Remove ColorAndroid function as it adds no value over PlatfromColor (#28577)

Summary:
This change removes the `ColorAndroid` API.   It was added more as a validation tool than as something useful to a developer.   When making the original [PlatformColor PR](#27908) we felt it was valuable and useful to have working platform specific methods for the two platforms in core to test that the pattern worked in app code (PlatformColorExample.js in RNTester) and that the Flow validation worked, etc.    Practically `PlatformColor()` is more useful to a developer on Android than `ColorAndroid()`.    Now that the construct has served its purpose, this PR removes the `ColorAndroid` function and its related tests and other collateral.

## Changelog

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[Android] [Removed] - Remove ColorAndroid function as it adds no value over PlatfromColor
Pull Request resolved: #28577

Test Plan: RNTester in both iOS and Android was tested.   Jest tests, Flow checks, Lint checks all pass.

Reviewed By: cpojer

Differential Revision: D20952613

Pulled By: TheSavior

fbshipit-source-id: 7d2cbaa2a347fffe59a1f3a26a210676008fdac0

Author: tom-un

Libraries/StyleSheet/PlatformColorValueTypes.android.js

@@ -21,10 +21,6 @@ export const PlatformColor = (...names: Array<string>): ColorValue => {
   return {resource_paths: names};
 };
 
-export const ColorAndroidPrivate = (color: string): ColorValue => {
-  return {resource_paths: [color]};
-};
-
 export const normalizeColorObject = (
   color: NativeColorValue,
 ): ?ProcessedColorValue => {

Libraries/StyleSheet/PlatformColorValueTypesAndroid.android.js

@@ -13,14 +13,7 @@
 const React = require('react');
 const ReactNative = require('react-native');
 import Platform from '../../../../Libraries/Utilities/Platform';
-const {
-  ColorAndroid,
-  DynamicColorIOS,
-  PlatformColor,
-  StyleSheet,
-  Text,
-  View,
-} = ReactNative;
+const {DynamicColorIOS, PlatformColor, StyleSheet, Text, View} = ReactNative;
 
 function PlatformColorsExample() {
   function createTable() {
@@ -263,40 +256,22 @@ function DynamicColorsExample() {
   );
 }
 
-function AndroidColorsExample() {
-  return Platform.OS === 'android' ? (
-    <View style={styles.column}>
-      <View style={styles.row}>
-        <Text style={styles.labelCell}>ColorAndroid('?attr/colorAccent')</Text>
-        <View
-          style={{
-            ...styles.colorCell,
-            backgroundColor: ColorAndroid('?attr/colorAccent'),
-          }}
-        />
-      </View>
-    </View>
-  ) : (
-    <Text style={styles.labelCell}>Not applicable on this platform</Text>
-  );
-}
-
 function VariantColorsExample() {
   return (
     <View style={styles.column}>
       <View style={styles.row}>
         <Text style={styles.labelCell}>
           {Platform.OS === 'ios'
             ? "DynamicColorIOS({light: 'red', dark: 'blue'})"
-            : "ColorAndroid('?attr/colorAccent')"}
+            : "PlatformColor('?attr/colorAccent')"}
         </Text>
         <View
           style={{
             ...styles.colorCell,
             backgroundColor:
               Platform.OS === 'ios'
                 ? DynamicColorIOS({light: 'red', dark: 'blue'})
-                : ColorAndroid('?attr/colorAccent'),
+                : PlatformColor('?attr/colorAccent'),
           }}
         />
       </View>
@@ -340,12 +315,6 @@ exports.examples = [
       return <DynamicColorsExample />;
     },
   },
-  {
-    title: 'Android Colors',
-    render(): React.Element<any> {
-      return <AndroidColorsExample />;
-    },
-  },
   {
     title: 'Variant Colors',
     render(): React.Element<any> {

Libraries/StyleSheet/PlatformColorValueTypesAndroid.js

@@ -95,7 +95,6 @@ import typeof Platform from './Libraries/Utilities/Platform';
 import typeof processColor from './Libraries/StyleSheet/processColor';
 import typeof {PlatformColor} from './Libraries/StyleSheet/PlatformColorValueTypes';
 import typeof {DynamicColorIOS} from './Libraries/StyleSheet/PlatformColorValueTypesIOS';
-import typeof {ColorAndroid} from './Libraries/StyleSheet/PlatformColorValueTypesAndroid';
 import typeof RootTagContext from './Libraries/ReactNative/RootTagContext';
 import typeof DeprecatedColorPropType from './Libraries/DeprecatedPropTypes/DeprecatedColorPropType';
 import typeof DeprecatedEdgeInsetsPropType from './Libraries/DeprecatedPropTypes/DeprecatedEdgeInsetsPropType';
@@ -463,10 +462,6 @@ module.exports = {
     return require('./Libraries/StyleSheet/PlatformColorValueTypesIOS')
       .DynamicColorIOS;
   },
-  get ColorAndroid(): ColorAndroid {
-    return require('./Libraries/StyleSheet/PlatformColorValueTypesAndroid')
-      .ColorAndroid;
-  },
   get requireNativeComponent(): <T>(
     uiViewClassName: string,
   ) => HostComponent<T> {

RNTester/js/examples/PlatformColor/PlatformColorExample.js

@@ -22,7 +22,6 @@ eslintTester.run('../platform-colors', rule, {
     "const color = PlatformColor('controlAccentColor', 'controlColor');",
     "const color = DynamicColorIOS({light: 'black', dark: 'white'});",
     "const color = DynamicColorIOS({light: PlatformColor('black'), dark: PlatformColor('white')});",
-    "const color = ColorAndroid('?attr/colorAccent')",
   ],
   invalid: [
     {
@@ -49,14 +48,5 @@ eslintTester.run('../platform-colors', rule, {
         "const white = 'white'; const color = DynamicColorIOS({light: 'black', dark: white});",
       errors: [{message: rule.meta.messages.dynamicColorIOSDark}],
     },
-    {
-      code: 'const color = ColorAndroid();',
-      errors: [{message: rule.meta.messages.colorAndroidArg}],
-    },
-    {
-      code:
-        "const colorAccent = '?attr/colorAccent'; const color = ColorAndroid(colorAccent);",
-      errors: [{message: rule.meta.messages.colorAndroidArg}],
-    },
   ],
 });

index.js

@@ -12,7 +12,7 @@ module.exports = {
     type: 'problem',
     docs: {
       description:
-        'Ensure that PlatformColor(), DynamicColorIOS(), and ColorAndroid() are passed literals of the expected shape.',
+        'Ensure that PlatformColor() and DynamicColorIOS() are passed literals of the expected shape.',
     },
     messages: {
       platformColorArgsLength:
@@ -25,8 +25,6 @@ module.exports = {
         'DynamicColorIOS() light value must be either a literal or a PlatformColor() call.',
       dynamicColorIOSDark:
         'DynamicColorIOS() dark value must be either a literal or a PlatformColor() call.',
-      colorAndroidArg:
-        'ColorAndroid() must take a single argument that is a literal.',
     },
     schema: [],
   },
@@ -103,15 +101,6 @@ module.exports = {
             });
             return;
           }
-        } else if (node.callee.name === 'ColorAndroid') {
-          const args = node.arguments;
-          if (!(args.length === 1 && args[0].type === 'Literal')) {
-            context.report({
-              node,
-              messageId: 'colorAndroidArg',
-            });
-            return;
-          }
         }
       },
     };