From 44a579f3e0fc73b2ef7c4b28875d6c4027d071b4 Mon Sep 17 00:00:00 2001
From: Libin Lu <llu@evolenthealth.com>
Date: Wed, 5 Apr 2017 14:15:43 -0400
Subject: [PATCH 1/2] add measure function into ui manager

---
 types/react-native/index.d.ts | 51 +++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index e282f17191..f907e13481 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -7156,6 +7156,57 @@ export interface UIManagerStatic {
             quality ?: number,
         }
     ) => Promise<string>
+                              
+    /**
+     * Determines the location on screen, width, and height of the given view and
+     * returns the values via an async callback. If successful, the callback will
+     * be called with the following arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *  - pageX
+     *  - pageY
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native. If you need the measurements as soon as
+     * possible, consider using the [`onLayout`
+     * prop](docs/view.html#onlayout) instead.
+     */
+    measure(node: number, callback: MeasureOnSuccessCallback): void;
+
+    /**
+     * Determines the location of the given view in the window and returns the
+     * values via an async callback. If the React root view is embedded in
+     * another native view, this will give you the absolute coordinates. If
+     * successful, the callback will be called with the following
+     * arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native.
+     */
+    measureInWindow(node: number, callback: MeasureInWindowOnSuccessCallback): void;
+
+    /**
+     * Like [`measure()`](#measure), but measures the view relative an ancestor,
+     * specified as `relativeToNativeNode`. This means that the returned x, y
+     * are relative to the origin x, y of the ancestor view.
+     *
+     * As always, to obtain a native node handle for a component, you can use
+     * `React.findNodeHandle(component)`.
+     */
+    measureLayout(
+        node: number,
+        relativeToNativeNode: number,
+        onSuccess: MeasureLayoutOnSuccessCallback,
+        onFail: () => void /* currently unused */
+    ): void;
 }
 
 export interface SwitchPropertiesIOS extends ViewProperties, React.Props<SwitchStatic> {

From 1bf9a4e75f728e3164a6a841ecd8cef986699f19 Mon Sep 17 00:00:00 2001
From: Libin Lu <llu@evolenthealth.com>
Date: Wed, 5 Apr 2017 16:54:07 -0400
Subject: [PATCH 2/2] Update index.d.ts

---
 types/react-native/index.d.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index f907e13481..677cd6bb26 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -7156,7 +7156,7 @@ export interface UIManagerStatic {
             quality ?: number,
         }
     ) => Promise<string>
-                              
+
     /**
      * Determines the location on screen, width, and height of the given view and
      * returns the values via an async callback. If successful, the callback will
@@ -7204,8 +7204,8 @@ export interface UIManagerStatic {
     measureLayout(
         node: number,
         relativeToNativeNode: number,
-        onSuccess: MeasureLayoutOnSuccessCallback,
-        onFail: () => void /* currently unused */
+        onFail: () => void, /* currently unused */
+        onSuccess: MeasureLayoutOnSuccessCallback
     ): void;
 }