I/O '19 Extended in Korea Android ~ What's New in Android

I/O '19 Extended in Korea Android 에서 발표한 자료입니다.

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1. What’s New in Android Noh HyeonSeok Android GDE
2. Noh HyeonSeok Pluu Android GDE GDG Korea Android Naver
3. DarkTheme Gesture Navigation Kotlin Jetpack Compose External Storage ViewBindings Location Connectivity SeJings Panel Bubbles External Storage 5th session Live Caption Suggested actions in notiTcations Privacy Accessibility Project Mainline Foldables G networks Digital wellbeing Focus Mode Family Link Audio playback capture New audio and vid n 1.1 and ANGLE al Networks API 1.2 ART optimiza Therma Kotlin 2nd session Privacy 4th session Accessibility 3rd session Background Activity
4. Bubbles
5. • ݽٚ জ ਤী ಴द • RAM, ੹ਗ, ࢿמী ؀ೠ ੉ग • बпೠ ࠁউ Ҋ۰ ࢎ೦ਵ۽ ࠙ܨ • Deprecated SWAs • Android Goীࢲ SAWs Permission ӂೠਸ ࠗৈೞ૑ ঋ਺ System AleX Window Se2ings.canDrawOverlays() == false
6. • SAW੄ ؀উ଼ • NotiCcation ഐ୹ী ੄೧ ֢୹ • ઺ਃೠ ੘সਸ औѱ ੽Ӕೞח ߑߨ • ই੉௑җ Activityܳ ੐߬٣٘ೞח ഋక • ࢸ੿ > জ ߂ ঌܿ > ঌܿ > ঌܿ ೂࢶ (Q Beta4) Bubbles
7. • Collapsed • ই੉௑җ ݫࣁ૑ ֢୹ • Expanded • ಟ୛૓࢚క۽, Window ղࠗ۽ Activity ֢୹ Bubbles Q Beta4ীࢲ ز੘ ࢚੉ ޙઁ (IssueTracker) • NotiCcationਵ۽ Bubble ޷֢୹ • ࠂࣻ Bubble ֢୹
8. extended 1. BubbleActivity in AndroidManifest.xml <activity android:name=".bubbles.BubbleActivity" android:theme="@style/AppTheme.NoActionBar" android:label="@string/title_activity_bubble" android:allowEmbedded="true" android:documentLaunchMode="always" android:resizeableActivity="true" /> Required
9. extended 2. BubbleMetadata ࢤࢿ val target = Intent(context, BubbleActivity::class.java) val bubbleIntent = PendingIntent.getActivity(context, 0, target, 0) // Create bubble metadata val bubbleData = NotiCcation.BubbleMetadata.Builder() .setDesiredHeight(600) .setIcon(Icon.createWithResource(context, R.drawable.icon)) .setIntent(bubbleIntent) .build()
10. extended 3. Add BubbleMetadata to NotiTcation val builder = NotiCcation.Builder(context, CHANNEL_ID) .setContentIntent(contentIntent) .setSmallIcon(smallIcon) .setBubbleMetadata(bubbleData)
11. • AutoExpandBubble • DeleteIntent • DesiredHeight • Icon • Intent • SuppressNotiCcation BubbleMetadata
12. Multitasking Overview Picture-in-Picture Bubble Low Interaction High Interaction
13. DARK THEME
14. Light theme Dark Theme
15. extended System theme seJing New in Q Beta 4 ࢸ੿ > ٣झ೒ۨ੉
16. extended ׮௼ ప݃ܳ ࢎਊೞب۾ ӂ੢ Google জ ׮௼ ప݃ ૑ਗ ৘੿ Dark theme: app suppoX
17. extended forceDarkAllowed <style name="Theme.MyApp" parent="@style/Theme.MaterialComponents.Light"> <item name="android:forceDarkAllowed">true</item> </style>
18. extended AppCompat 1.1.0 <style name="MyTheme" parent="@style/Theme.AppCompat.DayNight"> ... </style>
19. extended values/themes.xml <style name="Theme.AppCompat.DayNight" parent="Theme.AppCompat.Light"> values-night/themes.xml <style name="Theme.AppCompat.DayNight" parent="Theme.AppCompat"> Theme
20. extended Apply Theme NightMode ࢸ੿ AppCompatDelegate.setDefaultNightMode() getDelegate().setLocalNightMode() ੹୓ ࢸ੿ ౠ੿ Activity
21. extended Modes DAYNIGHT MODE_NIGHT_YES ೦࢚ Dark Theme MODE_NIGHT_NO ೦࢚ Light Theme MODE_NIGHT_FOLLOW_SYSTEM दझమ ࢸ੿ী ٮܲ Theme MODE_NIGHT_AUTO_BATTERY ߓఠܻ ੺੹ ݽ٘ੌ ٸ Dark Theme Add, AppCompat 1.1.0
22. extended दझమ ప݃ܳ ؗযॳח (override) ഋక Options • Light • Dark • System Default Android Q
23. extended ࢎਊ੗о Dark Theme ࢎਊೡ ࣻ ੓ח ߑߨਸ ઁҕ Options • Light • Dark • ੺੹ ݽ٘ Android P ੉ೞ
24. extended • दрҗ ҙ۲ػ MODE_NIGHT_AUTO_TIME deprecated • Dark Themeܳ On/Oc оמೠ ӝמ ഋక • WebView + Force Dark ૑ਗ • Custom Tab ١ ૑ਗ ৘੿ • NotiCcation਷ ੗ز ੸ਊ / ழझథ਷ ࣻ੿ ೙ਃ Dark theme in Q
25. extended Dark-theming your app Option A Theme.AppCompat.DayNight // ੉޷ ࢎਊ ઺ ࣻب ੓׮ Theme.DeviceDefault.DayNight // ٣߄੉झ ࢸ੿ী ٮۄ ThemeOverlay.DeviceDefault.Accent.DayNight Option B android.forceDarkallowed=“true” // AndroidManifest.xml ী ࢸ੿ view.setForceDarkallowed(false); // ForceDarkܳ ઁ৻୊ܻ
26. extended Dark-theming your app Option C Night Modeী ҙ۲ػ -night ܻࣗझ ೠ੿੗৬ ࢸ੿ਵ۽ ੘স Option D OS੄ Night Modeܳ ޖद
27. Gesture Navigation
28. Android P 9.0 New System Navigation
29. Gesture Navigation Android 10.0
31. • ӝࠄ੸ੋ ই੉٣যח दझమ UI ৔৉ਸ ઴੉ח Ѫ • ށੑഋ(Immersive) ੹୓ ചݶীࢲח 
 ઁझ୊۽ ׮ܲ ز੘ਸ ࢎਊ • OEMҗ ഈ۱ೞৈ ױࣽೠ ಴ળਸ ٜ݅ ৘੿ • ࢸ੿ > दझమ > ز੘ > System navigation
 (Q Beta4) Gesture Navigation
32. More Gesture extended
33. • System gestureо о૑ח ৔৉ • ઝ਋ஏ : Back Gesture • ೞױ : Home Gesture System gesture INSETS New in Q
34. • জ੉ ੤੿੄ೡ ࣻ হח ৔৉ • Qীࢲח Home Gesture ਊب۽ ࢎਊ Mandatory System gesture INSETS New in Q
35. Need exclusion
36. Required system gesture New in Q
37. Override gestures View.setSystemGestureExclusionRects(List<Rect> rects)
38. Consuming insets manually view.setOnApplyWindowInsetsListener() {v, insets -> insets.consumeSystemWindowInsets() ... }
39. Text
40. • Hyphenationо API 23ীࢲ بੑ • Android Qীࢲח Ocо ӝࠄ Text Hyphenation On Hyphenation Od 0 1.25 2.5 3.75 5 Text Measure in ms
41. SystemFonts.getAvailableFonts().forEach { font -> // font.bucer, font.Cle, font.style, font.localeList, etc … } Find systems Fonts
42. #include <android/system_fonts.h> ASystemFontIterator* iterator = ASystemFontIterator_open(); ASystemFont* font = nullptr; while ((font = ASystemFontIterator_next(iterator)) != nullptr) { const char* path = ASystemFont_getFontFilePath(font); // ... ASystemFont_close(font); } ASystemFontIterator_close(iterator); Native API for system fonts
43. • Suppot • • LineBackgroundSpan Another new feature LineHeightSpan LineBackgroundSpan
44. Kotlin
45. 50% # 1 of Pro Android devs use Kotlin faster growing language
46. Pevormance Optimize Debugging suppot API Annotation KTX Coroutines Suppot Jetpack Compose Kotlin plugin for Android Studio Refactoring/Lint Suppot Kotlin Trst
47. • ݆਷ ѐߊ੗ٜ੉ Kotlin ࢎਊ੄ ݅઒ (Survay 25%) Kotlin Trst: Why?
48. • Kotlinਸ ݢ੷ ੽Ӕೞח Ѫ਷ ਤ೷ • Java ঱যח ই૒ ૑ਗ • Java৬ ࢚ഐ ഐജ ୓௼ • Project৬ Team੄ ࢚ടਸ ୓௼ • ౟ۨ੉٘ য়೐ • ࢤ࢑۱, पઁ ݅઒, ۞׬ழ࠳, ࠽٘ ࣘب, APK ௼ӝ Kotlin Trst: should I switch?
49. Java Kotlin Plahorm SDK SuppoX Yes Yes Android Studio SuppoX Yes Yes Lint Yes Yes Guided docs SuppoX Yes Yes API docs SuppoX Yes Yes AndoridX SuppoX Yes Yes AndroidX Kotlin-speciTc APIs (e.g. KTX, coroutines) N/A Yes Online training Best ecot Yes Samples Best ecot Yes Multi-plahorm Project No Yes Jetpack Compose No Yes What’s does Kotlin First mean?
50. • Android Qীࢲ APIח Nullable Annotation ૑ਗ • Qীࢲח Null ೲਊਸ য়ܨ۽ ъઁച • Kotlin 1.3.30ীࢲ
 kapt੄ Incremental annotation processing Kotlin 2nd Kotlin Under the Hood
51. NotiTcation
52. • ૓زҗ ঌܿ ܻࣗী ೖ۽ • ઺ਃೞ૑݅, ૊п ୊ܻೞ૑ ঋইب غח ঌܿ Gentle NotiTcation
53. • OS ৔৉੄ ਋ࢶ ࣽਤ • Prioritized (਋ࢶࣽਤ ૑੿ؽ) • Gentle (ઑਊ൤ ಴दؽ) • Prioritized • ೙ࣻ ੢஖ ӝמ • ழޭפா੉࣌ • ੉߮౟/ঌۈ • ࢎਊ੗ী ੄೧ Proritized/Gentle ੹ജ оמ Interruptions
54. Jetpack Compose
55. History of Android 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 1.0 Android Studio ART Recycler View Constraint
 Layout Kotlin Arch Components
56. View ҙ۲ ௏٘ MyFragment.[kt|java] my_fragment.xml a2rs.xml styles.xml
57. • ରࣁ؀ UI toolkit • Unbundled • ߈਽ഋ • Kotlinਵ۽ ੘ࢿ • React, Litho, View.js, Flu2er • Open Source Jetpack Compose
58. • Jetpack UI Widget • Not View, Not Fragment => ؊ ੘਷ ݽٕ • Kotlin Compiler Plugin ࢎਊ • ӝઓ App/Code৬ ഐജ • Experimental What is Compose?
59. extended @Composable fun Greeting(name: String) { Text("Hello $name") } Hello Jetpack Hello Kotlin Hello Google Hello Android Hello World
60. • Annotation Processorܳ ޷ࢎਊ, Kotlin Compiler Plugin ࢎਊ • ೣࣻ੄ ݽٚ ݒѐ ߸ࣻח ҳࢿ ਃࣗ੄ ݒѐ ߸ࣻ ژח ࣘࢿ • XML ۨ੉ইਓ হ਺ • ؘ੉ఠ ߄ੋ٬ হ਺ @Composable
61. extended BackpoX @Composable @GenerateView fun Greeting(name: String) { /* ... */ } <GreetingView android:id="@+id/greeting" app:name="@string/greeting_name" /> val greeting: GreetingView = CndViewById("R.id.greeting") greeting.setName("Android")
62. ViewBindings
63. • CndViewById()੉ ࠛ೙ਃ • ஹ౵ੌ दী XML੄ ߄ੋ٬ ௏٘ ࢤࢿ • DataBindingҗ ਬࢎೠ ഋక • Null-safe / Type-safe ViewBindings
64. extended <androidx.constraintlayout.widget.ConstraintLayout> <TextView android:id="@+id/package_name" /> <TextView android:id="@+id/class_name" /> <ImageBu2on android:id="@+id/more_options" /> </androidx.constraintlayout.widget.ConstraintLayout> @Override fun onCreate(savedInstanceState: Bundle) { super.onCreate(savedInstanceState) binding = SearchItemBinding.inÄate(layoutInÄater) setContentView(binding.rootView) } fun later() { binding.packageName.text = "android" } search_item.xml
65. extended <androidx.constraintlayout.widget.ConstraintLayout> <TextView android:id="@+id/package_name" /> <TextView android:id="@+id/class_name" /> <ImageBu2on android:id="@+id/more_options" /> </androidx.constraintlayout.widget.ConstraintLayout> @Override fun onCreate(savedInstanceState: Bundle) { super.onCreate(savedInstanceState) binding = SearchItemBinding.inÄate(layoutInÄater) setContentView(binding.rootView) } fun later() { binding.packageName.text = "android" } search_item.xml
66. extended search_item.xml <androidx.constraintlayout.widget.ConstraintLayout> <TextView android:id="@+id/package_name" /> <TextView android:id="@+id/class_name" /> <ImageBu2on android:id="@+id/more_options" /> </androidx.constraintlayout.widget.ConstraintLayout> @Override fun onCreate(savedInstanceState: Bundle) { super.onCreate(savedInstanceState) binding = SearchItemBinding.inÄate(layoutInÄater) setContentView(binding.rootView) } fun later() { binding.packageName.text = "android" }
67. External Storage
68. Common storage Downloads Only accessible via system picker Photo/Video Gated behind storage permission Audio Gated behind storage permission Internal app storage Only accessible to app Scoped Storage Internal Storageח ӝࠄ ࠺ҕѐ, ׮ܲ জ਷ ੽Ӕ ࠛо External Storage ੽Ӕਸ ਤ೧ࢲ
 READ/ WRITE_EXTERNAL_STORAGE ӂ ೠ ೙ਃ MediaStore Queryܳ ా೧ /sdcard ইې ੄ ޷٣যܳ Ѩ࢝ оמ
69. targetSdk = P : ߸ز হ਺ targetSdk = Q ੉࢚ / opt-in • Sandbox : ೧׼ জীࢲ݅ ੽Ӕ оמ • Media Cles: MediaStore API৬ Storage Permission ೙ਃ • Photo Metadata : Storage/MediaLocation Permission ೙ਃ • MediaStore੄ ਤب/҃بח Qীࢲ deprecated, ExifIntevace ୶ୌ • ݽٚ ౵ੌ : AndroidManifestী ࢸ੿ ೙ਃ Scoped Storage 5th What’s New in Shared Storage
70. Android R Scoped Storage will be 
 required in next year’s 
 major plaÅorm release for all apps, independent of target SDK level, so we recommend you add suppot to your app well in advance.
71. Location, Location
72. ࢎਊ੗ ೐ۄ੉ߡद ъച, ࢿמ ੷ೞܳ ࠁ৮ • ೦࢚ ೲਊ / জ ࢎਊ ઺ / Ѣࠗ Permission ୶о • ACCESS_FINE_LOCATION / ACCESS_COARSE_LOCATION / ACCESS_BACKGROUND_LOCATION Location
73. extended // ੌ߈੸ੋ ਤ஖ ਃ୒ ActivityCompat.requestPermissions(this, arrayOf(ACCESS_COARSE_LOCATION), requestCode) RequestPermission
74. extended // Backgroundীࢲ ਤ஖ ਃ୒द ActivityCompat.requestPermissions(this, arrayOf(ACCESS_COARSE_LOCATION, ACCESS_BACKGROUND_LOCATION), requestCode) RequestPermission
75. extended <manifest> <uses-permission android:name="android.permission.FOREGROUND_SERVICE" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> <application> <service android:name=".LocationUpdatesService" android:foregroundServiceType="location" /> </application> </manifest> Foreground Service extended
76. extended AndroidManifest.xml targetSdk : Q <manifest> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" /> </manifest>
77. extended AndroidManifest.xml targetSdk : P ੉ೞ <manifest> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> </manifest>
78. extended AndroidManifest.xml targetSdk : P ੉ೞ <manifest> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> </manifest> <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" /> Auto Include
79. ٣߄੉झܳ Q সӒۨ੉٘ द ӂೠ ߸҃ Target 
 SDK Coarse or Cne permission granted? Background permission deCned in manifest? Updated default 
 permission state Q Yes Yes Foreground and background access Q Yes No Foreground access only Q No (Ignored by system) No access 9 ੉ೞ Yes Automatically added by the system at device upgrade time Foreground and background access 9 ੉ೞ No (Ignored by system) No access
80. Location best practices • ೙ਃೠ ӂೠ݅ ਃ୒ • Foreground ݅ ਤ஖о ೙ਃೠ ҃਋ ACCESS_BACKGROUND_LOCATION ח ࢤۚ • ForegroundServiceীࢲ ೡ ҃਋ “location” ServiceType ੉ਊ • TargetSdkо Q޷݅ੋ ҃਋, 
 ACCESS_BACKGROUND_LOCATION੉ ੗زਵ۽ ୶о
82. Background Activity
83. • Backgroundীࢲ statActivity() ઁೠ • Activity द੘ ઑѤ • Foreground জ • System, Broadcastীࢲ PendingIntent ࢎਊ • Foreground NotiCcation ࢎਊ • Android Qীࢲ प೯غח ݽٚ জী ੸ਊ Background Activity staXs 4th Privacy Change in Android Q
84. extended Warning Message
85. extended val fullScreenIntent = Intent(this, CallActivity::class.java) val fullScreenPendingIntent = PendingIntent.getActivity(this, 0, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT) val notiCcationBuilder = NotiCcationCompat.Builder(this, CHANNEL_ID) .setSmallIcon(R.drawable.notiCcation_icon) .setContentTitle("Incoming call") .setContentText("(919) 555-1234") .setPriority(NotiCcationCompat.PRIORITY_HIGH) .setCategory(NotiCcationCompat.CATEGORY_CALL) .setFullScreenIntent(fullScreenPendingIntent, true) val incomingCallNotiCcation = notiCcationBuilder.build()
86. • ঌۈ, ੹ച৬ э਷ ӟәೠ ࢎਊ੗ ߈਽ ਃҳ • FullScreenIntent • Foreground Service + NotiCcation Need to user's attention urgently
87. Connectivity
88. Disconnect
89. • ࢸ੿ ߸҃ਸ ೡ ࣻ ੓ח ചݶ ઁҕ • ੋఠ֔ োѾ, WiFi, NFC, Volume • AndroidX۽ ઁҕ ৘੿ • Android 9 (API 23) ੉ೞীࢲח ੸੺ೠ ചݶ੉ য়೑ SeJings Panel val panelIntent = Intent(Se2ings.Panel.se2ings_panel_type) statActivityForResult(panelIntent)
90. ACTION_INTERNET_CONNECTIVITY ࠺೯ӝ ݽ٘, Wi-Fi, ݽ߄ੌ ؘ੉ఠ ࠺೯ӝ ݽ٘, Wi-Fi, ݽ߄ੌ ؘ੉ఠ ACTION_WIFI Only Wi-Fi ACTION_NFC NFC ҙ۲ ࢸ੿ ACTION_VOLUME ࠅܬ ҙ۲ ࢸ੿ seJings_panel_type
92. Summary
93. Android Q Beta 4 and Final APIs! 2019.06.06
94. MAC address randomization Unbundle package installer Updatable privacy policies and handle Ad library dependency Camera metadat Foreground Service APIs for use cases Limit background activity launches C Unbundle Restrict Screen Reading Call screening Restrictions on phone, Call logs and Device identifier lockdown Location remind Remove contacts affinity Indicate location usage in the status bar TLSv3 ermissions for OEMs and carriers Strongly typed storage Hide USB serial number until app has permission Restrict access SMS receiver verification A Shadow call stack - Kernel and user space Scudo hardened Execute-only memory Security key me permissions for all apps Opportunistic location access nted Location gency Location sharing with other apps ess cricPrompt Consent for Device Admin efactor accessibility service capabilities rivacy-sensitive WiFi scanning Restrict app icon hiding Increased protection for Serial Number access ion Media Stack is updatable Conscrypt is updatable WPA3 Adiantum Key replacement for ne Encryption for entry-level devices
95. • Update non-SDK inteuace restrictions • Permissions changes for fullscreen intents • Privacy (Scope storage, Location, Background activity, Hardware identiCers) • android.preference ۄ੉࠳۞ܻ ૑ਗ ઺ױ • Suppot for foldables • CameraX, ViewPager2 • etc.. etc… Android Q Checklist
96. What’s New in Android What's New in the Android OS User Inteuace Dark Theme & Gesture Navigation Recommend Overview of Privacy Changes in Android Q ѐߊ੗ܳ ਤೠ উ٘۽੉٘ Q ੿ܻ by নଲࢳ
97. THAN YOU