add mini sample

Author: zihejia

Samples/MiniSample/.buckconfig

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

Samples/MiniSample/.editorconfig

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+# Windows files
+[*.bat]
+end_of_line = crlf

Samples/MiniSample/.eslintrc.js

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+module.exports = {
+  root: true,
+  extends: '@react-native-community',
+};

Samples/MiniSample/.flowconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore polyfills
+node_modules/react-native/Libraries/polyfills/.*
+
+; Flow doesn't support platforms
+.*/Libraries/Utilities/LoadingView.js
+
+[untyped]
+.*/node_modules/@react-native-community/cli/.*/.*
+
+[include]
+
+[libs]
+node_modules/react-native/interface.js
+node_modules/react-native/flow/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+exact_by_default=true
+
+module.file_ext=.js
+module.file_ext=.json
+module.file_ext=.ios.js
+
+munge_underscores=true
+
+module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/node_modules/react-native/\1'
+module.name_mapper='^@?[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/Image/RelativeImageStub'
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+[lints]
+sketchy-null-number=warn
+sketchy-null-mixed=warn
+sketchy-number=warn
+untyped-type-import=warn
+nonstrict-import=warn
+deprecated-type=warn
+unsafe-getters-setters=warn
+unnecessary-invariant=warn
+signature-verification-failure=warn
+
+[strict]
+deprecated-type
+nonstrict-import
+sketchy-null
+unclear-type
+unsafe-getters-setters
+untyped-import
+untyped-type-import
+
+[version]
+^0.137.0

Samples/MiniSample/.gitattributes

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+# Windows files should use crlf line endings
+# https://help.github.com/articles/dealing-with-line-endings/
+*.bat text eol=crlf

Samples/MiniSample/.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
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+!debug.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
+
+# CocoaPods
+/ios/Pods/

Samples/MiniSample/.prettierrc.js

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+module.exports = {
+  bracketSpacing: false,
+  jsxBracketSameLine: true,
+  singleQuote: true,
+  trailingComma: 'all',
+  arrowParens: 'avoid',
+};

Samples/MiniSample/.watchmanconfig

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+{}

Samples/MiniSample/App.js

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+import React, { Component } from 'react';
+import { Button, SafeAreaView } from "react-native";
+import { Mixpanel } from 'mixpanel-react-native';
+
+const mixpanel = new Mixpanel("Your Project Token");
+mixpanel.init();
+
+// Function Component
+const SampleApp = () => {
+  return (
+    <SafeAreaView>
+      <Button
+        title="Select Premium Plan"
+        onPress={() => mixpanel.track("Plan Selected", {"Plan": "Premium"})}
+      />
+    </SafeAreaView>
+  );
+}
+
+export default SampleApp;
+
+// Class Component
+// class SampleApp extends Component {
+//   render() {
+//     return (
+//       <SafeAreaView>
+//         <Button
+//           title="Select Premium Plan"
+//           onPress={() => mixpanel.track("Plan Selected", {"Plan": "Premium"})}
+//         />
+//       </SafeAreaView>
+//     );    
+//   }
+// }
+
+// export default SampleApp;

Samples/MiniSample/__tests__/App-test.js

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+/**
+ * @format
+ */
+
+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+import renderer from 'react-test-renderer';
+
+it('renders correctly', () => {
+  renderer.create(<App />);
+});