add an info bubble at the fastscroller

app/build.gradle

@@ -42,7 +42,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.1'
+    implementation 'com.simplemobiletools:commons:3.2.2'
 
     implementation files('../libs/RootTools.jar')
 

app/src/main/kotlin/com/simplemobiletools/filemanager/activities/SettingsActivity.kt

@@ -31,6 +31,7 @@ class SettingsActivity : SimpleActivity() {
         setupShowHidden()
         setupPasswordProtection()
         setupKeepLastModified()
+        setupShowInfoBubble()
         setupEnableRootAccess()
         updateTextColors(settings_holder)
     }
@@ -105,6 +106,14 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupShowInfoBubble() {
+        settings_show_info_bubble.isChecked = config.showInfoBubble
+        settings_show_info_bubble_holder.setOnClickListener {
+            settings_show_info_bubble.toggle()
+            config.showInfoBubble = settings_show_info_bubble.isChecked
+        }
+    }
+
     private fun setupEnableRootAccess() {
         settings_enable_root_access_holder.beVisibleIf(config.isRootAvailable)
         settings_enable_root_access.isChecked = config.enableRootAccess

app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt

@@ -45,7 +45,7 @@ class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrum
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
         mView = inflater.inflate(R.layout.items_fragment, container, false)!!
-        storeConfigVariables()
+        storeStateVariables()
         return mView
     }
 
@@ -86,16 +86,20 @@ class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrum
             storedTextColor = newTextColor
         }
 
+        items_fastscroller.updateBubbleColors()
+        items_fastscroller.allowBubbleDisplay = context!!.config.showInfoBubble
         refreshItems()
     }
 
     override fun onPause() {
         super.onPause()
-        storeConfigVariables()
+        storeStateVariables()
     }
 
-    private fun storeConfigVariables() {
+    private fun storeStateVariables() {
-        storedTextColor = context!!.config.textColor
+        context!!.config.apply {
+            storedTextColor = textColor
+        }
     }
 
     fun openPath(path: String) {
@@ -141,7 +145,10 @@ class ItemsFragment : Fragment(), ItemsAdapter.ItemOperationsListener, Breadcrum
                         addVerticalDividers(true)
                         items_list.adapter = this
                     }
-                    items_fastscroller.setViews(items_list, items_swipe_refresh)
+                    items_fastscroller.allowBubbleDisplay = context.config.showInfoBubble
+                    items_fastscroller.setViews(items_list, items_swipe_refresh) {
+                        items_fastscroller.updateBubbleText(storedItems[it].getBubbleText())
+                    }
                 } else {
                     (currAdapter as ItemsAdapter).updateItems(storedItems)
 

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

@@ -129,6 +129,26 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_show_info_bubble_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:padding="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MySwitchCompat
+                android:id="@+id/settings_show_info_bubble"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@null"
+                android:clickable="false"
+                android:paddingLeft="@dimen/medium_margin"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/show_info_bubble"/>
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_enable_root_access_holder"
             android:layout_width="match_parent"

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

@@ -41,13 +41,8 @@
                 android:paddingLeft="@dimen/normal_margin"
                 android:paddingStart="@dimen/normal_margin">
 
-                <ImageView
+                <include layout="@layout/fastscroller_handle_vertical"/>
-                    android:id="@+id/fastscroller_handle_vertical"
+
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="end"
-                    android:alpha="0"
-                    android:background="@drawable/fastscroller_handle_vertical"/>
             </com.simplemobiletools.commons.views.FastScroller>
         </RelativeLayout>
     </android.support.v4.widget.SwipeRefreshLayout>