app/src/main/res/layout/activity_calculator.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end"
android:gravity="center_vertical">
<ImageView
android:id="@+id/image_star"
android:layout_width="16dp"
android:layout_height="16dp"
android:contentDescription="@null"
android:visibility="gone"
app:srcCompat="@drawable/ic_star"
tools:visibility="visible" />
<ImageView
android:id="@+id/image_flag"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginEnd="@dimen/padding_normal"
android:layout_marginLeft="@dimen/padding_normal"
android:layout_marginRight="@dimen/padding_normal"
android:layout_marginStart="@dimen/padding_normal"
android:contentDescription="@null"
tools:src="@drawable/flag_us" />
</LinearLayout>
</android.support.v7.widget.Toolbar>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/padding_normal"
android:clipToPadding="false"
android:orientation="vertical"
android:padding="@dimen/padding_normal"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v7.widget.CardView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:cardCornerRadius="2dp"
app:cardElevation="2dp"
app:cardPreventCornerOverlap="false"
app:cardUseCompatPadding="false">
<RadioGroup
android:id="@+id/group_crypto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/radio_bitcoin"
style="@style/ToggleButton"
android:checked="true"
android:text="@string/calc_bitcoin" />
<RadioButton
android:id="@+id/radio_ethereum"
style="@style/ToggleButton"
android:text="@string/calc_ethereum" />
</RadioGroup>
</android.support.v7.widget.CardView>
<EditText
android:id="@+id/edit_crypto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:enabled="false"
android:gravity="end"
android:imeOptions="flagNoExtractUi"
android:inputType="numberDecimal"
android:text="1"
android:textAppearance="@style/TextAppearance.AppCompat.Display1" />
<android.support.v4.widget.Space
android:layout_width="0dp"
android:layout_height="32dp" />
<TextView
android:id="@+id/text_currency"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="@style/TextAppearance.AppCompat.Title"
tools:text="USD, US Dollar" />
<EditText
android:id="@+id/edit_currency"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:enabled="false"
android:gravity="end"
android:imeOptions="flagNoExtractUi"
android:inputType="numberDecimal"
android:textAppearance="@style/TextAppearance.AppCompat.Display1" />
</LinearLayout>
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="@dimen/padding_normal">
<HorizontalScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:padding="@dimen/padding_small"
android:scrollbarSize="@dimen/padding_small">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="horizontal">
<android.support.v7.widget.CardView
android:id="@+id/spark_btc_container"
android:layout_width="300dp"
android:layout_height="match_parent"
android:layout_margin="@dimen/padding_small"
android:visibility="gone"
app:cardBackgroundColor="?cardColor"
app:cardPreventCornerOverlap="false"
app:cardUseCompatPadding="false"
app:contentPadding="@dimen/padding_small"
tools:visibility="visible">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="@+id/text_btc_fluctuation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginBottom="@dimen/padding_small"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
tools:text="Bitcoin, 10 days" />
<com.robinhood.spark.SparkView
android:id="@+id/spark_btc"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:spark_animateChanges="true"
app:spark_lineColor="?colorAccent" />
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
android:id="@+id/spark_eth_container"
android:layout_width="300dp"
android:layout_height="match_parent"
android:layout_margin="@dimen/padding_small"
android:visibility="gone"
app:cardBackgroundColor="?cardColor"
app:cardPreventCornerOverlap="false"
app:cardUseCompatPadding="false"
app:contentPadding="@dimen/padding_small"
tools:visibility="visible">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="@+id/text_eth_fluctuation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginBottom="@dimen/padding_small"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
tools:text="Ethereum, 10 days" />
<com.robinhood.spark.SparkView
android:id="@+id/spark_eth"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="@dimen/padding_small"
app:spark_animateChanges="true"
app:spark_lineColor="?colorAccent" />
</LinearLayout>
</android.support.v7.widget.CardView>
</LinearLayout>
</HorizontalScrollView>
<me.zhanghai.android.materialprogressbar.MaterialProgressBar
android:id="@+id/progress_bar"
style="@style/Widget.MaterialProgressBar.ProgressBar.Horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:indeterminate="true"
android:visibility="gone"
app:mpb_progressStyle="horizontal"
tools:visibility="visible" />
</FrameLayout>
</LinearLayout>