Introduction to Mobile Software Development

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I’m Luke Stringer 👋 I’m a Tech Principal at AND Digital I build software for mobile devices iOS Android Today I’ll cover: • What makes a great mobile app • How to build an iOS app • How you can become a mobile software engineer as well

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HTC Dream & Android September 2008 Apple iPhone & iPhone OS June 2007

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$336 billion in 2022 💰 14% year on year growth 📈 7x more time spent on apps vs browsers ⏱ 6x faster loads vs browsers ⚡ $318,00 spent per minute on the App Store 🤑 225 Million iPhones sold in 2022 1 Billion Android devices sold in 2022 Source: data.ia ⅓ of waking hours spent on phones 🤳 485,000 apps downloaded per minute 📲

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Cameras Augmented Reality Virtual Reality Image Capture Object Recognition with AI

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Biometrics for Security Touch ID Face ID Location Awareness

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Payments Apple Pay Google Pay Fitness & Health Sensors wearOS watchOS

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Push Notifications Speech and Language Processing Google Assistant Siri

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Accessibility Dynamic Text Size Screen Readers Mobility Support

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Translation Static & Dynamic Language Direction Units & Measures Time & Date Currency Idioms Localisation

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How do you Build an App? …with Software Engineering

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What is Software Engineering? Engineering is the use of science and maths to design or make things. Software Engineers build, design, and test programs for computers. They create websites, desktops programs, mobile apps, games… 📱 💻 🖥 🎮

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What do Software Engineers do? They write code in a programming language. This is called programming. There are lots of different programming languages!

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A programming language is like a tool in a toolbox. You need to understand what you are building and choose the right tool for the job. 🧰 🛠 I build Mobile Apps for iPhones and iPads. I use the Swift Programming Language. 📲 🤔 What do Software Engineers do?

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Let’s Build an App!

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Let’s Build an App! Screen Design

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Break the Problem into Chunks Screen Design

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Screen Design Break the Problem into Chunks Buttons for navigation

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Screen Design Break the Problem into Chunks Buttons for graph actions

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Screen Design Break the Problem into Chunks Options for graph Kind of graph Share graph

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Screen Design Break the Problem into Chunks Graph of data

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Screen Design Break the Problem into Chunks Y-axis labels

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Screen Design Break the Problem into Chunks Coloured bars

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Screen Design Break the Problem into Chunks Coloured bars Y-axis labels Graph of data Options for graph Kind of graph Share graph Buttons for navigation

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Screen Design Write Swift Code for each Chunk Coloured bars Y-axis labels Graph of data Options for graph Kind of graph Share graph Buttons for navigation

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Run and Test your Code Coloured bars Y-axis labels Graph of data Options for graph Kind of graph Share graph Buttons for navigation

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Release it on the App Store 🎉

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How I became a Software Engineer 🏫 Science Technology Maths ICT School GCSEs 2001 🧑🏫 College A-Levels Maths Further Maths Physics ICT 2006 🧑💻 University of Sheffield Masters Degree Software Engineering Programming Algorithms Testing User Interface Design Team Work 2008 🧑🎓 Graduation 2012

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How You can become a Software Engineer 🏫 School GCSEs 🧑🏫 🧑💻 University Degree 🏆 Software Engineer College A-Levels

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How You can become a Software Engineer 🏫 School GCSEs 🧑🏫 🧑💻 University Degree 🏆 Software Engineer College A-Levels T-Levels

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How You can become a Software Engineer 🏫 School GCSEs 🧑🏫 🧑💻 University Degree 🧑💻 On the Job Digital Apprenticeship 🏆 Software Engineer College A-Levels T-Levels