Use nicer animation when sliding up player (#6301)

3 files changed, 11 insertions, 9 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
index f30c3d456..6b2267926 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
@@ -209,10 +209,7 @@ public class MainActivity extends CastEnabledActivity {
                 audioPlayer.scrollToPage(AudioPlayerFragment.POS_COVER);
             }
 
-            float condensedSlideOffset = Math.max(0.0f, Math.min(0.2f, slideOffset - 0.2f)) / 0.2f;
-            audioPlayer.getExternalPlayerHolder().setAlpha(1 - condensedSlideOffset);
-            audioPlayer.getExternalPlayerHolder().setVisibility(
-                    condensedSlideOffset > 0.99f ? View.GONE : View.VISIBLE);
+            audioPlayer.fadePlayerToToolbar(slideOffset);
         }
     };
 
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
index 530d87e7f..e93db2d2a 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
@@ -183,10 +183,6 @@ public class AudioPlayerFragment extends Fragment implements
         sbPosition.setDividerPos(dividerPos);
     }
 
-    public View getExternalPlayerHolder() {
-        return getView().findViewById(R.id.playerFragment);
-    }
-
     private void setupControlButtons() {
         butRev.setOnClickListener(v -> {
             if (controller != null) {
@@ -528,6 +524,16 @@ public class AudioPlayerFragment extends Fragment implements
         return false;
     }
 
+    public void fadePlayerToToolbar(float slideOffset) {
+        float playerFadeProgress = Math.max(0.0f, Math.min(0.2f, slideOffset - 0.2f)) / 0.2f;
+        View player = getView().findViewById(R.id.playerFragment);
+        player.setAlpha(1 - playerFadeProgress);
+        player.setVisibility(playerFadeProgress > 0.99f ? View.GONE : View.VISIBLE);
+        float toolbarFadeProgress = Math.max(0.0f, Math.min(0.2f, slideOffset - 0.6f)) / 0.2f;
+        toolbar.setAlpha(toolbarFadeProgress);
+        toolbar.setVisibility(toolbarFadeProgress < 0.01f ? View.INVISIBLE : View.VISIBLE);
+    }
+
     private static class AudioPlayerPagerAdapter extends FragmentStateAdapter {
         private static final String TAG = "AudioPlayerPagerAdapter";
 
diff --git a/app/src/main/res/layout/audioplayer_fragment.xml b/app/src/main/res/layout/audioplayer_fragment.xml
index 78d2a9a49..496875a5f 100644
--- a/app/src/main/res/layout/audioplayer_fragment.xml
+++ b/app/src/main/res/layout/audioplayer_fragment.xml
@@ -13,7 +13,6 @@
         android:layout_gravity="top"
         android:elevation="8dp"
         android:outlineProvider="none"
-        android:paddingBottom="1dp"
         tools:layout_height="@dimen/external_player_height" />
 
     <RelativeLayout