<FrameLayout 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="match_parent">

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


        <!-- 包含两个ImageView的容器 -->
        <LinearLayout
                android:id="@+id/logoPos"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:gravity="center"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                android:layout_marginBottom="60dp"
                app:layout_constraintBottom_toTopOf="@+id/linearLayout">

            <ImageView
                    android:id="@+id/logo_3d"
                    android:layout_width="80dp"
                    android:layout_height="80dp"
                    android:contentDescription="@string/logo_3d_description"
                    android:src="@drawable/logo_3d" />

            <ImageView
                    android:id="@+id/appLogo"
                    android:layout_width="200dp"
                    android:layout_height="80dp"
                    android:contentDescription="@string/app_logo"
                    android:src="@drawable/logo" />

        </LinearLayout>

        <!-- 输入框和按钮 -->
        <LinearLayout
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:gravity="center"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:layout_constraintTop_toBottomOf="@id/logoPos"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintWidth_percent="0.8"
                android:id="@+id/linearLayout">

            <com.google.android.material.textfield.TextInputLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="8dp">

                <com.google.android.material.textfield.TextInputEditText
                        android:id="@+id/urlInput"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:hint="@string/enter_your_server_url"
                        android:inputType="textUri"
                        android:textColor="@color/cyan_dark_0"
                        android:textColorHint="@color/gray_dark_4"
                        android:background="@color/browser_actions_bg_grey"
                        android:textSize="14sp" />
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.button.MaterialButton
                    android:id="@+id/loadUrlButton"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="10dp"
                    android:backgroundTint="@color/gray_dark_0"
                    android:text="@string/send"
                    android:textColor="@android:color/white"
                    android:textAllCaps="false"
                    app:cornerRadius="4dp" />

        </LinearLayout>

    </androidx.constraintlayout.widget.ConstraintLayout>

</FrameLayout>
