adding some status bar related improvements

commons/src/main/kotlin/com/simplemobiletools/commons/activities/BaseSimpleActivity.kt

@@ -240,8 +240,11 @@ abstract class BaseSimpleActivity : AppCompatActivity() {
                 materialScrollColorAnimation?.end()
 
                 val statusBarColor = getColoredMaterialStatusBarColor()
+                val contrastColor = statusBarColor.getContrastColor()
                 updateStatusbarColor(statusBarColor)
                 toolbar.setBackgroundColor(statusBarColor)
+                toolbar.setTitleTextColor(contrastColor)
+                toolbar.navigationIcon?.applyColorFilter(contrastColor)
             } else if (scrollY == 0 && oldScrollY > 0) {
                 val colorFrom = getColoredMaterialStatusBarColor()
                 val colorTo = getProperBackgroundColor()
@@ -249,8 +252,12 @@ abstract class BaseSimpleActivity : AppCompatActivity() {
                 materialScrollColorAnimation = ValueAnimator.ofObject(ArgbEvaluator(), colorFrom, colorTo)
                 materialScrollColorAnimation!!.addUpdateListener { animator ->
                     val color = animator.animatedValue as Int
+                    val contrastColor = color.getContrastColor()
                     window.statusBarColor = color
                     toolbar.setBackgroundColor(color)
+                    toolbar.setTitleTextColor(contrastColor)
+                    toolbar.navigationIcon?.applyColorFilter(contrastColor)
+                    updateStatusbarColor(color)
                 }
 
                 materialScrollColorAnimation!!.start()

commons/src/main/kotlin/com/simplemobiletools/commons/extensions/Context-styling.kt

@@ -42,12 +42,7 @@ fun Context.getColoredMaterialStatusBarColor(): Int {
     return if (baseConfig.isUsingSystemTheme) {
         resources.getColor(R.color.you_status_bar_color, theme)
     } else {
-        val properBackgroundColor = getProperBackgroundColor()
-        if (properBackgroundColor.getContrastColor() == DARK_GREY) {
-            getProperPrimaryColor().lightenColor(MATERIAL_COLOR_CHANGE_FACTOR)
-        } else {
-            getProperPrimaryColor().darkenColor(20)
-        }
+        getProperPrimaryColor()
     }
 }
 

commons/src/main/kotlin/com/simplemobiletools/commons/helpers/Constants.kt

@@ -48,9 +48,6 @@ const val LOWER_ALPHA = 0.25f
 const val MEDIUM_ALPHA = 0.5f
 const val HIGHER_ALPHA = 0.75f
 
-// by how much should we darken toolbar and statusbar at scrolling
-const val MATERIAL_COLOR_CHANGE_FACTOR = 35
-
 const val HOUR_MINUTES = 60
 const val DAY_MINUTES = 24 * HOUR_MINUTES
 const val WEEK_MINUTES = DAY_MINUTES * 7