diff --git a/README.md b/README.md
index 41d95042405083637770293055744666cf9af9ec..8a8402a563dd5f4fcdb8a686e86e1446619003d3 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,6 @@ A Native Picker with high performance.
 
 pure javascript version -> [v3.0.5](https://github.com/beefe/react-native-picker/tree/pure-javascript-version)
 
-
-![ui](./doc/ui.gif)
-
 ![ui2](./doc/ui2.jpg)
 
 ###Documentation
diff --git a/doc/ui.gif b/doc/ui.gif
deleted file mode 100644
index 7fb0a8315d2f4ef48c7c58e0a763c16fb77e80b0..0000000000000000000000000000000000000000
Binary files a/doc/ui.gif and /dev/null differ
diff --git a/doc/ui2.jpg b/doc/ui2.jpg
index 610c07416f809902fbe1ed7df120e6422345af2e..7a0759e9219f6176c081f642b6b2c67b29ef643c 100644
Binary files a/doc/ui2.jpg and b/doc/ui2.jpg differ
diff --git a/example/PickerTest/index.js b/example/PickerTest/index.js
index 3b2617738217c5100b2464b80ae93ac9869f51a0..0ed227f9079d75a9e05f444795b120f7cf798cf2 100644
--- a/example/PickerTest/index.js
+++ b/example/PickerTest/index.js
@@ -110,6 +110,16 @@ export default class PickerTest extends Component {
         });
     }
 
+    _toggle() {
+        Picker.toggle();
+    }
+
+    _isPickerShow(){
+        Picker.isPickerShow(status => {
+            alert(status);
+        });
+    }
+
     render() {
         return (
             <View style={{height: Dimensions.get('window').height}}>
@@ -119,6 +129,12 @@ export default class PickerTest extends Component {
                 <TouchableOpacity style={{marginTop: 10, marginLeft: 20}} onPress={this._showAreaPicker.bind(this)}>
                     <Text>AreaPicker</Text>
                 </TouchableOpacity>
+                <TouchableOpacity style={{marginTop: 10, marginLeft: 20}} onPress={this._toggle.bind(this)}>
+                    <Text>toggle</Text>
+                </TouchableOpacity>
+                <TouchableOpacity style={{marginTop: 10, marginLeft: 20}} onPress={this._isPickerShow.bind(this)}>
+                    <Text>isPickerShow</Text>
+                </TouchableOpacity>
             </View>
         );
     }
diff --git a/index.js b/index.js
index ece6ad40b9e59a6952036d2112c9827098321874..378221c49056c39d73ff970a3c78377d81762fec 100644
--- a/index.js
+++ b/index.js
@@ -67,8 +67,9 @@ export default {
     },
 
     isPickerShow(fn){
-        Picker.isPickerShow(hide => {
-            fn(!hide);
+        //android return show or not, ios return hide or not...
+        Picker.isPickerShow(status => {
+            fn(android ? status : !status);
         });
     }
 };
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