-Reduced text size for hold to append tip.

-Added options to turn off hold to append tip.

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

@@ -480,6 +480,8 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
         return new View.OnTouchListener() {
             @Override
             public boolean onTouch(View view, MotionEvent motionEvent) {
+                if (!PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(getString(R.string.show_hold_to_append_key), true)) return false;
+
                 if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
                     appendControlsDetail.setVisibility(View.VISIBLE);
                 } else {

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

@@ -64,7 +64,7 @@
                     android:paddingTop="10dp"
                     android:layout_gravity="center"
                     android:textColor="@android:color/white"
-                    android:textSize="26sp"
+                    android:textSize="20sp"
                     android:textStyle="bold"
                     android:text="@string/hold_to_append"
                     android:visibility="gone"

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

@@ -96,6 +96,7 @@
     <string name="show_search_suggestions_key" translatable="false">show_search_suggestions</string>
     <string name="show_play_with_kodi_key" translatable="false">show_play_with_kodi</string>
     <string name="show_next_video_key" translatable="false">show_next_video</string>
+    <string name="show_hold_to_append_key" translatable="false">show_hold_to_append</string>
     <string name="default_language_value">en</string>
     <string name="search_language_key" translatable="false">search_language</string>
     <string name="show_age_restricted_content" translatable="false">show_age_restricted_content</string>

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

@@ -80,6 +80,8 @@
     <string name="download_dialog_title">Download</string>
     <string name="next_video_title">Next video</string>
     <string name="show_next_and_similar_title">Show next and similar videos</string>
+    <string name="show_hold_to_append_title">Show Hold to Append Tip</string>
+    <string name="show_hold_to_append_summary">Show tip when background or popup button is pressed on video details page</string>
     <string name="url_not_supported_toast">URL not supported</string>
     <string name="search_language_title">Default content language</string>
     <string name="settings_category_player_title">Player</string>

app/src/main/res/xml/appearance_settings.xml

@@ -16,4 +16,9 @@
         android:key="@string/show_next_video_key"
         android:title="@string/show_next_and_similar_title"/>
 
+    <SwitchPreference
+        android:defaultValue="true"
+        android:key="@string/show_hold_to_append_key"
+        android:title="@string/show_hold_to_append_title"
+        android:summary="@string/show_hold_to_append_summary"/>
 </PreferenceScreen>