Moodl/app/src/main/res/layout-v21/cardview_currency.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/mainLinear"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:clickable="false"
    android:orientation="vertical"
    android:tag="mainLinear">

    <ProgressBar
        android:id="@+id/currencyPortfolioDominance"
        android:layout_width="match_parent"
        android:layout_height="2dp"
        style="@style/Widget.AppCompat.ProgressBar.Horizontal"
        android:visibility="invisible"/>

    <LinearLayout
        android:id="@+id/currencyInfoLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:orientation="vertical">

        <LinearLayout
            android:id="@+id/topLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/currencyIcon"
                android:layout_width="@dimen/currency_icon_cardview_size"
                android:layout_height="@dimen/currency_icon_cardview_size"
                android:layout_margin="1dp" />

            <TextView
                android:id="@+id/currencyNameTextView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:gravity="start"
                android:textColor="@color/mainTextViewColor"
                android:textSize="@dimen/cardViewTitle" />

            <TextView
                android:id="@+id/currencySymbolTextView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="2dp"
                android:gravity="left"
                android:textColor="@color/secondaryTextViewColor"
                android:textSize="@dimen/cardViewCaption" />

            <TextView
                android:id="@+id/currencyValueTextView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="right"
                android:textColor="@color/secondaryTextViewColor"
                android:textSize="@dimen/cardViewTitle" />

        </LinearLayout>

        <LinearLayout
            android:id="@+id/bottomLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/percentageOwnedTextView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="start"
                android:textColor="@color/secondaryTextViewColor"
                android:textSize="@dimen/cardViewTitle"
                android:visibility="gone"/>

            <LinearLayout
                android:id="@+id/currencyOwnedInfoLayout"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <TextView
                    android:id="@+id/currencyOwnedTextView"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:gravity="start"
                    android:textColor="@color/mainTextViewColor"
                    android:textSize="@dimen/cardViewTitle" />

                <TextView
                    android:id="@+id/currencyValueOwnedTextView"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="2dp"
                    android:gravity="start"
                    android:textColor="@color/secondaryTextViewColor"
                    android:textSize="@dimen/cardViewCaption" />

            </LinearLayout>

            <LinearLayout
                android:id="@+id/secondaryLayout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="end"
                android:orientation="horizontal">

                <TextView
                    android:id="@+id/currencyFluctuationPercentageTextView"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="@dimen/cardViewTitle" />

                <TextView
                    android:id="@+id/currencyFluctuationTextView"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="@dimen/cardViewCaption" />

            </LinearLayout>

        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:id="@+id/collapsableLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="gone"
        android:orientation="vertical">

        <LinearLayout
            android:id="@+id/separationLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="5dp">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/day_history"
                android:textSize="@dimen/cardViewCaption" />

            <View
                android:layout_width="match_parent"
                android:layout_height="@dimen/separationLineSize"
                android:layout_gravity="center_vertical"
                android:layout_marginStart="10dp"
                android:layout_marginEnd="10dp"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"
                android:background="@color/separationColor" />

        </LinearLayout>

        <FrameLayout
            android:id="@+id/frameLayoutChart"
            android:layout_width="match_parent"
            android:layout_height="@dimen/cardViewChartSize"
            android:clickable="true"
            android:focusable="true">

            <ProgressBar
                android:id="@+id/progressBarLinechartSummary"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:clickable="false"
                android:focusable="false"
                android:visibility="visible"/>

            <FrameLayout
                android:id="@+id/linearLayoutSubCharts"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:clickable="true"
                android:focusable="true"
                android:visibility="gone">

                <com.github.mikephil.charting.charts.LineChart
                    android:id="@+id/LineChartView"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:transitionName="chart"/>

                <ImageView
                    android:id="@+id/detailsArrow"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:src="@drawable/ic_keyboard_arrow_right_grey_48dp"
                    android:layout_gravity="center_vertical|end"/>

            </FrameLayout>

        </FrameLayout>

    </LinearLayout>

</LinearLayout>