Google IO 2017 Review

An Android developer's skewed perspective of what was important from IO.

Transcript

1. Google I/O 2017
2. New Official Language for Android
3. Kotlin • JVM Language ◦ Fully interoperable with Java ▪ Could be used to write a single class or an entire project. • Talks at I/O ◦ Keynote Announcement: https://youtu.be/Y2VF8tmLFHw?t=1h27m25s ◦ Develop Keynote: https://youtu.be/EtQ8Le8-zyo?t=9m22s ◦ Intro to Kotlin: https://youtu.be/X1RVYt2QKQE ◦ Additional Kotlin Talk: https://youtu.be/fPzxfeDJDzY • https://kotlinlang.org/docs/tutorials/koans.html • Share code between Android and iOS ◦ https://blog.jetbrains.com/kotlin/2017/04/kotlinnative-tech-preview-kotlin-without-a-vm/ • https://www.kotlinconf.com/
4. Android O - Implicit Broadcasts no longer wake an Application.* - https://youtu.be/hbLAzwhBjFE?t=5m24s - Background services no longer ‘a thing’ - https://youtu.be/hbLAzwhBjFE?t=6m6s - GCM/FCM with normal priority will not always show immediately - https://youtu.be/hbLAzwhBjFE?t=8m1s - JobIntentService (Support Lib) - https://youtu.be/hbLAzwhBjFE?t=8m54s - Background Location queries are limited to a few updates/hour - https://youtu.be/hbLAzwhBjFE?t=11m44s
5. FONTS! • Native font support ◦ Added to support library! • Downloadable Fonts • Emoji Compatibility https://www.youtube.com/watch?v=V6-roIeNUY0
6. Android Architecture Components • Room - A SQLite object mapper. ◦ Think Retrofit for SQLite...sort of. ◦ https://www.youtube.com/watch?v=MfHsPGQ6bgE • LiveData - Lifecycle aware core component ◦ https://www.youtube.com/watch?v=bEKNi1JOrNs Introduction: https://www.youtube.com/watch?v=FrteWKKVyzI
7. Misc. - Google Maven Repository - maven { url "https://maven.google.com"} - https://youtu.be/Hx_rwS1NTiI?t=20m4s - Support Lib 26 dropped support for API < 14 - Removed > 1400 methods - Deprecated ~30 classes/interfaces & ~400 methods - Physics-based Animations - https://www.youtube.com/watch?v=BNcODK-Ju0g - Open sourcing Firebase
8. Notifications Badges - “Dots” - Notification badge for launcher icons - Does not indicate number of notifications, only that one exists - https://youtu.be/TB-K6OniF68?t=38m37s
9. Notifications Hierarchy - Notification Hierarchy - https://youtu.be/TB-K6OniF68?t=17m5s - Top: Major Ongoing - https://youtu.be/TB-K6OniF68?t=17m59s - Important Ongoing tasks - Middle: People to People/General - https://youtu.be/TB-K6OniF68?t=20m - Messaging/SMS... - Bottom: By the way - MIN_PRIORITY notification
10. Notification Hierarchy TOP MIDDLE BOTTOM
11. Notification Channels - Gives the user more control over notifications - Currently users can control an app notifications in one of two ways: i. Block all notification for the app ii. Uninstall the app - https://youtu.be/TB-K6OniF68?t=24m4s
12. Notification Channels - A named category of notifications for an application - Channels are defined by the application - Initially configured by the application - Importance - Sound - Lights - Vibrations - Show on lockscreen - Override DND - Configuration is overridable by the user - https://youtu.be/TB-K6OniF68?t=27m30s
13. Notification Channels - Mandatory once an application targets Android O - Applications cannot change channel settings set by the user - Android OS has other ways to prevent/discourage other work arounds to channels - https://youtu.be/TB-K6OniF68?t=35m21s