Set FAB tint based on accent

src/main/res/layout/fragment_task_list.xml

@@ -46,7 +46,7 @@
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/fab"
         android:src="@drawable/ic_add_24dp"
-        android:tint="@android:color/white"
+        android:tint="?attr/fab_text"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="end|bottom"

src/main/res/values/attrs.xml

@@ -16,6 +16,7 @@
     <attr name="dark_status_bar" format="boolean" />
     <attr name="alpha_secondary" format="dimension" />
     <attr name="alpha_disabled" format="dimension" />
+    <attr name="fab_text" format="color" />
 
     <declare-styleable name="TimePreference">
         <attr name="summary" format="string" />

src/main/res/values/styles.xml

@@ -50,6 +50,14 @@
         <item name="actionBarSecondaryText">@color/black_54</item>
     </style>
 
+    <style name="WhiteTint">
+        <item name="fab_text">@color/white_100</item>
+    </style>
+
+    <style name="BlackTint">
+        <item name="fab_text">@color/black_87</item>
+    </style>
+
     <style name="WhiteToolbarOverlay" parent="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
         <!--<item name="android:textColorPrimary">@color/white_100</item>-->
         <item name="colorControlNormal">@color/white_100</item>

src/main/res/values/theme_amber.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/amber_700</item>
     </style>
 
-    <style name="AmberAccent">
+    <style name="AmberAccent" parent="BlackTint">
         <item name="colorAccent">@color/amber_a400</item>
     </style>
 

src/main/res/values/theme_blue.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/blue_700</item>
     </style>
 
-    <style name="BlueAccent">
+    <style name="BlueAccent" parent="WhiteTint">
         <item name="colorAccent">@color/blue_a400</item>
     </style>
 

src/main/res/values/theme_blue_grey.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/blue_grey_700</item>
     </style>
 
-    <style name="BlueGreyAccent">
+    <style name="BlueGreyAccent" parent="WhiteTint">
         <item name="colorAccent">@color/blue_grey_400</item>
     </style>
 

src/main/res/values/theme_cyan.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/cyan_700</item>
     </style>
 
-    <style name="CyanAccent">
+    <style name="CyanAccent" parent="BlackTint">
         <item name="colorAccent">@color/cyan_a400</item>
     </style>
 

src/main/res/values/theme_deep_orange.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/deep_orange_700</item>
     </style>
 
-    <style name="DeepOrangeAccent">
+    <style name="DeepOrangeAccent" parent="WhiteTint">
         <item name="colorAccent">@color/deep_orange_a400</item>
     </style>
 

src/main/res/values/theme_deep_purple.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/deep_purple_700</item>
     </style>
 
-    <style name="DeepPurpleAccent">
+    <style name="DeepPurpleAccent" parent="WhiteTint">
         <item name="colorAccent">@color/deep_purple_a400</item>
     </style>
 

src/main/res/values/theme_green.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/green_700</item>
     </style>
 
-    <style name="GreenAccent">
+    <style name="GreenAccent" parent="BlackTint">
         <item name="colorAccent">@color/green_a400</item>
     </style>
 

src/main/res/values/theme_indigo.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/indigo_700</item>
     </style>
 
-    <style name="IndigoAccent">
+    <style name="IndigoAccent" parent="WhiteTint">
         <item name="colorAccent">@color/indigo_a400</item>
     </style>
 

src/main/res/values/theme_light_blue.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/light_blue_700</item>
     </style>
 
-    <style name="LightBlueAccent">
+    <style name="LightBlueAccent" parent="BlackTint">
         <item name="colorAccent">@color/light_blue_a400</item>
     </style>
 

src/main/res/values/theme_light_green.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/light_green_700</item>
     </style>
 
-    <style name="LightGreenAccent">
+    <style name="LightGreenAccent" parent="BlackTint">
         <item name="colorAccent">@color/light_green_a400</item>
     </style>
 

src/main/res/values/theme_lime.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/lime_700</item>
     </style>
 
-    <style name="LimeAccent">
+    <style name="LimeAccent" parent="BlackTint">
         <item name="colorAccent">@color/lime_a400</item>
     </style>
 

src/main/res/values/theme_orange.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/orange_700</item>
     </style>
 
-    <style name="OrangeAccent">
+    <style name="OrangeAccent" parent="BlackTint">
         <item name="colorAccent">@color/orange_a400</item>
     </style>
 

src/main/res/values/theme_pink.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/pink_700</item>
     </style>
 
-    <style name="PinkAccent">
+    <style name="PinkAccent" parent="WhiteTint">
         <item name="colorAccent">@color/pink_a400</item>
     </style>
 

src/main/res/values/theme_purple.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/purple_700</item>
     </style>
 
-    <style name="PurpleAccent">
+    <style name="PurpleAccent" parent="WhiteTint">
         <item name="colorAccent">@color/purple_a400</item>
     </style>
 

src/main/res/values/theme_red.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/red_700</item>
     </style>
 
-    <style name="RedAccent">
+    <style name="RedAccent" parent="WhiteTint">
         <item name="colorAccent">@color/red_a400</item>
     </style>
 

src/main/res/values/theme_teal.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/teal_700</item>
     </style>
 
-    <style name="TealAccent">
+    <style name="TealAccent" parent="BlackTint">
         <item name="colorAccent">@color/teal_a400</item>
     </style>
 

src/main/res/values/theme_yellow.xml

@@ -6,7 +6,7 @@
         <item name="colorPrimaryDark">@color/yellow_700</item>
     </style>
 
-    <style name="YellowAccent">
+    <style name="YellowAccent" parent="BlackTint">
         <item name="colorAccent">@color/yellow_a400</item>
     </style>