store dialog holders as views, not viewgroups

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

@@ -3,7 +3,7 @@ package com.simplemobiletools.gallery.dialogs
 import android.content.DialogInterface
 import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
-import android.view.ViewGroup
+import android.view.View
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.activities.SimpleActivity
@@ -15,12 +15,12 @@ class ChangeSortingDialog(val activity: SimpleActivity, val isDirectorySorting:
         private var currSorting = 0
 
         lateinit var config: Config
-        lateinit var view: ViewGroup
+        lateinit var view: View
     }
 
     init {
         config = Config.newInstance(activity)
-        view = LayoutInflater.from(activity).inflate(R.layout.dialog_change_sorting, null) as ViewGroup
+        view = LayoutInflater.from(activity).inflate(R.layout.dialog_change_sorting, null)
 
         AlertDialog.Builder(activity)
                 .setPositiveButton(R.string.ok, this)

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

@@ -3,7 +3,7 @@ package com.simplemobiletools.gallery.dialogs
 import android.support.v4.util.Pair
 import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
-import android.view.ViewGroup
+import android.view.View
 import com.simplemobiletools.commons.asynctasks.CopyMoveTask
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.gallery.R
@@ -15,11 +15,11 @@ import java.util.*
 
 class CopyDialog(val activity: SimpleActivity, val files: ArrayList<File>, val copyMoveListener: CopyMoveTask.CopyMoveListener) {
     companion object {
-        lateinit var view: ViewGroup
+        lateinit var view: View
     }
 
     init {
-        view = LayoutInflater.from(activity).inflate(R.layout.dialog_copy_move, null) as ViewGroup
+        view = LayoutInflater.from(activity).inflate(R.layout.dialog_copy_move, null)
         val sourcePath = files[0].parent.trimEnd('/')
         var destinationPath = ""
 

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

@@ -4,7 +4,6 @@ import android.os.Environment
 import android.support.v7.app.AlertDialog
 import android.support.v7.widget.RecyclerView
 import android.view.LayoutInflater
-import android.view.ViewGroup
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.gallery.R
@@ -19,7 +18,7 @@ class PickAlbumDialog(val activity: SimpleActivity, val callback: (path: String)
     var directoriesGrid: RecyclerView
 
     init {
-        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_album_picker, null) as ViewGroup
+        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_album_picker, null)
         directoriesGrid = view.directories_grid
 
         AlertDialog.Builder(activity)

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

@@ -2,7 +2,6 @@ package com.simplemobiletools.gallery.dialogs
 
 import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
-import android.view.ViewGroup
 import android.view.WindowManager
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.gallery.R
@@ -14,9 +13,10 @@ import java.util.*
 
 class RenameDirectoryDialog(val activity: SimpleActivity, val dir: File, val callback: (changedPaths: ArrayList<String>) -> Unit) {
     init {
-        val view = LayoutInflater.from(activity).inflate(R.layout.rename_directory, null) as ViewGroup
+        val view = LayoutInflater.from(activity).inflate(R.layout.rename_directory, null).apply {
-        view.directory_name.setText(dir.name)
+            directory_name.setText(dir.name)
-        view.directory_path.text = "${activity.humanizePath(dir.parent)}/"
+            directory_path.text = "${activity.humanizePath(dir.parent)}/"
+        }
 
         AlertDialog.Builder(activity)
                 .setPositiveButton(R.string.ok, null)

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

@@ -2,7 +2,6 @@ package com.simplemobiletools.gallery.dialogs
 
 import android.support.v7.app.AlertDialog
 import android.view.LayoutInflater
-import android.view.ViewGroup
 import android.view.WindowManager
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.gallery.R
@@ -14,7 +13,7 @@ import java.io.File
 class RenameFileDialog(val activity: SimpleActivity, val file: File, val callback: (newFile: File) -> Unit) {
 
     init {
-        val view = LayoutInflater.from(activity).inflate(R.layout.rename_file, null) as ViewGroup
+        val view = LayoutInflater.from(activity).inflate(R.layout.rename_file, null)
         val fullName = file.name
         val dotAt = fullName.lastIndexOf(".")
         var name = fullName

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

@@ -14,8 +14,7 @@ class SaveAsDialog(val activity: Activity, val path: String, val callback: (save
 
     init {
         var realPath = File(path).parent.trimEnd('/')
-        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_save_as, null)
+        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_save_as, null).apply {
-        view.apply {
             file_path.text = activity.humanizePath(realPath)
 
             val fullName = path.getFilenameFromPath()
@@ -25,7 +24,7 @@ class SaveAsDialog(val activity: Activity, val path: String, val callback: (save
             if (dotAt > 0) {
                 name = fullName.substring(0, dotAt)
                 val extension = fullName.substring(dotAt + 1)
-                view.file_extension.setText(extension)
+                file_extension.setText(extension)
             }
 
             file_name.setText(name)