android-kiosk-browser/app/src/main/res/layout/activity_admin.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="24dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Kiosk Browser Settings"
            android:textSize="24sp"
            android:textStyle="bold"
            android:layout_marginBottom="24dp" />

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Homepage URL"
            android:layout_marginBottom="16dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etHomepage"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="textUri" />
        </com.google.android.material.textfield.TextInputLayout>

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Allowed Domains (comma-separated)"
            android:layout_marginBottom="16dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etWhitelist"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="text" />
        </com.google.android.material.textfield.TextInputLayout>

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Idle Timeout (seconds)"
            android:layout_marginBottom="16dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etIdleTimeout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="number" />
        </com.google.android.material.textfield.TextInputLayout>

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Admin PIN"
            android:layout_marginBottom="24dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etAdminPin"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="numberPassword" />
        </com.google.android.material.textfield.TextInputLayout>

        <!-- Digital Signage Section -->
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Digital Signage"
            android:textSize="18sp"
            android:textStyle="bold"
            android:layout_marginTop="16dp"
            android:layout_marginBottom="8dp" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/switchSignage"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Enable URL Rotation"
            android:layout_marginBottom="16dp" />

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Signage URLs (one per line)"
            android:layout_marginBottom="16dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etSignageUrls"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="textMultiLine"
                android:minLines="3"
                android:gravity="top" />
        </com.google.android.material.textfield.TextInputLayout>

        <com.google.android.material.textfield.TextInputLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Rotation Interval (seconds)"
            android:layout_marginBottom="24dp">

            <com.google.android.material.textfield.TextInputEditText
                android:id="@+id/etSignageInterval"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inputType="number"
                android:text="30" />
        </com.google.android.material.textfield.TextInputLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <Button
                android:id="@+id/btnSave"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:layout_marginEnd="8dp"
                android:text="Save Settings" />

            <Button
                android:id="@+id/btnExit"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="Back to Kiosk" />
        </LinearLayout>

        <Button
            android:id="@+id/btnExitKiosk"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:backgroundTint="#D32F2F"
            android:text="Exit Kiosk Mode" />

    </LinearLayout>
</ScrollView>