Replace Resume FAB reveal animation with container transform (#6250)

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -1,8 +1,7 @@
 package eu.kanade.tachiyomi.ui.manga
 
-import android.animation.Animator
-import android.animation.AnimatorListenerAdapter
 import android.app.Activity
+import android.app.ActivityOptions
 import android.content.Context
 import android.content.Intent
 import android.graphics.Bitmap
@@ -90,7 +89,6 @@ import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.logcat
 import eu.kanade.tachiyomi.util.system.toShareIntent
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.getCoordinates
 import eu.kanade.tachiyomi.util.view.shrinkOnScroll
 import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.widget.materialdialogs.QuadStateTextView
@@ -369,18 +367,7 @@ class MangaController :
         fab.setOnClickListener {
             val item = presenter.getNextUnreadChapter()
             if (item != null) {
-                // Get coordinates and start animation
-                actionFab?.getCoordinates()?.let { coordinates ->
-                    binding.revealView.showRevealEffect(
-                        coordinates.x,
-                        coordinates.y,
-                        object : AnimatorListenerAdapter() {
-                            override fun onAnimationStart(animation: Animator?) {
-                                openChapter(item.chapter, true)
-                            }
-                        }
-                    )
-                }
+                openChapter(item.chapter, it)
             }
         }
     }
@@ -413,20 +400,6 @@ class MangaController :
         super.onDestroyView(view)
     }
 
-    override fun onActivityResumed(activity: Activity) {
-        if (view == null) return
-
-        // Check if animation view is visible
-        if (binding.revealView.isVisible) {
-            // Show the unreveal effect
-            actionFab?.getCoordinates()?.let { coordinates ->
-                binding.revealView.hideRevealEffect(coordinates.x, coordinates.y, 1920)
-            }
-        }
-
-        super.onActivityResumed(activity)
-    }
-
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         inflater.inflate(R.menu.manga, menu)
     }
@@ -914,13 +887,21 @@ class MangaController :
         }
     }
 
-    fun openChapter(chapter: Chapter, hasAnimation: Boolean = false) {
+    private fun openChapter(chapter: Chapter, sharedElement: View? = null) {
         val activity = activity ?: return
         val intent = ReaderActivity.newIntent(activity, presenter.manga, chapter)
-        if (hasAnimation) {
-            intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION)
+        activity.apply {
+            if (sharedElement != null) {
+                val activityOptions = ActivityOptions.makeSceneTransitionAnimation(
+                    activity,
+                    sharedElement,
+                    ReaderActivity.SHARED_ELEMENT_NAME
+                )
+                startActivity(intent, activityOptions.toBundle())
+            } else {
+                startActivity(intent)
+            }
         }
-        startActivity(intent)
     }
 
     override fun onItemClick(view: View?, position: Int): Boolean {