simple-notes-sync/android/app/src/main/res/layout/activity_settings.xml

<?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="match_parent"
    android:orientation="vertical">

    <com.google.android.material.appbar.MaterialToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        app:title="@string/settings"
        app:navigationIcon="?attr/homeAsUpIndicator" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="16dp">

            <!-- Server Settings -->
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/server_settings"
                android:textSize="18sp"
                android:textStyle="bold"
                android:layout_marginBottom="16dp" />

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="@string/server_url"
                android:layout_marginBottom="8dp"
                style="@style/Widget.Material3.TextInputLayout.OutlinedBox">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/editTextServerUrl"
                    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="@string/username"
                android:layout_marginBottom="8dp"
                style="@style/Widget.Material3.TextInputLayout.OutlinedBox">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/editTextUsername"
                    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="@string/password"
                android:layout_marginBottom="16dp"
                style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
                app:endIconMode="password_toggle">

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

            </com.google.android.material.textfield.TextInputLayout>

            <!-- WiFi Settings -->
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/wifi_settings"
                android:textSize="18sp"
                android:textStyle="bold"
                android:layout_marginTop="16dp"
                android:layout_marginBottom="16dp" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:layout_marginBottom="8dp">

                <com.google.android.material.textfield.TextInputLayout
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:hint="@string/home_ssid"
                    android:layout_marginEnd="8dp"
                    style="@style/Widget.Material3.TextInputLayout.OutlinedBox">

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

                </com.google.android.material.textfield.TextInputLayout>

                <Button
                    android:id="@+id/buttonDetectSSID"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center_vertical"
                    android:text="Detect"
                    style="@style/Widget.Material3.Button.OutlinedButton" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:layout_marginBottom="16dp">

                <TextView
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="@string/auto_sync"
                    android:textSize="16sp"
                    android:layout_gravity="center_vertical" />

                <androidx.appcompat.widget.SwitchCompat
                    android:id="@+id/switchAutoSync"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

            </LinearLayout>

            <!-- Actions -->
            <Button
                android:id="@+id/buttonTestConnection"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/test_connection"
                android:layout_marginTop="8dp"
                style="@style/Widget.Material3.Button.OutlinedButton" />

            <Button
                android:id="@+id/buttonSyncNow"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/sync_now"
                android:layout_marginTop="8dp" />

        </LinearLayout>

    </ScrollView>

</LinearLayout>