zcash-android-wallet-zcon1/zcash-android-wallet-app/app/src/main/res/layout/fragment_send.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:id="@+id/layout_send_fragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/fragment_send_background"
    tools:context=".ui.fragment.SendFragment">

    <!--            -->
    <!-- Guidelines -->
    <!--            -->

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_content_start"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.1" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_content_end"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.9" />

    <include
        layout="@layout/include_app_bar"
        tools:ignore="MissingConstraints" />

    <View
        android:id="@+id/background_header"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="@color/zcashWhite"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/appbar"
        app:layout_constraintVertical_chainStyle="spread" />

    <TextView
        android:id="@+id/text_zec_value"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="12.82129334 ZEC Available"
        app:layout_constraintBottom_toBottomOf="@id/background_header"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/background_header" />

    <TextView
        android:id="@+id/text_amount_background"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@drawable/background_rounded_corners"
        android:backgroundTint="@color/zcashWhite_87"
        android:paddingLeft="16dp"
        android:paddingTop="16dp"
        android:text="@string/send_label_amount"
        android:textColor="@color/text_dark"
        app:layout_constraintBottom_toBottomOf="@id/input_zcash_address"
        app:layout_constraintEnd_toEndOf="@id/guideline_content_end"
        app:layout_constraintHeight_default="percent"
        app:layout_constraintHeight_percent="0.2"
        app:layout_constraintStart_toStartOf="@id/guideline_content_start"
        app:layout_constraintTop_toBottomOf="@id/background_header" />

    <!-- Currency swap symbol -->
    <ImageView
        android:id="@+id/image_swap_currency"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="28dp"
        android:tint="@color/zcashGray_light"
        android:foregroundTint="@color/colorAccent"
        android:backgroundTint="@color/zcashPrimaryMedium"
        app:layout_constraintBottom_toBottomOf="@id/text_amount_background"
        app:layout_constraintEnd_toEndOf="@id/text_amount_background"
        app:layout_constraintTop_toTopOf="@id/text_amount_background"
        app:srcCompat="@drawable/ic_import_export_black" />

    <EditText
        android:id="@+id/text_value_header"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:minWidth="12dp"
        android:text="0"
        android:inputType="numberDecimal"
        android:background="@null"
        android:textColor="@color/text_dark"
        android:textSize="@dimen/text_size_h3"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="@id/text_amount_background"
        app:layout_constraintEnd_toEndOf="@id/text_amount_background"
        app:layout_constraintStart_toStartOf="@id/text_amount_background"
        app:layout_constraintTop_toTopOf="@id/text_amount_background" />

    <TextView
        android:id="@+id/text_value_subheader"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0"
        android:textColor="@color/text_dark"
        app:layout_constraintEnd_toEndOf="@id/text_value_header"
        app:layout_constraintStart_toStartOf="@id/text_value_header"
        app:layout_constraintTop_toBottomOf="@id/text_value_header" />

    <!-- Zec symbol : header -->
    <ImageView
        android:id="@+id/image_zec_symbol_header"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:tint="@color/text_dark"
        app:layout_constraintEnd_toStartOf="@id/text_value_header"
        app:layout_constraintTop_toTopOf="@id/text_value_header"
        app:srcCompat="@drawable/ic_zec_symbol" />

    <!-- Zec symbol : subheader -->
    <ImageView
        android:id="@+id/image_zec_symbol_subheader"
        android:layout_width="8dp"
        android:layout_height="0dp"
        android:layout_marginTop="4dp"
        android:tint="@color/text_dark"
        app:layout_constraintDimensionRatio="H,1:1"
        app:layout_constraintEnd_toStartOf="@id/text_value_subheader"
        app:layout_constraintTop_toTopOf="@id/text_value_subheader"
        app:srcCompat="@drawable/ic_zec_symbol" />

    <TextView
        android:id="@+id/text_dollar_symbol_header"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:textStyle="bold"
        android:text="$"
        android:textColor="@color/text_dark"
        android:textSize="18dp"
        app:layout_constraintEnd_toStartOf="@id/image_zec_symbol_header"
        app:layout_constraintTop_toTopOf="@id/image_zec_symbol_header" />

    <TextView
        android:id="@+id/text_dollar_symbol_subheader"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="2dp"
        android:layout_marginRight="2dp"
        android:text="$"
        android:textColor="@color/text_dark"
        android:textSize="8dp"
        app:layout_constraintEnd_toStartOf="@id/image_zec_symbol_subheader"
        app:layout_constraintTop_toTopOf="@id/image_zec_symbol_subheader" />

    <EditText
        android:id="@+id/input_zcash_address"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="@id/guideline_content_start"
        app:layout_constraintEnd_toEndOf="@id/guideline_content_end"
        android:hint="@string/send_hint_input_zcash_address"
        app:layout_constraintBottom_toTopOf="@id/text_area_memo"
        app:layout_constraintTop_toBottomOf="@id/text_amount_background" />

    <!-- Scan QR code -->
    <ImageView
        android:id="@+id/image_scan_qr"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="8dp"
        android:tint="@color/zcashBlack_87"
        app:layout_constraintTop_toTopOf="@id/input_zcash_address"
        app:layout_constraintBottom_toBottomOf="@id/input_zcash_address"
        app:layout_constraintEnd_toEndOf="@id/input_zcash_address"
        app:srcCompat="@drawable/ic_qrcode_24dp" />

    <TextView
        android:id="@+id/text_to_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/send_label_to"
        app:layout_constraintStart_toStartOf="@id/input_zcash_address"
        app:layout_constraintBottom_toTopOf="@id/input_zcash_address"/>

    <EditText
        android:id="@+id/text_area_memo"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:maxLength="@integer/max_memo_length"
        android:inputType="textLongMessage"
        android:background="@drawable/background_rounded_corners"
        android:backgroundTint="@color/zcashWhite_87"
        app:layout_constraintStart_toStartOf="@id/guideline_content_start"
        app:layout_constraintEnd_toEndOf="@id/guideline_content_end"
        app:layout_constraintBottom_toTopOf="@id/button_send_zec"
        app:layout_constraintHeight_default="percent"
        app:layout_constraintHeight_percent="0.25"
        app:layout_constraintTop_toBottomOf="@id/input_zcash_address" />

    <Button
        android:id="@+id/button_send_zec"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/send_submit_button_text"
        app:layout_constraintEnd_toEndOf="@id/text_area_memo"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toBottomOf="@id/text_area_memo" />

    <View
        android:id="@+id/divider_memo"
        android:layout_width="0dp"
        android:layout_height="1dp"
        android:layout_marginBottom="40dp"
        android:background="@color/zcashGray_light"
        app:layout_constraintBottom_toBottomOf="@id/text_area_memo"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintWidth_default="percent"
        app:layout_constraintWidth_percent="0.7" />

    <TextView
        android:id="@+id/text_memo_char_count"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0 / 512"
        android:textColor="@color/zcashGray_light"
        app:layout_constraintTop_toBottomOf="@id/divider_memo"
        app:layout_constraintBottom_toBottomOf="@id/text_area_memo"
        app:layout_constraintEnd_toEndOf="@id/divider_memo" />


    <!--        -->
    <!-- Groups -->
    <!--        -->

    <androidx.constraintlayout.widget.Group
        android:id="@+id/group_zec_selected"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:constraint_referenced_ids="image_zec_symbol_header,text_dollar_symbol_subheader"/>

    <androidx.constraintlayout.widget.Group
        android:id="@+id/group_usd_selected"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:constraint_referenced_ids="image_zec_symbol_subheader,text_dollar_symbol_header"/>

</androidx.constraintlayout.widget.ConstraintLayout>