Buttons now working with motion layout in android studio

Question

I made a YouTube like transition in android studio using motion layout but all the button inside that layout is not working maybe due to may on swipe method applied in activity_main_scene.xml

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.motion.widget.MotionLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layoutDescription="@xml/activity_main_scene"
    android:id="@+id/parent_layout"
    tools:context=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/my_recycler_view"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:scrollbars="vertical"
        app:layout_constraintBottom_toTopOf="@+id/constraintLayout"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.337"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:listitem="@layout/audio_list_layout">

    </androidx.recyclerview.widget.RecyclerView>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/constraintLayout"
        android:layout_width="0dp"
        android:layout_height="70dp"
        android:background="@color/colorPrimary"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <ProgressBar
        android:id="@+id/progressBar"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="0dp"
        android:layout_height="4dp"
        android:layout_centerInParent="true"
        android:orientation="horizontal"
        android:progress="90"
        app:layout_constraintEnd_toEndOf="@id/constraintLayout"
        app:layout_constraintStart_toStartOf="@id/constraintLayout"
        app:layout_constraintTop_toTopOf="@id/constraintLayout" />

    <SeekBar
        android:id="@+id/seekBar"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:visibility="invisible"
        app:layout_constraintEnd_toEndOf="@id/constraintLayout"
        app:layout_constraintStart_toStartOf="@id/constraintLayout"
        app:layout_constraintTop_toTopOf="@id/constraintLayout" />

    <TextView
        android:id="@+id/titleView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:ellipsize="marquee"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:marqueeRepeatLimit="marquee_forever"
        android:maxWidth="220dp"
        android:scrollHorizontally="true"
        android:singleLine="true"
        app:layout_constraintBottom_toBottomOf="@id/constraintLayout"
        app:layout_constraintStart_toStartOf="@id/constraintLayout"
        app:layout_constraintTop_toTopOf="@id/constraintLayout" />

    <TextView
        android:id="@+id/startTime"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp"
        android:visibility="invisible"
        android:layout_marginStart="16dp"
        android:text="@string/_00_00"
        app:layout_constraintBottom_toBottomOf="@id/seekBar"
        app:layout_constraintStart_toStartOf="@id/constraintLayout" />

    <TextView
        android:id="@+id/EndTime"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp"
        android:visibility="invisible"
        android:layout_marginEnd="16dp"
        android:text="@string/_00_00"
        app:layout_constraintBottom_toBottomOf="@id/seekBar"
        app:layout_constraintEnd_toEndOf="@id/constraintLayout" />


    <ImageButton
        android:id="@+id/close"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/selectableItemBackground"
        android:contentDescription="@string/close"
        android:padding="10dp"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="@id/constraintLayout"
        app:layout_constraintEnd_toEndOf="@id/constraintLayout"
        app:layout_constraintTop_toTopOf="@id/constraintLayout"
        app:srcCompat="@drawable/ic_white_baseline_keyboard_arrow_down_32" />

    <ImageButton
        android:id="@+id/playPause"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/selectableItemBackground"
        android:contentDescription="@string/playPause"
        android:padding="10dp"
        app:layout_constraintBottom_toBottomOf="@id/constraintLayout"
        app:layout_constraintEnd_toStartOf="@+id/next"
        app:layout_constraintTop_toTopOf="@id/constraintLayout"
        app:srcCompat="@drawable/ic_white_baseline_play_arrow_32" />

    <ImageButton
        android:id="@+id/next"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/selectableItemBackground"
        android:contentDescription="@string/next"
        android:padding="10dp"
        app:layout_constraintBottom_toBottomOf="@id/constraintLayout"
        app:layout_constraintEnd_toEndOf="@+id/constraintLayout"
        app:layout_constraintTop_toTopOf="@id/constraintLayout"
        app:srcCompat="@drawable/ic_white_baseline_skip_next_32" />

    <ImageButton
        android:id="@+id/start"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/selectableItemBackground"
        android:contentDescription="@string/previous"
        android:padding="10dp"
        app:layout_constraintBottom_toBottomOf="@id/constraintLayout"
        app:layout_constraintEnd_toStartOf="@id/playPause"
        app:layout_constraintTop_toTopOf="@id/constraintLayout"
        app:srcCompat="@drawable/ic_white_baseline_skip_previous_32" />


</androidx.constraintlayout.motion.widget.MotionLayout>

activity_main_scene.xml

<?xml version="1.0" encoding="utf-8"?>
<MotionScene 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:motion="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <Transition
        motion:constraintSetStart="@id/start"
        motion:constraintSetEnd="@id/end"
        motion:duration="400"
        motion:motionInterpolator="linear">

        <OnSwipe
            motion:maxAcceleration="800"
            motion:dragDirection="dragUp"
            motion:touchRegionId="@id/constraintLayout"
            motion:touchAnchorId="@+id/constraintLayout"
            motion:touchAnchorSide="top" />

       <KeyFrameSet>
       </KeyFrameSet>
        <OnClick motion:targetId="@+id/close" />
    </Transition>

    <ConstraintSet android:id="@+id/start">
        <Constraint
            android:id="@+id/my_recycler_view"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:scrollbars="vertical"
            motion:layout_constraintBottom_toTopOf="@+id/constraintLayout"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintHorizontal_bias="0.337"
            motion:layout_constraintStart_toStartOf="parent"
            motion:layout_constraintTop_toTopOf="parent"
            tools:listitem="@layout/audio_list_layout"
            />

        <Constraint
            android:id="@+id/constraintLayout"
            android:layout_width="0dp"
            android:layout_height="70dp"
            android:background="@color/colorPrimary"
            motion:layout_constraintBottom_toBottomOf="parent"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintStart_toStartOf="parent"
            />

        <Constraint
            android:id="@+id/progressBar"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="0dp"
            android:layout_height="4dp"
            android:layout_centerInParent="true"
            android:orientation="horizontal"
            android:progress="90"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/seekBar"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:visibility="invisible"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/startTime"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="16dp"
            android:visibility="invisible"
            android:layout_marginStart="16dp"
            android:text="@string/_00_00"
            motion:layout_constraintBottom_toBottomOf="@id/seekBar"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout" />

        <Constraint
            android:id="@+id/EndTime"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="16dp"
            android:visibility="invisible"
            android:layout_marginEnd="16dp"
            android:text="@string/_00_00"
            motion:layout_constraintBottom_toBottomOf="@id/seekBar"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout" />

        <Constraint
            android:id="@+id/titleView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:ellipsize="marquee"
            android:focusable="true"
            android:focusableInTouchMode="true"
            android:marqueeRepeatLimit="marquee_forever"
            android:maxWidth="220dp"
            android:scrollHorizontally="true"
            android:singleLine="true"
            android:textColor="#000000"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/close"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/close"
            android:visibility="invisible"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_keyboard_arrow_down_32"
            />

        <Constraint
            android:id="@+id/playPause"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/playPause"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toStartOf="@+id/next"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_play_arrow_32"
            />

        <Constraint
            android:id="@+id/next"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/next"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toEndOf="@+id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_skip_next_32"
            />

        <Constraint
            android:id="@+id/start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/previous"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toStartOf="@id/playPause"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_skip_previous_32"
            />

        

    </ConstraintSet>

    <ConstraintSet android:id="@+id/end">
        
        <Constraint
            android:id="@+id/my_recycler_view"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:scrollbars="vertical"
            motion:layout_constraintBottom_toTopOf="@+id/constraintLayout"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintStart_toStartOf="parent"
            motion:layout_constraintTop_toTopOf="parent"
            tools:listitem="@layout/audio_list_layout"
            />

        <Constraint
            android:id="@+id/constraintLayout"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:background="@color/colorPrimary"
            motion:layout_constraintBottom_toBottomOf="parent"
            motion:layout_constraintEnd_toEndOf="parent"
            motion:layout_constraintStart_toStartOf="parent"
            motion:layout_constraintTop_toTopOf="parent"
            />

        <Constraint
            android:id="@+id/progressBar"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="0dp"
            android:layout_height="4dp"
            android:layout_centerInParent="true"
            android:orientation="horizontal"
            android:progress="90"
            android:visibility="invisible"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/seekBar"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginBottom="32dp"
            motion:layout_constraintBottom_toTopOf="@+id/playPause"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/startTime"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="32dp"
            android:layout_marginStart="16dp"
            android:text="@string/_00_00"
            motion:layout_constraintBottom_toBottomOf="@id/seekBar"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout" />

        <Constraint
            android:id="@+id/EndTime"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="32dp"
            android:layout_marginEnd="16dp"
            android:text="@string/_00_00"
            motion:layout_constraintBottom_toBottomOf="@id/seekBar"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout" />

        <Constraint
            android:id="@+id/titleView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="72dp"
            android:ellipsize="marquee"
            android:focusable="true"
            android:focusableInTouchMode="true"
            android:marqueeRepeatLimit="marquee_forever"
            android:maxWidth="220dp"
            android:scrollHorizontally="true"
            android:singleLine="true"
            android:textColor="#000000"
            motion:layout_constraintBottom_toTopOf="@+id/seekBar"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            />

        <Constraint
            android:id="@+id/close"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/close"
            android:padding="10dp"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            motion:layout_constraintTop_toTopOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_keyboard_arrow_down_32"
            />

        <Constraint
            android:id="@+id/playPause"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="64dp"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/playPause"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toStartOf="@+id/next"
            motion:layout_constraintStart_toEndOf="@+id/start"
            motion:srcCompat="@drawable/ic_white_baseline_play_arrow_32"
            />

        <Constraint
            android:id="@+id/next"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="64dp"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/next"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toEndOf="@id/constraintLayout"
            motion:layout_constraintStart_toEndOf="@+id/playPause"
            motion:srcCompat="@drawable/ic_white_baseline_skip_next_32"
            />

        <Constraint
            android:id="@+id/start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="64dp"
            android:background="?attr/selectableItemBackground"
            android:contentDescription="@string/previous"
            android:padding="10dp"
            motion:layout_constraintBottom_toBottomOf="@id/constraintLayout"
            motion:layout_constraintEnd_toStartOf="@+id/playPause"
            motion:layout_constraintHorizontal_bias="0.49"
            motion:layout_constraintStart_toStartOf="@id/constraintLayout"
            motion:srcCompat="@drawable/ic_white_baseline_skip_previous_32"
            />


    </ConstraintSet>

</MotionScene>

And the rendered scene of start and end is shown below

[1

The black bar below is the one having change on and all the button are now working because of it only the motion layout works

Even buttons, seekbar don't show any animation on click just acts as being disabled because of motion layout

Answer 1

activity_main_scene.xml

(line 16)

I changed

motion:touchRegionId="@id/constraintLayout"

to

motion:touchRegionId="@id/parent_layout"

and it's now working properly