MotionLayout Basics

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1. 1.

   MotionLayout Basics Yuta Takahashi 2018/8/2(Thu) shibuya.apk #27

2. 2.

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   MotionLayout

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   ͳͲ MotionLayout
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    ࠷ॳͷঢ়ଶͷMBZPVUΛ࡞Δ
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   Ληοτ͢Δ How to create animation
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   ͜Ε͔Β࡞Δαϯϓϧ https://github.com/googlesamples/android-ConstraintLayoutExamples How to create animation

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   <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
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   <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
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   How to create animation  
   Ͱ࡞੒ͨ͠MBZPVUΛ΋ͱʹ.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
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    Ͱ࡞੒ͨ͠MBZPVUΛ΋ͱʹ.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 \ ⁞ \  
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    How to create animation  5SBOTJUJPO
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    Λఆٛ͢Δ <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
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    How to create animation  .PUJPO-BZPVU
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    <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>
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    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 BQQTIPX1BUIT
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15. 15.

    Thank you ࠓճ࢖༻ͨ͠αϯϓϧ͸ͪ͜Β͔Β: https://github.com/googlesamples/android-ConstraintLayoutExamples