i have a problem with day and night mode becouse when i use night mode i see the menu bar and i dont see a button and when i use a day mode i dont see the menu bar but i se the button and i dont know what shoud i do (i see the add button in all modes but i dont see the retrive data button menu xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/wyloguj"
android:title="Wyloguj" />
</menu>
main xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
android:background="@color/szarytlo"
tools:context=".MainActivity">
<Button
android:id="@+id/addButton"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_marginEnd="32dp"
android:layout_marginBottom="32dp"
android:elevation="10dp"
android:insetLeft="0dp"
android:insetTop="0dp"
android:insetRight="0dp"
android:insetBottom="0dp"
android:paddingStart="4dp"
android:paddingEnd="4dp"
app:cornerRadius="30dp"
app:icon="@android:drawable/ic_input_add"
app:iconGravity="textStart"
app:iconPadding="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
tools:ignore="SpeakableTextPresentCheck" />
<Button
android:id="@+id/btnRetrieveData"
android:textColor="@color/black"
android:layout_width="226dp"
android:layout_height="115dp"
android:layout_marginTop="480dp"
android:gravity="center"
android:text="Retrieve Data"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.448"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/OsDlug"
app:layout_constraintVertical_bias="1.0" />
<ScrollView
android:id="@+id/scrollView2"
android:layout_width="245dp"
android:layout_height="66dp"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/uzytkownik"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Witaj,"
android:textColor="@android:color/black"
android:textSize="18sp" />
</ScrollView>
<TextView
android:id="@+id/dlug"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Osoby które musza oddac ci pieniadze to:"
android:textColor="@color/black"
android:textSize="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/scrollView2" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/OsDlug"
android:layout_width="match_parent"
android:layout_height="50dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/dlug" />
</androidx.constraintlayout.widget.ConstraintLayout>
themes day xml
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.NFC" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/szary</item>
<item name="colorPrimaryVariant">@color/szary</item>
<item name="colorOnPrimary">@color/white</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_700</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Status bar color. -->
<item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
<!-- Customize your theme here. -->
</style>
</resources>
themes night xml
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.NFC" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/szary</item>
<item name="colorPrimaryVariant">@color/szary</item>
<item name="colorOnPrimary">@color/black</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_200</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Status bar color. -->
<item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
<!-- Customize your theme here. -->
</style>
</resources>
Themes.xml
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.DoktaraSor" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<!-- Primary brand color. -->
<item name="colorOnPrimary">@color/white</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_700</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Customize your theme here. -->
</style>
</resources>
Themes.xml(night)
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/purple_200</item>
<item name="colorPrimaryVariant">@color/purple_700</item>
<item name="colorOnPrimary">@color/black</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_200</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Customize your theme here. -->
</style>
</resources>
Hello again, do you recognize me?. After doing this you may have to give background to all objects
it won't make any difference even if you change it day/night hopefully :D :D