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Questions and Answers
Which of the following are intended users of 'The Plant Doctor' app? (Select all that apply)
What is an API?
Application Programming Interface.
All apps should have overly complex functionality.
False
What is the purpose of identifying the application’s purpose?
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The app name should be ___ and not replicate the names of other apps.
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What should be kept to a minimum in terms of text input in an app?
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What should a detailed requirement document describe?
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Which programming language is primarily used for iOS app development?
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How much did 'The Plant Doctor' app development cost for each platform?
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What is the graphic design cost per screen in the USA?
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The submission process for apps is the same across all platforms.
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Study Notes
Concept Development
- Define the app's purpose and functionality; aim for simplicity by focusing on one primary task.
- Identify target users, which may include specific demographics such as farmers, homeowners, or professionals.
- Determine whether the app will be free or paid, considering audience diversity such as age, education, and device preferences.
- App design should cater to the intended audience’s needs, focusing on aesthetics, usability, and functionality.
Outlining the App
- Distinguish between web apps and native apps based on the delivery device (phones vs. tablets).
- Choose between iPhone and Android platforms to inform programming languages and coding practices.
- Mind the limitations of app size based on device storage capacity without specific recommended size guidelines.
- Create a draft step chart outlining app functions and a draft page chart sketching the layout and navigation.
Design Considerations
- Design for touch interface (fingers), ensuring buttons are sized 44 x 44 pixels with a maximum of 6 buttons per screen width on smartphones.
- Minimize text input requirements and keep text output succinct; long text outputs are typically avoided unless the app is text-focused.
Budget Development
- Assess development costs based on personal versus contracted programming; differences in hourly rates globally (e.g., 15−20inIndia,15-20 in India, 15−20inIndia,50-60 in the USA).
- An example cost breakdown: Developing “The Plant Doctor” app took 80 hours per platform, totaling 9,600(9,600 (9,600(4,800 for each iOS and Android).
- Prepare detailed requirement documentation and use case documents to clearly define app functionality before budgeting.
Programming
- Choose between self-programming (not recommended for beginners) and contracting programming specialists.
- Recognize specific programming language requirements: Apple iOS utilizes Swift or Objective-C, while Google Android apps typically use Java.
Graphic Design
- Prioritize high-quality graphic design and allocate a sufficient budget; average costs range from 200−200-200−300 per screen in Romania and $500 in the USA.
- The total graphics design cost for “The Plant Doctor” was $300.
- Consider vital elements such as color themes, fonts, layout, and overall balance when designing graphics.
Submission, Approval, and Updates
- App submission processes differ by platform, with Apple focusing on functionality verification and crash testing.
- Regular updates and user feedback integration are crucial for app longevity and user engagement.
Common Pitfalls
- Overcomplicating features can diminish user engagement; ensure the app is user-friendly and performance-oriented.
- Neglecting market research might lead to misalignment with user needs and expectations.
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Description
Explore the key concepts of developing mobile applications with this quiz. Learn about the stages from concept development to submission and approval. This quiz will help you understand the essential elements that contribute to a successful mobile app.
