Updates from Tue Mar 10

- [ReactNative] Make tests run on TravisCI | Alex Kotliarskyi
- [Relay] Update Relay + ES6 class containers | Christoph Pojer
- [React Native] Add RCTAdSupport.xcodeproj | Alexsander Akers
- [ReactNative][Android] Fix after a new React version was downstreamed | Philipp von Weitershausen
- [React Native] Add preliminary animation API | Alex Akers
- [ReactKit] Create test for OSS ReactKit | Alex Kotliarskyi
- [React Native][Device ID][wip] implement most basic js access | Alex Akers
- [ReactNative] OSS Picker | Spencer Ahrens
- [ReactNative] Fix typo in RCTUIManager | Tadeu Zagallo
- [ReactNative] Fix GeoLocation files letter case | Tadeu Zagallo
- Unified the method signature for addUIBlock: to further simplify porting ViewManagers | Nick Lockwood
- [ReactNative] Oss GeoMap | Tadeu Zagallo
- [ReactNative] OSS CameraRoll | Tadeu Zagallo
- [ReactNative] allowLossyConversion on NSString->NSData conversion | Andrew Rasmussen
- [React Native][RFC] Print __DEV__ value on app start | Alex Kotliarskyi

Libraries/Animation/AnimationMixin.js

@@ -0,0 +1,45 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule AnimationMixin
+ * @flow
+ */
+'use strict';
+
+var AnimationUtils = require('AnimationUtils');
+var { RCTAnimationManager } = require('NativeModules');
+
+var invariant = require('invariant');
+
+type EasingFunction = (t: number) => number;
+
+var AnimationMixin = {
+  getInitialState: function(): Object {
+    return {};
+  },
+
+  startAnimation: function(
+    refKey: string,
+    duration: number,
+    delay: number,
+    easing: (string | EasingFunction),
+    properties: {[key: string]: any}
+  ): number {
+    var ref = this.refs[refKey];
+    invariant(
+      ref,
+      'Invalid refKey ' + refKey + '; ' +
+      'valid refs: ' + JSON.stringify(Object.keys(this.refs))
+    );
+
+    var nodeHandle = +ref.getNodeHandle();
+    var easingSample = AnimationUtils.evaluateEasingFunction(duration, easing);
+    RCTAnimationManager.startAnimation(nodeHandle, AnimationUtils.allocateTag(), duration, delay, easingSample, properties);
+  },
+
+  stopAnimation: function(tag: number) {
+    RCTAnimationManager.stopAnimation(tag);
+  },
+};
+
+module.exports = AnimationMixin;