Update spacing

pdfview/src/main/java/lee/module/pdfview/pdf/PdfView.kt

@@ -5,14 +5,20 @@ import android.graphics.pdf.PdfRenderer
 import android.net.Uri
 import android.util.AttributeSet
 import android.widget.Toast
+import androidx.core.content.ContextCompat
+import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.RecyclerView
+import lee.module.pdfview.R
 
 class PdfView @JvmOverloads constructor(
     context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
 ) : RecyclerView(context, attrs, defStyleAttr) {
 
     init {
         layoutManager = PreloadLayoutManager(context)
+        addItemDecoration(DividerItemDecoration(context, VERTICAL).apply {
+            setDrawable(ContextCompat.getDrawable(context, R.drawable.pv_divider_vertical_16)!!)
+        })
     }
 
     fun setPdfRenderer(renderer: PdfRenderer) {

pdfview/src/main/res/drawable/pv_divider_vertical_16.xml

@@ -0,0 +1,5 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <size android:height="16dp" />
+    <solid android:color="@android:color/transparent" />
+</shape>

pdfview/src/main/res/layout/activity_pv_pdf_view.xml

@@ -5,5 +5,5 @@
     android:layout_height="match_parent"
     android:background="@android:color/darker_gray"
     android:clipToPadding="false"
-    android:paddingTop="8dp"
-    android:paddingBottom="8dp" />
+    android:paddingTop="16dp"
+    android:paddingBottom="16dp" />

pdfview/src/main/res/layout/pv_pdf_item.xml

@@ -1,20 +1,8 @@
 <?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"
+<lee.module.pdfview.pdf.photoview.PhotoView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/ivContent"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <lee.module.pdfview.pdf.photoview.PhotoView
-        android:id="@+id/ivContent"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_gravity="center"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="8dp"
-        android:background="@android:color/white"
-        android:minHeight="100dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
+    android:layout_height="match_parent"
+    android:layout_gravity="center"
+    android:background="@android:color/white"
+    android:minHeight="100dp" />