Android Platform Knowledge

Company Internal Training for Ionic Developer

Transcript

1. Android Platform Knowledge
2. Outline • Android Project Structure • Google Play Console • Android Application Components Lifecycle
3. • Java (Source) • Layout Resource • Drawable Resource • Data Resource • AndroidManifest.xml • build.gradle
4. Java (Source) - All of the Java or Kotlin Classes for Android Development - This classes include Activity, Fragment, Service, Broadcast Receiver, Content Providers, POJO
5. Layout Resource - All of Layout file(.xml) was created in "res/layout" folder - Use for UI (xml is a markup language, similar to HTML in Web development)
6. Drawable Resource - Density Buckets (Support different pixel) - Mipmap and Drawable are Drawable Resource - Mipmap is used for app/launcher icons (Best Practice) - Drawable is used for general graphic that can be drawn to the screen External Links https://developer.android.com/guide/topics/resources/drawable-resource
7. Data Resource - All of the Data Resource Values was created in "res/ values" folder - Data Value to use within the whole app - color.xml, dimens.xml, strings.xml, styles.xml
8. AndroidManifest.xml - Describe essential info about app to the Android build tools, Android OS and Google Play - Every App Components must declare in manifest file (activity, service, receiver, provider) - Every Permissions must declare in manifest file (access sensitive use data: contacts, SMS, etc,. and certain system features: camera, internet access, etc,.)
9. Build.gradle - Grade file are Android Build System that compiles app resources and source code and packages them into APKs - Top Level Gradle file, Module Gradle file and Setting Gradle file - Custom build Configurations (Build Types, Product Flavors, Build Variants, Manifest Entries, Dependencies, Signing, ProGuard, Multiple APK support)
10. Top Level Gradle File - Located in the root project directory - Defines build configurations that apply to all modules
11. Module Level Gradle File • Located in each project/module/ directory • Configure every build configuration
12. Setting Gradle file - Located in the root project - Tell gradle which modules it should include when building app include ':NexLabs' project(':NexLabs').projectDir = new File('app')
13. Custom build Configurations Default Config • ApplicationID • MinSdkVersion • TargetSdkVersion • VersionCode • VersionName
14. Custom build Configurations SigningConfigs • Keystore (location) • Keystore Password • Key alias name • Key password
15. Custom build Configurations BuildTypes • applicationIdSuffix • vesionNameSuffix • debuggable • minifyEnable • proguardFiles • manifestPlaceholders • signingConfig • initWith
16. Custom build Configurations ProductFlavors • Like build type • Can change every default configuration
17. Google Play Store • Production, Open, Close and Internal Test App Release • Device catalog • Restrict Country
18. Android Application Components Activity Photo © Google
19. Android Application Components Fragment Photo © Google