Add option to always show the bottom bar in the article reader (#368)

app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt

@@ -77,6 +77,7 @@ class ArticleFragment : Fragment() {
     private var typeface: Typeface? = null
     private var resId: Int = 0
     private var font = ""
+    private var staticBar = false
 
     override fun onStop() {
         super.onStop()
@@ -118,6 +119,7 @@ class ArticleFragment : Fragment() {
             prefs = PreferenceManager.getDefaultSharedPreferences(activity)
             editor = prefs.edit()
             fontSize = prefs.getString("reader_font_size", "16")!!.toInt()
+            staticBar = prefs.getBoolean("reader_static_bar", false)
 
             font = prefs.getString("reader_font", "")!!
             if (font.isNotEmpty()) {
@@ -211,6 +213,11 @@ class ArticleFragment : Fragment() {
                 }
             )
 
+            if (staticBar) {
+                fab.hide()
+                floatingToolbar.show()
+            }
+
             binding.source.text = contentSource
             if (typeface != null) {
                 binding.source.typeface = typeface
@@ -242,9 +249,14 @@ class ArticleFragment : Fragment() {
             binding.nestedScrollView.setOnScrollChangeListener(
                 NestedScrollView.OnScrollChangeListener { _, _, scrollY, _, oldScrollY ->
                     if (scrollY > oldScrollY) {
+                        floatingToolbar.hide()
                         fab.hide()
                     } else {
-                        if (floatingToolbar.isShowing) floatingToolbar.hide() else fab.show()
+                        if (staticBar) {
+                            floatingToolbar.show()
+                        } else {
+                            if (floatingToolbar.isShowing) floatingToolbar.hide() else fab.show()
+                        }
                     }
                 }
             )