move the remaining Utils functions into extensions

app/src/main/kotlin/com/simplemobiletools/gallery/Utils.kt

@@ -1,34 +0,0 @@
-package com.simplemobiletools.gallery
-
-import android.content.Context
-import android.content.res.Resources
-import android.util.TypedValue
-
-class Utils {
-    companion object {
-        fun getActionBarHeight(context: Context, res: Resources): Int {
-            val tv = TypedValue()
-            var height = 0
-            if (context.theme.resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
-                height = TypedValue.complexToDimensionPixelSize(tv.data, res.displayMetrics)
-            }
-            return height
-        }
-
-        fun getStatusBarHeight(res: Resources): Int {
-            val id = res.getIdentifier("status_bar_height", "dimen", "android")
-            return if (id > 0) {
-                res.getDimensionPixelSize(id)
-            } else
-                0
-        }
-
-        fun getNavBarHeight(res: Resources): Int {
-            val id = res.getIdentifier("navigation_bar_height", "dimen", "android")
-            return if (id > 0) {
-                res.getDimensionPixelSize(id)
-            } else
-                0
-        }
-    }
-}

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

@@ -16,13 +16,14 @@ import com.simplemobiletools.filepicker.asynctasks.CopyMoveTask
 import com.simplemobiletools.filepicker.dialogs.ConfirmationDialog
 import com.simplemobiletools.filepicker.extensions.*
 import com.simplemobiletools.fileproperties.dialogs.PropertiesDialog
-import com.simplemobiletools.gallery.*
+import com.simplemobiletools.gallery.MEDIUM
+import com.simplemobiletools.gallery.R
+import com.simplemobiletools.gallery.REQUEST_EDIT_IMAGE
+import com.simplemobiletools.gallery.REQUEST_SET_WALLPAPER
 import com.simplemobiletools.gallery.adapters.MyPagerAdapter
 import com.simplemobiletools.gallery.dialogs.CopyDialog
 import com.simplemobiletools.gallery.dialogs.RenameFileDialog
-import com.simplemobiletools.gallery.extensions.openWith
-import com.simplemobiletools.gallery.extensions.setAsWallpaper
-import com.simplemobiletools.gallery.extensions.shareMedium
+import com.simplemobiletools.gallery.extensions.*
 import com.simplemobiletools.gallery.fragments.ViewPagerFragment
 import com.simplemobiletools.gallery.models.Medium
 import kotlinx.android.synthetic.main.activity_medium.*
@@ -390,11 +391,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     private fun addUndoMargin() {
         val res = resources
         val params = undo_delete.layoutParams as RelativeLayout.LayoutParams
-        val topMargin = Utils.getStatusBarHeight(res) + Utils.getActionBarHeight(applicationContext, res)
+        val topMargin = res.getStatusBarHeight() + res.getActionBarHeight(applicationContext)
         var rightMargin = params.rightMargin
 
         if (res.configuration.orientation != Configuration.ORIENTATION_PORTRAIT) {
-            rightMargin += Utils.getNavBarHeight(res)
+            rightMargin += res.getNavBarHeight()
         }
 
         params.setMargins(params.leftMargin, topMargin, rightMargin, params.bottomMargin)

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/resources.kt

@@ -0,0 +1,30 @@
+package com.simplemobiletools.gallery.extensions
+
+import android.content.Context
+import android.content.res.Resources
+import android.util.TypedValue
+
+fun Resources.getActionBarHeight(context: Context): Int {
+    val tv = TypedValue()
+    var height = 0
+    if (context.theme.resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
+        height = TypedValue.complexToDimensionPixelSize(tv.data, displayMetrics)
+    }
+    return height
+}
+
+fun Resources.getStatusBarHeight(): Int {
+    val id = getIdentifier("status_bar_height", "dimen", "android")
+    return if (id > 0) {
+        getDimensionPixelSize(id)
+    } else
+        0
+}
+
+fun Resources.getNavBarHeight(): Int {
+    val id = getIdentifier("navigation_bar_height", "dimen", "android")
+    return if (id > 0) {
+        getDimensionPixelSize(id)
+    } else
+        0
+}

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/VideoFragment.kt

@@ -16,7 +16,7 @@ import android.widget.TextView
 import com.simplemobiletools.gallery.Config
 import com.simplemobiletools.gallery.MEDIUM
 import com.simplemobiletools.gallery.R
-import com.simplemobiletools.gallery.Utils
+import com.simplemobiletools.gallery.extensions.getNavBarHeight
 import com.simplemobiletools.gallery.extensions.hasNavBar
 import com.simplemobiletools.gallery.models.Medium
 import kotlinx.android.synthetic.main.pager_video_item.view.*
@@ -107,7 +107,7 @@ class VideoFragment : ViewPagerFragment(), View.OnClickListener, SurfaceHolder.C
     private fun initTimeHolder() {
         mTimeHolder = mView.video_time_holder
         val res = resources
-        val height = Utils.getNavBarHeight(res)
+        val height = res.getNavBarHeight()
         val left = mTimeHolder!!.paddingLeft
         val top = mTimeHolder!!.paddingTop
         var right = res.getDimension(R.dimen.timer_padding).toInt()