adding some preparation for Material You theme

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/EditActivity.kt

@@ -107,7 +107,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
     override fun onResume() {
         super.onResume()
         isEditingWithThirdParty = false
-        bottom_draw_width.setColors(config.textColor, getProperPrimaryColor(), config.backgroundColor)
+        bottom_draw_width.setColors(getProperTextColor(), getProperPrimaryColor(), getProperBackgroundColor())
     }
 
     override fun onStop() {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ExcludedFoldersActivity.kt

@@ -5,6 +5,7 @@ import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.beVisibleIf
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.extensions.internalStoragePath
 import com.simplemobiletools.commons.helpers.isRPlus
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
@@ -26,7 +27,7 @@ class ExcludedFoldersActivity : SimpleActivity(), RefreshRecyclerViewListener {
         var placeholderText = getString(R.string.excluded_activity_placeholder)
         manage_folders_placeholder.apply {
             beVisibleIf(folders.isEmpty())
-            setTextColor(config.textColor)
+            setTextColor(getProperTextColor())
 
             if (isRPlus()) {
                 placeholderText = placeholderText.substringBefore("\n")

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/HiddenFoldersActivity.kt

@@ -5,6 +5,7 @@ import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.beVisibleIf
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
 import com.simplemobiletools.gallery.pro.R
@@ -27,7 +28,7 @@ class HiddenFoldersActivity : SimpleActivity(), RefreshRecyclerViewListener {
                 manage_folders_placeholder.apply {
                     text = getString(R.string.hidden_folders_placeholder)
                     beVisibleIf(it.isEmpty())
-                    setTextColor(config.textColor)
+                    setTextColor(getProperTextColor())
                 }
 
                 val adapter = ManageHiddenFoldersAdapter(this, it, this, manage_folders_list) {}

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/IncludedFoldersActivity.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.commons.extensions.beVisibleIf
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
 import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.adapters.ManageFoldersAdapter
@@ -23,7 +24,7 @@ class IncludedFoldersActivity : SimpleActivity(), RefreshRecyclerViewListener {
         manage_folders_placeholder.apply {
             text = getString(R.string.included_activity_placeholder)
             beVisibleIf(folders.isEmpty())
-            setTextColor(config.textColor)
+            setTextColor(getProperTextColor())
         }
 
         val adapter = ManageFoldersAdapter(this, folders, false, this, manage_folders_list) {}

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

@@ -43,8 +43,6 @@ import com.simplemobiletools.gallery.pro.models.Directory
 import com.simplemobiletools.gallery.pro.models.Medium
 import kotlinx.android.synthetic.main.activity_main.*
 import java.io.*
-import java.util.*
-import kotlin.collections.ArrayList
 
 class MainActivity : SimpleActivity(), DirectoryOperationsListener {
     private val PICK_MEDIA = 2
@@ -180,13 +178,13 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
             getDirectories()
         }
 
-        if (mStoredTextColor != config.textColor) {
-            getRecyclerAdapter()?.updateTextColor(config.textColor)
+        if (mStoredTextColor != getProperTextColor()) {
+            getRecyclerAdapter()?.updateTextColor(getProperTextColor())
         }
 
         val primaryColor = getProperPrimaryColor()
         if (mStoredPrimaryColor != primaryColor) {
-            getRecyclerAdapter()?.updatePrimaryColor(config.primaryColor)
+            getRecyclerAdapter()?.updatePrimaryColor(primaryColor)
         }
 
         val styleString = "${config.folderStyle}${config.showFolderMediaCount}${config.limitFolderTitle}"
@@ -201,7 +199,7 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
             timeFormat = getTimeFormat()
         }
 
-        directories_empty_placeholder.setTextColor(config.textColor)
+        directories_empty_placeholder.setTextColor(getProperTextColor())
         directories_empty_placeholder_2.setTextColor(primaryColor)
         directories_switch_searching.setTextColor(primaryColor)
         directories_switch_searching.underlineText()
@@ -334,14 +332,14 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
     private fun getRecyclerAdapter() = directories_grid.adapter as? DirectoryAdapter
 
     private fun storeStateVariables() {
+        mStoredTextColor = getProperTextColor()
+        mStoredPrimaryColor = getProperPrimaryColor()
         config.apply {
             mStoredAnimateGifs = animateGifs
             mStoredCropThumbnails = cropThumbnails
             mStoredScrollHorizontally = scrollHorizontally
-            mStoredTextColor = textColor
             mStoredStyleString = "$folderStyle$showFolderMediaCount$limitFolderTitle"
         }
-        mStoredPrimaryColor = getProperPrimaryColor()
     }
 
     private fun setupSearch(menu: Menu) {

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

@@ -44,8 +44,6 @@ import com.simplemobiletools.gallery.pro.models.ThumbnailSection
 import kotlinx.android.synthetic.main.activity_media.*
 import java.io.File
 import java.io.IOException
-import java.util.*
-import kotlin.collections.ArrayList
 
 class MediaActivity : SimpleActivity(), MediaOperationsListener {
     private val LAST_MEDIA_CHECK_PERIOD = 3000L
@@ -141,13 +139,13 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
             getMediaAdapter()?.updateShowFileTypes(config.showThumbnailFileTypes)
         }
 
-        if (mStoredTextColor != config.textColor) {
-            getMediaAdapter()?.updateTextColor(config.textColor)
+        if (mStoredTextColor != getProperTextColor()) {
+            getMediaAdapter()?.updateTextColor(getProperTextColor())
         }
 
         val primaryColor = getProperPrimaryColor()
         if (mStoredPrimaryColor != primaryColor) {
-            getMediaAdapter()?.updatePrimaryColor(config.primaryColor)
+            getMediaAdapter()?.updatePrimaryColor(primaryColor)
         }
 
         if (
@@ -166,7 +164,7 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
             timeFormat = getTimeFormat()
         }
 
-        media_empty_text_placeholder.setTextColor(config.textColor)
+        media_empty_text_placeholder.setTextColor(getProperTextColor())
         media_empty_text_placeholder_2.setTextColor(getProperPrimaryColor())
 
         if (!mIsSearchOpen) {
@@ -301,18 +299,18 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
     }
 
     private fun storeStateVariables() {
+        mStoredTextColor = getProperTextColor()
+        mStoredPrimaryColor = getProperPrimaryColor()
         config.apply {
             mStoredAnimateGifs = animateGifs
             mStoredCropThumbnails = cropThumbnails
             mStoredScrollHorizontally = scrollHorizontally
             mStoredShowFileTypes = showThumbnailFileTypes
             mStoredMarkFavoriteItems = markFavoriteItems
-            mStoredTextColor = textColor
             mStoredThumbnailSpacing = thumbnailSpacing
             mStoredRoundedCorners = fileRoundedCorners
             mShowAll = showAll
         }
-        mStoredPrimaryColor = getProperPrimaryColor()
     }
 
     private fun setupSearch(menu: Menu) {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/SearchActivity.kt

@@ -21,11 +21,13 @@ import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.adapters.MediaAdapter
 import com.simplemobiletools.gallery.pro.asynctasks.GetMediaAsynctask
 import com.simplemobiletools.gallery.pro.extensions.*
-import com.simplemobiletools.gallery.pro.helpers.*
+import com.simplemobiletools.gallery.pro.helpers.GridSpacingItemDecoration
+import com.simplemobiletools.gallery.pro.helpers.MediaFetcher
+import com.simplemobiletools.gallery.pro.helpers.PATH
+import com.simplemobiletools.gallery.pro.helpers.SHOW_ALL
 import com.simplemobiletools.gallery.pro.interfaces.MediaOperationsListener
 import com.simplemobiletools.gallery.pro.models.Medium
 import com.simplemobiletools.gallery.pro.models.ThumbnailItem
-import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.activity_search.*
 import java.io.File
 
@@ -40,7 +42,7 @@ class SearchActivity : SimpleActivity(), MediaOperationsListener {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_search)
-        media_empty_text_placeholder.setTextColor(config.textColor)
+        media_empty_text_placeholder.setTextColor(getProperTextColor())
         getAllMedia()
         media_fastscroller.updateColors(getProperPrimaryColor())
     }

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

@@ -123,7 +123,7 @@ class SettingsActivity : SimpleActivity() {
             settings_recycle_bin_holder,
             settings_migrating_holder
         ).forEach {
-            it.background.applyColorFilter(baseConfig.backgroundColor.getContrastColor())
+            it.background.applyColorFilter(getProperBackgroundColor().getContrastColor())
         }
     }
 

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

@@ -61,7 +61,6 @@ import kotlinx.android.synthetic.main.activity_medium.*
 import kotlinx.android.synthetic.main.bottom_actions.*
 import java.io.File
 import java.io.OutputStream
-import java.util.*
 
 class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, ViewPagerFragment.FragmentListener {
     private val REQUEST_VIEW_VIDEO = 1
@@ -91,7 +90,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_medium)
 
-        window.decorView.setBackgroundColor(config.backgroundColor)
+        window.decorView.setBackgroundColor(getProperBackgroundColor())
         top_shadow.layoutParams.height = statusBarHeight + actionBarHeight
         checkNotchSupport()
         (MediaActivity.mMedia.clone() as ArrayList<ThumbnailItem>).filter { it is Medium }.mapTo(mMediaFiles) { it as Medium }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/WidgetConfigureActivity.kt

@@ -56,7 +56,7 @@ class WidgetConfigureActivity : SimpleActivity() {
         }
 
         updateTextColors(folder_picker_holder)
-        folder_picker_holder.background = ColorDrawable(config.backgroundColor)
+        folder_picker_holder.background = ColorDrawable(getProperBackgroundColor())
 
         getCachedDirectories(false, false) {
             mDirectories = it

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt

@@ -5,14 +5,12 @@ import android.content.pm.ShortcutInfo
 import android.content.pm.ShortcutManager
 import android.graphics.drawable.ColorDrawable
 import android.graphics.drawable.Icon
-import android.os.Build
 import android.text.TextUtils
 import android.view.Menu
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.widget.RelativeLayout
-import androidx.annotation.RequiresApi
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
@@ -52,8 +50,6 @@ import kotlinx.android.synthetic.main.directory_item_list.view.dir_holder
 import kotlinx.android.synthetic.main.directory_item_list.view.photo_cnt
 import java.io.File
 import java.util.*
-import kotlin.collections.ArrayList
-import kotlin.collections.HashMap
 
 class DirectoryAdapter(
     activity: BaseSimpleActivity, var dirs: ArrayList<Directory>, val listener: DirectoryOperationsListener?, recyclerView: MyRecyclerView,
@@ -626,7 +622,7 @@ class DirectoryAdapter(
                 return@handleSAFDialog
             }
 
-            activity.handleSAFDialogSdk30(SAFPath){
+            activity.handleSAFDialogSdk30(SAFPath) {
                 if (!it) {
                     return@handleSAFDialogSdk30
                 }
@@ -789,8 +785,8 @@ class DirectoryAdapter(
 
             if (lockedFolderPaths.contains(directory.path)) {
                 dir_lock.beVisible()
-                dir_lock.background = ColorDrawable(config.backgroundColor)
-                dir_lock.applyColorFilter(config.backgroundColor.getContrastColor())
+                dir_lock.background = ColorDrawable(context.getProperBackgroundColor())
+                dir_lock.applyColorFilter(context.getProperBackgroundColor().getContrastColor())
             } else {
                 dir_lock.beGone()
                 val roundedCorners = when {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/ManageFoldersAdapter.kt

@@ -5,12 +5,12 @@ import android.view.View
 import android.view.ViewGroup
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.extensions.config
 import kotlinx.android.synthetic.main.item_manage_folder.view.*
-import java.util.*
 
 class ManageFoldersAdapter(
     activity: BaseSimpleActivity, var folders: ArrayList<String>, val isShowingExcludedFolders: Boolean, val listener: RefreshRecyclerViewListener?,
@@ -64,7 +64,7 @@ class ManageFoldersAdapter(
             manage_folder_holder?.isSelected = selectedKeys.contains(folder.hashCode())
             manage_folder_title.apply {
                 text = folder
-                setTextColor(config.textColor)
+                setTextColor(context.getProperTextColor())
             }
         }
     }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/ManageHiddenFoldersAdapter.kt

@@ -5,6 +5,7 @@ import android.view.View
 import android.view.ViewGroup
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.extensions.isPathOnSD
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
 import com.simplemobiletools.commons.views.MyRecyclerView
@@ -66,7 +67,7 @@ class ManageHiddenFoldersAdapter(
             manage_folder_holder?.isSelected = selectedKeys.contains(folder.hashCode())
             manage_folder_title.apply {
                 text = folder
-                setTextColor(config.textColor)
+                setTextColor(context.getProperTextColor())
             }
         }
     }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/ChangeFolderThumbnailStyleDialog.kt

@@ -11,6 +11,7 @@ import com.bumptech.glide.request.RequestOptions
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.extensions.beGone
 import com.simplemobiletools.commons.extensions.beVisible
+import com.simplemobiletools.commons.extensions.getProperTextColor
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.extensions.config
@@ -106,8 +107,8 @@ class ChangeFolderThumbnailStyleDialog(val activity: BaseSimpleActivity, val cal
             if (useRoundedCornersLayout) {
                 val cornerRadius = resources.getDimension(R.dimen.rounded_corner_radius_big).toInt()
                 builder = builder.transform(CenterCrop(), RoundedCorners(cornerRadius))
-                dir_name.setTextColor(activity.config.textColor)
-                photo_cnt.setTextColor(activity.config.textColor)
+                dir_name.setTextColor(activity.getProperTextColor())
+                photo_cnt.setTextColor(activity.getProperTextColor())
             }
 
             builder.into(dir_thumbnail)

app/src/main/kotlin/com/simplemobiletools/gallery/pro/fragments/PhotoFragment.kt

@@ -19,7 +19,10 @@ import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.widget.RelativeLayout
-import androidx.exifinterface.media.ExifInterface.*
+import androidx.exifinterface.media.ExifInterface.ORIENTATION_ROTATE_180
+import androidx.exifinterface.media.ExifInterface.ORIENTATION_ROTATE_270
+import androidx.exifinterface.media.ExifInterface.ORIENTATION_ROTATE_90
+import androidx.exifinterface.media.ExifInterface.TAG_ORIENTATION
 import com.alexvasilkov.gestures.GestureController
 import com.alexvasilkov.gestures.State
 import com.bumptech.glide.Glide
@@ -61,7 +64,6 @@ import org.apache.sanselan.formats.jpeg.JpegImageParser
 import pl.droidsonroids.gif.InputSource
 import java.io.File
 import java.io.FileOutputStream
-import java.util.*
 import kotlin.math.ceil
 
 class PhotoFragment : ViewPagerFragment() {
@@ -673,7 +675,14 @@ class PhotoFragment : ViewPagerFragment() {
 
             onImageEventListener = object : SubsamplingScaleImageView.OnImageEventListener {
                 override fun onReady() {
-                    background = ColorDrawable(if (config.blackBackground) Color.BLACK else config.backgroundColor)
+                    background = ColorDrawable(
+                        if (config.blackBackground) {
+                            Color.BLACK
+                        } else {
+                            context.getProperBackgroundColor()
+                        }
+                    )
+
                     val useWidth = if (mImageOrientation == ORIENTATION_ROTATE_90 || mImageOrientation == ORIENTATION_ROTATE_270) sHeight else sWidth
                     val useHeight = if (mImageOrientation == ORIENTATION_ROTATE_90 || mImageOrientation == ORIENTATION_ROTATE_270) sWidth else sHeight
                     doubleTapZoomScale = getDoubleTapZoomScale(useWidth, useHeight)

app/src/main/kotlin/com/simplemobiletools/gallery/pro/views/EditorDrawCanvas.kt

@@ -5,10 +5,9 @@ import android.graphics.*
 import android.util.AttributeSet
 import android.view.MotionEvent
 import android.view.View
+import com.simplemobiletools.commons.extensions.getProperPrimaryColor
 import com.simplemobiletools.gallery.pro.R
-import com.simplemobiletools.gallery.pro.extensions.config
 import com.simplemobiletools.gallery.pro.models.PaintOptions
-import java.util.*
 
 class EditorDrawCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
     private var mCurX = 0f
@@ -26,7 +25,7 @@ class EditorDrawCanvas(context: Context, attrs: AttributeSet) : View(context, at
     private var backgroundBitmap: Bitmap? = null
 
     init {
-        mColor = context.config.primaryColor
+        mColor = context.getProperPrimaryColor()
         mPaint.apply {
             color = mColor
             style = Paint.Style.STROKE