Fabian Eichinger d43e0db81e Add support for reverse flex directions on Android and iOS
Summary:
This PR adds support for both 'row-reverse' and 'column-reverse' for Android and iOS and is based on the changes in #6683 that looked like it's all but abandoned.
It also adds examples for the new directions to the "Layout - Flexbox" section of UIExplorer as well as some rad new colors to the section to make the difference between "row-reverse" and "flex-end" more apparent.

**Test plan (required)**
Tested inside of UIExplorer

Android
<img width="571" alt="screen shot 2016-06-05 at 7 42 14 pm" src="https://cloud.githubusercontent.com/assets/4332237/15807140/cf8e05de-2b55-11e6-9366-a2e3194cabf8.png">

iOS
<img width="578" alt="screen shot 2016-06-05 at 7 41 35 pm" src="https://cloud.githubusercontent.com/assets/4332237/15807143/dee8e9b8-2b55-11e6-8777-c30329fa54e8.png">
Closes https://github.com/facebook/react-native/pull/7938

Differential Revision: D3417182

fbshipit-source-id: e8c9f5976ca95b2d2069a5b31a20f6d6309eb3cc
2016-06-10 03:28:45 -07:00
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UIExplorer

The UIExplorer is a sample app that showcases React Native views and modules.

Running this app

Before running the app, make sure you ran:

git clone https://github.com/facebook/react-native.git
cd react-native
npm install

Running on iOS

Mac OS and Xcode are required.

  • Open Examples/UIExplorer/UIExplorer.xcodeproj in Xcode
  • Hit the Run button

See Running on device if you want to use a physical device.

Running on Android

You'll need to have all the prerequisites (SDK, NDK) for Building React Native installed.

Start an Android emulator (Genymotion is recommended).

cd react-native
./gradlew :Examples:UIExplorer:android:app:installDebug
./packager/packager.sh

Note: Building for the first time can take a while.

Open the UIExplorer app in your emulator.

See Running on Device in case you want to use a physical device.

Running with Buck

Follow the same setup as running with gradle.

Install Buck from here.

Run the following commands from the react-native folder:

./gradlew :ReactAndroid:packageReactNdkLibsForBuck
buck fetch uiexplorer
buck install -r uiexplorer
./packager/packager.sh

Note: The native libs are still built using gradle. Full build with buck is coming soon(tm).

Built from source

Building the app on both iOS and Android means building the React Native framework from source. This way you're running the latest native and JS code the way you see it in your clone of the github repo.

This is different from apps created using react-native init which have a dependency on a specific version of React Native JS and native code, declared in a package.json file (and build.gradle for Android apps).