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MoyuruAizawa
Moyuru Aizawa
Software engineer of CATS Div. CyberAgent Inc.
Previously at Pairs Div. Eureka Inc.
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%SPJE,BJHJDPOGFSFODFBQQ
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%SPJE,BJHJDPOGFSFODFBQQ
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‣ ࣌ࠁΛදࣔ͢ΔͨΊͷ*UFN%FDPSBUJPO
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‣ 3FDZDMFS7JFXͱ
‣ -BZPVU.BOBHFSͱ
‣ -BZPVU.BOBHFS͕͍ͬͯΔ͜ͱ
‣ 5JNFUBCMF-BZPVU.BOBHFSͷ࣮
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3FDZDMFS7JFXͱ
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‣ ଟྔͷΞΠςϜΛදࣔ͢Δͷʹదͨ͠7JFX(SPVQ
‣ ը໘ʹදࣔ͞ΕΔ͚ͩΞΠςϜΛඳը͢Δ
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‣ "EBQUFS
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-BZPVU.BOBHFSͱ
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‣ 3FDZDMFS7JFXͷDIJMEWJFXTͷϨΠΞτΛ୲͢ΔϞδϡʔϧ
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Δ
-BZPVU.BOBHFSͱ
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-BZPVU.BOBHFSͱ
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‣ ؔػೳ͕ଟ͍ͷͰ͔ͳΓେม
‣ ϨΠΞτͷෳࡶ͞Λ૿͢ཁૉ
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
‣ TNPPUI4DSPMM5P
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
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‣ PO-BZPVU$IJMESFO
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‣ PO-BZPVU$IJMESFO
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ TDSPMM5P
‣ TNPPUI4DSPMM5P
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-BZPVU.BOBHFSͷ࣮େม
ΞϓϦͷཁ݅ʹ͋ΘͤͯػೳΛݶఆ͢ΕଟগָʹͳΔ
ͦΕͰ׳Ε͍ͯͳ͚Ε݁ߏ͔͔࣌ؒΔ͔
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-BZPVU.BOBHFS͕͍ͬͯΔ͜ͱ
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‣ PO-BZPVU$IJMESFO
‣ QFSJPETͷใऩू
‣ JOJUJBMMBZPVU
‣ TDSPMM7FSUJDBMMZ#ZTDSPMM)PSJ[POUBMMZ#Z
‣ DIJMEWJFXTͷҠಈ
‣ ݟ͑ͳ͘ͳͬͨDIJMEWJFXΛSFNPWF
‣ ۭ͖εϖʔεʹDIJMEWJFXΛBEE
-BZPVU.BOBHFS͕͍ͬͯΔ͜ͱ ͬ͘͟Γ
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PO-BZPVU$IJMESFO
‣ ϨΠΞτͷॳظԽ
‣ ը໘ʹදࣔ͞ΕΔ͚ͩWJFXΛஔ
͍ͯ͘͠
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PO-BZPVU$IJMESFO
‣ ϨΠΞτͷॳظԽ
‣ ը໘ʹදࣔ͞ΕΔ͚ͩWJFXΛஔ
͍ͯ͘͠
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TDSPMM7FSUJDBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM7FSUJDBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM7FSUJDBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM7FSUJDBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM)PSJ[POUBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM)PSJ[POUBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM)PSJ[POUBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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TDSPMM)PSJ[POUBMMZ#Z
‣ WJFXΛεϥΠυͤ͞Δ
‣ ݟ͑ͳ͘ͳͬͨWJFXΛফ͢
‣ ۭ͖εϖʔεʹWJFXΛՃ͢Δ
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5JNFUBCMF-BZPVU.BOBHFSͷ࣮
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5JNFUBCMF-BZPVU.BOBHFSͷ࣮
PO-BZPVU$IJMESFO
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(0 until itemCount).forEach {
val periodInfo = periodLookUp(it)
val column = columns.getOrPut(periodInfo.columnNumber) { ArrayList() }
val period = Period(
TimeUnit.MILLISECONDS.toMinutes(periodInfo.startUnixMillis).toInt(),
TimeUnit.MILLISECONDS.toMinutes(periodInfo.endUnixMillis).toInt(),
periodInfo.columnNumber,
adapterPosition = it,
positionInColumn = column.size
)
periods.add(period)
column.add(period)
if (it == 0) {
firstStartUnixMin = period.startUnixMin
lastEndUnixMin = period.endUnixMin
} else {
firstStartUnixMin = min(period.startUnixMin, firstStartUnixMin)
lastEndUnixMin = max(period.endUnixMin, lastEndUnixMin)
}
}
֤QFSJPEͷใऩू
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(0 until itemCount).forEach {
val periodInfo = periodLookUp(it)
val column = columns.getOrPut(periodInfo.columnNumber) { ArrayList() }
val period = Period(
TimeUnit.MILLISECONDS.toMinutes(periodInfo.startUnixMillis).toInt(),
TimeUnit.MILLISECONDS.toMinutes(periodInfo.endUnixMillis).toInt(),
periodInfo.columnNumber,
adapterPosition = it,
positionInColumn = column.size
)
periods.add(period)
column.add(period)
if (it == 0) {
firstStartUnixMin = period.startUnixMin
lastEndUnixMin = period.endUnixMin
} else {
firstStartUnixMin = min(period.startUnixMin, firstStartUnixMin)
lastEndUnixMin = max(period.endUnixMin, lastEndUnixMin)
}
}
֤QFSJPEͷใऩू
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(0 until itemCount).forEach {
val periodInfo = periodLookUp(it)
val column = columns.getOrPut(periodInfo.columnNumber) { ArrayList() }
val period = Period(
TimeUnit.MILLISECONDS.toMinutes(periodInfo.startUnixMillis).toInt(),
TimeUnit.MILLISECONDS.toMinutes(periodInfo.endUnixMillis).toInt(),
periodInfo.columnNumber,
adapterPosition = it,
positionInColumn = column.size
)
periods.add(period)
column.add(period)
if (it == 0) {
firstStartUnixMin = period.startUnixMin
lastEndUnixMin = period.endUnixMin
} else {
firstStartUnixMin = min(period.startUnixMin, firstStartUnixMin)
lastEndUnixMin = max(period.endUnixMin, lastEndUnixMin)
}
}
֤QFSJPEͷใऩू
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anchor.leftColumn = 0
val columnCount = columns.size()
val offsetY = parentTop
var offsetX = parentLeft
for (columnNumber in 0 until columnCount) {
offsetX += addColumn(
columns[columnNumber].first(),
offsetX,
offsetY,
true,
recycler)
anchor.rightColumn = columnNumber
if (offsetX > parentRight) break
}
*OJUJBMMBZPVU
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val range = startPeriod.positionInColumn until column.size
for (i in range) {
val period = column[i]
val (width, height) = addPeriod(period, direction,
offsetX, offsetY, recycler)
offsetY += height
columnWidth = width
if (i == startPeriod.positionInColumn)
anchor.top.put(columnNum,
period.adapterPosition)
anchor.bottom.put(columnNum,
period.adapterPosition)
if (offsetY > parentBottom) break
}
*OJUJBMMBZPVU
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val range = startPeriod.positionInColumn until column.size
for (i in range) {
val period = column[i]
val (width, height) = addPeriod(period, direction,
offsetX, offsetY, recycler)
offsetY += height
columnWidth = width
if (i == startPeriod.positionInColumn)
anchor.top.put(columnNum,
period.adapterPosition)
anchor.bottom.put(columnNum,
period.adapterPosition)
if (offsetY > parentBottom) break
}
*OJUJBMMBZPVU
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anchor.leftColumn = 0
val columnCount = columns.size()
val offsetY = parentTop
var offsetX = parentLeft
for (columnNumber in 0 until columnCount) {
offsetX += addColumn(
columns[columnNumber].first(),
offsetX,
offsetY,
true,
recycler)
anchor.rightColumn = columnNumber
if (offsetX > parentRight) break
}
*OJUJBMMBZPVU
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5JNFUBCMF-BZPVU.BOBHFSͷ࣮
TDSPMM7FSUJDBMMZ#Z
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val bottomView = findBottomView() ?: return 0
val period =
periods.getOrNull(bottomView.adapterPosition)
?: return 0
val bottom = getDecoratedBottom(bottomView)
if (period.endUnixMin == lastEndUnixMin)
if (bottom == parentBottom) 0
else min(dy, bottom - parentBottom)
else
dy
εΫϩʔϧྔͷܭࢉ
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val bottomView = findBottomView() ?: return 0
val period =
periods.getOrNull(bottomView.adapterPosition)
?: return 0
val bottom = getDecoratedBottom(bottomView)
if (period.endUnixMin == lastEndUnixMin)
if (bottom == parentBottom) 0
else min(dy, bottom - parentBottom)
else
dy
εΫϩʔϧྔͷܭࢉ
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val bottomView = findBottomView() ?: return 0
val period =
periods.getOrNull(bottomView.adapterPosition)
?: return 0
val bottom = getDecoratedBottom(bottomView)
if (period.endUnixMin == lastEndUnixMin)
if (bottom == parentBottom) 0
else min(dy, bottom - parentBottom)
else
dy
εΫϩʔϧྔͷܭࢉ
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val bottomView = findBottomView() ?: return 0
val period =
periods.getOrNull(bottomView.adapterPosition)
?: return 0
val bottom = getDecoratedBottom(bottomView)
if (period.endUnixMin == lastEndUnixMin)
if (bottom == parentBottom) 0
else min(dy, bottom - parentBottom)
else
dy
εΫϩʔϧྔͷܭࢉ
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override fun scrollVerticallyBy(
dy: Int,
recycler: Recycler,
state: State
): Int {
if (dy == 0) return 0
val actualDy =
calculateVerticallyScrollAmount(dy)
if (actualDy == 0) return 0
offsetChildrenVertical(-actualDy)
…
}
$IJMEWJFXTͷҠಈ
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override fun scrollVerticallyBy(
dy: Int,
recycler: Recycler,
state: State
): Int {
if (dy == 0) return 0
val actualDy =
calculateVerticallyScrollAmount(dy)
if (actualDy == 0) return 0
offsetChildrenVertical(-actualDy)
…
}
$IJMEWJFXTͷҠಈ
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(anchor.leftColumn..anchor.rightColumn)
.forEach { columnNum ->
val column = columns[columnNum]
val top = periods[anchor.top[columnNum]]
val bottom = periods[anchor.bottom[columnNum]]
column.subList(
top.positionInColumn,
bottom.positionInColumn
).forEach {
val view =
findViewByPosition(it.adapterPosition)?: return
if (getDecoratedBottom(view) >= parentTop)
return
removeAndRecycleView(view, recycler)
val belowPosition = column[it.positionInColumn + 1]
.adapterPosition
anchor.top.put(columnNum, belowPosition)
}
}
ը໘͔ΒͰͨDIJMEWJFXͷআ
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(anchor.leftColumn..anchor.rightColumn)
.forEach { columnNum ->
val column = columns[columnNum]
val top = periods[anchor.top[columnNum]]
val bottom = periods[anchor.bottom[columnNum]]
column.subList(
top.positionInColumn,
bottom.positionInColumn
).forEach {
val view =
findViewByPosition(it.adapterPosition)?: return
if (getDecoratedBottom(view) >= parentTop)
return
removeAndRecycleView(view, recycler)
val belowPosition = column[it.positionInColumn + 1]
.adapterPosition
anchor.top.put(columnNum, belowPosition)
}
}
ը໘͔ΒͰͨDIJMEWJFXͷআ
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(anchor.leftColumn..anchor.rightColumn)
.forEach { columnNum ->
val column = columns[columnNum]
val top = periods[anchor.top[columnNum]]
val bottom = periods[anchor.bottom[columnNum]]
column.subList(
top.positionInColumn,
bottom.positionInColumn
).forEach {
val view =
findViewByPosition(it.adapterPosition)?: return
if (getDecoratedBottom(view) >= parentTop)
return
removeAndRecycleView(view, recycler)
val belowPosition = column[it.positionInColumn + 1]
.adapterPosition
anchor.top.put(columnNum, belowPosition)
}
}
ը໘͔ΒͰͨDIJMEWJFXͷআ
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(anchor.leftColumn..anchor.rightColumn)
.forEach { columnNum ->
val column = columns[columnNum]
val top = periods[anchor.top[columnNum]]
val bottom = periods[anchor.bottom[columnNum]]
column.subList(
top.positionInColumn,
bottom.positionInColumn
).forEach {
val view =
findViewByPosition(it.adapterPosition)?: return
if (getDecoratedBottom(view) >= parentTop)
return
removeAndRecycleView(view, recycler)
val belowPosition = column[it.positionInColumn + 1]
.adapterPosition
anchor.top.put(columnNum, belowPosition)
}
}
ը໘͔ΒͰͨDIJMEWJFXͷআ
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(anchor.leftColumn..anchor.rightColumn)
.forEach { columnNum ->
val column = columns[columnNum]
val top = periods[anchor.top[columnNum]]
val bottom = periods[anchor.bottom[columnNum]]
column.subList(
top.positionInColumn,
bottom.positionInColumn
).forEach {
val view =
findViewByPosition(it.adapterPosition)?: return
if (getDecoratedBottom(view) >= parentTop)
return
removeAndRecycleView(view, recycler)
val belowPosition = column[it.positionInColumn + 1]
.adapterPosition
anchor.top.put(columnNum, belowPosition)
}
}
ը໘͔ΒͰͨDIJMEWJFXͷআ
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anchor.bottom.forEach { columnNum, position ->
val view = findViewByPosition(position)
?: return@forEach
val bottom = getDecoratedBottom(view)
if (bottom < parentBottom) {
val left = getDecoratedLeft(view)
val period = periods.getOrNull(position)
?: return@forEach
val nextPeriod = columns.get(columnNum)
.getOrNull(period.positionInColumn + 1)
?: return@forEach
addPeriodsToColumn(nextPeriod,
left, bottom, true, recycler)
}
}
ۭ͖εϖʔεʹWJFXΛՃ
Slide 59
Slide 59 text
anchor.bottom.forEach { columnNum, position ->
val view = findViewByPosition(position)
?: return@forEach
val bottom = getDecoratedBottom(view)
if (bottom < parentBottom) {
val left = getDecoratedLeft(view)
val period = periods.getOrNull(position)
?: return@forEach
val nextPeriod = columns.get(columnNum)
.getOrNull(period.positionInColumn + 1)
?: return@forEach
addPeriodsToColumn(nextPeriod,
left, bottom, true, recycler)
}
}
ۭ͖εϖʔεʹWJFXΛՃ
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anchor.bottom.forEach { columnNum, position ->
val view = findViewByPosition(position)
?: return@forEach
val bottom = getDecoratedBottom(view)
if (bottom < parentBottom) {
val left = getDecoratedLeft(view)
val period = periods.getOrNull(position)
?: return@forEach
val nextPeriod = columns.get(columnNum)
.getOrNull(period.positionInColumn + 1)
?: return@forEach
addPeriodsToColumn(nextPeriod,
left, bottom, true, recycler)
}
}
ۭ͖εϖʔεʹWJFXΛՃ
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anchor.bottom.forEach { columnNum, position ->
val view = findViewByPosition(position)
?: return@forEach
val bottom = getDecoratedBottom(view)
if (bottom < parentBottom) {
val left = getDecoratedLeft(view)
val period = periods.getOrNull(position)
?: return@forEach
val nextPeriod = columns.get(columnNum)
.getOrNull(period.positionInColumn + 1)
?: return@forEach
addPeriodsToColumn(nextPeriod,
left, bottom, true, recycler)
}
}
ۭ͖εϖʔεʹWJFXΛՃ
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5JNFUBCMF-BZPVU.BOBHFSͷ࣮
͜Μͳײ͡ʹͻͨ͢ΒੵΈΛ͍ͯ͘͠ɻ
Slide 63
Slide 63 text
·ͱΊ
Slide 64
Slide 64 text
‣ 3FDZDMFS7JFX͍ͧ͢͝
‣ -BZPVU.BOBHFS͍ͧ͢͝
‣ -BZPVU.BOBHFSେมͩͧ
‣ ΞϓϦͷཁ݅ʹΑͬͯଟগΒͩͧ͘
·ͱΊ