readded animations

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -75,6 +75,7 @@ import org.schabi.newpipe.player.playqueue.PlayQueue;
 import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ImageDisplayConstants;
@@ -956,7 +957,7 @@ public class VideoDetailFragment
     }
 
     private void showContent() {
-        contentRootLayoutHiding.setVisibility(View.VISIBLE);
+        AnimationUtils.slideUp(contentRootLayoutHiding,120, 96, 0.06f);
     }
 
     protected void setInitialData(int serviceId, String url, String name) {

app/src/main/java/org/schabi/newpipe/fragments/list/comments/CommentsFragment.java

@@ -16,6 +16,7 @@ import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.comments.CommentsInfo;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
 import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.ExtractorHelper;
 
 import io.reactivex.Single;
@@ -92,6 +93,8 @@ public class CommentsFragment extends BaseListInfoFragment<CommentsInfo> {
     public void handleResult(@NonNull CommentsInfo result) {
         super.handleResult(result);
 
+        AnimationUtils.slideUp(getView(),120, 96, 0.06f);
+
         if (!result.getErrors().isEmpty()) {
             showSnackBarError(result.getErrors(), UserAction.REQUESTED_COMMENTS, NewPipe.getNameOfService(result.getServiceId()), result.getUrl(), 0);
         }
@@ -120,6 +123,7 @@ public class CommentsFragment extends BaseListInfoFragment<CommentsInfo> {
     protected boolean onError(Throwable exception) {
         if (super.onError(exception)) return true;
 
+        hideLoading();
         showSnackBarError(exception, UserAction.REQUESTED_COMMENTS, NewPipe.getNameOfService(serviceId), url, R.string.error_unable_to_load_comments);
         return true;
     }

app/src/main/java/org/schabi/newpipe/fragments/list/videos/RelatedVideosFragment.java

@@ -20,6 +20,7 @@ import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
 import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.RelatedStreamInfo;
 
 import java.io.Serializable;
@@ -110,12 +111,17 @@ public class RelatedVideosFragment extends BaseListInfoFragment<RelatedStreamInf
     @Override
     public void showLoading() {
         super.showLoading();
+        headerRootLayout.setVisibility(View.INVISIBLE);
     }
 
     @Override
     public void handleResult(@NonNull RelatedStreamInfo result) {
+
         super.handleResult(result);
 
+        headerRootLayout.setVisibility(View.VISIBLE);
+        AnimationUtils.slideUp(getView(),120, 96, 0.06f);
+
         if (!result.getErrors().isEmpty()) {
             showSnackBarError(result.getErrors(), UserAction.REQUESTED_STREAM, NewPipe.getNameOfService(result.getServiceId()), result.getUrl(), 0);
         }
@@ -144,6 +150,7 @@ public class RelatedVideosFragment extends BaseListInfoFragment<RelatedStreamInf
     protected boolean onError(Throwable exception) {
         if (super.onError(exception)) return true;
 
+        hideLoading();
         showSnackBarError(exception, UserAction.REQUESTED_STREAM, NewPipe.getNameOfService(serviceId), url, R.string.general_error);
         return true;
     }

app/src/main/java/org/schabi/newpipe/util/AnimationUtils.java

@@ -25,6 +25,7 @@ import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
 import android.content.res.ColorStateList;
 import android.support.annotation.ColorInt;
+import android.support.annotation.FloatRange;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.util.Log;
@@ -363,4 +364,24 @@ public class AnimationUtils {
             }).start();
         }
     }
+
+    public static void slideUp(final View view,
+                               long duration,
+                               long delay,
+                               @FloatRange(from = 0.0f, to = 1.0f) float translationPercent) {
+        int translationY = (int) (view.getResources().getDisplayMetrics().heightPixels *
+                (translationPercent));
+
+        view.animate().setListener(null).cancel();
+        view.setAlpha(0f);
+        view.setTranslationY(translationY);
+        view.setVisibility(View.VISIBLE);
+        view.animate()
+                .alpha(1f)
+                .translationY(0)
+                .setStartDelay(delay)
+                .setDuration(duration)
+                .setInterpolator(new FastOutSlowInInterpolator())
+                .start();
+    }
 }