feat: Add readOnly prop to TextInput

Author: gabrieldonadel

Libraries/Components/TextInput/TextInput.js

@@ -532,6 +532,13 @@ export type Props = $ReadOnly<{|
    */
   editable?: ?boolean,
 
+  /** `readOnly` works like the `readonly` attribute in HTML.
+   *  If `true`, text is not editable. The default value is `false`.
+   *  See https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/readonly
+   *  for more details.
+   */
+  readOnly?: ?boolean,
+
   forwardedRef?: ?ReactRefSetter<
     React.ElementRef<HostComponent<mixed>> & ImperativeMethods,
   >,
@@ -1381,6 +1388,7 @@ const ExportedForwardRef: React.AbstractComponent<
     allowFontScaling = true,
     rejectResponderTermination = true,
     underlineColorAndroid = 'transparent',
+    readOnly = false,
     ...restProps
   },
   forwardedRef: ReactRefSetter<
@@ -1392,6 +1400,7 @@ const ExportedForwardRef: React.AbstractComponent<
       allowFontScaling={allowFontScaling}
       rejectResponderTermination={rejectResponderTermination}
       underlineColorAndroid={underlineColorAndroid}
+      editable={!readOnly}
       {...restProps}
       forwardedRef={forwardedRef}
     />

packages/rn-tester/js/examples/TextInput/TextInputExample.android.js

@@ -347,6 +347,35 @@ exports.examples = ([
       );
     },
   },
+  {
+    title: 'Editable and Read only',
+    render: function (): React.Node {
+      return (
+        <View>
+          <TextInput
+            placeholder="editable text input using editable prop"
+            style={styles.default}
+            editable
+          />
+          <TextInput
+            placeholder="uneditable text input using editable prop"
+            style={styles.default}
+            editable={false}
+          />
+          <TextInput
+            placeholder="editable text input using readOnly prop"
+            style={styles.default}
+            readOnly={false}
+          />
+          <TextInput
+            placeholder="uneditable text input using readOnly prop"
+            style={styles.default}
+            readOnly
+          />
+        </View>
+      );
+    },
+  },
   {
     title: 'Fixed number of lines',
     platform: 'android',

packages/rn-tester/js/examples/TextInput/TextInputExample.ios.js

@@ -621,6 +621,35 @@ exports.examples = ([
       );
     },
   },
+  {
+    title: 'Editable and Read only',
+    render: function (): React.Node {
+      return (
+        <View>
+          <TextInput
+            placeholder="editable text input using editable prop"
+            style={styles.default}
+            editable
+          />
+          <TextInput
+            placeholder="uneditable text input using editable prop"
+            style={styles.default}
+            editable={false}
+          />
+          <TextInput
+            placeholder="editable text input using readOnly prop"
+            style={styles.default}
+            readOnly={false}
+          />
+          <TextInput
+            placeholder="uneditable text input using readOnly prop"
+            style={styles.default}
+            readOnly
+          />
+        </View>
+      );
+    },
+  },
   {
     title: 'TextInput Intrinsic Size',
     render: function (): React.Node {