supports 0.20.0 ScrollResponder#scrollTo API

Author: jaysoo

examples/ListView/android/app/build.gradle

@@ -74,5 +74,5 @@ android {
 dependencies {
     compile fileTree(dir: "libs", include: ["*.jar"])
     compile "com.android.support:appcompat-v7:23.0.1"
-    compile "com.facebook.react:react-native:0.17.+"
+    compile "com.facebook.react:react-native:0.19.+"
 }

examples/ListView/package.json

@@ -6,7 +6,7 @@
     "start": "react-native start"
   },
   "dependencies": {
-    "react-native": "^0.19.0",
+    "react-native": "0.19.0",
     "react-native-parallax-scroll-view": "../../"
   }
 }

src/index.js

@@ -112,7 +112,14 @@ class ParallaxScrollView extends Component {
     return this.getScrollResponder().getInnerViewNode();
   }
   scrollTo(destY, destX) {
-    this.getScrollResponder().scrollTo({ x: destY, y: destX });
+    const sr = this.getScrollResponder();
+    // TODO: Remove this when RN 0.21.0 is released.
+    // This is to make ParallaxScrollView compatible with older RN versions.
+    if (sr.scrollTo.length === 2) {
+      this.getScrollResponder().scrollTo(destY, destX);
+    } else {
+      this.getScrollResponder().scrollTo({ x: destY, y: destX });
+    }
   }
   scrollWithoutAnimationTo(destY, destX) {
     this.getScrollResponder().scrollWithoutAnimationTo(destY, destX);