show the storage analysis tab on Android 8+ only

Author: tibbi

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt

@@ -63,7 +63,7 @@ class MainActivity : SimpleActivity() {
         setContentView(R.layout.activity_main)
         appLaunched(BuildConfig.APPLICATION_ID)
 
-        if (!config.wasStorageAnalysisTabAdded) {
+        if (!config.wasStorageAnalysisTabAdded && isOreoPlus()) {
             config.wasStorageAnalysisTabAdded = true
             config.showTabs += TAB_STORAGE_ANALYSIS
         }

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/dialogs/ManageVisibleTabsDialog.kt

@@ -2,14 +2,17 @@ package com.simplemobiletools.filemanager.pro.dialogs
 
 import androidx.appcompat.app.AlertDialog
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.extensions.beGone
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.commons.helpers.TAB_FILES
 import com.simplemobiletools.commons.helpers.TAB_RECENT_FILES
 import com.simplemobiletools.commons.helpers.TAB_STORAGE_ANALYSIS
+import com.simplemobiletools.commons.helpers.isOreoPlus
 import com.simplemobiletools.commons.views.MyAppCompatCheckbox
 import com.simplemobiletools.filemanager.pro.R
 import com.simplemobiletools.filemanager.pro.extensions.config
 import com.simplemobiletools.filemanager.pro.helpers.ALL_TABS_MASK
+import kotlinx.android.synthetic.main.dialog_manage_visible_tabs.view.*
 
 class ManageVisibleTabsDialog(val activity: BaseSimpleActivity) {
     private var view = activity.layoutInflater.inflate(R.layout.dialog_manage_visible_tabs, null)
@@ -22,6 +25,10 @@ class ManageVisibleTabsDialog(val activity: BaseSimpleActivity) {
             put(TAB_STORAGE_ANALYSIS, R.id.manage_visible_tabs_storage_analysis)
         }
 
+        if (!isOreoPlus()) {
+            view.manage_visible_tabs_storage_analysis.beGone()
+        }
+
         val showTabs = activity.config.showTabs
         for ((key, value) in tabs) {
             view.findViewById<MyAppCompatCheckbox>(value).isChecked = showTabs and key != 0