<?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"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/white"
    android:orientation="vertical">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/bg_solid_layout_blue_10">

        <ImageView
            android:id="@+id/closeView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_margin="@dimen/dp_10"
            android:src="@drawable/ic_error" />

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="230dp"
            android:layout_height="230dp"
            android:layout_centerInParent="true"
            android:layout_marginStart="@dimen/dp_10"
            android:layout_marginTop="@dimen/dp_10"
            android:layout_marginEnd="@dimen/dp_10"
            android:layout_marginBottom="@dimen/dp_10"
            android:background="@drawable/bg_solid_layout_dark_blue_10">

            <ImageButton
                android:id="@+id/leftButton"
                android:layout_width="@dimen/dp_50"
                android:layout_height="@dimen/dp_50"
                android:layout_margin="@dimen/dp_5"
                android:background="@drawable/selector_direction_button"
                android:rotation="-90"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageButton
                android:id="@+id/topButton"
                android:layout_width="@dimen/dp_50"
                android:layout_height="@dimen/dp_50"
                android:layout_margin="@dimen/dp_5"
                android:background="@drawable/selector_direction_button"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageButton
                android:id="@+id/rightButton"
                android:layout_width="@dimen/dp_50"
                android:layout_height="@dimen/dp_50"
                android:layout_margin="@dimen/dp_5"
                android:background="@drawable/selector_direction_button"
                android:rotation="90"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageButton
                android:id="@+id/bottomButton"
                android:layout_width="@dimen/dp_50"
                android:layout_height="@dimen/dp_50"
                android:layout_margin="@dimen/dp_5"
                android:background="@drawable/selector_direction_button"
                android:rotation="180"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent" />
        </androidx.constraintlayout.widget.ConstraintLayout>
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_marginVertical="@dimen/dp_10"
        android:layout_weight="1"
        android:background="@drawable/bg_solid_layout_blue_10">

        <ImageButton
            android:id="@+id/upScaleButton"
            android:layout_width="@dimen/dp_45"
            android:layout_height="@dimen/dp_45"
            android:layout_marginStart="@dimen/dp_5"
            android:layout_marginTop="@dimen/dp_5"
            android:layout_marginEnd="@dimen/dp_5"
            android:layout_marginBottom="@dimen/dp_5"
            android:background="@drawable/selector_scale_button"
            android:src="@drawable/ic_plus" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="焦距"
            android:textColor="@color/mainThemeColor"
            android:textSize="@dimen/sp_16" />

        <ImageButton
            android:id="@+id/downScaleButton"
            android:layout_width="@dimen/dp_45"
            android:layout_height="@dimen/dp_45"
            android:layout_alignParentEnd="true"
            android:layout_marginStart="@dimen/dp_5"
            android:layout_marginTop="@dimen/dp_5"
            android:layout_marginEnd="@dimen/dp_5"
            android:layout_marginBottom="@dimen/dp_5"
            android:background="@drawable/selector_scale_button"
            android:src="@drawable/ic_minus" />
    </RelativeLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="@drawable/bg_solid_layout_blue_10">

        <ImageButton
            android:id="@+id/accelerateButton"
            android:layout_width="@dimen/dp_45"
            android:layout_height="@dimen/dp_45"
            android:layout_margin="@dimen/dp_5"
            android:background="@drawable/selector_scale_button"
            android:src="@drawable/ic_plus" />

        <TextView
            android:id="@+id/currentSpeedView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="速度：1"
            android:textColor="@color/mainThemeColor"
            android:textSize="@dimen/sp_16" />

        <ImageButton
            android:id="@+id/decelerationButton"
            android:layout_width="@dimen/dp_45"
            android:layout_height="@dimen/dp_45"
            android:layout_alignParentEnd="true"
            android:layout_marginStart="@dimen/dp_5"
            android:layout_marginTop="@dimen/dp_5"
            android:layout_marginEnd="@dimen/dp_5"
            android:layout_marginBottom="@dimen/dp_5"
            android:background="@drawable/selector_scale_button"
            android:src="@drawable/ic_minus" />
    </RelativeLayout>
</LinearLayout>