From 2c04c79d517356089cea5b8d699755f0eebe0501 Mon Sep 17 00:00:00 2001
From: Marc Shilling <marc@chalkchisel.com>
Date: Tue, 12 Apr 2016 17:00:56 -0400
Subject: [PATCH] Add function performLinearAnimation

---
 src/AnimatedCircularProgress.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/AnimatedCircularProgress.js b/src/AnimatedCircularProgress.js
index 8e6238c..0a7333f 100644
--- a/src/AnimatedCircularProgress.js
+++ b/src/AnimatedCircularProgress.js
@@ -33,6 +33,13 @@ export default class AnimatedCircularProgress extends React.Component {
       }
     ).start();
   }
+  
+  performLinearAnimation(toValue, duration) {
+    Animated.timing(this.state.chartFillAnimation, {
+      toValue: toValue,
+      duration: duration
+    }).start();
+  }
 
   render() {
     const { fill, prefill, ...other } = this.props;
@@ -49,7 +56,7 @@ export default class AnimatedCircularProgress extends React.Component {
 AnimatedCircularProgress.propTypes = {
   style: View.propTypes.style,
   size: PropTypes.number.isRequired,
-  fill: PropTypes.number.isRequired,
+  fill: PropTypes.number,
   prefill: PropTypes.number,
   width: PropTypes.number.isRequired,
   tintColor: PropTypes.string,