Mobile Programming

Objective

Introduce the fundamental concepts of mobile device programming with a focus on practical and engaging examples, adhering to the CA education standards for Grade 12 Computer Science (Technology).

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Materials

• Projector and computer with internet access
• Android Studio pre-installed on the computers
• Handouts with a summary of key concepts
• Sample Android devices (if possible)
• Whiteboard and markers

Standards Alignment

CA Computer Science Content Standards for High School:

• Creativity and Innovation: Students create original works as a means of personal or group expression.
• Communication and Collaboration: Students collaborate with peers, experts, and others using digital tools.
• Critical Thinking, Problem Solving, and Decision Making: Students develop and employ strategies for understanding and solving problems in ways that leverage the power of computational thinking.

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Lesson Structure

1. Introduction (5 minutes)

Opening Hook: Showcase a short, engaging video demonstrating various apps developed for mobile devices and their impact on daily lives (1-2 minutes).

Brief Overview: Explain that today's lesson will cover the basics of mobile device programming, specifically focusing on Android development. Mention that they'll get hands-on experience followed by an interesting exercise.

2. Main Lecture (15 minutes)

Concept Explanation:

• Mobile Device Architecture (5 minutes):

  • Introduce the architecture of mobile devices (CPU, memory, sensors, etc.).
  • Explain the Android operating system and its components (Activity, Service, Broadcast Receiver, Content Provider).

• Development Environment (5 minutes):

  • Introduce Android Studio, the official Integrated Development Environment (IDE) for Android development.
  • Discuss the layout of Android Studio: Project files, main code, XML design, and the RUN feature.

• Building Blocks of Android Apps (5 minutes):

  • Layouts and Views (TextView, Button, ImageView)
  • Activities and Intents
  • Event Handling (onClickListeners)

Practical Example: Demonstrate building a simple "Hello World!" app:

• Open Android Studio and create a new project.
• Design a simple layout with a TextView and a Button.
• Write a Java method to change the TextView text when the button is clicked.
• Run the app on an emulator or device and show the result.

3. Hands-On Exercise (15 minutes)

Challenge: Students will work individually to modify the "Hello World!" app:

• Change the layout to include an EditText where users can input their name.
• Update the TextView to display “Hello, [name]!” when the button is pressed.

Instructions:

• Hand out the written instructions with the necessary steps.
• Circulate and provide assistance as needed.

4. Review and Assessment (5 minutes)

• Code Review:

  • Each student presents their modified app.
  • Highlight achievements and areas of improvement.

• Group Discussion:

  • Briefly discuss the challenges faced and how they were overcome.
  • Encourage critical thinking by asking what other features could be added.

Wrap-Up (2 minutes)

Reinforce the lesson's key points and express the significance of mobile programming in today's tech industry. Highlight resources for further learning (books, online tutorials, etc.). End with a motivational note on the importance of creativity and innovation in technology.

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Follow-Up

Assign students a mini-project over the next week: Develop an app that solves a real-world problem, encouraging them to apply what they’ve learned.

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Notes

This structured plan aims to engage students with a mix of theoretical instruction and practical application, ensuring a comprehensive understanding of mobile device programming fundamentals.