Support Library 28.0.0 Alpha 1に触れてみる

by operandoOS

Slide 1

Slide 1 text

Support Library  28.0.0 Alpha 1ʹ  ৮ΕͯΈΔ Mercari Meetup for   Mobile App Engineer  in Fukuoka

Slide 2

Slide 2 text

About Me • AndroidΤϯδχΞ • ϝϧΧϦ → ι΢κ΢ → ϝϧΧϦ • ϓϩήʔϚʔ໨ࢦͯ͠·͢ʂ • Discord : operandoOS • Steam : operandoOS

Slide 3

Slide 3 text

Support Library  28.0.0 Alpha 1

Slide 4

Slide 4 text

Support Library 28.0.0 Alpha 1 https://developer.android.com/ topic/libraries/support-library/ revisions.html#28-0-0-alpha1

Slide 5

Slide 5 text

• όά΋͋Δ͠ɺAPI surfaceมΘΔ͔΋ͳͷͰʂ • Կ͕ى͖ͯ΋ͼͬ͘Γ͠ͳ͍ʂ͘Β͍ͷؾ࣋ͪͰ ࢼ͆͢ Support Library 28.0.0 Alpha 1

Slide 6

Slide 6 text

Important changes

Slide 7

Slide 7 text

androidx: Hello World! • package name͕androidxʹͳΔ • Android KTX͔Β࠾༻͞Ε࢝Ίͨ΍ͭ • ৽͍͠Support Library͔ΒͳΔ • heifwriter,recyclerview-selection

Slide 8

Slide 8 text

Split libraries “split parts of support-core-ui, support-core-utils, and   support-compat into smaller libraries”

Slide 9

Slide 9 text

Split libraries • ґଘؔ܎Λ੾Γ཭ͨ͢Ίʹখ͍͞Libraryʹ  ෼ׂ͢Δ • Google's Maven RepositoryΛݟΔͱ  Ͳͷ୯ҐͰLibrary͕͋Δͷ͔Θ͔Δ • https://dl.google.com/dl/android/maven2/ index.html

Slide 10

Slide 10 text

New APIs

Slide 11

Slide 11 text

recyclerview-selection • ৄ͘͠ॻ͍ͯ͘Εͨkgmyshin͞Μͷݟͯʂ • Support Library 28.0.0 alpha৽APIͷ recyclerview-selectionΛ࢖ͬͯΈͨ • https://inside.dmm.com/entry/ 2018/03/22/recyclerview-selection

Slide 12

Slide 12 text

HeifWriter • High Efﬁciency Image File Format • iOS͸iOS11͔Β࠾༻ͯ͠Δ • Android PͰ΋ެࣜαϙʔτ • HeifWriter͸HEIF-formatͰॻ͖ࠐΈ͕Ͱ͖Δ • Read΋Support LibraryͰग़Δ͜ͱظ଴͍ͨ͠ʂ

Slide 13

Slide 13 text

HeifWriter https://developer.android.com/reference/ androidx/heifwriter/HeifWriter.html

Slide 14

Slide 14 text

New application theme Theme.MaterialComponents

Slide 15

Slide 15 text

Theme.MaterialComponents ...

Slide 16

Slide 16 text

Theme.MaterialComponents • Theme.MaterialComponentsͷఆٛ • https://github.com/material-components/materialcomponents-android/blob/master/lib/java/android/ support/design/theme/res/values/themes.xml#L28 • Base.V14.Theme.MaterialComponentsͷఆٛ • https://github.com/material-components/materialcomponents-android/blob/master/lib/java/android/ support/design/theme/res/values/themes_base.xml#L33

Slide 17

Slide 17 text

New components • BottomAppBar • Chip • ChipGroup • MaterialButton • MaterialCardView

Slide 18

Slide 18 text

New components • ίʔυ͸Material Components for AndroidΛ ࢀর͢Δͱྑͦ͞͏ • https://github.com/material-components/ material-components-android

Slide 19

Slide 19 text

MaterialButton • rippleColorͱ͔strokeͷઃఆ͕Ͱ͖Δ • selectorͱ͔ॻ͔ͳͯ͘ྑ͘ͳΓͦ͏ͳͷͰ ૉ੖Β͍͠ʂ • 4ܥͰrippleColorͰഎܠ৭͕ృΓͭͿ͞ΕΔ bugͬΆ͍ͷ͕͋Δ

Slide 20

Slide 20 text

MaterialButton

Slide 21

Slide 21 text

MaterialButton

Slide 22

Slide 22 text

MaterialButton

Slide 23

Slide 23 text

MaterialButton

Slide 24

Slide 24 text

New components • ঺հ͠ͳ͔ͬͨComponentͷ࢖͍ํ͸ҎԼΛಡΉ ͱॻ͍ͯ͋Γ·͢ʂ • Exploring the v28 Android Design Support Library Additions • https://medium.com/google-developer- experts/exploring-the-v28-android-design- support-library-2c96c6031ae8

Slide 25

Slide 25 text

Slices

Slide 26

Slide 26 text

What are Slices? “Slices provides a framework for apps to embed templated content from other apps.”

Slide 27

Slide 27 text

What are Slices? • ͱ͋ΔղઆϒϩάͰGoogle Assistantͱ͔ʹࣗ਎ͷ ΞϓϦͷ৘ใΛPluginతʹఏڙͰ͖ΔΑ͏ʹ͢ΔAPI  ͱ͍͏Ծઆ͕ॻ͔ΕͯΔ • PluginΛఏڙ͢ΔͷʹՁ஋͕͋ΔΞϓϦ͸ࢼͯ͠  ΈΔͱ͍͍͔΋ • PluginΛ׆༻ͯ͠໘ന͍ΞϓϦΛ࡞ΕΔ͔΋

Slide 28

Slide 28 text

What are Slices? • ·ͩṖʹแ·ΕͯΔAPI • ͍ͨͩ͢͝ڵຯਂ͍ • Android P Preview 2ʹظ଴ʂ • ·ͩPreview 1ͳͷͰAPI͸όΪʔ

Slide 29

Slide 29 text

What are Slices? • ଞਓͷΞϓϦ͕ఏڙ͢ΔSliceΛࣗ਎ͷΞϓϦʹ  දࣔ͢Δ͜ͱͰɺଞਓͷΞϓϦͷUI΍ػೳ͕  ࣗ਎ͷΞϓϦͰ࢖͑Δײ • ͦͷٯ΋Ͱ͖Δ = ࣗ਎ͷΞϓϦ͕SliceΛఏڙ͢Δ • UI͸͋Δఔ౓ܾ·ͬͨܗ • Slice Provide AppͱSlice Host App

Slide 30

Slide 30 text

Slice Provide App • SliceProviderΛ࣮૷͢Δ • SliceProvider͸ContentProviderΛܧঝͨ͠΋ͷ • Format BuilderΈ͍ͨͳͷͰUI(Slice)Λ࡞Δ • SliceProvider͕Uri or IntentʹԠͨ͡SliceΛฦ͢

Slide 31

Slide 31 text

Slice Host App • SliceManagerʹUri or IntentΛ౉͠ SliceProviderͱbind͢Δ • SliceProvider͔Βฦ͖ͬͯͨSliceΛ SliceViewʹηοτ͢Δ

Slide 32

Slide 32 text

Slicesͷେ·ͳ͔ྲྀΕ

Slide 33

Slide 33 text

Slices & Permission • SliceProvider͔ΒSliceΛऔಘ͢Δʹ͸Permission͕ඞཁ • Permissionʹؔ͢ΔAPIपΓ͕·ͩṖ͍͠ɺόΪʔ • ͜Μͳײͬ͡Ά͍ʂͷཧղͰOKɻมΘΔ͔΋͠Εͳ͍͠

Slide 34

Slide 34 text

Slices & Permission • Permission͑ͪ͞ΌΜͱϢʔβ͕ঝೝ͢Ε͹  ͲͷΞϓϦͰ΋SliceProviderΛఏڙͯ͠Δ  ΞϓϦ͔ΒSliceΛऔಘͰ͖Δ • Slice Host App͕୯ҰΞϓϦ or શͯͷΞϓϦͷ SliceΛऔಘͰ͖ΔΑ͏ʹ͢Δ͔Ͳ͏͔

Slide 35

Slide 35 text

Slices & Permission

Slide 36

Slide 36 text

Slices Support Library • com.android.support:slices-builders • Slice Provide AppͷͨΊͷAPI • com.android.support:slices-view • Slice Host AppͷͨΊͷAPI • com.android.support:slices-core • Slices APIͷίΞ

Slide 37

Slide 37 text

Slice Provide Appͷ࣮૷

Slide 38

Slide 38 text

SliceProviderͷ࣮૷ • onBindSliceͰUriʹԠͨ͡SliceΛฦ͢ • Slice͸BuilderΛ࢖ͬͯ࡞Δ • ListBuilder,GridBuilderͳͲ͕͋Δ • ͋Δఔ౓ܾ·ͬͨUIͷϑΥʔϚοτͰදݱ͢Δ

Slide 39

Slide 39 text

SliceProviderͷ࣮૷ class SampleSliceProvider : SliceProvider() { private var counter = 0 override fun onCreateSliceProvider(): Boolean { return true } override fun onBindSlice(sliceUri: Uri): Slice { return when (sliceUri.path) { "/time" -> createTimeSlice(sliceUri) else -> createTimeSlice(sliceUri) } } }

Slide 40

Slide 40 text

SliceProviderͷ࣮૷ private fun createTimeSlice(uri: Uri): Slice = ListBuilder(context, uri) .apply { counter++ setHeader( ListBuilder.HeaderBuilder(this) .setTitle("What's the time now?") ) addRow( ListBuilder.RowBuilder(this) .setTitle("It is ${SimpleDateFormat(“HH:mm") .format(Calendar.getInstance().time)}”) ) addRow( ListBuilder.RowBuilder(this) .setTitle("Slice has called $counter times") ) } .build()

Slide 41

Slide 41 text

SliceProviderΛAndroidManifestʹఆٛ

Slide 42

Slide 42 text

SliceProviderΛAndroidManifestʹఆٛ • exported="true"ͯ͠ͳ͍ͱɺSliceManagerͰ bind͢Δ࣌ʹམͪΔͷͰ͚ͭͯΔ • ެ։ͨ͠ΒPermissionͱ͔ؔ܎ͳ͍ͷͰ͸ʁ  ͬͯؾ࣋ͪ • υΩϡϝϯυ͕·ͩᐆດͳͷͰbug͔΋ʁ

Slide 43

Slide 43 text

Slice Provide Appͷ࣮૷

Slide 44

Slide 44 text

ϨΠΞ΢τʹSliceViewΛ௥Ճ • SliceΛදࣔ͢ΔView • https://developer.android.com/reference/ androidx/slice/widget/SliceView.html

Slide 45

Slide 45 text

ϨΠΞ΢τʹSliceViewΛ௥Ճ

Slide 46

Slide 46 text

PermissionͷνΣοΫ + ೝՄ • ͜͜͸௕͍ͷͱɺbugͬΆ͍ͷ͕͋ΔͨΊׂѪ • ࠓޙAPIมΘΓͦ͏ͳงғؾ

Slide 47

Slide 47 text

PermissionͷνΣοΫ + ೝՄ • Slice Provide AppͷSliceProviderʹΞΫηεͰ͖Δ Α͏ʹ͢ΔͨΊʹɺ಺෦࣮૷Ͱ͸ ContextWrapper#grantUriPermissionϝιουΛ ࢖ͬͯɺผύοέʔδͰ΋ΞΫηεͰ͖ΔΑ͏ʹ  ͯ͠ΔͬΆ͍ʁ

Slide 48

Slide 48 text

Sliceͷදࣔ • SliceManagerΛ࢖༻ͯ͠UriΛ࢖ͬͯ SliceProviderΛbind͢Δ • SliceProvider͔Βฦ͖ͬͯͨSliceΛ SliceViewʹηοτ͢Δ

Slide 49

Slide 49 text

Sliceͷදࣔ val slice = sliceManager.bindSlice(sliceUri) sliceView.setSlice(slice)

Slide 50

Slide 50 text

SliceϢʔεέʔε • ঎඼ݕࡧ݁ՌΛSliceͰฦ͢ • ϝϧΧϦ • Slice Provide Appଆ • ػೳΛPlguinͱͯ͠ఏڙ͢ΔΠϝʔδ

Slide 51

Slide 51 text

SliceϢʔεέʔε • ൃݴͳͲΛτϦΨʔʹSliceΛදࣔ͢Δ • LINEɺGoogle Assistant • ϝοηʔδϯάɺΞγετ • Slice Host Appଆ

Slide 52

Slide 52 text

Android P Slice • Android PͰ͸SliceManagerService͕ଘࡏ͢Δ • ͭ·ΓɺSystem ServiceͷҰछ

Slide 53

Slide 53 text

SliceͷṖ • SliceProviderΛఏڙ͢ΔΞϓϦͷ೺Ѳ • SliceProvider͕൓Ԡ͢ΔUriͷFormatͷ೺Ѳ • ͲΜͳΞϓϦ͕ͲΜͳSliceΛఏڙͯ͠Δͷ͔  ஌Δํ๏͕ͳ͍ؾ͕͢Δ

Slide 54

Slide 54 text

SliceΛ͞Βʹਂ͘஌Δ • Android P Slices: the missing documentation — part 1 and 2 • https://blog.novoda.com/android-p-slices- missing-documentation-part-1/ • https://blog.novoda.com/android-p-slices- missing-documentation-part-2/

Slide 55

Slide 55 text

SliceΛ͞Βʹਂ͘஌Δ • Sample App • https://github.com/novoda/spikes/tree/ master/sliceanddice • https://github.com/operando/ Android_Support_Library_Sample

Slide 56

Slide 56 text

Support Library 28.0.0 Alpha 1·ͱΊ • ண࣮ʹ͍͍API͸૿͑ͯΔ • Android P Preview 2͕ग़ͨΒ·ͨΨϥοͱ มΘΓͦ͏ • ਂ͘ௐ΂Δͱ৽͍͠Կ͔͕ݟ͑ͯ͘Δʂ͔΋...

Slide 57

Slide 57 text

Thanks!!