<FrameLayout 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">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        tools:ignore="UselessParent">

        <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
            android:id="@+id/gradeStatisticsSubjectsContainer"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="?android:windowBackground"
            android:padding="5dp"
            android:visibility="visible"
            app:layout_constraintTop_toTopOf="parent"
            tools:ignore="UnusedAttribute"
            tools:listitem="@layout/item_attendance_summary"
            tools:visibility="visible">

            <Spinner
                android:id="@+id/gradeStatisticsSubjects"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:ellipsize="middle"
                android:paddingStart="10dp"
                android:paddingLeft="10dp"
                android:paddingTop="10dp"
                android:paddingEnd="30dp"
                android:paddingRight="30dp"
                android:paddingBottom="10dp"
                android:spinnerMode="dialog" />
        </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>

        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
            android:id="@+id/gradeStatisticsSwipe"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <com.google.android.material.progressindicator.CircularProgressIndicator
                    android:id="@+id/gradeStatisticsProgress"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:indeterminate="true"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    tools:visibility="gone" />

                <androidx.recyclerview.widget.RecyclerView
                    android:id="@+id/gradeStatisticsRecycler"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    app:layout_constraintTop_toTopOf="parent"
                    tools:listitem="@layout/item_grade_statistics_pie"
                    tools:visibility="visible" />

                <androidx.core.widget.NestedScrollView
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_marginTop="12dp"
                    android:fillViewport="true"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintTop_toBottomOf="@id/gradeStatisticsRecycler">

                    <androidx.constraintlayout.widget.ConstraintLayout
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content">

                        <LinearLayout
                            android:id="@+id/gradeStatisticsEmpty"
                            android:layout_width="match_parent"
                            android:layout_height="wrap_content"
                            android:gravity="center"
                            android:orientation="vertical"
                            android:visibility="invisible"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintTop_toTopOf="parent"
                            tools:ignore="UseCompoundDrawables"
                            tools:visibility="gone">

                            <ImageView
                                android:layout_width="100dp"
                                android:layout_height="100dp"
                                app:srcCompat="@drawable/ic_main_grade"
                                app:tint="?colorOnBackground"
                                tools:ignore="contentDescription" />

                            <TextView
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:layout_marginTop="20dp"
                                android:gravity="center"
                                android:text="@string/grade_no_items"
                                android:textSize="20sp" />
                        </LinearLayout>

                        <LinearLayout
                            android:id="@+id/gradeStatisticsError"
                            android:layout_width="match_parent"
                            android:layout_height="wrap_content"
                            android:gravity="center"
                            android:orientation="vertical"
                            android:visibility="gone"
                            app:layout_constraintBottom_toBottomOf="parent"
                            app:layout_constraintTop_toTopOf="parent"
                            tools:ignore="UseCompoundDrawables"
                            tools:visibility="gone">

                            <ImageView
                                android:layout_width="100dp"
                                android:layout_height="100dp"
                                app:srcCompat="@drawable/ic_error"
                                app:tint="?colorOnBackground"
                                tools:ignore="contentDescription" />

                            <TextView
                                android:id="@+id/gradeStatisticsErrorMessage"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:layout_marginTop="20dp"
                                android:gravity="center"
                                android:padding="8dp"
                                android:text="@string/error_unknown"
                                android:textSize="20sp" />

                            <LinearLayout
                                android:layout_width="match_parent"
                                android:layout_height="wrap_content"
                                android:layout_marginTop="16dp"
                                android:gravity="center"
                                android:orientation="horizontal">

                                <com.google.android.material.button.MaterialButton
                                    android:id="@+id/gradeStatisticsErrorDetails"
                                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
                                    android:layout_width="wrap_content"
                                    android:layout_height="wrap_content"
                                    android:layout_marginEnd="8dp"
                                    android:layout_marginRight="8dp"
                                    android:text="@string/all_details" />

                                <com.google.android.material.button.MaterialButton
                                    android:id="@+id/gradeStatisticsErrorRetry"
                                    android:layout_width="wrap_content"
                                    android:layout_height="wrap_content"
                                    android:text="@string/all_retry" />
                            </LinearLayout>
                        </LinearLayout>
                    </androidx.constraintlayout.widget.ConstraintLayout>
                </androidx.core.widget.NestedScrollView>
            </androidx.constraintlayout.widget.ConstraintLayout>
        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
    </LinearLayout>
</FrameLayout>
