data/Mobile_Application_Development/material/material.json

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      "raw_text": "CO3043 - Mobile App Development Chapter  0 Introduction MSc.Hoang Le Hai Thanh High Performance Computing Lab - HCMUT"
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      "raw_text": "Today Discussion Outline of this Chapter 01 About Lecturer 02 Outcome 03 Contents 04 Course Details"
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      "raw_text": "About Lecturer Hoang Le Hai Thanh (MSc) . Researcher/Lecturer - High Performance Computing Laboratory (HPC Lab)  Senior Mobile Developer - Viet Nam Blockchain Corporation (VBC) Research Topics . HPC Job Smart Scheduling with Reinforcement Learning . Big Data Analytics for Smart Village . Project Management with Scrum/Agile ... and see more at hpcc.vn/careers Contact . Email: thanhhoang@hcmut.edu.vn (preferred  HPC Lab - 302B9/710H6 (Wed + Fri"
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      "raw_text": "Learning Outcome B </>"
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      "raw_text": "App Development not Programming Mobile App Overview Business Strategy Understand the different of app development Identify app requirements and features that between mobile and other platforms boost both user satisfaction and organization's business Design Pattern Deliverable Product Implement current trends in designing a Examine techniques to release a mobile app modern mobile app Ul/UX with a reliable to the customer via multiple channels with underlying architecture analytics and error logging"
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        "timestamp": "2025-10-31T19:58:22+07:00"
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      "raw_text": "Hi Rakib Google Course Deliver Manageyour file $30/year 26 sed186G8 Toal256G8 high quality New Video Shot 380 mobile products Picture Video Manage yourfile Creative Ul Design 18 with Filoo App Recents Files Ui/Ux Design Google UX Course Case Study PDF 120 DribbbleShot File Image Editing Pro The technology stack can change day by day Welcome Home, Alex Roorrs But fundamental skill sets are never outdated. 45% Welcome Solo Bakery Back Mate. SeetreenCupcak Beverage Yelliow lee cream milling Donus Bell Tike Malclla Pic"
    },
    {
      "page_index": 6,
      "chapter_num": 0,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_0/slide_007.png",
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        "timestamp": "2025-10-31T19:58:29+07:00"
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      "raw_text": "Do not work like kid a 9:41 Xin chao.Duy ProxConn Dang xuat BK UIDC01201 BK Xem thong bao Email Address\" abcxyz@example.com ProxConn C Thong bao ve viec thu tien dien nudc thang 2 Thong bao ve viec thu tien Password\" 11:48 31/01/2021 ............... 0 Email Address Thong bao ve viec thu tien dien nuoc thang 1 abcxyz@example.com Confirm password Thong baoveviec thu tien 23:59 ........... Password 31/12/2021 What can people call you? abcxyz Volume: 0 Forgotpassword The confrmpasse Volume: 50% SIGNIN SIGNUP Dont have an account?Sign.up Already have an account?Sign in Trang chu Hoe don Phan hDi Thding bao"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_0/slide_008.png",
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        "timestamp": "2025-10-31T19:58:32+07:00"
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      "raw_text": "Course Contents . Introduction to Mobile Application  Business Strategy Evaluation  Principle of UI/UX Design . Modern System Architecture . Multi-platform Development with React Native and Expo . App Publishing and Maintenance"
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        "timestamp": "2025-10-31T19:58:37+07:00"
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      "raw_text": "Course Requirements Study this course with your own efforts Prerequisites Courses Compulsory Tasks Student Attitude . Software Development Process . Form a group of 4 : Be active and effective . Database . Complete all required Quiz on . Be clear and on time  Networking BKEL . Inform Iecturer in case of . OOP . Finish Assignment support  Data Structure . Do not forget your final exam . Be happy, not crusty! . English . Study extra videos and . Cheating is prohibited research additional materials"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_0/slide_010.png",
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        "timestamp": "2025-10-31T19:58:41+07:00"
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      "raw_text": "Technology Stack Should I buy a Macbook? React Native with Expo will be the main framework for this course. You need to prepare:  Install NodeJS to your computer (with yarn) . A GitHub account . An expo.io account . A Figma account . A Smartphone with Expo Go installed"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_0/slide_011.png",
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        "timestamp": "2025-10-31T19:58:44+07:00"
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      "raw_text": "Course Timeline 12 weeks This course uses the Blended method that reduces 20% of total classes. Maybe some extra week for Assignment presentation and Revision 1 hour for Theory, 1 hour for Tutorial The tutorial session: . Each group will consecutively host a session with a provided technical topic Help other groups complete their in-class exercise . Detail will be announced soon"
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      "raw_text": " Research and Implement some aspects of the Assignment . Need to work in a group In-class  Laptop is required Exercise  Submit to BKEL"
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        "timestamp": "2025-10-31T19:58:51+07:00"
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      "raw_text": "Course Assessment 60% Assignment (40%) + Quiz (10%) + In Class Exercise (10% 40% Final Exam (Multichoice"
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      "raw_text": "Assignment Develop a mobile app that can manage a rooming house Assignment detail will be provided next week (and started Business Evaluation Ul/UX Design Publishing 1 month 1 months 2 months Identify project requirements Create a runnable Deploy an executable product and and business strategies product demo gather feedbacks from users"
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      "raw_text": "Any question? Thank you CO3043 - Mobile App Development Hoang Le Hai Thanh thanhhoang@hcmut.edu.vn"
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      "raw_text": "CO3043 - Mobile App Development CHAPTER Introduction to Mobile Development MSc.Hoang Le Hai Thanh High Performance Computing Lab - HCMUT"
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      "raw_text": "Contents 01 02 03 Mobile App Mobile App Why Mobile App? Characteristio Platforms S 04 05 06 Mobile App Mobile App Next Steps Architecture Business CO3043 - Mobiile App Development"
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      "raw_text": "CO3043 - Mobile App Development 1.Why Mobile App? The smartphone industry has been steadily The global mobile application market size developing and growing since 2008, both in amounted to usD 187.58 billion in 2021 and is market size and in number of models and projected to grow at a compound annual growth vendors rate of 13.4% from 2022 to 2030"
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        "timestamp": "2025-10-31T19:59:34+07:00"
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      "raw_text": "The Mobile Economy Smartphones Percentage of connections Internet of Things (excluoingMcensea cellurarloT 75% 2021 Unique mobile subscribers S 15.1bn Total 2021 84% connections 5.3bn 2025 23.3bn 2021 67% 70% 2025 2021 5.7bn 2025 CAGR 1.8% Penetration rate 2025 2021-2025 Percentage of population Operatorrevenuesandinvestment Operator capex Mobileinternetsubscribers $1.08tn O $620bn 2021 4.2bn 2021 2022 2025 53% 60% $1.16tn 2021 2025 5.0bn 2025 85% on 5G Totalrevenues 2025 Penetrationrate CAGR 4.5% Percentageofpopulation 2021-2025 Excluding licensed SIM connections 4G Percentage of connections Mobile industry contributionto GDP Public funding cellularloT (excludinglicensed celluarloT 8.3bn $500bn 2021 $4.5tn 2021 2021 5% 2025 of GDP 58%.-55% 8.8bn $4.9tn Mobile ecosystem contribution to 2025 public funding(beforeregulatory 2025 andspectrum fees) Penetration rate 104% 107% 5G Percentage of connections Percentage of population 2021 2025 (excluoinglicensedcellular loT 8 + Employment Source: GSMA 2025 14 million 12 million jobs 2021 Mobile Economy CAGR 8%-25% 2021-2025 jobs 2022 1.5% Directly supported by the mobile ecosystem supported indirectly CO3043 - Mobile App Development"
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      "raw_text": "70% APPOTA Emtertainmemt Ecosystem Dan sö sü dung dién thoai di döng BAo CAo U'NG DUnG Thi luong sudung trung binh Sö luang üng dung sü dung 2021 64% N trong ngay trong tuän Cac thue bao c6 két n0i 3G/4G 22,1 5,1 70% 16,8 4,0 Dan sö sü dung Internet 95% Trong dó sü dung Internet qua di döng 2019 2020 2019 2020 6,5 GIO Thi gian sü dung Internet trung binh hang ngay 3 GIO 18 PHUT Thi gian trung binh sü dung Internet qua di áöng CO3043 - Mobile App Development"
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      "raw_text": "Cäc nhóm üng dung täi nhiéu nhät trén iOS 1,36% 2,89% 23,1% 7,26% Thi phän smartphone theo thuong 41,2% hieu Quy 3 näm 2020 33,23% 4,9% 13,85% Samsung Xiaomi 4,9% Apple Huawei 5,3% Oppo Nokia 5,8% 8,1% 6,7% 31,26% Nguón:StatCounter Games Anhvavideo Tién ich Tai chinh Giai tri Kinhdoanh Giäo duc Khac Cäc nhóm üng dung täi nhiéu nhät trén Android 2,51% 2,89% Thi phän smartphone theo thuong 7,91% 16,9% hieu Quy 4 n&m 2020 3.8% 34,53% 12,36% 4,4% Samsung Xiaomi Apple Huawei 4,9% 64,5% Oppo Vivo 5,5% 31,38% Nguön:StatCounter Games Cong cu Chup änh Mang xä höi Giai tri Khäc CO3043 - Mobile App Development"
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      "raw_text": "9O% OF TIME ON MOBILE IS SPENT IN APPS Facebook19% Messaging/social12% IO%BROWSERS 90%APPS YouTube3% Chrome4% 3HOURS 40 MINUTES Satari6% Entertainment17x Others10% Gaming 15% News 2% Productivity 4% Utilities 8% CO3043 - Mobile App Development"
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      "raw_text": "2.Mobile App Characteristics Battery Life M Smartphone have a limited power capacity Continuous Changes What makes mobile phone Os updates and new hardware are introduced every day different from other platforms? Store Distribution App should be reviewed and distributed via official stores Unstable Communication Not always available with 4G/5G Technology, Wifi, BLE, NFC Small screen size 5.9-6.5\" screens are the most popular CO3043 - Mobile App Development"
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      "raw_text": "t Characteristics Important GS9:41AM 58% Oups! CO3043 - Mobile App Development Something went wrong short-Duration Focused Purpose Responsiveness Customized Data Activities Interaction Mobile App activities tend Mobile Apps provide services Mobile Apps must return some Mobile Apps require limiting the to be short term, ranging as quickly and as efficiently as type of acknowledgment size of the content being from several seconds to possible with little or no immediately upon performing downloaded via the lnternet several minute navigation an action on the device"
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      "raw_text": "Native app Cross-platform app Hybrid app Progressive web Parameters development development development app development 3.Mobile App Cross-platform app development is It is based on the Progressive web These apps run about developing web view which apps are hybrids Platforms natively on the Definition one app and runs on a web of regular web platform of your publishing it on both application in a pages and native choice Android and iOS native browser apps together Tools and Xamarin, Java, Kotlin Objective C, lonic, Javascript, Ruby technologies NativeScript, Python, etc. HTML5, etc. CsS, etc. used Node.js, etc. 1.The same app 1. Only one runs on web and codebase is 1. Greater user mobile.Hence,it 1. Single code for required for d experience has less expensive multipleplatforms hybrid app Advantages 2. Direct access upfronts 2. Easy to maintain 2. Access to to the device's 2. No need to app device's internal APIs install or update APls and device as it is accessible hardware through URL The need for an Progressive web additional Slower than native apps can be Fastest speed abstraction layer and cross- decently fast, but and efficiency as and rendering platform apps as Performance their speed is it is directly built process makes the they are not entirely dependent on OS's platform cross-platform app usually optimized on internet slower than its for their platform connection native counterpart CO3043 - Mobile App Development"
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      "raw_text": "from Learn REASONS OF APP FAILURE mistakes DID NOTRESEARCHABOUTMARKETNEED DID NOTFRAMEA RELEVANT BUSINESSMODEL AMBICUITY IN DECIDINC THE CORRECT MARKETINCSTRATEGY DUETO AWEAKPRODUCTCORE DUE TOINCORRECT LAUNCH TIME 50 competition 42% 40 Only 20% of downloaded apps see users return after the first use, whereas 3% of 30 apps remain in use after a month. 19% 17% 20 14% 13% 10 0 CO3043 - Mobile App Development"
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      "raw_text": "6.Next t Steps Explore  Mobile Study the \"Mobile App Report 2021 - APPOTA\" and other worldwide reports to App Trends catch up with important trends Self-study is always important. Learn From Discover and analyze top-grossing products to improve your app's Don't forget to follow these additiona Trending Apps business. steps to empower your career.. ..and your score, too Understand Mobile App is not always the most mportant step to starting a business Business strategy Research how to select a suitable platform for any startup project. Complete Your Quiz or Quit! Don't forget to finish your weekly quiz on time. Weekly Quiz CO3043 - Mobile App Development"
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      "raw_text": "01 Mobile App Quality Evaluation able 02 Mobile App Design Process 1 03 ldea Initiatior Contents 04 App Planning 05 Wireframe, Mockup & Prototype"
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      "raw_text": "Quality Factors How can we determine a \"good\" mobile app? USER EXPERIENCE BUSINESS GOALS SECURITY & PRIVACY Your app should give users a Your app should have a clear Your app should handle unique value, great usability vision along with marketing user data and personal and good performance. and financial logistics information safely, with the appropriate level of permission."
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      "raw_text": "Business Goals User A great concept that solves a problem or fills a Increase customer engagement and loyalty need. Boost profits A well-developed user interface that is easy to navigate and pleasant to look at. Improve working condition Solid functionality that is easy to use but Balance between budget and development powerful enough to keep users coming back cost for more A marketing plan will make users aware of the app and encourage them to download it. A customer service plan that makes it easy for current and potential customers to get in touch with you"
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      "raw_text": "1098 3210 02 DAYNOW Mobile App rocess \"The purpose of an app design is to deliver seamless and effortless user experiences with a polished look"
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      "raw_text": "BE THE USERS DATA DON'T LIE 1. User personas 1.Usability tests 2. User scenarios 2. Review metrics 3. User testing 3. Track usage 4. User experience map 4. Inform next iteration START 01 02 03 04 05 RESEARCH EMPATHIZE CREATE TEST DEVELOP EL MEET THE USER MAKE IT SIMPLE STICK TO THE DESIGN 1, User demographics 1.Wireframes 1.Usability tests 2. Define user goals 2. Moodboard 2.Review metrics 3.Define user challenges 3. Mock-ups 3. Track usage 4.Define metrics & form 4. Style guide 4.Inform next hypothesis USER EXPERIENCE DESIGN PROCESS https://medium.com/nyc-design/ux-ui-design-process-for-beginner-753952bb2241"
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      "raw_text": "Combine Design Thinking, Lean Startup and Agile Sprintplanning Ideate EQ Learn Product Sprint backlog execution Define Try experiments Pivot/persevere? Sprint Shipable ATE review increment Build Empathize C TER Customer PROBLEM Customer SOLUTION DESIGNTHINKING LEAN STARTUP AGILE Gartner #GartnerSYM 21CONFIDENTIALAND PROPRIETARY I@ 2016 Gartner,Inc.and/or its affiliates.All rights reserved.Gartner and ITxpo are registered trademarks of Gartner.Inc.or its affiliates"
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      "raw_text": "ASK YOURSELE BEFORE START: Human lnteraction  What problems and pain points do I want to solve? and  How might I help users with that problem? Solving What kind of app am I designing? (e.g., On Demand Problem Dating, Social) What is the unique selling point of my app? How is my app different from my competitors? How will my app appeal to my users? $ https://www.iteratorshq.com/blog/app-design-process-design-a-great-mobile-app/"
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      "raw_text": "Market Research SI O1 s Survey your potential customers STRENGTHS THREATS WEAKENESSES OPPORTUNITIES O3 Analyze your competitors' SWOT O4 Apply results to your product"
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      "raw_text": "HOW TO CREATE A BUSINESS CANVAS TEMPLATE For Vino Veritas App PROBLEM SOLUTION VALUE I don't know how to pick Pairings based on big data Vino Veritas pairs users good wine. integration,matching with wine based on palate algorithms, and expertise purpose,and price point ADVANTAGE CUSTOMER/USER METRICS Advanced Matching 21+ # of Subscribers Algorithm Wine Amateurs # of Downloads SEEL Sommelier Experience Young, Hip,Urban User Retention Women User Activity Sales CHANNELS COSTS REVENUE RSSSISSS Blog App Design Sales via Subscription Social Media App Development Advertising Events Sales Events Advertising ProductManagement Own Brand Product PR Marketing Sales https://www.iteratorshq.com/blog/app-design-process-design-a-great-mobile-app/"
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      "raw_text": "Minimize user input Keep forms as short as possible by Register removing any unnecessary fields $Register to get a US$3AliExpress coupon  The app should ask for only the Email Password e bare minimum of information from AGREE&CREATEACCOUNT the user. By registering for an AliExpress account,you agree that you have read and accepted our AliExpress Free Membership Agreement and Privacy Policy Social medialogin Sign in with G f WK Have an account?Sign In"
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      "raw_text": "Breakdown Tasks Break tasks into bite-sized chunks Do not create too much < BACK <BACK < BACK My Bag Address Payment complexity for the user at one Street1 Card Number SONY 22/D.New Banglo time. Smart Hand Watch **00 X1s149 Street2 Valid Untill CVV JJ Nagar,New Way 05/24 *** SONY city Smart Hand Watch Bangalore X1s141 Card Holder Name State PIN Jorden D Karnataka 887766 Save card detail Total $290 Total $290 CHECKOUT NEXT PAYNOW"
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      "raw_text": "O3. Best Pr  and Tricks ractices S 8 S S Raster Vector GIF,JPEG, PNG SVG Vector Font Icons Vector Images Vector Animations Material Design Icons, Ionicons SVG Lottie"
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      "raw_text": "X More... 9:28 9:28 .l Payment data Payment Total price  Using autocomplete & value validate $2,280.00 $50 off Payment Method On your first order  Use familiar screens Credit Prormo code valid for orders over S150 Card number  Customize the keyboard for the Payment information Edit Valid until CVV Card holder type of query Month/Year Master Card ending **98 Card holder Use promo code Your name and surname PROM020-08  Use visual weight to convey the Save card data for future payments importance Proceed to confirm Pay  Avoid jargon  Oolor-blindness  Design for Fingers"
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      "raw_text": "+ X Hoang Le Hai Thanh thanhhoang@hcmut.edu.vn"
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      "raw_text": "CO3043 - MOBILE APPLICATION DEVELOPMENT Chapter 4 Mobile Application Architecture Hoang Le Hai Thanh High Performance Computing Laboratory, HCMUT, VNU-HCM"
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      "raw_text": "C03043 - MOBILE APP DEVELOPMENT Content X 1.Mobile App Architecture Review 2.Separation of Concerns 3.MVP,MVC,MVVM 4.VlPER on iOS 5.Android App Architecture 6.MVI and React Redux 7.Mobile App Architecture - The Big Picture"
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      "raw_text": "Mobile App Architecture Review Individual User The Presentation Layer Mobile Client Application The presentation layer contains components for the user interface (Ul) Ul Components along with the components necessary for UI processing Ul Process Components The Business Layer Bsauesns Application Facade Leetr The business layer is concerned with the logic and rules responsible for Business Workflows Business Components Business Entities data exchange, operations, and workflow regulation Data Data Access Data Helpers/ Service Components Utilities Agents The Data Layer The data layer includes all the data utilities, service agents, and data access Unreliable Local Dataand Cache Networks components to support data transactions. Data Sources Services Mobile Support Infrastructure"
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      "raw_text": "Without Separation of Concerns \"ClasS\" \"ClasS\" SEPARATION UpdateOrder OrderRow DB OF CONCERNS change change change With Separation of Concerns Separation of Concerns (SoC) is a design \"Class\" \"Class\" \"Class\" \"Class\" principle for separating a mobile app into UpdateOrder Order OrderRepository OrderRow DB distinct sections such that each section addresses a separate concern: change change change These layers should be loosely coupled Changes in one layer having limited or no impact on any other layers"
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      "raw_text": "Single Responsibility vs Separation of Concerns The Relationship between Single Responsibility Principle SRP and SoC A component should have one and one reason only to change.Based on Conway's Law,a component will only by Khalil Stemmler @stemmlerjs need to change if the role that utilizes the component determines change is necessary.Therefore,we should divide responsibility by role(vertically). Single Responsibility (Role) Admin Member Guest Separation of Separation of Concerns Concerns To realize a feature,we need to rely on a mix of infrastructure, application, < API and domain layer logic. The SoC principle urges us to divide the < \"technical\" implementation details of Data Access a feature.To do this,we can implement alayered architecture(horizontal < Application < Domain Feature createPost"
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      "raw_text": "MODEL Model View UPDATES MANIPULATES Controller VIEW CONTROLLER Model - View - Controller pattern (MVC) design pattern was introduced SEES by Trygve Reenskaug in the 1970s USES-  The model is responsible for managing the data of the application. It receives user input from the controller.  The view renders a presentation of the model in a particular format. USER  The controller responds to the user input and performs interactions on the data model objects. The controller receives the input, optionally validates it, and then passes the input to the model."
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      "raw_text": "MVP Model View Model Changed User Action Presenter Presenter UpdateModel Update Ul In MVP, the role of the controller is replaced with a Presenter. Model View  The Model represents a set of classes that describes the business logic and data. It also defines business rules for data means how the data can be changed and manipulated.  The View represents the Ul components. It is only responsible for displaying the data that is received from the presenter as the result. This also transforms the model(s) into UI.  The Presenter is responsible for handling all Ul events on behalf of the view. This receives input from users via the View, then process the user's data with the help of the Model and passes the results back to the View."
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      "raw_text": "Model View Model Change Observe Data Callbacks ViewModel Changes View ViewModel Send Data Model Data Streams Receive Data Data.Changes Callbacks MVVM stands for Model-View-View Model. This pattern supports two-way data binding between view and View model.  Model: This holds the data of the application. It cannot directly talk to the View. Generally, it's recommended to expose the data to the ViewModel through Observables  View: It represents the Ul of the application devoid of any Application Logic. It observes the ViewModel. ViewModel: It acts as a link between the Model and the View. It's responsible for transforming the data from the Model. It provides data streams to the View. It also uses hooks or callbacks to update the View. It'll ask for the data from the Model"
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      "raw_text": "VIPER (iOS) View/View owns asks for data change- Controller Presenter Interactor VIPER is a backronym for View, Interactor, Presenter, Entity, and (manages view life (non-UI handling) (business logic) --binding-- --- .notifies on update- Router. cycle) delegates routing events manages  View(Controller): this presents Ul to the user and forwards the actions on notifies datasource 1 Ul to the Presenter to handle 1 1  Presenter: handles the Ul actions sent by View. This handling is totally Router Entity independent of the Ul controls. In addition to this, Presenter takes the help (manageswireframing (model) of the Interactor to process the model(Entity) if need be.  Interactor: mainly contains the business logic and integrates it with the other parts of the application. It also owns and manages the Entity.  Entity: is just a dumb data structure to store data. As said, it is owned by the Interactor and concealed from the other modules.  Router: is a special component in the VIPER architecture, which explicitly deals with the navigation actions coming from the Presenter. Navigation (Wireframing) is the only responsibility that the Router takes care of."
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      "raw_text": "Android App Architecture Activity/Fragment PRESENTATION LAYER ViewModel Based on Clean Architecture The app is divided into a three-layer structure: DOMAIN UseCase UseCase UseCase  Presentation layer: The role of the Ul layer (or presentation layer) LAYER is to display the application data on the screen. Whenever the -- data changes, the Ul should update to reflect the changes  Domain layer: The domain layer is responsible for encapsulating Repository Repository Repository complex business logic, or simple business logic that is reused by DATA multiple ViewModels LAYER  Data layer: The data layer of an app contains the business logic. The business logic is what gives value to your app-it's made of Google Cloud Firestore Local Cache rules that determine how your app creates, stores, and changes Storage data. https://medium.com/androiddevelopers/google-i-o-2018-app-architecture-and-testing-f546e37fc7eb"
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      "raw_text": "Model0 Model View Updates Mainpulates Intent IntentO View0 MVI stands for Model-View-Intent. MVI imagines the user as a function, and models a unidirectional data flow based on that. Sees Interacts  Model- Other than representing the data and the business logic of the application model maintains a state which can be changed through the UserO actions of the user.  View- Represents the Ul layer of the application which consists of Activities and Fragments. It accepts different model states and displays them as a UI.  Intent- do not confuse it with the Android Intent, it's the intention to perform an action either by the user or the app itself."
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      "raw_text": "React Redux Store Actions Dispatcher This is simply a state container that holds on to your app state. It holds an S tore immutable reference representing the entire state of your application and can only be updated by dispatching an Action to it. CD Reducer Actions R Actions contain information to be sent to the store. They represent how View R we want our state to be changed. R React Reducers Components Since neither Actions nor the Store update state themselves, we need a State component dedicated to doing this. That's where Reducers come in. They simply take an Action and State and emit a new State."
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      "raw_text": "3 Engineer Browser Redis Cache 10 X f {} IG Visual Studio Phone & Tablet Identity Provider Traffic Manager Document DB Other regions 2 8 9 6 . Source Control Visual Studio Notification Hub App Service Queue App Center Functions 11 5 Application Blob Storage Insights THE BIG PICTURE"
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      "raw_text": "THANK YOU Hoang Le Hai Thanh High Performance Computing Laboratory thanhhoang@hcmut.edu.vn"
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      "chapter_num": 5,
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      "raw_text": "CO3043 - MOBILE DEVELOPMENT Web MSc. Hoang Le Hai Thanh High Performance Computing Laboratory - HCMUT"
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      "raw_text": "CONTENTS 1.Web Services 2.Introduction to REST 3.Design a REST APl"
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      "raw_text": "SERVICES WEB :"
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        "timestamp": "2025-10-31T20:11:18+07:00"
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      "raw_text": "WHAT IS A WEB SERVICe? Is available over the Internet or private (intranet) networks Uses a standardized XML messaging system Is not tied to any one operating system or programming language grammar  Is discoverable via a simple find mechanism"
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_005.png",
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      "raw_text": "WEB SERVICE COMPONENTS SOAP Service Registry Simple Object Access Protocol SOAP is an XML-based protocol for accessing UDDI web services U D D WSDL Universal Description, Discovery and Integration. WSDL UDDI is an XML based framework for describing discovering, and integrating web services. SOAP Messages W S D l Web Services Description Language WSDL is an XML document containing Service Provider Service Consumer information about web seryices such as method name, method parameter, and how to access it."
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      "raw_text": "SOAP EXAMPLE <m:GetStudentInfo> <rollno>07</rollno> </m:GetStudentInfo> Service Provider Service Consumer SOAP service request XML service response <m:GetStudentInfoResponse> <name>Viraj</name> <phone>777-7007-777</phone> <class>Seventh</class> <address>07, Baker Street</address> </m:GetStudentInfoResponse>"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_007.png",
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        "page_index": 103,
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        "timestamp": "2025-10-31T20:11:41+07:00"
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      "raw_text": "Web services API Internal System 01 01 API Server/Data source WEB SERVICES An application programming interface (or API for short) is a 02 XML/JSON/HTTP request 02 APlrequest XML/JSON/HTTP response software component that enables APlresponse A web service is a resource that is two otherwise unrelated applications available over the internet to communicate with each other 03 03 Client Your device"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_008.png",
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      "raw_text": "INTRODUCTION TO REST API"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_009.png",
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      "raw_text": "WHATIS REST? REST stands for REpresentational State Transfer REST is an architectural style for providing standards between computer systems on the web What is Rest APl? ECSTPUPI UATAOASE NCO SCRVER TOUR HEBSITC APPLICATIOR"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_010.png",
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      "raw_text": "REST Methods GET POST PUT DELETE Use GET requests to Use POST APls to As the name applies, Use PUT APls only retrieve remote primarily to update DELETE APls delete create new resources the resources an existing resource resources HEAD PATCH OPTIONS PATCH ony does TRACE partial updates CONNECT"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_011.png",
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      "raw_text": "REST CRUD CREATE DELETE Create item new item item item UPDATE READ item 4 Update"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_012.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_012.png",
        "page_index": 108,
        "language": "en",
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      "raw_text": "REST Resources  A resource can be a singleton or a collection. Ex: customers is a collection resource and customer is a singleton resource (in a banking domain). We can identify \"/customers\". We can identify a single \"customer\" resource using the URI '/customers/{customerld}\" resource \"accounts\" of a particular \"customer\" can be identified using the"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_013.png",
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      "raw_text": "RESTful Guidelines CLIENT-SERVER STATELESS UNIFORMINTERFACE Client applications and server The server will not store anything about All resources should be accessible applications MUST be able to evolve the latest HTTP request the client made. It through a common approach such as separately without any dependency on will treat every request as new. HTTP GET and similarly moditied using a each other. No session, no history. consistent approach. CACHEABLE LAYERED SYSTEM CODE ON DEMAND (OPTIONAL) Caching shall be applied to resources Each layer doesn't know any thing about when applicable, and then these any layer other than that of immediate REST allows client functionality to be resources MUST declare themselves layer and there can be lot of intermediate extended by downloading and executing cacheable. servers between client and the end code in the form of applets or scripts. Caching can be implemented on the server. server or client-side."
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_014.png",
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      "raw_text": "SOAP REST V S SOAP REST  SOAP is a protocol REST is an architectural style SOAP cannot make use of REST REST can make use of SOAP  SOAP uses service interfaces to expose its functionality REST uses Uniform Service locators to access to client applications the components on the hardware device. SOAP requires more bandwidth for its presentation REST r messages is lightweight  SOAP can only work with XML format. As seen from  REST p s different data formats such as permits SOAP messages, all data passed is in XML format. Plain text, HTML, XML, JSON, etc.  Support Stateful operations and security mechanisms Support caching"
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      "raw_text": "DESIGN A REST API"
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      "raw_text": "S Idempotency is the ability for an operation to be carried out multiple times without changing the state of the system.  An idempotent HTTP method is a method that can be invoked It should not matter if the method has been called only once, or ten times over. The result should always be the same."
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      "raw_text": "GET I PUT l DELETE PATCH ARE DEMPOTENT POST IS NOT IDEMPOTENT"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_018.png",
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        "page_index": 114,
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      "raw_text": "REST Resources A resource can be a singleton or a collection. Ex: : customers is a collection resource and customer is a singleton resource  (in a banking domain: We can identify /customers\". We can identify a single \"customer\" r resource using the URI /customers/{customerld}\" A resource \"accounts\" of a particular \"customer\" can be identified using the resource URN \"/customers/{customerld}/accounts"
    },
    {
      "page_index": 115,
      "chapter_num": 5,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_019.png",
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        "page_index": 115,
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      "raw_text": "REST Best practices Use nouns to represent resources RESTful URI should refer to a resource that is a thing (noun) instead of referring to an action (verb) http://api.example.com/device-management/managed-devices http://api.example.com/device-management/managed-devices/{device-id} http://api.example.com/user-management/users Use Nesting on Endpoints to Show Relationships Ex: A blog post might have their comments, so to retrieve these comments, an endpoint like https://mysite.com/posts/{postld}/comments would make sense"
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      "raw_text": "REST Best practices Use Nouns Instead of Verbs in Endpoints Because  HTTP methods such as GET,POST,PUT,PATCH, and DELETE  are already in verb form for performing basic CRUD (Create, Read, Update, Delete) operations, the endpoints should use nouns signifying what each of them does. Use JSON as the Format for Sending and Receiving Data header to application/json while making the request."
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      "raw_text": "REST Best practices Use Filtering, Sorting, and Pagination to Retrieve the Data Requested a web API to limit the amount of data returned by any single request. Ex: /orders?limit=25&offset=50 Be Clear with Versioning REST APls should have different versions, so you don't force clients s (users) to migrate to new versions. This might even break the application if you're not careful. Many RESTful APls from tech giants and individuals usually comes like this: https://mysite.com/v1/ for version 1 https://mysite.com/v2 for version 2"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_5/slide_022.png",
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        "timestamp": "2025-10-31T20:13:24+07:00"
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      "raw_text": "REST Best practices Handle errors gracefully and return standard error codes gracefully and return HTTP response codes that indicate what kind of error occurred. Common error HTTP status codes include: 4oo Bad Request - This means that client-side input fails validation. 4o1 Unauthorized - This means the user isn't not authorized to access a resource. It usually returns when the user isn't authenticated. 4o3 Forbidden - This means the user is authenticated, but it's not allowed to access a resource. 4o4 Not Found - This indicates that a resource is not found. 5oo Internal server error - This is a generic server error. It probably shouldn't be thrown explicitly  5o2 Bad Gateway - This indicates an invalid response from an upstream server. 5o3 Service Unavailable - This indicates that something unexpected happened on server side (It can be anything like server overload, some parts of the system failed, etc.)"
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        "page_index": 119,
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      "raw_text": "REST Best practices Cache data to improve performance data that users request. The good thing about caching time we want to retrieve some get may be outdated. Provide Accurate APl Documentation When you make a REST API, you need to help clients  (consumers) learn and figure out how to use it correctly. The best way to do this is by providing good documentation for the APl. I API testing tools in software development, to document your APls."
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      "raw_text": "MSc. Hoang Le Hai Thanh High Performance  Computing Laboratory - HCMUT thanhhoang@hcmut.edu.vn 24 COs sin"
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      "raw_text": "C03043 - Mobile Application Development CHAPTER 6 MOBILE APP LIFE CYCLE AND STATE MANAGEMENT Hoang Le Hai Thanh High Performance Computing Laboratory - HCMUT"
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      "raw_text": "01 02 Mobile App Life Cycle iOS & Android App Life Cycle 03 04 Mobile App State Redux Overview Management"
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      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_003.png",
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      "raw_text": "01. Mobile App e Cycle Life Not Running state Foreground Handling Life Cycle in Mobile App is Inactive State crucial! Recall the difference between Mobile Apps and other Active State platforms: Background Activity duration Hardware resources Background State Responsiveness System events Suspended state"
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      "raw_text": "Life Cycle Callbacks Life Cycle Callbacks allow us to know that a state has changed: that the system is creating. stopping, or resuming our app, or destroying the process SOUND SIMILAR? Constructor Destructor Vs."
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      "raw_text": "A good implementation of the lifecycle callbacks can help ensure Consuming valuable system resources when the user is not actively using your app. Losing the user's progress if they leave  app and return to it at a later time. your Crashing or losing the user's progress when the screen rotates  between landscape and portrait orientation."
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      "raw_text": "02 Android & iOS App  Life"
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      "raw_text": "Activity launched onCreate0 onStart( onRestartO User navigates onResume() to the activity Android Activity Life Cycle App process Activity killed running Another activity comes into the foreground User returns As a user navigates  through, out of, and to the activity Appswith higherpriority onPause0 need memory back to our app, the Activity instances The activity is no longer visible transition through different t states in their Usernavigates to the activity lifecycle. onStop() The activity is finishing or being destroyed by the system onDestroy( Activity shut down"
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        "timestamp": "2025-10-31T20:14:41+07:00"
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      "raw_text": "Launch Screen U App Ul Unattached Foreground Foreground Inactive Active ioS Scene Life Cycle The introduction of multi-window support on iOS 13 (iPadOS) brings major changes in application's life cycle C Suspended Background Foreground Inactive"
    },
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      "page_index": 129,
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        "timestamp": "2025-10-31T20:14:50+07:00"
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      "raw_text": "t Life Cycle XOX React  Class Mounting Unmounting Initialization Updation props states setup props and state componentWillMount componentwillReceiveProps shouldComponentUpdate componentwillUnmount true x false render shouldComponentUpdate componentWillUpdate x true false componentDidMount componentWillUpdate render render componentDidUpdate componentDidUpdate"
    },
    {
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      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_010.png",
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        "page_index": 130,
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        "timestamp": "2025-10-31T20:15:01+07:00"
      },
      "raw_text": "React Function Component Life Cycle with Hooks XOX Class component Will mount Mounted Will unmount orops/state changed props/state changed 2nd render nthrender Istrender componentDidMount componentWillUnmount componentDidUpdate componentDidUpdate Function component with useEffect Will mount Mounted Will unmount orops/state changed props/state changed 2ndrender nthrender Ist useEffect callbackreturn Ist render Ist useEffect callback (nth-1)useEffectcallbackreturn nthuseEffect callbackreturn 2nd useEffect callback nth useEffectcallback useEffect( => { / perform some  effect here useEffect callback return () => useEffect callback return I/ do some clean up here Created by Przemek Wolnik }; twitter.com/PrzemekWolnik }, [effectDependencies]); github.com/przemwo"
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    {
      "page_index": 131,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_011.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_011.png",
        "page_index": 131,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:08+07:00"
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      "raw_text": "03 Mobile App"
    },
    {
      "page_index": 132,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_012.png",
      "metadata": {
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        "course_id": "CO3043",
        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_012.png",
        "page_index": 132,
        "language": "en",
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        "extractor_version": "1.0.0",
        "timestamp": "2025-10-31T20:15:17+07:00"
      },
      "raw_text": "State  management is the process  of: State Maintain the knowledge of an application's UI controls  across multiple related data flows  that form a complete business  use  case Understand the condition of the app at any given moment 2. Event handlers fre 3. Business logic executes The UI is updated 1.Network event Tap, swipe, gestures App lifecycle events 1. Events 2. State 3.UI e.g. application, page State drives Events drive or component state state changes presentation"
    },
    {
      "page_index": 133,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_013.png",
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_013.png",
        "page_index": 133,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:27+07:00"
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      "raw_text": "Local State Local state is the data that we can neatly manage in a component Global State Global state is the data that we need to manage across multiple components **0 Server State ..0 0.0 The server state is the data that comes from an external The state of an app is everything that exists server that must be integrated with our Ul state. in memory when the app is running URL State The URL state is the data that exists on our URLs, including the pathname and query parameters. Environment State The environment state is the information derived from the device such as permissions, Bluetooth, connectivity state. etc"
    },
    {
      "page_index": 134,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_014.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_014.png",
        "page_index": 134,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:35+07:00"
      },
      "raw_text": "04 Redux Overview Redux va Redux Toolkit Khi ban tao ra mt thü khó düng sau dó tao ra mt thü khác dé giüp thü khó düng dó dé düng ho'n"
    },
    {
      "page_index": 135,
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_015.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_015.png",
        "page_index": 135,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:43+07:00"
      },
      "raw_text": "Application Component Tree The Prop Drilling Problem App Today Buy Milk Todos [ state Prop  drilling is the problem for r passing data toggle(id) Pay Bills through nested children severa! components Filter TodoList toggle(id) in a bid to deliver this data to a deeply-nested component. Todoltem Todoltem toggle(id) ToggleTodo ToggleTodo"
    },
    {
      "page_index": 136,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_016.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_016.png",
        "page_index": 136,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:50+07:00"
      },
      "raw_text": "Manage Shared State with Redux Without Redux With Redux Store Component initiating change"
    },
    {
      "page_index": 137,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_017.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_017.png",
        "page_index": 137,
        "language": "en",
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        "timestamp": "2025-10-31T20:15:59+07:00"
      },
      "raw_text": "S W Redux is  Event Driven Store Dispatch Reducer Event Handler Actions dispatched in response  to an are R R event like a UI click R The the store reducer function to runs UI calculate a new  based on the state  event State The Ul r reads the state to display the  new Deposit $10 $0 Withdraw $10 new values"
    },
    {
      "page_index": 138,
      "chapter_num": 6,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_018.png",
      "metadata": {
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        "course_id": "CO3043",
        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_6/slide_018.png",
        "page_index": 138,
        "language": "en",
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        "timestamp": "2025-10-31T20:16:05+07:00"
      },
      "raw_text": "Any question? thanhhoang@hcmut.edu.vn"
    },
    {
      "page_index": 139,
      "chapter_num": 7,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_001.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_001.png",
        "page_index": 139,
        "language": "en",
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      "raw_text": "CO3043 - MOBILE APPLICATION DEVELOPMENT CHAPTER 07 MOBI ILE DEVICE SENSORS HOANG LE HAITHANH High Performance Computing Laboratory, HCMUT - VNUHCM"
    },
    {
      "page_index": 140,
      "chapter_num": 7,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_002.png",
      "metadata": {
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_002.png",
        "page_index": 140,
        "language": "en",
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        "timestamp": "2025-10-31T20:16:19+07:00"
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      "raw_text": "TABLE OF CONTENTS 01 Introduction to Mobile Device sensors 02 Mobile Device sensors characteristics DO 03 Common Mobile Device sensors 04 Develop Mobile App with device sensors"
    },
    {
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      "chapter_num": 7,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_003.png",
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_003.png",
        "page_index": 141,
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      "raw_text": "01. INTRODUCTION TO MOBILE DEVICE SENSORS"
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    {
      "page_index": 142,
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_004.png",
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_004.png",
        "page_index": 142,
        "language": "en",
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        "timestamp": "2025-10-31T20:16:37+07:00"
      },
      "raw_text": "SENSORS A s sensor is a tiny device or module that analyzes its X surroundings and reports the quantitative measure to the controlling program. Smartphones today come with a wealth of sensors s to facilitate a better user experience, and provide apps with enhanced information about the world  around the user."
    },
    {
      "page_index": 143,
      "chapter_num": 7,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_005.png",
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        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_005.png",
        "page_index": 143,
        "language": "en",
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        "timestamp": "2025-10-31T20:16:48+07:00"
      },
      "raw_text": "EVOLUTION OF SMARTPHONE SENSORS Sensor growth in smartphones Galaxy S5 Heart Rate Fingerprint Gaaxy S4 Temperature Temperature Humidity Humidity Hall Effect Hall Effect Gaaxy S3 Pressure Pressure Pressure RGB RGB RGB Gaaxy S2 Gyroscope Gyroscope Gyroscope Gyroscope Proximity Proximity Proximity Proximity Galaxy S1 Ambient Light Ambient Light Ambient Light Ambient Light Ambient Light Accelerometer Accelerometer Accelerometer Accelerometer Accelerometer Magnetometer Magnetometer Magnetometer Magnetometer Magnetometer 2010 2011 2012 2013 2014 2015+ D204QuacomnTecnologeslnc.Al RoghtsRcserwa"
    },
    {
      "page_index": 144,
      "chapter_num": 7,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_006.png",
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        "page_index": 144,
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      "raw_text": "EVOLUTION OF SMARTPHONE SENSORS Phone 6Plus iPhone7Plus iPhonc 8Plus iPhoneX iPhoneXOMax iPhone11Pro MaxiPhone 12 Pro Max iPhone13ProMax 92 10 Image sensor size - a rising trend Year 2016 2017 2019 2020 Image sensor Size 1/3.00 inch 1/2.55 inch 1/1.70 inch 1/1.33 inch 1/2.00 inch Counterpount Flagship Apple Samsung Galaxy Huawei Samsung Galaxy Compact Smartphone iPhone 7Plus Note8 Mate30 Pro S20 Ultra DSLR Source: Counterpoint Research"
    },
    {
      "page_index": 145,
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_007.png",
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      "raw_text": "02. MOBILE DEVICE SENSORS CHARACTERISTICS"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_008.png",
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        "page_index": 146,
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        "timestamp": "2025-10-31T20:17:13+07:00"
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      "raw_text": "ARE SENSORS ALWAYS CORRECT? Sensors are characterized depending on the value of many parameters, and their manufacturers. We must understand the underlying sensor to get the right thing we want. \"Numbers don't lie, people do\""
    },
    {
      "page_index": 147,
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_009.png",
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        "page_index": 147,
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      "raw_text": "ACCURACY RANGE It is defined as the difference between the measured It is the minimum and maximum value of a physical value and the true value variable that the sensor can sense or measure. SPAN PRECISION It is the difference between the maximum and It is defined as the closeness among a set of minimum values of input values UNIT Unit of measurement High Accuracy Low Accuracy Low Accuracy High Precision High Precision Low Precision"
    },
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      "page_index": 148,
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_010.png",
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      "raw_text": "SENSITIVITY LINEARITY It calculates the sensor's output change concerning Linearity is the maximum deviation between the a unit change in the input (the measured quantity): measured values of a sensor from ideal curve. RESOLUTION yI The slightest change in the input that the sensor can Measured Curve detect and reliably point out is called resolution. deal Curve Maximum Erroi Input"
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      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_7/slide_011.png",
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      "raw_text": "TYPE Physical sensors relay data from the source they present, while composite sensors generate data from other sensors REPORTING MODE SAMPLING PERIOD It is the time difference between two consecutive called reporting modes (Continues, On-change. data collection (frequency) One-shot,...) CALIBRATION POWER CONSUMPTION Sensor calibration makes that instrument function as accurately, or error-free, as possible when being used or sleep"
    },
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      "raw_text": "03. COMMON MOBILE DEVICE SENSORS"
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      "raw_text": "R CATEGORY (ANDROID) SENSOR Motion Sensors Position Sensors Environmental Sensors These sensors measure acceleration These sensors measure the physica These sensors measure various forces and rotational forces along position of a device. This category environmental parameters, such as three axes. This category includes includes orientation sensors and ambient air temperature and accelerometers, gravity sensors, pressure, illumination, and humidity. magnetometers gyroscopes, and rotational vector This category includes barometers, sehsors. photometers, and thermometers"
    },
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      "raw_text": "MOTION SENSORS Motion sensors are useful for monitoring device movement, such as tilt, shake, rotation, or swing. The movement is usually a reflection of direct user input, but it can also be a reflection of the physical environment in which the device is sitting Sensor Type Description Common Uses Measures the acceleration force in m/s2 that is applied to a device TYPE_ACCELEROMETER Hardware on all three physical axes (x, y, and z), including the force of Motion detection (shake, tilt, etc.) gravity. Measures the force of gravity in m/s2 that is applied to a device on YPE GRAVITY Software or Hardware Motion detection (shake, tilt, etc.) all three physical axes (x, y, z). Measures a device's rate of rotation in rad/s around each of the TYPE_GYROSCOPE Hardware Rotation detection (spin, turn, etc.) three physical axes (x, y, and z). Measures the acceleration force in m/s2 that is applied to a device YPE LINEAR ACCELERAION Software or Hardware on all three physical axes (x, y, and z), excluding the force of Monitoring acceleration along a single axis gravity. Measures the orientation of a device by providing the three YPE ROTATION VECTOR Software or Hardware Motion detection and rotation detection elements of the device's rotation vector."
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    {
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      "raw_text": "POSITION SENSORS Position sensors are useful for determining a device's physical position in the world's frame of reference. Sensor Type Description Common Uses Measures the ambient geomagnetic field for all three physical axes (x, y, z) TYPE_MAGNETIC_FIELD Hardware Creating a compass. in T. Measures degrees of rotation that a device makes around all three physical axes (x, y, z). As of API level 3 you can obtain the inclination matrix and TYPE ORIENTATION Software rotation matrix for a device by using the gravity sensor and the Determining device position geomagnetic field sensor in conjunction with the getRotationMatrix0 method. Measures the proximity of an object in cm relative to the view screen of a TYPE_PROXIMITY Hardware device. This sensor is typically used to determine whether a handset is Phone position during a call. being held up to a person's ear."
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    {
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        "timestamp": "2025-10-31T20:18:23+07:00"
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      "raw_text": "ENVIRONMENT SENSORS Environment sensors let you monitor various environmental properties. Sensor Type Description Common Uses YPE AMBIENT TEMPERATURE Hardware Measures the ambient room temperature in degrees Celsius (°C) Monitoring air temperatures YPE LIGHT Hardware Measures the ambient light level (illumination) in lx Controlling screen brightness TYPE PRESSURE Hardware Measures the ambient air pressure in hPa or mbar. Monitoring air pressure changes. Monitoring dewpoint, absolute, and relative TYPE_RELATIVE_HUMIDITY Hardware Measures the relative ambient humidity in percent (%) humidity. Measures the temperature of the device in degrees Celsius (°C). This YPE TEMPERATURE Hardware sensor implementation varies across devices and this sensor was replaced Monitoring temperatures. With the TYPE_AMBIENT_TEMPERATURE sensor"
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      "raw_text": "SPECIAL DEVICES Camera // The camera contains an image sensor or imager that detects and conveys information used to make an image GNSS GNSS stands for Global Navigation Satellite System and is the standard generic term for satellite navigation systems. This term includes e.g. the GPS, GLONASS, Galileo, Beidou, and other regional systems"
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      "raw_text": "04. DEVELOP  MOBILE APP WITH DEVICE SENSORS DO"
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      "raw_text": "BEFORE/AFTER USING SENSORS Determine which sensors are available on a device Determine an individual sensor's capabilities, such as its maximum range. manufacturer, power requirements, and resolution. 0D 0  Acquire raw sensor data and define the minimum rate at which you username 92%. SIGN IN acquire sensor data. OR use othea accouut SociolNetwork SocialNetwork2 Soca1 Netwock 3 X  Register and unregister sensor event listeners that monitor sensor changes"
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      "raw_text": "WHILE USING s SENSORS Be sure you choose a delivery rate that is suitable for your application or use case. Sensors can provide data at very high rates. Allowing the system to send extra data that you don't need wastes system resources and uses battery power.  Only gather sensor data in the foreground. Apps running in the background have a restriction that can not access sensor events  Avoid using deprecated methods or sensor types. Several methods and constants have been deprecated and might return unexpected behaviors  Try to test as many different kinds of mobile devices as possible"
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      "raw_text": "Thank you thanhhoang@hcmut.edu.vn"
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      "raw_text": "CO3O43 - MOBILEAPPLICAUON DEVELOPMENI CHAPTER 8 App Mobile P. MEng.Hoang Le Hai Thanh thanhhoang[at]hcmut.edu.vn Department of Computer Systems & Networks Faculty of Computer Science & Engineering TRUONGDAIHOC BACH KHOA BK TP.HCM DAI HOC QUOC GIA TP.HCM"
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      "raw_text": "cHAPTER 8 content. MOBlE  APP 01 PUBLisHINg 02 StORE  sUBmIssiOn MOBilLE APP 03 MAINTENANCE ntRODUCtiOn tO 04 SentRY.IO"
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      "raw_text": "01 Mobile App Publishing"
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      "raw_text": "MobileAppl Publishing Mobile app publishing refers to the process of making a mobile application available to users for download and installation."
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      "raw_text": "Find, Download l P urchase and 800,000 613,433 600,000 573,807 526,259 469,198 400,725 400,000 318.561 255,499 217.470 177,639 200,000 0 2017 2018 2019 2020 2021 2022 2023 2024 2025 Games Social Networking Entertainment Photo & Video Lifestyle Music Productivity Books & Reference Education Health & Fitness Utilities Sports Business News & Magazines Navigation Finance Shopping Food & Drink Weather Medical Travel Revenue of mobile apps worldwide2017-2025,by segment(in million U.S.dollars).Source:Statista"
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      "raw_text": "Official App Store IIIII Online Store Official mobile app stores are digital platforms  C provided by operating system manufacturers or BUY major technology companies where  users can discover, download, and install mobile apps for their devices 7 2 3 Apple Google Huawei X HUAWEI AppStore Play Store AppGallery"
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      "raw_text": "more 4 1 amazon appstore Google Play AA Slide me"
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      "raw_text": "Why Official ApP ? Wider Audience Reach Trust and Credibility  Security and Privacy Consistent User Experience Automatic Updates B:4 Monetization Options 3:32 Device Compatibility Marketing and Promotion Developer Support & Resources How much it costs for these benefits?"
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      "raw_text": "02 Store"
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      "raw_text": "P A subscription-based service provided by Apple that allows developers to create and distribute applications for Apple's platforms Annyal Fee: $99 $299 ndividual Organization Enrollment Enrollment"
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      "raw_text": "X App Store  Connect Thanh Hoang Le Hai v App Store Connect VIETNAMBLOCKCHAINCORPORA.. News Holiday schedule App Review will continue to accept submissions throughout the upcoming holidays. Keep in mind that we anticipate high volume and reviews may take longer to complete from December 22-27.Plantosubmittime-sensitivesubmissionsearly My Apps App Analytics Sales and Trends Payments and Financial Reports Users and Agreements, Tax, Access and Banking Copyright@2023AppleInc.Allrightsreserved Terms of Service Privacy Policy https://appstoreconnect.apple.com/trends Contact Us"
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      "raw_text": "X App Store  Connect Forest Explorer v App Store Features TestFlight Activity iOS App iOS App 1.0 Save Submitfor Review 1.0 Prepare for Submission Add macOS App Version lnformation English(U.S.) v Add tvOS App General App Preview and Screenshots ? View All Sizes in Media Manager App Information iPhone iPhone iPad Pro(3rd Gen) iPad Pro 2nd Gen Pricing and Availability 6.5\"Display 5.5\"Display 12.9\" Display 12.9\" Display Ratings and Reviews Version History In-App Purchases Manage App Store Promotions 1 of 3 App Previews 3 of 10 ScreenshotsChoose FileDelete All"
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      "raw_text": "Pay An account that developers use to publish and manage their Android applications on the Google Play Store. Mes One-time Registration Fee lateAp $25 411o aging Individual & Organization Enrollment"
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      "raw_text": "Google Play Console + 0 X Google Play Console F C play.google.com/console ... Google Play Console Q Search Play Console Shrine G F Allapplications Dashboard Dashboard Set up your app Inbox il. Statistics Set up yourapp Managed publishing Provide some information about your app and set up your store listing Hide tasks  Release LET US KNOW ABOUT THE CONTENT OF YOUR APP 0 Appaccess> Grow 0 Ads> Quality v 0 Content rating 0 Targetaudience Monetize Policy and compliance MANAGEHOW YOUR APPIS ORGANIZEDAND PRESENTED 0 Select an app category and provide contact details 0 Set up your store listing Release your app"
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      "raw_text": "Google Play Console X Google Play Console + C play.google.com/console A ... Google Play Console Q Search Play Console G ? Shrine F All applications Store listing conversion analysis Understand how your store listing is performing by monitoring impressions,user acquisitions,and conversion rate.Show more Dashboard Inbox Configure report Exportreportv Last 30 days il. Statistics View byCountry Brazil X Mexico X Argentina X 110 Managedpublishing Filter by Store listing:Newapp icon X 2sources X +Add filter Release Visitors, acquisitions, and conversion rate by country Grow Mar1,2020-Mar 31,2020 M Acquisition analysis Visitors Store presence 60K Play games services 40K Quality 20K Monetize Policy and compliance 0"
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      "raw_text": "OTAU pdate Play Store A Java code Native binaries App Expo Application Services Compiles to Download React code JavaScript Bundle Microsoft 2142 Visual Studio App Center Update Bundle App center (CodePush)"
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      "raw_text": "OTA Update makes fixing small bugs and pushing quick fixes a snap in  OTA Updates allows you to release enhancements in response to user feedback or market trends  OTA updates can only be used for updating JavaScript code and certain assets  Changes to native modules or resources often require a new version of the app distributed through the app store."
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      "raw_text": "Mobile App Maintenance Types: Adaptive Predictive Corrective Preventive Maintenance Maintenance Maintenance Maintenance"
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      "raw_text": "fix all? Imagine your app has been released on App Store and Google Play Your app crashed on a Some errors only occur certain type of device on a special condition You can't meet your You can't reproduce the error or can't access user's customers to access their device for debugging credential to analyze"
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        "timestamp": "2025-10-31T20:22:26+07:00"
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      "raw_text": "SENTRY cynthie@example.com Android G Pixel 5 ID:1181 Version:8 ModelPixel 5 device Pixel 5 device.family Pixel dist 2.5.1.0 environment production handled yes level error Sentry is an open-source mechanism generic os Android 8 os.name Android release 3.2 user id:1181 platform that provides real- tracking Stack Trace Most Relevant Full Stack Trace Tl Newest time error and Error monitoring for software Unhandled Promise Rejection applications. mechanism generic handled true app:///HomeScreen.tsx in Promise$argument_0 at line 177:24 In App 172 </TouchableOpacity> 173 <View style={styles.spacer}/> DEMO: 174 <TouchableOpacity 175 onPress={=> https://try.sentry-demo.com/ 176 new Promise => { 177 throw new Error'Unhandled Promise Rejection': 178 }): 179 }}> 180 <Text style={styles.buttonText}>Unhandled Promise Rejection</Text> 181 </TouchableOpacity> 182 <View style={styles.spacer}/> Called from:app:///core.js in tryCallTwo System app:///HomeScreen.tsx in TouchableOpacity.props.onPress at line 176:16 In App Called from:app:///Pressability.js in-performTransitionSideEffects System"
    },
    {
      "page_index": 184,
      "chapter_num": 8,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_8/slide_024.png",
      "metadata": {
        "doc_type": "slide",
        "course_id": "CO3043",
        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_8/slide_024.png",
        "page_index": 184,
        "language": "en",
        "ocr_engine": "PaddleOCR 3.2",
        "extractor_version": "1.0.0",
        "timestamp": "2025-10-31T20:22:35+07:00"
      },
      "raw_text": "Sentry Firebase Crashlytics Offers metadata,stack traces, breadcrumbs,suspect Offers metadata, stack traces, keys, logs commits, screenshots,view hierarchy Context Source Map support for React Native No Source Map support for React Native and Insights Search and filter by custom tags: view trends and Limited search and filter capabilities: export and analyze data with Dashboards and Discover analyze data in BigQuery Fully customizable alerts Pre-setalerts Workflow Automatic issue assignment and notifications No issue assignment or targeted notifications Two-way data flow between other tools One-way data flow to other tools Product investments focused on enabling developers Product investments focused on deeper integration to adopt new technologies with Firebase Platform Innovation Vendor agnostic Relianton Firebase Platform and Scale EU Data residency Not GDPR compliant"
    },
    {
      "page_index": 185,
      "chapter_num": 8,
      "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_8/slide_025.png",
      "metadata": {
        "doc_type": "slide",
        "course_id": "CO3043",
        "source_file": "/workspace/data/converted/CO3043_Mobile_Application_Development/Chapter_8/slide_025.png",
        "page_index": 185,
        "language": "en",
        "ocr_engine": "PaddleOCR 3.2",
        "extractor_version": "1.0.0",
        "timestamp": "2025-10-31T20:22:42+07:00"
      },
      "raw_text": "CO3043 - CHAPTER 8 t K MEng. Hoang Le Hai Thanh thanhhoang[at]hcmut.edu.vn"
    }
  ]
}