docs: add example project

Author: Almouro

.npmignore

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+coverage
+node_modules
+Example

Example/.babelrc

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+{
+  "presets": ["module:metro-react-native-babel-preset"]
+}

Example/.buckconfig

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+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

Example/.flowconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore unexpected extra "@providesModule"
+.*/node_modules/.*/node_modules/fbjs/.*
+
+; Ignore duplicate module providers
+; For RN Apps installed via npm, "Libraries" folder is inside
+; "node_modules/react-native" but in the source repo it is in the root
+.*/Libraries/react-native/React.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
+
+; Ignore metro
+.*/node_modules/metro/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+node_modules/react-native/flow-github/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+module.system=haste
+module.system.haste.use_name_reducers=true
+# get basename
+module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
+# strip .js or .js.flow suffix
+module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
+# strip .ios suffix
+module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
+module.system.haste.paths.blacklist=.*/__tests__/.*
+module.system.haste.paths.blacklist=.*/__mocks__/.*
+module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
+module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
+
+munge_underscores=true
+
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
+
+module.file_ext=.js
+module.file_ext=.jsx
+module.file_ext=.json
+module.file_ext=.native.js
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.78.0

Example/.gitattributes

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+*.pbxproj -text

Example/.gitignore

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+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle

Example/.watchmanconfig

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+{}

Example/DatePicker.js

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+import React from "react";
+import DisableKeyboard from "react-native-formik/src/withPickerValues/DisableKeyboard";
+import DateTimePicker from "react-native-modal-datetime-picker";
+import { TextField as MaterialTextInput } from "react-native-material-textfield";
+import { format } from "date-fns";
+
+class DatePicker extends React.PureComponent {
+  state = {
+    pickerOpened: false
+  };
+
+  focus = () => this.openPicker();
+
+  openPicker = () => {
+    this.setState({ pickerOpened: true });
+  };
+
+  closePicker = () =>
+    this.setState({ pickerOpened: false }, () => {
+      this.props.setFieldTouched();
+    });
+
+  handleDatePicked = value => {
+    this.props.setFieldValue(value);
+    this.closePicker();
+    if (this.props.onSubmitEditing) this.props.onSubmitEditing();
+  };
+
+  render() {
+    return (
+      <React.Fragment>
+        <DisableKeyboard onPress={this.openPicker}>
+          <MaterialTextInput
+            {...this.props}
+            value={
+              this.props.value
+                ? format(this.props.value, "DD/MM/YYYY")
+                : undefined
+            }
+          />
+        </DisableKeyboard>
+        <DateTimePicker
+          isVisible={this.state.pickerOpened}
+          onConfirm={this.handleDatePicked}
+          onCancel={this.closePicker}
+          {...this.props}
+        />
+      </React.Fragment>
+    );
+  }
+}
+
+export default DatePicker;

Example/Form.js

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+import React from "react";
+import { Button, Text, ScrollView } from "react-native";
+import { Formik } from "formik";
+import { compose } from "recompose";
+import {
+  handleTextInput,
+  withNextInputAutoFocusForm,
+  withNextInputAutoFocusInput,
+  withFormikControl
+} from "react-native-formik";
+import { TextField } from "react-native-material-textfield";
+import * as Yup from "yup";
+import DatePicker from "./DatePicker";
+import Switch from "./Switch";
+
+const MyInput = compose(
+  handleTextInput,
+  withNextInputAutoFocusInput
+)(TextField);
+const Form = withNextInputAutoFocusForm(ScrollView, {
+  submitAfterLastInput: false
+});
+const FocusedDatePicker = compose(
+  withFormikControl,
+  withNextInputAutoFocusInput
+)(DatePicker);
+
+const validationSchema = Yup.object().shape({
+  email: Yup.string()
+    .required()
+    .email(),
+  password: Yup.string()
+    .required()
+    .min(6, "Too short"),
+  star: Yup.boolean()
+    .required()
+    .oneOf([true])
+});
+
+export default () => (
+  <Formik
+    onSubmit={values => alert(JSON.stringify(values, null, 2))}
+    validationSchema={validationSchema}
+    initialValues={{ star: true }}
+  >
+    {props => {
+      return (
+        <Form style={{ padding: 10 }}>
+          <MyInput label="Email" name="email" type="email" />
+          <MyInput label="Password" name="password" type="password" />
+          <Switch
+            label="If you like the repo, have you starred it 😁?"
+            name="star"
+          />
+          <DatePicker label="Birthday" name="birthday" />
+
+          <Button onPress={props.handleSubmit} title="SUBMIT" />
+          <Text>{JSON.stringify(props, null, 2)}</Text>
+        </Form>
+      );
+    }}
+  </Formik>
+);