activity_register.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="#4CAF50"
    tools:context=".Register">

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="@font/aclonica"
        android:text="OTP AUTH"
        android:textColor="#FFFFFE"
        android:textSize="30sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.13" />


    <com.rilixtech.widget.countrycodepicker.CountryCodePicker
        android:id="@+id/ccp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="10dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView2"
        app:layout_constraintVertical_bias="0.26999998" />

    <EditText
        android:id="@+id/phone"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="16dp"
        android:ems="10"
        android:hint="Mobile Number"
        android:inputType="phone"
        android:textColor="#F2F1F3"
        android:textColorHint="#FFFEFE"
        android:textSize="19sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/ccp"
        app:layout_constraintVertical_bias="0.0">

    </EditText>

    <Button
        android:id="@+id/nextBtn"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:background="#009688"
        android:text="NEXT"
        android:textColor="#FFFFFF"
        android:textSize="20sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/state"
        app:layout_constraintVertical_bias="0.19" />

    <ProgressBar
        android:id="@+id/progressBar"
        style="?android:attr/progressBarStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="8dp"
        android:visibility="invisible"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/phone" />

    <TextView
        android:id="@+id/state"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="8dp"
        android:text="Sending OTP.."
        android:textColor="#FFEB3B"
        android:textSize="18sp"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="@+id/progressBar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/progressBar"
        app:layout_constraintTop_toTopOf="@+id/progressBar" />

    <EditText
        android:id="@+id/codeEnter"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="8dp"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="8dp"
        android:ems="10"
        android:hint="Enter OTP"
        android:inputType="number"
        android:textColor="#FFFFFF"
        android:textColorHighlight="#E8E9EE"
        android:textColorHint="#DEDFE6"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/phone"
        app:layout_constraintVertical_bias="0.0" />

    <TextView
        android:id="@+id/resendOtpBtn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Resend"
        android:textColor="#FFEB3B"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="@+id/codeEnter"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.92"
        app:layout_constraintStart_toEndOf="@+id/progressBar"
        app:layout_constraintTop_toTopOf="@+id/codeEnter" />

</androidx.constraintlayout.widget.ConstraintLayout>

Please provide the source code for java file

Register.java? please provide

Hi,

Please provide the code for Register.java.

Thanks,

provide the code for Register.java.