Lifecycle of App Features

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QC Li Senior iOS Developer 2020- : Sr. iOS Developer @ LINE (TW) 2018-20: iOS Developer @ Booking.com (NL) 2014-17: Sr. Mobile App Developer @ Yahoo (TW) 2014: M.S. in CS, NTU 2012: B.S. in CS, NTU

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01 02 03 04 Understanding the Market and User Needs Blueprint and Visualization Building the Feature Planning and Design Development Ensure Quality and Stability Testing Ideation and Research 05 Launching and Monitoring Release and Post-Release CONTENT

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Index starts from 0 00 Overview

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Ideal Flow from Idea to Release Overview Development Test 項⽬標題⽂字 Release Monitoring Design Planning Research Idea

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Actual Flow from Idea to Release Overview Development Test 項⽬標題⽂字 Release Monitoring Design Planning Research Idea

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Understanding the Market and User Needs 01 Ideation and Research

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💬 Where do ideas come from? User Feedback Ideation 🔍 Market Research 💡 Brainstorming 🧐 Analytics 🌬 Tech Trend ⚡ Inspiration

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Research User Research Market Research Feasibility Study Risk Assessment Research

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Blueprint and Visualization 02 Planning and Design

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Planning Spec 📃 • De ne what we would like to deliver to our users • User stories • Spec documents Metrics 🌟 • Business goal • Technical metrics • User behavior Schedule 📅 • How long? • When? • Any dependencies? Resource 🧑💻 • Who / What do we need?

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Design UX Design • De ne ow • De ne behavior • Follow Design Guidelines UI Design • Visual design • iOS: Light/Dark mode, dynamic font, ... • Follow Design Guidelines Tech Design • Architectures • Frameworks • Follow some guidelines, approval is needed in some cases

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Building the Feature 03 Development

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Collaborations Coding Style Code Review Dev Guide Readability Dev Env

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🚀 What we need to think about Performance Considerations 💥 Crash 🧵 Multithread 🔒 Security 📦 Binary Size 🧪 Testability ⏪ Backward Compatibility

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Ensuring Quality and Stability 04 Testing

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Automation Commits Merge Review Pull Request CI Tests CI Tests

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🔄 Types of Manual Tests Regression Manual 🔍 Exploratory 👥 Usability 🔥 Smoke 🔧 Functional ✅ Acceptance 🎲 Ad-Hoc 📱 Compatibility 🌍 Localization 🔒 Security

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Launching and Monitoring 05 Release and Post-Release

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Release Start Release Submit Review Fix

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Monitoring User Feedback Post-Release Crash Rate Metrics 💬 💥 📈 ⏯ Online Controlled Experiment

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