add a toggle for showing info bubble at fastscroller

app/build.gradle

@@ -43,7 +43,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.1.4'
+    implementation 'com.simplemobiletools:commons:3.1.7'
     implementation 'com.davemorrissey.labs:subsampling-scale-image-view:3.8.0'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.4.0'
     implementation 'com.android.support:multidex:1.0.2'

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt

@@ -57,6 +57,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
     private var mStoredCropThumbnails = true
     private var mStoredScrollHorizontally = true
     private var mStoredShowMediaCount = true
+    private var mStoredShowInfoBubble = true
     private var mStoredTextColor = 0
     private var mLoadedInitialPhotos = false
     private var mIsPasswordProtectionPending = false
@@ -113,7 +114,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
             getDirectoryAdapter()?.updateShowMediaCount(config.showMediaCount)
         }
 
-        if (mStoredScrollHorizontally != config.scrollHorizontally) {
+        if (mStoredScrollHorizontally != config.scrollHorizontally || mStoredShowInfoBubble != config.showInfoBubble) {
             getDirectoryAdapter()?.updateScrollHorizontally(config.viewTypeFolders != VIEW_TYPE_LIST && config.scrollHorizontally)
             setupScrollDirection()
         }
@@ -200,6 +201,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
             mStoredCropThumbnails = cropThumbnails
             mStoredScrollHorizontally = scrollHorizontally
             mStoredShowMediaCount = showMediaCount
+            mStoredShowInfoBubble = showInfoBubble
             mStoredTextColor = textColor
         }
     }
@@ -583,6 +585,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
         if (allowHorizontalScroll) {
             directories_horizontal_fastscroller.setViews(directories_grid, directories_refresh_layout)
         } else {
+            directories_vertical_fastscroller.allowBubbleDisplay = config.showInfoBubble
             directories_vertical_fastscroller.setViews(directories_grid, directories_refresh_layout) {
                 directories_vertical_fastscroller.updateBubbleText(mDirs[it].getBubbleText())
             }

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MediaActivity.kt

@@ -53,6 +53,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
     private var mStoredAnimateGifs = true
     private var mStoredCropThumbnails = true
     private var mStoredScrollHorizontally = true
+    private var mStoredShowInfoBubble = true
     private var mStoredTextColor = 0
     private var mLastDrawnHashCode = 0
     private var mLatestMediaId = 0L
@@ -100,7 +101,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
             getMediaAdapter()?.updateCropThumbnails(config.cropThumbnails)
         }
 
-        if (mStoredScrollHorizontally != config.scrollHorizontally) {
+        if (mStoredScrollHorizontally != config.scrollHorizontally || mStoredShowInfoBubble != config.showInfoBubble) {
             getMediaAdapter()?.updateScrollHorizontally(config.viewTypeFiles != VIEW_TYPE_LIST || !config.scrollHorizontally)
             setupScrollDirection()
         }
@@ -140,6 +141,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
             mStoredAnimateGifs = animateGifs
             mStoredCropThumbnails = cropThumbnails
             mStoredScrollHorizontally = scrollHorizontally
+            mStoredShowInfoBubble = showInfoBubble
             mStoredTextColor = textColor
             mShowAll = showAll
         }
@@ -203,6 +205,7 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
         if (allowHorizontalScroll) {
             media_horizontal_fastscroller.setViews(media_grid, media_refresh_layout)
         } else {
+            media_vertical_fastscroller.allowBubbleDisplay = config.showInfoBubble
             media_vertical_fastscroller.setViews(media_grid, media_refresh_layout) {
                 media_vertical_fastscroller.updateBubbleText(mMedia[it].getBubbleText())
             }

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

@@ -55,6 +55,7 @@ class SettingsActivity : SimpleActivity() {
         setupAllowVideoGestures()
         setupShowMediaCount()
         setupKeepLastModified()
+        setupShowInfoBubble()
         setupShowExtendedDetails()
         setupManageExtendedDetails()
         updateTextColors(settings_holder)
@@ -254,6 +255,14 @@ 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 setupScreenRotation() {
         settings_screen_rotation.text = getScreenRotationText()
         settings_screen_rotation_holder.setOnClickListener {

app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/PickDirectoryDialog.kt

@@ -86,7 +86,10 @@ class PickDirectoryDialog(val activity: BaseSimpleActivity, val sourcePath: Stri
             if (scrollHorizontally) {
                 directories_horizontal_fastscroller.setViews(directories_grid)
             } else {
-                directories_vertical_fastscroller.setViews(directories_grid)
+                directories_vertical_fastscroller.allowBubbleDisplay = activity.config.showInfoBubble
+                directories_vertical_fastscroller.setViews(directories_grid) {
+                    directories_vertical_fastscroller.updateBubbleText(dirs[it].getBubbleText())
+                }
             }
         }
     }

app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/PickMediumDialog.kt

@@ -76,7 +76,10 @@ class PickMediumDialog(val activity: BaseSimpleActivity, val path: String, val c
             if (scrollHorizontally) {
                 media_horizontal_fastscroller.setViews(media_grid)
             } else {
-                media_vertical_fastscroller.setViews(media_grid)
+                media_vertical_fastscroller.allowBubbleDisplay = activity.config.showInfoBubble
+                media_vertical_fastscroller.setViews(media_grid) {
+                    media_vertical_fastscroller.updateBubbleText(media[it].getBubbleText())
+                }
             }
         }
     }

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

@@ -408,6 +408,26 @@
 
         </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_show_extended_details_holder"
             android:layout_width="match_parent"