App Modularization: From Zero to Hero

Slide 1

Slide 1 text

APP MODULARIzation: FROM ZERO TO HERO! Moyinoluwa Adeyemi @moyheen

Slide 2

Slide 2 text

APP “Separating logical components of your app project into discrete modules” 2

Slide 3

Slide 3 text

WHY? 3

Slide 4

Slide 4 text

WHY? × Cleaner codebase 4

Slide 5

Slide 5 text

WHY? × Cleaner codebase × Separation of concerns 5

Slide 6

Slide 6 text

WHY? × Cleaner codebase × Separation of concerns × Faster build times 6

Slide 7

Slide 7 text

WHY? × Cleaner codebase × Separation of concerns × Faster build times × Dynamic delivery 7

Slide 8

Slide 8 text

WHY? × Cleaner codebase × Separation of concerns × Faster build times × Dynamic delivery × App Bundles 8

Slide 9

Slide 9 text

When? 9

Slide 10

Slide 10 text

WHEN? start? 10

Slide 11

Slide 11 text

WHEN? start? middle? 11

Slide 12

Slide 12 text

WHEN? start? middle? middle? 12

Slide 13

Slide 13 text

WhO? 13

Slide 14

Slide 14 text

YOU, SITTING IN THIS TALK? 14

Slide 15

Slide 15 text

WHERE? 15

Slide 16

Slide 16 text

IT DEPENDS! 16

Slide 17

Slide 17 text

ZOLA APP 17

Slide 18

Slide 18 text

ZOLA APP 18

Slide 19

Slide 19 text

HOW? 19

Slide 20

Slide 20 text

dYNAMIC FEATURE MODULES 20

Slide 21

Slide 21 text

dYNAMIC FEATURE MODULES 21

Slide 22

Slide 22 text

dYNAMIC FEATURE MODULES 22

Slide 23

Slide 23 text

ARCHITECTURE - IN THE BEGINNING 23 :app

Slide 24

Slide 24 text

ARCHITECTURE - MULTIPLE MODULES (FIRST PASS) 24 :database :app

Slide 25

Slide 25 text

ARCHITECTURE - MULTIPLE MODULES (FIRST PASS) 25 :database :order :lead :service :installation :app :inventory

Slide 26

Slide 26 text

ARCHITECTURE - MULTIPLE MODULES (SECOND PASS) 26 :database

Slide 27

Slide 27 text

ARCHITECTURE - MULTIPLE MODULES (SECOND PASS) 27 :database :core

Slide 28

Slide 28 text

ARCHITECTURE - MULTIPLE MODULES (SECOND PASS) 28 :database :test_shared :core

Slide 29

Slide 29 text

ARCHITECTURE - MULTIPLE MODULES (SECOND PASS) 29 :database :core :app :test_shared

Slide 30

Slide 30 text

ARCHITECTURE - MULTIPLE MODULES (SECOND PASS) 30 :database :order :lead :service :installation :core :inventory :app :test_shared

Slide 31

Slide 31 text

MANIFEST.XML FILE 31

Slide 32

Slide 32 text

MANIFEST.XML FILE - INTENT FILTER 32

Slide 33

Slide 33 text

START ACTIVITY FROM A DIFFERENT MODULE fun goToTasks(context: Context) = Intent(Intent.ACTION_VIEW).apply { setClassName(context.packageName, "$BASE_PACKAGE.features.service.TasksActivity") } 33

Slide 34

Slide 34 text

34 SETTINGS.GRADLE FILE (ROOT) include ':app', ':dynamic_feature'

Slide 35

Slide 35 text

35 BUILD.GRADLE FILE (APP) dynamicFeatures = [":dynamic_feature"]

Slide 36

Slide 36 text

36 CORE_TEST_DEPEndencies.GRADLE FILE (ROOT) apply from: '../core_test_dependencies.gradle'

Slide 37

Slide 37 text

R class import com.offgrid.electric.confetti.R import com.offgrid.electric.confetti.features.order.R as orderR 37

Slide 38

Slide 38 text

R class override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(orderR.layout.activity_customer_edit) 38

Slide 39

Slide 39 text

CONTINUOUS INTEGRATION 39

Slide 40

Slide 40 text

ANY GOTCHAS? 40

Slide 41

Slide 41 text

APOLLO GRAPHQL ‍♀ 41 “Couldn’t find some schema files for the variant stagingDebug. Please ensure a valid schema.json file exists under the variant source sets”

Slide 42

Slide 42 text

APOLLO GRAPHQL 42 sourceSets { main { java.srcDirs += ['src/main/graphql'] } }

Slide 43

Slide 43 text

APOLLO GRAPHQL 43 apollo { customTypeMapping = ["DateTime": "java.util.Date"] schemaFilePath = "../../com/my/example/schema.json" outputPackageName = "com.my.example.features.feature" }

Slide 44

Slide 44 text

DEPENDENCY INJECTION with dagger - thE problem 44 http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modules.html

Slide 45

Slide 45 text

DEPENDENCY INJECTION with dagger - thE problem 45 http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modules.html class ConfettiJobCreator @Inject constructor( private val jobs: @JvmSuppressWildcards Map> ) : JobCreator { override fun create(tag: String): Job? = jobs[tag]?.get() }

Slide 46

Slide 46 text

DEPENDENCY INJECTION with dagger - thE problem 46 http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modules.html ... @Binds @IntoMap @StringKey(SomeJob.JOB_TAG) internal abstract fun bindSomeJob(job: SomeJob): Job ...

Slide 47

Slide 47 text

DEPENDENCY INJECTION with dagger - thE problem 47 http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modules.html

Slide 48

Slide 48 text

DEPENDENCY INJECTION with dagger - the solution 48 http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modules.html

Slide 49

Slide 49 text

49 Localization - l10n Handling multiple string.xml ﬁles while using a translation tool?

Slide 50

Slide 50 text

Unit tests 50

Slide 51

Slide 51 text

Unit tests 51

Slide 52

Slide 52 text

DISTRIBUTION 52

Slide 53

Slide 53 text

Credits × Presentation template by SlidesCarnival × http://adavis.info/2019/06/dagger-multibinding-in-dynamic-feature-modul es.html × https://github.com/android/plaid × https://codelabs.developers.google.com/codelabs/your-ﬁrst-dynamic-app × https://medium.com/androiddevelopers/a-patchwork-plaid-monolith-to- modularized-app-60235d9f212e 53

Slide 54

Slide 54 text

THANKS! Moyinoluwa Adeyemi @moyheen 54