BisaUMKM/app/src/main/res/layout/dialog_image_viewer.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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/black">

    <!-- Header with title and close button -->
    <LinearLayout
        android:id="@+id/header_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="16dp"
        android:gravity="center_vertical"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent">

        <TextView
            android:id="@+id/tv_title"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Bukti Pembayaran"
            android:textColor="@android:color/white"
            android:textSize="18sp"
            android:textStyle="bold" />

        <ImageButton
            android:id="@+id/btn_close"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:src="@drawable/ic_close"
            android:contentDescription="Close"
            app:tint="@android:color/white" />

    </LinearLayout>

    <!-- Progress bar for loading -->
    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent" />

    <!-- Main image view -->
    <ImageView
        android:id="@+id/iv_payment_evidence"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_margin="16dp"
        android:scaleType="centerInside"
        android:contentDescription="Payment Evidence"
        app:layout_constraintTop_toBottomOf="@+id/header_layout"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>