Android makers
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The document outlines various topics related to Android app development, including offline user experience (UX), the navigation component, and the use of Koin for dependency injection. It also covers UI testing techniques using Kotlin DSL. Additional concepts discussed include lifecycle management of fragments and implementing styles and themes in Android applications.
Android makers
- 2. Talks ● Offline UX ● Window ● Pull Requests ● Styles and Themes ● Puzzlers ● Navigation Component ● Koin ● UI Tests with Kotlin DSL 2
- 4. Offline UX 11 4 ● Offline by default ● Online is the icing on the cake
- 5. Window 12 5
- 6. Window 12 6 Debug layout on device View Zeplin-like measures
- 8. Pull Requests 13 8 ● Draft ● Template
- 10. Styles and themes 14 View Style Default style Theme Text Appearance 10
- 11. Puzzlers 15 11
- 12. Lifecycle 15 12 Et si, dans le onCreate, on fait un finish() ?
- 14. Locale resolution 15 14 Default is always english Locale resolution
- 16. Navigation component 16 16 ● Navigation Graph ● Pass data during navigation ● Manage animations ● Manage deeplinking ● Manage back-stack
- 17. Koin 17 17
- 18. Koin 17 18 simple DSL : module, single, factory, get Modules declaration utilisation: KoinComponent, get, inject Koin class
- 20. UI Tests with kotlin DSL 18 20 @RunWith(AndroidJUnit4::class) class PaymentScreenTest { @JvmField @Rule val runner = ActivityTestRule<PaymentActivity>( PaymentActivity::class.java, true, false ) @Test fun test() { // setup stubFor(get(…)).willReturn( aResponse() .withStatus(200) .withHeader("Content-Type", "application/json") .withBody(…) ) val activity = runner.launchActivity( PaymentScreenFactory(appContext).makeLaunchIntent() ) val list = activity.findViewById(R.id.breakdown) IdlingRegistry.getInstance() .register(RecyclerViewScrollingIdlingResource(list)) // run onView(R.id.pay_now_button).click() // verify val container = isDescendantOfA(withId(R.id.confirmation)) onView(allOf(container, withId(R.id.destination))) .check(matches(withText("Paris"))) val price = appResources.getString(R.string.price_format, 50.7) onView(allOf(container, withId(R.id.total_price))) .check(matches(withText(price))) } } class PaymentScreenTest { @Test fun test() = gwen { given { server stubs { get(…) with json(…) } user launches { paymentScreen() } } whenever { user selects { payNow() } } then { user sees { confirmation { destination = "Paris" totalPrice = 50.7 } } } } }