App Design Research Articles

Development of a Novel Mobile Health App to Empower Young People With Type 1 Diabetes to Exercise Safely: Co-Design Approach.

Blood glucose management around exercise is challenging for youth with type 1 diabetes (T1D). Previous research has indicated interventions including decision-support aids to better support youth to effectively contextualize blood glucose results and take appropriate action to optimize glucose levels during and after exercise. Mobile health (mHealth) apps help deliver health behavior interventions to youth with T1D, given the use of technology for glucose monitoring, insulin dosing, and carbohydrate counting. We aimed to develop a novel prototype mHealth app to support exercise management among youth with T1D, detail the application of a co-design process and design thinking principles to inform app design and development, and identify app content and functionality that youth with T1D need to meet their physical activity goals. A co-design approach with a user-centered design thinking framework was used to develop a prototype mHealth app "acT1ve" during the 18-month design process (March 2018 to September 2019). To better understand and respond to the challenges among youth with diabetes when physically active, 10 focus groups were conducted with youth aged 13-25 years with T1D and parents of youth with T1D. Thereafter, we conducted participatory design workshops with youth to identify key app features that would support individual needs when physically active. These features were incorporated into a wireframe, which was critically reviewed by participants. A beta version of "acT1ve" was built in iOS and android operating systems, which underwent critical review by end users, clinicians, researchers, experts in exercise and T1D, and app designers. Sixty youth with T1D, 14 parents, 6 researchers, and 10 clinicians were engaged in the development of "acT1ve." acT1ve included key features identified by youth, which would support their individual needs when physically active. It provided advice on carbohydrates and insulin during exercise, information on hypoglycemia treatment, pre- and postexercise advice, and an educational food guide regarding exercise management. "acT1ve" contained an exercise advisor algorithm comprising 240 pathways developed by experts in diabetes and exercise research. Based on participant input during exercise, acT1ve provided personalized insulin and carbohydrate advice for exercise lasting up to 60 minutes. It also contains other features including an activity log, which displays a complete record of the end users' activities and associated exercise advice provided by the app's algorithm for later reference, and regular reminder notifications for end users to check or monitor their glucose levels. The co-design approach and the practical application of the user-centered design thinking framework were successfully applied in developing "acT1ve." The design thinking processes allowed youth with T1D to identify app features that would support them to be physically active, and particularly enabled the delivery of individualized advice. Furthermore, app development has been described in detail to help guide others embarking on a similar project. Australian New Zealand Clinical Trials Registry ACTRN12619001414101; https://tinyurl.com/mu9jvn2d.

Research on Visual Design of Smart Phone APP Interface Based on Human-Computer Interaction Behavior

This paper explores the application and influence of human-computer interaction behaviours in the visual design of smartphone APP interfaces. This paper firstly analyses the user's behavioural characteristics, interaction mode and optimization of the interaction process, and points out that the interface design should be closely integrated with the user's needs. Then the article puts forward the principles of smartphone app interface visual design, which provides a guiding framework for designers. In elaborating the design elements, the importance of colour, icon and text in interface design is emphasized, and the corresponding design principles and methods are proposed. The article concludes with a summary of the research results pointing out the problems and shortcomings, and looking forward to the future development trends and directions. This article aims to improve the user experience rate and interaction efficiency of smartphone APP interface design, and provide useful references for research and practice in related fields.

Clinicians Leading the Design of a Patient App.

This case study describes the development of a patient facing app to aid the collection of accurate data for nursing assessment for care pathways. The project was led by service leads in co-production with a small supplier. Apps can be a user-friendly solution which enhance patient-centred care and significantly reduce service admin time. The impact shows that the innovation achieved to solve the problems identified at the outset. Digital health innovations are more successful with the engagement of users, and the authors want to encourage colleagues and services across the NHS to lead digital innovation in this case study.

Usability of a Mobile Health Technology for HIV Testing Among Sexual Minorities.

In the United States, young men who have sex with men (YMSM) and young transgender women (YTGW) are disproportionality affected by HIV. To overcome this public health problem, we created and tested the mLab application (app), a novel mobile health (mHealth) that offers HIV prevention information and an imaging algorithm for interpreting the at-home HIV test. This study assessed the mLab app usability for HIV testing and its relation to users' education and health literacy. The results showed high user satisfaction and perceived usability of mLab to provide accessible HIV testing solutions for YMSM and YTGW. Findings suggest that the rigorous user-centered design of the mLab app supported a usable app independent of education and health literacy levels.

A web experience exploring spatio–linguistic data: the case of place-making signs in Northern Sweden

ABSTRACT Previous research has highlighted the limitations encountered in representing the dynamism of language use and contacts. Here, linguistic landscapes from five towns in Northern Sweden are the point of departure for investigating novel perspectives through the geovisualization of multilingualism, with the ultimate aim of understanding how languages in our surroundings help construct public spaces. As an outcome, a web GIS application, based on 6865 thematically analyzed photographs, was developed as an interactive resource for visualizing and sharing the data and enabling new modes of analysis and new research questions. The article describes the data collection and curation processes, app development using GIS software and software-as-a-service, the eventual app design and interaction, and the update and maintenance plans, as well as discussing challenges and considerations related to temporalities, spatialities, and technicalities. The web GIS has potential applications in spatial analysis, research communication, and education.

Adolescent-Centered mHealth Applications in a Collaborative Care Model: A Virtual Focus Group Study With Audiologists.

Technology-enabled care, including the use of mobile health (mHealth), is emerging as a viable hearing health care delivery method. While the integration of mHealth with adult populations currently supports a wide array of hearing services, a better understanding of the implementation across the lifespan is needed. Literature surrounding the unique population of adolescent hearing aid users is currently lacking. Research is needed to highlight factors important to the use and clinical integration of mHealth hearing aid applications (apps) with adolescents. This study explored two primary objectives: (a) audiologists' perceptions around the use of mHealth apps to enable collaborative, child-inclusive hearing aid personalization, and (b) person-centered ideation around potential app design components to benefit users aged 12 to 17 years. Twelve audiologists participated in virtual synchronous focus groups, across three group sessions using Cisco Webex. Sessions were recorded, transcribed, and analyzed using an inductive, codebook thematic analysis approach. Six main themes resulted from group discussion analyses: (a) client candidacy: characteristics impacting suitability for mHealth use; (b) clinical implementation: organizational, professional, or patient-level strategies for mHealth adoption; (c) collaboration: the use of two or more individuals working together; (d) empowerment: process of acquiring and using knowledge, skills, and strategies; (e) remote technology: technologies enabling remote hearing aid personalization; and (f) application functionality and design: features and characteristics important to an adolescent-focused app. Findings identified the potential for clinical integration of hearing aid apps with adolescents in a collaborative care model, including consideration of child-specific use patterns, outcomes, and key design and technology components to support real-world implementation and use. Results may guide development and tailoring efforts around existing and future hearing aid apps for use with adolescent populations.

Are real-time volunteer apps really helping visually impaired people? A social justice perspective

While digital technologies have undoubtedly enhanced the quality of life for individuals with visual impairment, their influence on social justice remains underexplored. Drawing upon intergroup contact theory, this study employs a mixed-methods approach, utilizing both surveys and interviews, to examine the impact of real-time volunteer apps on social justice from the perspectives of both visually impaired people (VIP) and non-impaired people (NIP). Our results reveal unintended adverse effects associated with the use of real-time volunteer apps. Despite enhancing perceived social connection, these apps paradoxically increase VIP's prejudice vulnerability, which is potentially attributed to the social contrast effect. Meanwhile, app usage increases NIP's stereotyping and reduces their social acceptance of VIP groups, as these apps fail to create equal status contact between NIP and VIP. This research illuminates the complex dynamics of how information technology (IT) affects social justice for VIP and highlights the overlooked downside of IT. It advances our understanding of intergroup contact theory by providing empirical evidence on contact effects when equal status conditions are lacking and serves as a reminder to app designers and developers of the crucial role of social influence in app design, particularly in the development of apps intended for minority groups.

User-centered design of a mobile app for physical activity advice in cancer care: preliminary study in Morocco at the National Institute of Oncology

ContextUtilizing mobile apps to increase physical activity levels is now standard practice in cancer care. The study’s objective was to provide patients with precise physical activity recommendations and/or initiate self-directed exercise programs.MethodsA multidisciplinary group directed the design procedure. We adhered to the self-determination approach,and accompanying behavior modification strategies, as well as international guidelines in the field of physical activity in cancer care. The design process was user-centered and involved three steps: Understanding the user and the context, conceptualization, and evaluation of the prototype. The testing was carried out by the beneficiaries, healthcare professionals, and two experts. Three criteria were evaluated in the designed solution: usability, quality, and potential for behavior change.ResultsThe evaluation results of the designed solution showed good perception by both beneficiaries and healthcare professionals. The average system usability scale score was 90,6 (SD: 7.33) for beneficiaries, and 92.75 (SD: 3.83) for healthcare professionals. The first expert received a mean overall quality score of 4.51 on the mobile app rating scale, while the second received a score of 4.27. The results of the app behavior change scale gave the first expert a score of 17/21 and the second a score of 15/21.ConclusionBased on the criteria of usability, quality, and potential for behavior change, the designed app demonstrated positive results. This is a preliminary evaluation, which will be followed by additional, in-depth evaluations with larger sample sizes.

Unlocking the secrets of daily app switching: a comprehensive guide to mastering both intra-app and inter-app search strategies

PurposeThe purpose of this research is to provide insights into the daily search strategies of users, which can inform the enhancement of search experiences across multiple applications. By understanding how users navigate and interact with different apps during their search processes, the study seeks to contribute to the design of more intuitive and user-friendly app systems.Design/methodology/approachThis study employs a mixed-methods approach to analyze users' daily search strategies in a natural cross-app interactive environment. Data collection was conducted using the Critical Incident Technique and the Micro-Moment Time Line, involving 204 participants to capture their real-time search experiences. Open coding techniques were utilized to categorize sequential search tactics, while the PrefixSpan algorithm was applied to identify patterns in frequently applied search strategies.FindingsThe study findings unveil a comprehensive framework that includes a variety of intra-app search tactics and inter-app switching tactics. Five predominant search strategies were identified: Iterative querying, Selective results adoption, Share-related, Recommended browsing, and Organizational results strategies. These strategies reflect the nuanced ways in which users engage with apps to fulfill their information needs.Originality/valueThis research represents a pioneering effort in systematically identifying and categorizing daily search strategies within a natural cross-app interaction context. It offers original contributions to the field by combining intra-app and inter-app tactics, providing a holistic view of user behavior. The implications of these findings are significant for app developers and designers, as they can leverage this knowledge to improve app functionality and user manuals, ultimately enhancing the overall search experience for users.

A multi-informant qualitative analysis of desired features for an mHealth tool for youth living with HIV in South Carolina.

Youth living with HIV (YLHIV) in the southern United States experience poor outcomes across the HIV care continuum and are at high-risk for virologic failure. This study used a qualitative, community-engaged approach to inform the development of a tailored mobile Health (mHealth) tool for YLHIV in South Carolina (SC). Semistructured qualitative interviews were conducted with YLHIV in SC (n = 16) and their HIV care providers (n = 15). Focus group discussions (FGDs) were also conducted with HIV-focused community-based organization staff (n = 23). Interviews and FGDs queried desired components for a future mHealth tool tailored for YLHIV. Data were analyzed using a team-based rapid qualitative approach. Across informants, key themes emerged related to medical management of HIV, including a desire for connections with medical providers, appointment and medication reminders, and accurate HIV information. In addition, informants voiced a desire for mental health resources to be integrated into the app. Connection with HIV-positive peers also emerged as a key desire from youth informants. In terms of app design, informants emphasized the need for strict privacy practices, a youth-friendly design, compensation for use, and integration with existing healthcare systems. mHealth interventions developed for YLHIV should meet the mental health and social needs of YLHIV in addition to their medical needs. In addition, the highly stigmatized nature of HIV requires careful consideration when designing digital tools-youth want their privacy prioritized, but also express strong desire for social support to help cope with the isolation and stigma of this chronic health condition.

A Novel mHealth App for Smokers Living With HIV Who Are Ambivalent About Quitting Smoking: Formative Research and Randomized Feasibility Study.

More people who smoke and are living with HIV now die from tobacco-related diseases than HIV itself. Most people are ambivalent about quitting smoking and want to quit someday but not yet. Scalable, effective interventions are needed to motivate and support smoking cessation among people ambivalent about quitting smoking (PAQS) who are living with HIV. This study aims to develop an app-based intervention for PAQS who are living with HIV and assess its feasibility, acceptability, and potential impact. Results of this study will inform plans for future research and development. In phase 1, PAQS living with HIV (n=8) participated in user-centered design interviews to inform the final intervention app design and recruitment plan for a subsequent randomized pilot study. In phase 2, PAQS living with HIV were randomized to either a standard care control app or a similar experimental app with additional content tailored for PAQS and those with HIV. Participants were followed for 3 months. Feasibility focused on recruitment, retention, and participants' willingness to install the app. The study was not powered for statistical significance. Indices of acceptability (satisfaction and use) and impact (smoking behavior change and treatment uptake) were assessed via automated data and self-report among those who installed and used the app (n=19). Recruitment for both study phases was a challenge, particularly via web-based and social media platforms. Enrollment success was greater among people living with HIV recruited from a health care provider and research registry. Once enrolled, retention for the phase 2 randomized study was good; 74% (14/19) of the participants completed the 3-month follow-up. Phase 1 findings suggested that PAQS living with HIV were receptive to using an app-based intervention to help them decide whether, when, and how to stop smoking, despite not being ready to quit smoking. Phase 2 findings further supported this conclusion based on feedback from people who agreed to use an app, but group differences were observed. Indices of acceptability favored the experimental arm, including a descriptively higher mean number of sessions and utilization badges. Similarly, indices of potential impact were descriptively higher in the experimental arm (proportion reducing smoking, making a quit attempt, or calling free tobacco quitline). No participants in either arm quit smoking at the 3-month follow-up. On the basis of this formative work, PAQS living with HIV may be receptive to using a mobile health-based app intervention to help them decide whether, when, or how to stop using tobacco. Indices of acceptability and impact indicate that additional research and development are warranted. ClinicalTrials.gov NCT05339659; https://clinicaltrials.gov/study/NCT05339659.

User Acceptability Testing of Mobile Application in Indian Local Languages for Cardiovascular Risk Stratification and Modification among Patients with Type 2 Diabetes

Introduction: Cardiovascular disease is the leading cause of death in patients with type 2 diabetes. Digital health tools like mobile application have fast emerged as a technology capable of closing the gap in cardiovascular disease self- management and revolutionizing the way healthcare is traditionally delivered. One of the causes for low app engagement of Apps in India is perhaps that few of these apps are available in local languages. The goal is to reach as many diabetic patients as possible while avoiding linguistic hurdles.  Methodology: The ‘healthy heart’ mobile app was developed and translated into Hindi and Marathi languages for CVD risk stratification and risk management among Type 2 diabetes mellitus patients. User acceptability testing of the app on its design, presentation, content, and user- friendliness was undertaken. The feedback on utility of the app for CVD risk stratification and modification was assessed. A total 100 multilingual app users profile were noted for CVD Risk Status, Life Style Practices and CVD Risk Factors.  Results: The Healthy Heart multi-lingual app was successfully developed for CVD risk classification and risk management among Type 2 diabetes mellitus patients. The patients had the choice to select the desired language of the app from the versions available in English, Hindi and Marathi. The Mobile App's Home Screen displayed the CVD risk score and category, a health tracker to monitor compliance with WHO recommendations regarding diet, physical activity, addictions, medication adherence, diabetic, and CVD Risk Profile. The majority of respondents rated the App's design, presentation, content, and user- friendliness favorably and emphasized the utility of App for CVD self-management and risk reduction. Characteristics of Type 2 Diabetic patients demonstrated poor compliance for total fruits and vegetable intake, total fat intake and total salt intake, physical activity Guidelines apart from poor control for blood pressure, glycemic control and lipid targets.  Conclusion: The multilingual mobile App for CVD risk stratification, self-management and CVD risk reduction among diabetic patients was successfully developed in Hindi and Marathi language. User acceptability testing results were found to be favorable for the mobile app.

How to Encourage Continuous Use of Fitness Apps among Female Users?

The proportion of women engaging in insufficient physical activity is higher than that of men, and they may face greater barriers. Fitness apps, as effective tools for behavior change, can significantly promote active physical activity among women. Notably, women constitute over 60% of fitness app users. However, few studies have focused on the reasons behind the continuous use of fitness apps by female users. This study investigates the impact of different perceived values on the satisfaction and continuance intention of female fitness app users. A total of 395 female fitness app users from Guangzhou, China, participated in this study. The results indicate that hedonic value (β = 0.190, p < 0.001), utilitarian value (β = 0.171, p = 0.007), and health value (β = 0.440, p < 0.001) significantly and positively influence the satisfaction of female fitness app users. However, only utilitarian value (β = 0.135, p = 0.018) and health value (β = 0.436, p < 0.001) have a significant positive impact on the continuance intention, while hedonic value (β = 0.028, p = 0.547) does not. Additionally, satisfaction mediates the relationship between utilitarian and health values and continuance intention. Therefore, the design of fitness apps should prioritize helping female users achieve utilitarian and health values rather than overemphasizing hedonic-value-related content.

Expediting the design and development of secure cloud-based mobile apps

The adoption and popularity of mobile devices by end-users is partially driven by the increasing development and availability of mobile applications that can aid solving different problems and provide access to services in a wide range of domains or categories, namely healthcare, education, e-commerce or entertainment. While these applications use and benefit from the combination of a wide panoply of technologies from the Internet of Things, fog and cloud computing, data security and privacy are typically not fully taken into account before the creation of many mobile applications or during the software development phases. This paper presents an in-depth approach to modeling attacks on the specific cloud and mobile ecosystem, given its importance in the process of secure application development. Moreover, aiming at bridging the knowledge gap between developers and security experts, this paper presents an alpha version of the security by design for cloud and mobile ecosystem (secD4CloudMobile) framework. secD4CloudMobile is a set of tools that covers cloud and mobile security requirement elicitation (CMSRE), cloud and mobile security best practices guidelines (CMSBPG), cloud mobile attack modeling elicitation (CMAME), and cloud mobile security test specification and tools (CM2ST). The purpose of the framework is to provide cloud and mobile application developers useful readily applicable information and guidelines, striving to bring security engineering and software engineering closer, in a more accessible and automated manner, aiming at the incorporation of security by construction. Finally, the paper presents some preliminary results and discussion.

For queer lovers and friends: an exploration of queer connection by design in the Lex Mobile App

ABSTRACT What does it mean for a dating app to be queer by design? In this article, I examine the extent to which Lex, the queer dating and social app, diverges from algorithmically heteronormative interface paradigms to express queer temporalities and relationalities. To do so, I analyze Lex’s 2019–2022 interface using the walkthrough method, which involves critically engaging with an app’s features and functionality, vision, operating model, and governance, to uncover embedded cultural meanings and assumptions. With walkthroughs, I analyze Lex’s software components, terms of use, privacy policy, community guidelines, and branding discourse, while considering the platform’s original references to archival personal ads. From this analysis, I argue that Lex’s affordances queer dating app design by resisting compulsory data collection, countering binary sorting and categorical definitions of gender and sexuality, and disengaging from economies of visibility through text-based interaction, highlighting situated histories of queer information networks amidst normative frameworks. I extend this work to characterize how queer affordances in digital infrastructures can encourage fluid identities and pluralistic modes of connecting that draw upon rich histories of resistance in queer information practices, reinforcing calls for increased intersectionality in interface design.

Interface Design and Functional Optimization of Chinese Learning Apps Based on User Experience

This research paper investigates the interface design and functional optimization of Chinese learning apps through the lens of user experience. With the increasing popularity of Chinese language learning apps in the era of rapid mobile internet development, users' demands for enhanced interface design and interaction experience have grown significantly. The study aims to explore the influence of user feedback on the design and functionality of Chinese learning apps, proposing optimization strategies to improve user experience and learning outcomes. By conducting a comprehensive literature review, utilizing methods such as surveys and user interviews for data collection, and analyzing user feedback, this research identifies existing issues in the interface design and interaction experience of Chinese learning apps. The results present user opinions, feedback analysis, identified problems, improvement directions, and specific optimization strategies. The study discusses the potential impact of these optimization strategies on enhancing user experience and learning outcomes, compares findings with previous research, addresses limitations, and suggests future research directions. In conclusion, this research contributes to enriching the design theory of Chinese learning apps, offering practical optimization recommendations for developers, and supporting the continuous advancement of Chinese language learning apps.

PET PARADISE : PET LOVERS HAVEN

Abstract: This paper explores the business strategies of the pet industry under the Internet economy from the perspective of service design, so as to improve the service quality, customer satisfaction, user experience and competitiveness of the pet industry. Based on the characteristics of the Internet economy era, this paper elaborates its concept, meaning and value, and discusses the development status of online pet transaction and the development trend of the industry. Combining with the design of a pet APP, an online and offline mutual complementary network platform is established. By constructing a map of target users, discovering key touch points in the service process, and creating usage “scenarios”, a relatively complete service chain can be formed, and pets can be integrated into the value form of personal life. Keyword: Html ,Css, Javascript, React js, Mongo db

Investigating the Influence of Temperature on UAV Signal Quality

Advancements in drone technology make them important in many areas. military, industry, and disaster The efficacy of a drone's communication systems can be greatly impacted by temperature fluctuations, either from environmental conditions or mechanical problems in the drone's construction. This study gives an analysis and computational model of the impact of temperature on the performance of drone communication. Utilizing a one-dimensional convolutional neural network, we aim to forecast the signal-to-noise ratio (SNR) and received signal strength indicator (RSSI). Following the initial stage of dataset creation in the drone laboratory, proceed to reprocess the dataset and divide it into a 70% training set and a 30% testing set. Subsequently, a graphical user interface (GUI) was developed using MATLAB App Designer to enhance user friendliness. The outcome suggests that the efficiency of the drone communication system declines with rising temperatures. Using 1DCNN is our contribution to this work; other studies depend only on simulation to assess performance. One benefit of 1DCNN is that the impact may be evaluated by automatically extracting important features from the input dataset. Using 1DCNN is our special addition to this project; other research evaluate the UAV communication system's effectiveness only through simulation. We propose in this work to optimize system characteristics for improved performance, including power transfer, by adding a feedback loop between the CNN result and the communication system. Furthermore, we investigate how different weather conditions, such wind and rain, affect UAV communication systems.

Developing a Modular Survey App Using Co-design Principles

The objective of our project was to develop a smartphone app for administering shorter (“modular”) surveys. Given the paucity of research on this topic, we decided to use “co-design” techniques to generate design solutions. To implement these techniques, we recruited respondents in the survey target population to work in small groups and provide design ideas for the app. In this article, we present their input and examine whether we were successful in engaging them to contribute useful ideas. Although participation levels were uneven across the different groups, we found no evidence that group engagement was low overall or declined over the course of the sessions. In addition, the groups generated a diverse set of ideas, some of which informed the final app design. These findings underscore the feasibility of applying co-design principles to survey research, though further investigation is needed with different samples and design topics.

Associations of smart device apps with and without a perceived self-efficacy component in a physical activity context with BMI.

Smart device apps can be used to promote physical activity, decrease sedentariness, or increase self-efficacy to get active in college students, possibly reducing their obesity risk. This study assessed associations of college students' smart device use with body mass index (BMI), expecting associations between physical activity parameters and self-efficacy with BMI, moderated by app type. In an online survey, app data of a week from student's devices, weight, height, physical activity, and self-efficacy to get active were collected from 120 students. Apps were categorized "physical activity," "physical activity with a self-efficacy component," or "unrelated." Use time of physical activity apps is not associated with BMI, while self-efficacy app time show negative and unrelated app time positive associations. Self-efficacy may be an important component in app design for obesity risk reduction of college students. Test economy was low, which is why future studies need to concentrate on better data extraction methods.