Quelle  item_send_media.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="@dimen/send_media_item_width"
    android:layout_height="@dimen/send_media_item_width"
    android:padding="1dp">

    <ch.threema.app.ui.CheckableFrameLayout
        android:id="@+id/content_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/shape_square_background"
        android:foreground="@drawable/media_gallery_item_selector">

        <com.google.android.material.imageview.ShapeableImageView
            android:id="@+id/thumbnail_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_gravity="center_vertical"
            android:layout_margin="1dp"
            android:adjustViewBounds="false"
            android:contentDescription="@string/attach_picture"
            android:scaleType="centerCrop"
            app:shapeAppearanceOverlay="@style/Threema.ShapeAppearance.SendMedia" />

        <ImageView
            android:id="@+id/broken_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:contentDescription="@string/cannot_open_file"
            app:srcCompat="@drawable/ic_baseline_broken_image_24"
            app:tint="@android:color/white" />

    </ch.threema.app.ui.CheckableFrameLayout>

    <ImageView
        android:id="@+id/file_indicator_view"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:layout_gravity="left|top"
        android:layout_marginLeft="@dimen/send_items_grid_icon_margin"
        android:layout_marginTop="@dimen/send_items_grid_icon_margin"
        android:contentDescription="@string/send_as_files"
        android:scaleType="centerInside"
        android:visibility="invisible"
        app:srcCompat="@drawable/ic_file_filled"
        app:tint="@android:color/white" />

    <ImageView
        android:id="@+id/video_send_no_audio"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:layout_gravity="left|top"
        android:layout_marginLeft="@dimen/send_items_grid_icon_margin"
        android:layout_marginTop="@dimen/send_items_grid_icon_margin"
        android:contentDescription="@string/send_video_muted"
        android:scaleType="centerInside"
        android:visibility="invisible"
        app:srcCompat="@drawable/ic_no_audio"
        app:tint="@android:color/white" />

    <LinearLayout
        android:id="@+id/qualifier_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="left|bottom"
        android:gravity="center"
        android:importantForAccessibility="no"
        android:orientation="horizontal"
        android:paddingLeft="4dp"
        android:paddingRight="4dp"
        android:visibility="gone">

        <ImageView
            android:id="@+id/video_icon"
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:importantForAccessibility="no"
            android:paddingLeft="1dp"
            app:srcCompat="@drawable/ic_videocam_black_24dp"
            app:tint="@android:color/white" />

        <TextView
            android:id="@+id/video_duration_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="2dp"
            android:importantForAccessibility="no"
            android:textColor="@android:color/white"
            android:textSize="11sp" />

    </LinearLayout>

    <ImageView
        android:id="@+id/delete_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:padding="20dp"
        android:contentDescription="@string/delete"
        app:srcCompat="@drawable/ic_delete_outline"
        app:tint="@android:color/white" />

</FrameLayout>