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All Journal E-Dimas: Jurnal Pengabdian kepada Masyarakat Sinkron : Jurnal dan Penelitian Teknik Informatika Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan JAST : Jurnal Aplikasi Sains dan Teknologi Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Jurnal Mantik JISA (Jurnal Informatika dan Sains) Jurnal Difusi Industrial Research Workshop and National Seminar Journal of Applied Islamic Economics and Finance Indonesian Journal of Computer Science and Engineering
Ghifari Munawar
Jurusan Teknik Komputer Dan Informatika, Politeknik Negeri Bandung
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Other

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Journal : Jurnal Mantik

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Performance Analysis of BLoC and Provider State Management Library on Flutter Regawa Rama Prayoga; Alifia Syalsabila; Ghifari Munawar; Rahil Jumiyani
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

A proper choice of state management library can increase the performance of the Flutter for Android application development. BLoC and Provider are the most popular state management libraries nowadays. Unlike setState, which rebuilds all widgets, the state management library allows apps to rebuild only those widgets that have state changes. However, it is not known yet how much it increased the performance by using BLoC or Provider as a state management library. This study focused on the effect of using state management libraries on the widget build process in Flutter. It was conducted by developing setState, BloC, and Provider. The performance was measured by CPU utilization, memory usage, and execution time. Experimental results show that applications that use BLoC result in (1) CPU utilization of 0.45% (2.14% more efficient), (2) memory usage of 23.27 MB (8.19% more efficient), and (3) execution time of 3.54 seconds (16.36% more efficient). The application that uses Provider results in (1) CPU utilization 0.54% (2.57% more efficient), (2) memory usage of 32.01 MB (11.27% more efficient), and (3) execution time of 4.10 seconds (19.44% more efficient). However, it should be noted that these results occur when BLoC and Provider are implemented in the leaf widget.
MOBILE-BASED E-WALLET PROTOTYPE TO SUPPORT ELECTRONIC PAYMENTS IN CAMPUS ENVIRONMENT Ghifari Munawar; Firiontina Argan Dini H
Jurnal Mantik Vol. 6 No. 1 (2022): May: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Electronic wallets (e-wallets) are currently considered to solve problems that often arise from the use of cash, especially in terms of convenience and security in transactions. The application of e-wallets in the campus environment is still rare, even if there is usually a third-party (non-official) provider. Many students using cash as a payment instrument on campus can be at risk of transmitting the COVID19 virus and other diseases, so there is an urgency to use other alternative mechanisms. This study aims to design a mobile-based e-wallet prototype that can specifically handle electronic payment transactions in the campus environment. Especially single tuition payments (UKT), payments at public service places (cooperatives, canteens, photocopying places), and fundraising for donations or events by using the QR Code as the transaction medium. System requirements exploration is carried out through questionnaires distributed to target users (students) to get a list of functional requirements. The method used in developing the application is an iterative rational unified process (RUP) model, which divides the stages into inception, elaboration, construction, and transition phases. In its implementation, the application is developed on the Android SDK mobile platform as a front-end technology using a model view presenter (MVP) architecture and the Laravel web framework as back-end technology. The e-wallet prototype that has been developed is then tested for functionality and evaluated based on user experience testing using the user experience questionnaire (UEQ) method. Based on the results of the UEQ measurements that have been made to the respondents, a positive evaluation was obtained with a value of over 0.8. This means that the prototype that has been developed is good in terms of attractiveness, functionality, display design, and comfort of use.
Co-Authors Ade Hodijah Alifia Syalsabila Ani Rahmani Arsyad, Zulkifli Auliya Aqma Dinillah Cholid Fauzi Dian Sa’adillah Maylawati Dimas Sumitra Danisworo Dimas Sumitra Danisworo Dimas Sumitra Danisworo Fansuri Munawar Firiontina Argan Dini H Gelar, Trisna Hasbi Assidiki Mauluddi Haya Utami Lutfi Kartika Sari Lukmannul Hakim Firdaus Lukmanul Hakim Firdaus Mayasari, Ine Muhammad Faatih Syauqi Hariyanto Muhammad Riza Alifi Mumuh Kustino Muharram Niko Sumanda Sibarani Rahil Jumiyani Regawa Rama Prayoga Said Al Fakhri Sari, Aprianti Nanda Setiawan Setiawan Siti Dwi Setiarini Suharjanto Utomo Tju, Teja Endra Eng Wendi Wirasta Wira Kusuma Wardana Wisnuadhi, Bambang Zikri Ariachandra