Nick Lockwood 481f560f64 Added support for auto-resizing text fields
Summary:
public
This diff adds support for auto-resizing multiline text fields. This has been a long-requested feature, with several native solutions having been proposed (see https://github.com/facebook/react-native/pull/1229 and D2846915).

Rather than making this a feature of the native component, this diff simply exposes some extra information in the `onChange` event that makes it easy to implement this in pure JS code. I think this is preferable, since it's simpler, works cross-platform, and avoids any controversy about what the API should look like, or how the props should be named. It also makes it easier to implement custom min/max-height logic.

Reviewed By: sahrens

Differential Revision: D2849889

fb-gh-sync-id: d9ddf4ba4037d388dac0558aa467d958300aa691
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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.

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).