of Rest API in Sports
Facilities and Infrastructure Finding
Application in Yogyakarta City
Tegar Riandi Sutrisno #1, Adam Sekti Aji #2
# Informatics Departement, University of Technology Yogyakarta
Jl. Ring Road Utara, Jombor Lor, Mlati, Sleman, Yogyakarta, Indonesia
1 tegarriandy@gmail.com
2 adamaji@staff.uty.ac.id
Received on 13-11-2023, revised on 30-11-2023, accepted on 07-12-2023
Abstract
Yogyakarta is a city that has many sports facilities and types of sports. However, not all sports facilities are known by the
people of Yogyakarta, especially for migrants from outside the city. So that a sports venue search mobile application is
needed that can provide information about sports facilities, the need for sports facility information that can be accessed
whenever and wherever the user is. Based on the above problems, it is proposed to create an android-based nearest sports
venue search system. This system determines the location of the nearest facilities and infrastructure from the user's position
by calculating the distance from two coordinate points and displayed on google maps and displaying the route to the nearest
sports venue from the user. The result of this research is an android-based sports facilities and infrastructure location search
application by utilizing GPS geolocation that can detect the coordinates of smartphone users and can display distances, road
routes, and location updates. This application uses a data collection method by observation and identifying problems to test
applications that are in accordance with community and functional needs. By utilizing Location-Based Services technology,
it also increases the convenience of application users who want to exercise. After this sports venue search application is
perfect, it will be able to run on the latest android or can run on ios for further features in the development of this application.
Keywords: Google Maps API, Mobile, Location-Based Service, Rest API
I. INTRODUCTION
Yogyakarta is known as the city of students, where there are many overseas students from various regions
in Indonesia. The number of students and students in Yogyakarta certainly causes rapid development for the
business of building sports facilities such as basketball courts, soccer fields, futsal courts and others. Thus there
are many construction of sports facilities in Yogyakarta causing us as migrants confusion in finding the location
of the types of sports, information and search for the nearest location of sports facilities. The use of applications
with Location Based Services (LBS) systems is very necessary for the wider community, and one form of
service is the Google Maps API which uses technology to display the geographic location of a place based on
latitude and longitude [1]Along with the rapid development of technology, this Location Based Services (LBS)
based sports facility search application service is needed in providing information to its users where this
application service can be accessed anytime and anywhere [2].Problems that occur in the community, especially
people who come from outside the Yogyakarta area, will have difficulty in finding the location of the nearest
sports facilities and infrastructure if they want to exercise.

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The desire to exercise will experience obstacles due to ignorance about the location of the sports venue you
want to go to. Many studies have applied the Google Maps system as a location service provider and route to
the location [3]The public's view of sports venues in Yogyakarta is that there are certainly many sports venues
available so people will think that the place is easy to find and access by traveling around which takes a lot of
time, but people do not know complete information about the place. In addition, people will have difficulty in
finding a route to get to the place with more efficient time and lack of understanding which is quite important
because each sports venue has different operating hours and route terrain.
This application is based on LBS (Location Based Service) which is a location-based service that can be
accessed through android mobile devices [4] This application is designed and created using Android Studio as
software to develop applications on these mobile devices. The application of this application is also very helpful
for use among students, students, and workers who often have many activities and also want to do sports
activities so as not to waste a lot of time looking for the location of the sports venue they want to go to. Mobile
application is a form of software that runs on smartphone systems and the like. mobile applications can be
accessed by users if the user has downloaded it and mobile applications are useful for adding functionality to
smartphone devices because they have certain functions [5]
Based on this problem, a service application was made that can facilitate the search for accurate sports
facilities in Yogyakarta with the title "Implementation of Google Maps API in the application of sports facilities
and infrastructure search in the city of Yogyakarta". This application is expected to help students and migrants
in Yogyakarta in finding the location of the sports facilities so as not to be confused. There are several studies
with themes that discuss similar things. Research from [6] with the title "Vespa Workshop Search Application
in Depok City Based on Android with Location-Based Services (LBS) Method". In this study, it is known from
the results of the discussion that this application uses the LBS method which is applied to be implemented in
determining the accurate location of vespa workshops in the city of Depok. The LBS design uses the Google
Maps API designed by the author using javascript programming with android studio which is supported by the
android system 4.4 onwards.
II. LITERATURE REVIEW
Based on the exposure of previous research, the urgency of research is centered on the needs of the community
in obtaining location-related information that can be accessed using a smartphone and the use of Location-
Based Services (LBS) methods that support the resolution of community obstacles that are less familiar with
the geographical location of an area that provides accurate location and route information [7]
Research with the title "Utilization of Android-Based Technology in Quick Search for Nearby Tourist
Attractions in Karo Regency" by [8] In this study, an application was created that helps every visitor who has
difficulty visiting tourist attractions in Karo district because they do not know where the location of the nearest
tourist attractions is from the user.
Research with the title "Development of Web-Based Search Applications for Boarding Houses and Rented
Houses in Manado" made by [9]. This research is aimed at users in the province of North Sulawesi which has
an area of 157.26 km2 and has a population of around 527,007 people who have problems finding boarding
houses based on geographical locations that are difficult to reach or do not know about the location of boarding
houses and rented houses in Manado.
Research with the title "College Search Application Design" made by [10]. This research aims to assist
prospective students in finding information and locations of universities in Yogyakarta. The results obtained
from the research are in the form of web design for the admin in managing the application and processing
incoming data while the application on android is used by the user to search according to the application
function. This application is designed using UML design with Visual Paradigm 15.2 and the development of
the application system with the java programming language using the MySQL 5.0.11 database.
Research with the title "Tourist Attraction Search Application Using Location Based Service Method in the
Android-Based South Central Timor Regency Area" by [11]. In the context of this research, it makes it easier
for users to find tourism locations more effectively by using applications that utilize Location Based Service in
South Central Timor.

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Research with the title "Hotel Search Application in Jakarta City Based on Android with Location Based
Services (LBS) Method Using Android Studio" made by [12]. In this study, it can be concluded that this research
aims to help people find accurate locations and information from hotels in Jakarta. This application is designed
using the LBS method and java programming which uses a computer device as a server and an android device
as a user integrated Global Positioning System (GPS) as a real-time operation.
III. RESEARCH METHOD
In this research presentation using the User Centered Design method which makes an organized and
understandable design structure, a detailed research or analysis is needed to obtain research results that are easy
to understand [13]. Solving problems that occur during analysis can create a better system [14]. In this research
method, the author explains the framework of the research stages carried out, so that it can be a guideline in
solving problems that will be faced in making this sports venue search application.
Fig. 1. UCD Method
The data needed are primary data and secondary data [15]. This research is qualitative in nature involving
other authors researching similar things so that the author understands the context with the situation being
studied [16]. The following are the stages of the research flow carried out so that the author can carry out
research activities in a structured manner so that the results of this research are satisfactory as planned. The
explanation of the research flow above includes the following aspects:
3.1 Data Collection
In this data collection stage, it begins with conducting a literature study to carry out a comparison between
previous journals that discuss the same case about Location-Based Services (LBS) [17]. Further data collection
is carried out by observing problems that have the potential to hinder research results.
3.2 Requirements Planning
Planning needs in this chapter are meant to prepare two things, namely problem identification and system
requirements analysis. Problem identification discusses solutions to solve existing problems in research.
Analysis of system requirements discusses the modeling of application designs made. In this case the modeling
used is Unified Modeling Language (UML) modeling. The design also uses GPS technology to track the user's
location by utilizing latitude and longitude [18].
a. Use Case Diagram
Use Case Diagram is a description of the expected scenario of interaction between users and the system and
the functions of the system being built. This Use Case Diagram itself explains how the role of each actor on
data and information in the system [17]. This section describes each explanation of the Use Case Diagram
between the admin and application users who are interrelated [19]. This sports venue search mobile application

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is intended for the people of Yogyakarta, especially the people who come from outside the city. The following
is the Use Case Diagram of the system shown in Figure 2.
Fig. 2. Use Case Diagram
b. Activity Diagram
The flow of activities from the beginning, process, to the end is described in the Activity Diagram. Activity
Diagram is a special diagram state in which most states are actions performed and most transitions are caused
by the completion of the previous state. Therefore, Activity Diagrams do not describe the internal behavior of
a system in an extra way, but rather describe the processes and paths of activity from the top level in general
[20].
Displaying system activity on the profile page carried out by the user then the system displays the request in
accordance with the user's request to go to the profile page. The profile page displays data inputted by users
through registration such as email, username, number.
Fig. 3. Activity Diagram Profile Menu

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Fig. 4. Activity Diagram Explore Menu
Displays system activity on the explore page carried out by the user then the system displays requests from
users to display various kinds of sports venues in Yogyakarta. Then the explore menu displays details of sports
venues such as location, admin number, operating hours and routes to the venue.
3.3 Implementation
This implementation stage is a stage that produces system testing of applications designed as a result of the
previous stages including system design. After going through various kinds of research and analysis, the design
will be implemented.
An overview of the proposed system process from the problem, in the initial process the user logs in using
the id and password that has been created by the user in the application. Then the system will store the data.
Users can choose a category in finding the location they want to find and then the system will display the
location and detailed information related to the sports venue, When the user wants to get directions to the
location of the sports venue the system will open a google map and will display a route that leads to where the
location is located.
Fig. 5. Analyze the System Used
In the preparation of this sports venue search application design requires sufficient hardware and software to
be used in making the application. This hardware is a device used by application compilers in making use of

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existing tools. The application is arranged according to the capabilities of the device with the specifications of
the table below.
TABLE I
HARDWARE AND SOFTWARE SUPPORT
No
Hardware
Software
1
Laptop Lenovo Ideapad
Slim 3
XAMPP
2
Processor AMD ryzen 5
5500U with Radeon
Graphics (12CPUs), 2.1GHz
Visual Studio Code
3
RAM 8 GB
Android Studio
4
SSD 522 GB
Browser Chrome
5
AMD VEGA 6
The software above includes tools used to create application designs in the form of UI displays, servers, and
databases. The following is a table that contains the tools used on the device for making the sports facility search
application. The database table is used to determine table structures such as field names, data types, field
lengths, and field descriptions. This structure is used in creating the database.
a. User Table Database
The user table aims to store user data that is used when the user will log in when registering in the application.
This table contains id_user as the primary key, email, phone, password, con_password, location to store user
data.
TABLE II
IDENTITY USER DATABASE
No
Field Name
Data Type
Status
1
id_user
Int(11)
Primary key
2
email
Varchar(100)
No
3
phone
Varchar(15)
No
4
password
Varchar(50)
No
5
location
Text
No
b. Db_lokasi Table Database
The db_location table aims to store registered location data. This table contains id as the primary key, category
as separating the database place, name_place to store the name of the location, address to store the address,
region to store sub-district and district data, telephone to store cellphone numbers, and operational to store
location operating hours can be seen in Table 4.
TABLE III
IDENTITY LOCATION DATABASE
No
Field Name
Data Type
Status
1
id
int(10)
Primary key
2
kategori
Text
No
3
nama tempat
Varchar(150)
No
4
wilayah
Text
No
5
alamat
Varchar(250)
No
6
telp
Varchar(50)
No
7
operasional
Varchar(150)
No
the following image is the implementation of database identity on the table to my sql:

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Fig. 6. Database Implementation on MySQL
IV. RESULTS AND DISCUSSION
4.1 System Testing User
System testing is a test of applications that have been designed to determine the results of the design that has
been made and can identify problems that occur. This test displays the running results of the application on a
smartphone.
a. Splash Screen Page View
The splash screen page will appear when the application is opened where it will display a splash screen in the
form of logo animation and different background colors.
Fig. 7. Splash Screen Page Display
b. Login Page View
The login page is intended for users to input Email and Password in order to enter the dashboard page. The
input must be an Email or username and also a password with mixed characters of letters and numbers, if the
user enters the wrong email format or an invalid password, a message will appear containing "Login failed",
besides that on the Login page there is also a text sign up which functions for registration.

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Fig. 8. Login Page Display
c. Register Page View
On the register page the user is asked to fill in the data to create an account, which will later be used to log in
on the login page, as well as the login activity, if the user enters the data incorrectly or incompletely then a
message will appear requiring the user to fill in all the data completely and correctly, but if the user already has
an account then, can directly perform login activities by using the sign in button.
Fig. 9. Register Page Display

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d. Home Page View
The dashboard page will appear after the user has successfully performed Login or Register activities. The
dashboard page will display 6 menus, namely "futsal page", "gym", "basketball", "soccer", "badminton",
"profile", and the "Logout" menu functions when the user wants to log out or change another account.
Fig. 10. Home Page Display
e. Explore Page View by Category
The explore page contains a listview, each photo and name of each tourist spot, each location is equipped
with a detail button that will display the place of the sports facility. Users will go to the location details page
after pressing the button of one of the categories such as futsal, gym, basketball, soccer, and badminton.
Fig. 11. Explore Page Display

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f. Profile Page View
On the account page, after the user has successfully logged in, information such as User Name, Email, Phone
Number, location will appear according to the data that has been registered on the Register page. Users can
view and change the data that has been listed by pressing the email, or active telephone number. Then for
location data following the GPS feature that tracks the user's location.
Fig. 12. Profile Page Display
g. Location Details and Maps Page View
The details page will display details related to the tour, this page also features a slide image feature, where
users can slide the image to see other images at that location, besides that on the details page there is also a
button (Button route) which functions as a map viewer, to go to the location of the destination sports facility.
The maps page will display the desired location maps after pressing the route button on the application details.
Fig. 13. Location Detail Display and Maps

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4.2 System Testing Admin
This test displays the admin interface to manage the location of sports facilities and infrastructure based on
updated information in order to maintain the accuracy of information in the application in the form of detailed
location information, contact numbers, coordinate points and operating hours.
a. Location Data Input View
This page is used for admins to input location data that they want to add and will later be displayed on the
location data page.
Fig. 14. Location Data Input Display
b. Display of Inputted Location Data
On this page displays the location data that has been inputted as above which will be displayed also on the
mobile display.
Fig. 15. Inputted Location Data Display
4.3 Result Test
From the results of the application demo screenshot above for the application program created includes a
login, register, dashboard, profile, sports venue display, and details of the nearest sports venue. the following
table describes the application testing.

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TABLE IV
RESULT TEST
No.
Item Testing
Detail Testing
Status
1
Sign in
Input Email
Success
2
Sign in
Input Password
Success
3
Sign in
Enter the main menu
Success
4
Button profile
Enter the profile page
Success
5
Button explore
Enter the explore page
Success
6
Button detail explore
Enter the detail page
Success
7
Button logout
Back to Sign in menu
Success
8
Fitur image slide
Slide image on explore details
Success
9
Sign up
Enter data for Login
Success
10
Button route
Into the Maps
Success
11
Update location admin
Input detail location
Success
12
Read location updated
Read location
Success
V. Conclusion
Based on the results of the research application of the Implementation of the Mobile User Centered Design
Method using the Rest API on the Mobile-Based Sports Facilities and Infrastructure Search Application, it can
be concluded that this application makes it easier for overseas people to get and know the address, location, and
sports venues accurately. Based on the systems and programs that have been built, it makes it easier for overseas
communities to find the nearest sports venues to make it more efficient to get to the location, and make it easier
for people to exercise at every sports venue in Yogyakarta, with this application the community also becomes
easier in determining suitable destinations or those they want to go to, with detailed information such as the
latest information and photos about the place of sports facilities and infrastructure. The suggestions that can be
conveyed by researchers to develop the application for the better are to add rating features to the application as
well as reviews so that the application can sort from the best rating to the lowest rating and make the User
Interface even better and a simpler look but easy to use by various groups. Later this application will also be
developed multi-platform so that it can run on android and IOS with updated specifications.

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