Quelle  view_video_edit.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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"
    android:id="@+id/video_parent">

    <com.google.android.material.progressindicator.CircularProgressIndicator
        android:id="@+id/video_loading_progress_bar"
        android:indeterminate="true"
        android:layout_gravity="center"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <androidx.media3.ui.PlayerView
        android:id="@+id/video_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        app:surface_type="texture_view"
        app:controller_layout_id="@layout/exo_player_control_view_central_button_only" />

    <GridLayout
        android:id="@+id/video_timeline"
        android:layout_width="match_parent"
        android:layout_height="@dimen/video_timeline_item_size"
        android:layout_marginLeft="@dimen/video_timeline_marginLeftRight"
        android:layout_marginRight="@dimen/video_timeline_marginLeftRight"
        android:layout_marginTop="@dimen/video_timeline_marginTop"
        android:gravity="top"
        android:alignmentMode="alignBounds"
        android:rowCount="1" />

    <com.google.android.material.card.MaterialCardView
        style="@style/Threema.CardView.MediaViewerCaption"
        android:id="@+id/start_container"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="@dimen/video_timeline_marginLeftRight"
        android:layout_marginTop="60dp"
        app:contentPaddingBottom="4dp"
        app:contentPaddingLeft="8dp"
        app:contentPaddingRight="8dp"
        app:contentPaddingTop="4dp">

        <TextView
            android:id="@+id/start"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:text="0:00"
            android:textColor="@android:color/white"
            android:textSize="12dp" />

    </com.google.android.material.card.MaterialCardView>

    <com.google.android.material.card.MaterialCardView
        style="@style/Threema.CardView.MediaViewerCaption"
        android:id="@+id/size_container"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="60dp"
        android:layout_gravity="center_horizontal"
        app:contentPaddingBottom="4dp"
        app:contentPaddingLeft="8dp"
        app:contentPaddingRight="8dp"
        app:contentPaddingTop="4dp">

        <TextView
            android:id="@+id/size"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:text="0 MB"
            android:textColor="@android:color/white"
            android:textSize="12dp" />

    </com.google.android.material.card.MaterialCardView>

    <com.google.android.material.card.MaterialCardView
        style="@style/Threema.CardView.MediaViewerCaption"
        android:id="@+id/end_container"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="@dimen/video_timeline_marginLeftRight"
        android:layout_marginTop="60dp"
        android:layout_gravity="right|top"
        app:contentPaddingBottom="4dp"
        app:contentPaddingLeft="8dp"
        app:contentPaddingRight="8dp"
        app:contentPaddingTop="4dp">

        <TextView
            android:id="@+id/end"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:text="0:00"
            android:textColor="@android:color/white"
            android:textSize="12dp" />

    </com.google.android.material.card.MaterialCardView>
</FrameLayout>