diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/BaseStatusListFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/BaseStatusListFragment.java index 00e577c4c..9ebc561bd 100644 --- a/mastodon/src/main/java/org/joinmastodon/android/fragments/BaseStatusListFragment.java +++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/BaseStatusListFragment.java @@ -13,9 +13,12 @@ import android.text.Layout; import android.text.StaticLayout; import android.text.TextPaint; import android.text.TextUtils; +import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.view.WindowInsets; +import android.view.animation.TranslateAnimation; +import android.widget.ImageButton; import android.widget.Toolbar; import org.joinmastodon.android.E; @@ -71,6 +74,8 @@ public abstract class BaseStatusListFragment exten protected DisplayItemsAdapter adapter; protected String accountID; protected PhotoViewer currentPhotoViewer; + protected ImageButton fab; + protected boolean isScrollingUp = false; protected HashMap knownAccounts=new HashMap<>(); protected HashMap relationships=new HashMap<>(); protected Rect tmpRect=new Rect(); @@ -273,11 +278,42 @@ public abstract class BaseStatusListFragment exten @Override public void onViewCreated(View view, Bundle savedInstanceState){ super.onViewCreated(view, savedInstanceState); + fab=view.findViewById(R.id.fab); list.addOnScrollListener(new RecyclerView.OnScrollListener(){ @Override public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy){ if(currentPhotoViewer!=null) currentPhotoViewer.offsetView(-dx, -dy); + + if (fab!=null) { + if (dy > 0 ) { + if (isScrollingUp) { + fab.setVisibility(View.INVISIBLE); + TranslateAnimation animate = new TranslateAnimation( + 0, + 0, + 0, + fab.getHeight() * 2); + animate.setDuration(300); + animate.setFillAfter(true); + fab.startAnimation(animate); + isScrollingUp = false; + } + } else { + if (!isScrollingUp) { + fab.setVisibility(View.VISIBLE); + TranslateAnimation animate = new TranslateAnimation( + 0, + 0, + fab.getHeight() * 2, + 0); + animate.setDuration(300); + animate.setFillAfter(true); + fab.startAnimation(animate); + isScrollingUp = true; + } + } + } } }); list.addItemDecoration(new StatusListItemDecoration());