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MotionLayout Basics
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Yuta Takahashi
August 02, 2018
Programming
3
850
MotionLayout Basics
shibuya.apk #27 で使用した MotionLayout に関する発表の資料です
Yuta Takahashi
August 02, 2018
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Transcript
MotionLayout Basics Yuta Takahashi 2018/8/2(Thu) shibuya.apk #27
About Me ∁ڮ༎ଠ "OESPJE&OHJOFFSBU$ZCFS"HFOU *OD '3&4)-*7&ͱ͍͏ੜ์ૹ৴αʔϏεΛ࡞͍ͬͯ·͢ 5XJUUFS!ZU@IJ[J (JU)VC!ZUULIT
MotionLayout
w ̎ͭͷϨΠΞτͷঢ়ଶΛΞχϝʔγϣϯͤ͞ͳ͕Β มԽͤ͞Δ͜ͱ͕Ͱ͖ΔϨΠΞτ w $POTUSBJOU-BZPVUBMQIBͰՃ͞Εͨ w ͰTUBCMFʹͳΔ༧ఆ Կ͕৽͍͠ͷ͔ w $VTUPN"UUSJCVUFΛࢦఆͰ͖Δ
w Ϣʔβͷૢ࡞ʹԠͯ͡ঢ়ଶΛมԽͤ͞Δ͜ͱ͕Ͱ͖ΔͳͲ MotionLayout
࠷ॳͷঢ়ଶͷMBZPVUΛ࡞Δ ࠷ޙͷঢ়ଶͷMBZPVUΛ࡞Δ Ͱ࡞ͨ͠MBZPVUΛͱʹ.PUJPO4DFOFΛ࡞Δ 5SBOTJUJPOͱ0O4XJQFΛఆٛ͢Δ
.PUJPO-BZPVUʹ.PUJPO4DFOFΛηοτ͢Δ How to create animation
͜Ε͔Β࡞Δαϯϓϧ https://github.com/googlesamples/android-ConstraintLayoutExamples How to create animation
<View android:id="@+id/button" android:layout_width="64dp" android:layout_height="64dp" android:layout_marginStart="8dp" android:background="@color/colorAccent" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />
࠷ॳͷঢ়ଶͷMBZPVUΛ࡞Δ How to create animation
<View android:id="@+id/button" android:layout_width="64dp" android:layout_height="64dp" android:layout_marginEnd="8dp" android:background="@color/colorAccent" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintTop_toTopOf="parent" />
࠷ޙͷঢ়ଶͷMBZPVUΛ࡞Δ How to create animation
How to create animation Ͱ࡞ͨ͠MBZPVUΛͱʹ.PUJPO4DFOFΛͭ͘Δ <MotionScene xmlns:android="http://schemas.android.com/apk/res/android" xmlns:motion="http://schemas.android.com/apk/res-auto">
<ConstraintSet android:id="@+id/start"> <Constraint android:id="@id/button" android:layout_width="64dp" android:layout_height="64dp" android:layout_marginStart="8dp" motion:layout_constraintBottom_toBottomOf="parent" motion:layout_constraintStart_toStartOf="parent" motion:layout_constraintTop_toTopOf="parent" /> </ConstraintSet> <ConstraintSet android:id="@+id/end"> <Constraint android:id="@id/button" android:layout_width="64dp" android:layout_height="64dp" android:layout_marginEnd="8dp" motion:layout_constraintBottom_toBottomOf="parent" motion:layout_constraintEnd_toEndOf="parent" motion:layout_constraintTop_toTopOf="parent" /> </ConstraintSet> </MotionScene> How to create animation https://developer.android.com/reference/android/support/constraint/motion/MotionLayout
Ͱ࡞ͨ͠MBZPVUΛͱʹ.PUJPO4DFOFΛͭ͘Δ <MotionScene xmlns:android="http://schemas.android.com/apk/res/android" xmlns:motion="http://schemas.android.com/apk/res-auto"> <ConstraintSet android:id="@+id/start"> <Constraint android:id="@id/button"
android:layout_width="64dp" android:layout_height="64dp" android:layout_marginStart="8dp" motion:layout_constraintBottom_toBottomOf="parent" motion:layout_constraintStart_toStartOf="parent" motion:layout_constraintTop_toTopOf="parent" /> </ConstraintSet> <ConstraintSet android:id="@+id/end"> <Constraint android:id="@id/button" android:layout_width="64dp" android:layout_height="64dp" android:layout_marginEnd="8dp" motion:layout_constraintBottom_toBottomOf="parent" motion:layout_constraintEnd_toEndOf="parent" motion:layout_constraintTop_toTopOf="parent" /> </ConstraintSet> </MotionScene> https://developer.android.com/reference/android/support/constraint/motion/MotionLayout How to create animation \ ⁞ \
How to create animation 5SBOTJUJPOͱ0O4XJQFΛఆٛ͢Δ <MotionScene xmlns:android="http://schemas.android.com/apk/res/android" xmlns:motion="http://schemas.android.com/apk/res-auto"> <Transition
motion:constraintSetEnd="@+id/end" motion:constraintSetStart="@+id/start" motion:duration="1000"> <OnSwipe motion:dragDirection="dragRight" motion:touchAnchorId="@id/button" motion:touchAnchorSide="right" /> </Transition> <!— 3Ͱ࡞ͬͨ ConstraintSet ͳͲͷఆ͕ٛԼʹଓ͘ —> How to create animation
How to create animation .PUJPO-BZPVUʹ.PUJPO4DFOFΛηοτ͢Δ How to create animation
<android.support.constraint.motion.MotionLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" app:layoutDescription="@xml/scene"> <View android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/colorAccent"/> </android.support.constraint.motion.MotionLayout>
How to debug animation <android.support.constraint.motion.MotionLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" app:layoutDescription="@xml/scene_01"
app:showPaths="true"> Debug animation BQQTIPX1BUITͰΞχϝʔγϣϯͷύεΛ දࣔͰ͖Δ
w .PUJPO-BZPVU ͜ͷঢ়ଶ͔Β͜͏͍͏ঢ়ଶʹͳͬͯ ΄͍͠ʜͱ͍͏ͷΛΑ͠ͳʹ͑ͯ͘ΕΔ w ࣗͰΔ͜ͱ͕গͳָͯ͘ͳͿΜɺࡉ͔͍ௐ͍͠ w BMQIBͳͷͰવͳ͕Βෆ۩߹ଟ͍࣮ϓϩμΫτͰ ͓͏ͱ͢Δͱ΄΅࣮֬ʹཕΛ౿Ήͱ͍͍͍ͬͯ͘Β͍ w
.PUJPO&EJUPS͕͋Εͬͱָͦ͏ CFUBPSTUBCMFҎ߱ Impressions
Thank you ࠓճ༻ͨ͠αϯϓϧͪ͜Β͔Β: https://github.com/googlesamples/android-ConstraintLayoutExamples