[Feature] View poster image on fullscreen, when its clicked or tapped. (#824)

* View poster image on fullscreen, when its clicked or tapped.

* fix missing string

* inflate dialog from context

* changed inflation to alertdialog custom dialog

* [skip ci] remove unused imports

* various changes

* additional change

* xml changes

* Update ResultFragment.kt

Co-authored-by: Osten <11805592+LagradOst@users.noreply.github.com>

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragment.kt

@@ -17,11 +17,13 @@ import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
 import android.view.ViewGroup
+import android.widget.ImageView
 import android.widget.TextView
 import android.widget.Toast
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.FileProvider
+import androidx.core.graphics.drawable.toBitmap
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.widget.NestedScrollView
@@ -1358,9 +1360,32 @@ class ResultFragment : Fragment(), PanelsChildGestureRegionObserver.GestureRegio
 
                         result_meta_site?.text = d.apiName
 
-                        if (!d.posterUrl.isNullOrEmpty()) {
+                        val posterImageLink = d.posterUrl
-                            result_poster?.setImage(d.posterUrl)
+                        if (!posterImageLink.isNullOrEmpty()) {
-                            result_poster_blur?.setImageBlur(d.posterUrl, 10, 3)
+                            result_poster?.setImage(posterImageLink)
+                            result_poster_blur?.setImageBlur(posterImageLink, 10, 3)
+                            //Full screen view of Poster image
+                            result_poster_holder?.setOnClickListener {
+                                try {
+                                    context?.let { ctx ->
+                                        val bitmap = result_poster.drawable.toBitmap()
+                                        val sourceBuilder = AlertDialog.Builder(ctx)
+                                        sourceBuilder.setView(R.layout.result_poster)
+
+                                        val sourceDialog = sourceBuilder.create()
+                                        sourceDialog.show()
+
+                                        sourceDialog.findViewById<ImageView?>(R.id.imgPoster)?.apply {
+                                            setImageBitmap(bitmap)
+                                            setOnClickListener {
+                                                sourceDialog.dismissSafe()
+                                            }
+                                        }
+                                    }
+                                } catch (e: Exception) {
+                                    logError(e)
+                                }
+                            }
                         } else {
                             result_poster?.setImageResource(R.drawable.default_cover)
                             result_poster_blur?.setImageResource(R.drawable.default_cover)
@@ -1681,4 +1706,4 @@ class ResultFragment : Fragment(), PanelsChildGestureRegionObserver.GestureRegio
     override fun onGestureRegionsUpdate(gestureRegions: List<Rect>) {
         result_overlapping_panels?.setChildGestureRegions(gestureRegions)
     }
-}
+}

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

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:background="?attr/primaryBlackBackground" >
+    <ImageView
+        android:id="@+id/imgPoster"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:scaleType="fitCenter"
+        android:adjustViewBounds="true"
+        android:src="@drawable/default_cover"
+        android:background="#fffff0"
+        android:contentDescription="@string/poster_image"
+        />
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -429,4 +429,5 @@
     <string name="actor_background">Background</string>
 
     <string name="home_source">Source</string>
+    <string name="poster_image">Poster Image</string>
 </resources>