First stub of the fragment to show the image in full screen

app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ImageFragment.kt

@@ -0,0 +1,52 @@
+package apps.amine.bou.readerforselfoss.fragments
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import apps.amine.bou.readerforselfoss.R
+import apps.amine.bou.readerforselfoss.api.selfoss.Item
+import kotlinx.android.synthetic.main.fragment_article.*
+import kotlinx.android.synthetic.main.fragment_article.view.*
+import retrofit2.http.Url
+
+class ImageFragment : Fragment() {
+
+    private lateinit var position: Number
+    private lateinit var allImages: ArrayList<String>
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        position = arguments!!.getInt("position")
+        allImages = arguments!!.getStringArrayList("allImages")
+
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view : View = inflater.inflate(R.layout.fragment_image, container, false)
+
+        view.webcontent.visibility = View.VISIBLE
+        view.webcontent.loadUrl(allImages[0])
+
+        return view
+    }
+
+    companion object {
+        private const val ARG_POSITION = "position"
+        private const val ARG_IMAGES = "allImages"
+
+        fun newInstance(
+                position: Int,
+                allImages: ArrayList<String>
+        ): ImageFragment {
+            val fragment = ImageFragment()
+            val args = Bundle()
+            args.putInt(ARG_POSITION, position)
+            args.putStringArrayList(ARG_IMAGES, allImages)
+            fragment.arguments = args
+            return fragment
+        }
+    }
+}

app/src/main/res/layout/fragment_image.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <WebView
+        android:id="@+id/webcontent"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>