App Development Track GPS Class Implemented Correctly

App Development Trackgps Class Implemented Correct

Assessment Criteriaapp Development Trackgps Class Implemented Correct

Assessment Criteria App development - TrackGPS class implemented correctly - Cow_fragment uses TrackGPS to obtain and display the latitude and longitude - Cowlogger data copied to email - Message sent asynchronously using AsyncTask class - email received 15 Testing Strategy - Discuss the selection of mobile models and Android versions for your testing process - Discussion of whether testing is required on actual devices and what part emulators/simulators play your testing plan - Documentation of test plan 3 Sending App data - Discussion of using SMS messaging and advantages/disadvantages of SMS vs. eMail 1 Financial Case & Commentary - Discussion of the economic/financial case for the proposed app -Identification of potential costs - Estimation of technical development costs in hours - Discussion of how you would promote and market your app - Discussion of ethical issues 10 General 1

Paper For Above instruction

The development and implementation of a GPS-based mobile application, specifically focusing on the tracking and logging of cow movements, involves a multifaceted approach that encompasses technical correctness, testing strategies, data transmission methods, and a comprehensive understanding of the economic and ethical implications. This paper explores each of these components in detail, demonstrating a structured approach to creating a reliable, efficient, and ethically responsible mobile app within the Android ecosystem.

Technical Implementation of the GPS Functionality

A core requirement of the app is the accurate implementation of the TrackGPS class, which is responsible for accessing device location services. The class must correctly interact with Android's LocationManager or FusedLocationProviderClient to obtain real-time latitude and longitude data. Ensuring correct permissions handling (ACCESS_FINE_LOCATION) and incorporating best practices for location updates is vital for reliable performance. The Cow_fragment utilizes the TrackGPS class to display live GPS data, making the interface intuitive for users to monitor cow movements seamlessly.

Furthermore, the app must efficiently copy Cowlogger data to an email draft, ensuring data accuracy and integrity. This involves capturing logging data during cow monitoring and preparing it for transmission within the email body or as an attachment, formatted for clarity and ease of understanding.

Asynchronous Message Sending with AsyncTask

Transmitting data via email should be handled asynchronously to maintain app responsiveness. The AsyncTask class in Android is suitable for this purpose, executing network operations in the background thread while keeping the user interface responsive. Proper implementation involves overriding the 'doInBackground' method to handle email sending logic, utilizing SMTP protocols or third-party APIs, and ensuring that the UI thread is not blocked during transmission.

Testing Strategy and Device Compatibility

Effective testing is integral to validating the app's functionality across various devices and configurations. Selection of mobile models should include a range of popular Android devices (e.g., Samsung Galaxy, Google Pixel, and OnePlus) spanning different hardware specifications and screen sizes to ensure broad compatibility. Testing on multiple Android versions (from Android 8.0 Oreo to the latest release) is critical due to fragmentation in the Android ecosystem.

Testing on actual devices is essential to assess real-world performance, sensor accuracy, and user experience. Emulators and simulators, while valuable for initial testing phases, cannot emulate all hardware features precisely, particularly GPS signal variations and sensor behaviors. Therefore, a combination of device testing and emulator runs provides comprehensive validation. The test plan includes functional testing, usability assessments, and performance evaluations, with documented procedures and expected outcomes.

Data Transmission: SMS vs. Email

The app's data sharing mechanisms must be carefully considered. Using SMS offers the advantage of quick, direct messaging that works without internet connectivity, making it suitable in remote farm locations. However, SMS has limitations such as message size constraints and lack of encryption, raising security concerns. Conversely, email provides a more robust platform for detailed and secured data transfer, especially if enhanced with encryption protocols like SSL/TLS.

Deciding between these methods depends on operational context. For instance, real-time alerts might be better suited to SMS, while detailed logs and historical data should be transmitted via email. Each method's advantages and disadvantages should be weighed based on usability, security, infrastructure availability, and cost considerations.

Economic and Financial Analysis

The financial viability of the application hinges on several factors, including development costs, operational expenses, and potential revenue streams. Initial development costs encompass programmer hours—estimated at approximately 100 hours—covering coding, testing, and deployment. Additional costs include licensing fees for development tools, server hosting (if applicable), and ongoing maintenance.

Promoting and marketing the app involves strategies such as demonstrating its utility at agricultural expos, partnering with livestock management organizations, and utilizing digital marketing through social media platforms. Ensuring ethical considerations, such as data privacy, user consent, and secure handling of sensitive farm data, is critical for compliance with regulations and fostering trust among users.

Conclusion

Developing a GPS-enabled cow monitoring app necessitates meticulous attention to technical detail, rigorous testing, thoughtful data transfer strategies, and a clear understanding of economic and ethical dimensions. Correct implementation of the GPS class, combined with thorough testing on diverse devices, ensures functional reliability. Choosing appropriate data transmission methods enhances operational efficiency while respecting security concerns. A comprehensive financial and ethical assessment supports sustainable development and deployment, fostering innovation in livestock management technology.

References

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  • World Bank. (2019). Economic Impact of Agricultural Technology, Agriculture & Rural Development. World Bank Publications.
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