native picker

README.md

@@ -2,13 +2,7 @@
 
 [![npm version](https://img.shields.io/npm/v/react-native-picker.svg?style=flat-square)](https://www.npmjs.com/package/react-native-picker) <a href="https://david-dm.org/beefe/react-native-picker"><img src="https://david-dm.org/beefe/react-native-picker.svg?style=flat-square" alt="dependency status"></a>  
 
-A Picker written in pure javascript for cross-platform support.
-
-It was most likely an example of how to build a cross-platform Picker Component use [react-native-picker-android](https://github.com/beefe/react-native-picker-android).
-
-###Warn
-if 0.14.2 <= react-native <=0.24 `npm install react-native-picker@2.0.5 --save`  
-if 0.24 < react-native `npm install react-native-picker --save`
+A Native Picker with high performance
 
 ####Demo
 
@@ -23,21 +17,19 @@ if 0.24 < react-native `npm install react-native-picker --save`
 ###Documentation
 
 ####Props
-- <b>style</b> style of picker, you can set width and height of picker in this prop
-- <b>pickerElevation</b> elevation of picker (for issue https://github.com/beefe/react-native-picker/issues/27)
-- <b>pickerBtnText</b> string, tool bar's confirm btn text
-- <b>pickerCancelBtnText</b> string, tool bar's cancel ben text
-- <b>pickerBtnStyle</b> textStylePropType, tool bar's btn style
-- <b>pickerToolBarStyle</b> viewStylePropType, tool bar's style
-- <b>showDuration</b> number, animation of picker
-- <b>showMask</b> boolean, default to be false, cancel the picker by tapping in the rest of the screen support when setted to be true
-- <b>pickerTitle</b> string, title of picker
-- <b>pickerTitleStyle</b> textStylePropType, style of title
-- <b>pickerData</b> array
-- <b>selectedValue</b> any
-- <b>onPickerDone</b> function
-- <b>onPickerCancel</b> function
-- <b>onValueChange</b> function
+- <b>pickerConfirmBtnText</b> string, 确认按钮文字
+- <b>pickerCancelBtnText</b> string, 取消按钮文字
+- <b>pickerTitleText</b> string, 标题文字
+- <b>pickerConfirmBtnColor</b> ['255', '66', '00', 0.5],  确认按钮字体颜色
+- <b>pickerCancelBtnColor</b> ['255', '66', '00', 0.5],  取消按钮字体颜色
+- <b>pickerTitleColor</b> ['255', '66', '00', 0.5],  标题字体颜色
+- <b>pickerToolBarBg</b> ['255', '66', '00', 0.5],  工具栏背景颜色
+- <b>pickerBg</b> ['255', '66', '00', 0.5],  picker背景颜色
+- <b>pickerData</b> 数组或对象，picker数据
+- <b>selectedValue</b> string，默认选中数据
+- <b>onPickerConfirm</b> function，确认按钮回调
+- <b>onPickerCancel</b> function，取消按钮回调
+- <b>onPickerSelect</b> function，滚轮滚动时回调
 
 ####Methods
 - <b>toggle</b> show or hide picker, default to be hiden
@@ -53,21 +45,37 @@ if 0.24 < react-native `npm install react-native-picker --save`
 	npm install react-native-picker --save
 ```
 
-####Step 2 - import and use in project
+####Step 2 - link
+
+```
+	react-native link
+```
+
+####Step 3 - import and use in project
 
 ```javascript
-	import Picker from 'react-native-picker'
+	import Picker from 'react-native-picker';
+
+	let data = [];
+    for(var i=0;i<100;i++){
+        data.push(i);
+    }
+
+    Picker.init({
+        pickerData: data,
+        selectedValue: [59],
+        onPickerConfirm: data => {
+            console.log(data);
+        },
+        onPickerCancel: data => {
+            console.log(data);
+        },
+        onPickerSelect: data => {
+            console.log(data);
+        }
+    });
+    Picker.show();
 	
-	<Picker
-		style={{
-			height: 300
-		}}
-		showDuration={300}
-		showMask={true}
-		pickerData={}//picker`s value List
-		selectedValue={}//default to be selected value
-		onPickerDone={}//when confirm your choice
-	/>
 ```
 
 ###Notice
@@ -104,11 +112,9 @@ if 0.24 < react-native `npm install react-native-picker --save`
 
 ```javascript
 	pickerData = {
-		{
-			a: [1,2,3,4],
-			b: [5,6,7,8],
-			...
-		}
+		a: [1,2,3,4],
+		b: [5,6,7,8],
+		...
 	};
 	selectedValue = ['a', 2];
 ```

android/build.gradle

+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    compile 'com.facebook.react:react-native:0.20.1'
+}

android/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/heng/Desktop/android-sdk-macosx/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

android/src/main/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.beefe.picker">
+
+</manifest>

android/src/main/java/com/beefe/picker/PickerViewPackage.java

+package com.beefe.picker;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.JavaScriptModule;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Created by heng on 16/9/5.
+ */
+
+public class PickerViewPackage implements ReactPackage {
+
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+        return Arrays.<NativeModule>asList(new PickerViewModule(reactContext));
+    }
+
+    @Override
+    public List<Class<? extends JavaScriptModule>> createJSModules() {
+        return  Collections.emptyList();
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+        return  Collections.emptyList();
+    }
+}

android/src/main/java/com/beefe/picker/view/InertiaTimerTask.java

+package com.beefe.picker.view;
+
+import java.util.TimerTask;
+
+final class InertiaTimerTask extends TimerTask {
+
+    float a;
+    final float velocityY;
+    final LoopView loopView;
+
+    InertiaTimerTask(LoopView loopview, float velocityY) {
+        super();
+        loopView = loopview;
+        this.velocityY = velocityY;
+        a = Integer.MAX_VALUE;
+    }
+
+    @Override
+    public final void run() {
+        if (a == Integer.MAX_VALUE) {
+            if (Math.abs(velocityY) > 2000F) {
+                if (velocityY > 0.0F) {
+                    a = 2000F;
+                } else {
+                    a = -2000F;
+                }
+            } else {
+                a = velocityY;
+            }
+        }
+        if (Math.abs(a) >= 0.0F && Math.abs(a) <= 20F) {
+            loopView.cancelFuture();
+            loopView.handler.sendEmptyMessage(MessageHandler.WHAT_SMOOTH_SCROLL);
+            return;
+        }
+        int i = (int) ((a * 10F) / 1000F);
+        LoopView loopview = loopView;
+        loopview.totalScrollY = loopview.totalScrollY - i;
+        if (!loopView.isLoop) {
+            float itemHeight = loopView.lineSpacingMultiplier * loopView.maxTextHeight;
+            if (loopView.totalScrollY <= (int) ((float) (-loopView.initPosition) * itemHeight)) {
+                a = 40F;
+                loopView.totalScrollY = (int) ((float) (-loopView.initPosition) * itemHeight);
+            } else if (loopView.totalScrollY >= (int) ((float) (loopView.items.size() - 1 - loopView.initPosition) * itemHeight)) {
+                loopView.totalScrollY = (int) ((float) (loopView.items.size() - 1 - loopView.initPosition) * itemHeight);
+                a = -40F;
+            }
+        }
+        if (a < 0.0F) {
+            a = a + 20F;
+        } else {
+            a = a - 20F;
+        }
+        loopView.handler.sendEmptyMessage(MessageHandler.WHAT_INVALIDATE_LOOP_VIEW);
+    }
+}

android/src/main/java/com/beefe/picker/view/LoopViewGestureListener.java

+package com.beefe.picker.view;
+
+import android.view.MotionEvent;
+
+final class LoopViewGestureListener extends android.view.GestureDetector.SimpleOnGestureListener {
+
+    final LoopView loopView;
+
+    LoopViewGestureListener(LoopView loopview) {
+        loopView = loopview;
+    }
+
+    @Override
+    public final boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+        loopView.scrollBy(velocityY);
+        return true;
+    }
+}

android/src/main/java/com/beefe/picker/view/MessageHandler.java

+package com.beefe.picker.view;
+
+import android.os.Handler;
+import android.os.Message;
+
+final class MessageHandler extends Handler {
+
+    public static final int WHAT_INVALIDATE_LOOP_VIEW = 1000;
+    public static final int WHAT_SMOOTH_SCROLL = 2000;
+    public static final int WHAT_ITEM_SELECTED = 3000;
+
+    final LoopView loopview;
+
+    MessageHandler(LoopView loopview) {
+        this.loopview = loopview;
+    }
+
+    @Override
+    public final void handleMessage(Message msg) {
+        switch (msg.what) {
+            case WHAT_INVALIDATE_LOOP_VIEW:
+                loopview.invalidate();
+                break;
+
+            case WHAT_SMOOTH_SCROLL:
+                loopview.smoothScroll(LoopView.ACTION.FLING);
+                break;
+
+            case WHAT_ITEM_SELECTED:
+                loopview.onItemSelected();
+                break;
+        }
+    }
+
+}

android/src/main/java/com/beefe/picker/view/OnItemSelectedListener.java

+package com.beefe.picker.view;
+
+
+public interface OnItemSelectedListener {
+    void onItemSelected(String item, int index);
+}

android/src/main/java/com/beefe/picker/view/OnItemSelectedRunnable.java

+package com.beefe.picker.view;
+
+final class OnItemSelectedRunnable implements Runnable {
+
+    final LoopView loopView;
+
+    OnItemSelectedRunnable(LoopView loopview) {
+        loopView = loopview;
+    }
+
+    @Override
+    public final void run() {
+        loopView.onItemSelectedListener.onItemSelected(loopView.getSelectedItem(),loopView.getSelectedIndex());
+    }
+}

android/src/main/java/com/beefe/picker/view/OnSelectedListener.java

+package com.beefe.picker.view;
+
+import java.util.ArrayList;
+
+/**
+ * Created by heng on 16/9/6.
+ */
+
+public interface OnSelectedListener {
+
+    void onSelected(ArrayList<String> selectedList);
+
+}

android/src/main/java/com/beefe/picker/view/PickerViewAlone.java

+package com.beefe.picker.view;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+
+import com.beefe.picker.R;
+import com.facebook.react.bridge.ReadableArray;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * Created by heng on 16/9/6.
+ */
+
+public class PickerViewAlone extends LinearLayout {
+
+    private LinearLayout pickerViewAloneLayout;
+
+    private OnSelectedListener onSelectedListener;
+
+    private int position;
+
+    public PickerViewAlone(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public PickerViewAlone(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    private void init(Context context) {
+        View view = LayoutInflater.from(context).inflate(R.layout.picker_view_alone, this);
+        pickerViewAloneLayout = (LinearLayout) view.findViewById(R.id.pickerViewAloneLayout);
+    }
+
+    public void setOnSelectedListener(OnSelectedListener listener) {
+        this.onSelectedListener = listener;
+    }
+
+    public void setAloneData(ReadableArray array, final ArrayList<String> curSelectedList) {
+        ArrayList<String> values = arrayToList(array);
+        final LoopView loopView = new LoopView(getContext());
+        LayoutParams params = new LayoutParams(
+                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+        params.weight = 1.0f;
+        loopView.setLayoutParams(params);
+        loopView.setItems(values);
+        loopView.setSelectedPosition(0);
+        if (curSelectedList.size() > 0) {
+            curSelectedList.set(0, values.get(0));
+        } else {
+            curSelectedList.add(0, values.get(0));
+        }
+        loopView.setListener(new OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(String item, int index) {
+                if (onSelectedListener != null) {
+                    curSelectedList.set(0, item);
+                    onSelectedListener.onSelected(curSelectedList);
+                }
+            }
+        });
+        pickerViewAloneLayout.addView(loopView);
+    }
+
+
+    public void setPickerViewDta(ReadableArray array, final ArrayList<String> curSelectedList) {
+        final String[] selectedItems = new String[array.size()];
+        for (int i = 0; i < array.size(); i++) {
+            switch (array.getType(i).name()) {
+                case "Array":
+                    ReadableArray childArray = array.getArray(i);
+                    ArrayList<String> values = arrayToList(childArray);
+                    final LoopView loopView = new LoopView(getContext());
+                    LayoutParams params = new LayoutParams(
+                            LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+                    params.weight = 1.0f;
+                    loopView.setLayoutParams(params);
+                    loopView.setItems(values);
+                    loopView.setTag(i);
+                    loopView.setSelectedPosition(0);
+                    if (curSelectedList.size() > i) {
+                        curSelectedList.set(i, values.get(0));
+                    } else {
+                        curSelectedList.add(i, values.get(0));
+                    }
+                    selectedItems[i] = values.get(0);
+                    loopView.setListener(new OnItemSelectedListener() {
+                        @Override
+                        public void onItemSelected(String item, int index) {
+                            int viewCount = pickerViewAloneLayout.getChildCount();
+                            for (int j = 0; j < viewCount; j++) {
+                                View view = pickerViewAloneLayout.getChildAt(j);
+                                if (view instanceof LoopView) {
+                                    LoopView loop = (LoopView) view;
+                                    if (loop.getTag() == loopView.getTag()) {
+                                        position = j;
+                                        break;
+                                    }
+                                }
+                            }
+                            selectedItems[position] = item;
+                            if (onSelectedListener != null) {
+                                for (int i = 0; i < selectedItems.length; i++) {
+                                    curSelectedList.set(i, selectedItems[i]);
+                                }
+                                onSelectedListener.onSelected(curSelectedList);
+                            }
+                        }
+                    });
+                    pickerViewAloneLayout.addView(loopView);
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    public void setSelectValue(String[] selectValue, final ArrayList<String> curSelectedList) {
+        int viewCount = pickerViewAloneLayout.getChildCount();
+        int valueCount = selectValue.length;
+        if (valueCount <= viewCount) {
+            setSelect(valueCount, selectValue, curSelectedList);
+        } else {
+            String[] values = Arrays.copyOf(selectValue, viewCount);
+            setSelect(viewCount, values, curSelectedList);
+        }
+    }
+
+    private void setSelect(int size, String[] values, ArrayList<String> curSelectedList) {
+        for (int i = 0; i < size; i++) {
+            View view = pickerViewAloneLayout.getChildAt(i);
+            if (view instanceof LoopView) {
+                LoopView loop = (LoopView) view;
+                if (loop.hasItem(values[i])) {
+                    loop.setSelectedItem(values[i]);
+                    curSelectedList.set(i, values[i]);
+                }
+            }
+        }
+    }
+
+    public void setIsLoop(boolean isLoop) {
+        if (!isLoop) {
+            int viewCount = pickerViewAloneLayout.getChildCount();
+            for (int i = 0; i < viewCount; i++) {
+                View view = pickerViewAloneLayout.getChildAt(i);
+                if (view instanceof LoopView) {
+                    LoopView loopView = (LoopView) view;
+                    loopView.setNotLoop();
+                }
+            }
+        }
+    }
+
+    private ArrayList<String> arrayToList(ReadableArray array) {
+        ArrayList<String> values = new ArrayList<>();
+        for (int i = 0; i < array.size(); i++) {
+            String value = "";
+            switch (array.getType(i).name()) {
+                case "Boolean":
+                    value = String.valueOf(array.getBoolean(i));
+                    break;
+                case "Number":
+                    try {
+                        value = String.valueOf(array.getInt(i));
+                    } catch (Exception e) {
+                        value = String.valueOf(array.getDouble(i));
+                    }
+                    break;
+                case "String":
+                    value = array.getString(i);
+                    break;
+            }
+            values.add(value);
+        }
+        return values;
+    }
+
+}

android/src/main/java/com/beefe/picker/view/SmoothScrollTimerTask.java

+package com.beefe.picker.view;
+
+import java.util.TimerTask;
+
+final class SmoothScrollTimerTask extends TimerTask {
+
+    int realTotalOffset;
+    int realOffset;
+    int offset;
+    final LoopView loopView;
+
+    SmoothScrollTimerTask(LoopView loopview, int offset) {
+        this.loopView = loopview;
+        this.offset = offset;
+        realTotalOffset = Integer.MAX_VALUE;
+        realOffset = 0;
+    }
+
+    @Override
+    public final void run() {
+        if (realTotalOffset == Integer.MAX_VALUE) {
+            realTotalOffset = offset;
+        }
+        realOffset = (int) ((float) realTotalOffset * 0.1F);
+
+        if (realOffset == 0) {
+            if (realTotalOffset < 0) {
+                realOffset = -1;
+            } else {
+                realOffset = 1;
+            }
+        }
+        if (Math.abs(realTotalOffset) <= 0) {
+            loopView.cancelFuture();
+            loopView.handler.sendEmptyMessage(MessageHandler.WHAT_ITEM_SELECTED);
+        } else {
+            loopView.totalScrollY = loopView.totalScrollY + realOffset;
+            loopView.handler.sendEmptyMessage(MessageHandler.WHAT_INVALIDATE_LOOP_VIEW);
+            realTotalOffset = realTotalOffset - realOffset;
+        }
+    }
+}

android/src/main/res/anim/popup_enter.xml

+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <translate
+        android:duration="300"
+        android:fromXDelta="0"
+        android:fromYDelta="100%"
+        android:toXDelta="0"
+        android:toYDelta="0" />
+    <!--<alpha-->
+        <!--android:fromAlpha="0.5"-->
+        <!--android:duration="500"-->
+        <!--android:toAlpha="1.0"-->
+        <!--/>-->
+</set>
\ No newline at end of file

android/src/main/res/anim/popup_exit.xml

+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <translate
+        android:fromXDelta="0"
+        android:fromYDelta="0"
+        android:duration="300"
+        android:toXDelta="0"
+        android:toYDelta="100%" />
+
+    <!--<alpha-->
+        <!--android:fromAlpha="1.0"-->
+        <!--android:duration="800"-->
+        <!--android:toAlpha="0.5"-->
+        <!--/>-->
+
+</set>
\ No newline at end of file

android/src/main/res/layout/picker_view_alone.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal" android:layout_width="match_parent"
+    android:id="@+id/pickerViewAloneLayout"
+    android:layout_height="match_parent">
+
+</LinearLayout>
\ No newline at end of file

android/src/main/res/layout/picker_view_linkage.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.beefe.picker.view.LoopView
+        android:id="@+id/loopViewOne"
+        android:layout_width="0dp"
+        android:layout_weight="1.0"
+        android:layout_height="match_parent" />
+
+    <com.beefe.picker.view.LoopView
+        android:id="@+id/loopViewTwo"
+        android:layout_width="0dp"
+        android:layout_weight="1.0"
+        android:layout_height="match_parent" />
+
+    <com.beefe.picker.view.LoopView
+        android:id="@+id/loopViewThree"
+        android:layout_width="0dp"
+        android:layout_weight="1.0"
+        android:layout_height="match_parent" />
+
+</LinearLayout>
\ No newline at end of file

android/src/main/res/layout/popup_picker_view.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#00000000">
+
+     <RelativeLayout
+        android:id="@+id/pickerParent"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_above="@+id/barLayout" />
+
+    <RelativeLayout
+        android:id="@+id/barLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_above="@+id/pickerLayout">
+
+        <TextView
+            android:id="@+id/cancel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:padding="9dp" />
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:padding="9dp" />
+
+        <TextView
+            android:id="@+id/confirm"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentRight="true"
+            android:layout_centerVertical="true"
+            android:padding="9dp" />
+
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:id="@+id/pickerLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true" >
+
+        <com.beefe.picker.view.PickerViewLinkage
+            android:id="@+id/pickerViewLinkage"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"/>
+
+        <com.beefe.picker.view.PickerViewAlone
+            android:id="@+id/pickerViewAlone"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"/>
+    </RelativeLayout>
+
+</RelativeLayout>
\ No newline at end of file

android/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">react-native-picker</string>
+</resources>

android/src/main/res/values/styles.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="PopAnim">
+        <item name="android:windowEnterAnimation">@anim/popup_enter</item>
+        <item name="android:windowExitAnimation">@anim/popup_exit</item>
+    </style>
+</resources>
\ No newline at end of file

example/PickerTest/index.android.js

@@ -50,7 +50,23 @@ class PickerTest extends Component {
     }
 
     _onPressHandle() {
-        this.picker.toggle();
+        Picker.init({
+            pickerData: createDateData(),
+            selectedValue: ['2015年', '12月', '12日'],
+            onPickerConfirm: pickedValue => {
+                alert(JSON.stringify(pickedValue));
+                console.log(pickedValue);
+            },
+            onPickerCancel: pickedValue => {
+                alert(JSON.stringify(pickedValue));
+                console.log(pickedValue);
+            },
+            onPickerSelect: pickedValue => {
+                alert(JSON.stringify(pickedValue));
+                console.log(pickedValue);
+            }
+        });
+        Picker.show();
     }
 
     render() {
@@ -59,18 +75,6 @@ class PickerTest extends Component {
                 <TouchableOpacity style={{marginTop: 20}} onPress={this._onPressHandle.bind(this)}>
                     <Text>Click Me</Text>
                 </TouchableOpacity>
-                <Picker
-                    ref={picker => this.picker = picker}
-                    style={{height: 260}}
-                    showDuration={300}
-                    showMask={true}
-                    pickerData={createDateData()}
-                    selectedValue={['2015年', '12月', '12日']}
-                    onPickerDone={(pickedValue) => {
-                        alert(JSON.stringify(pickedValue));
-                        console.log(pickedValue);
-                    }}
-                />
             </View>
         );
     }

example/PickerTest/package.json

@@ -8,6 +8,6 @@
   "dependencies": {
     "react": "15.0.2",
     "react-native": "^0.26.1",
-    "react-native-picker": "^3.0.3"
+    "react-native-picker": "beefe/react-native-picker"
   }
 }

ios/RCTBEEPickerManager.xcodeproj/project.pbxproj

+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		17D41E591D7EE0CA0031415E /* RCTBEEPickerManager.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = 17D41E581D7EE0CA0031415E /* RCTBEEPickerManager.h */; };
+		17D41E5B1D7EE0CA0031415E /* RCTBEEPickerManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 17D41E5A1D7EE0CA0031415E /* RCTBEEPickerManager.m */; };
+		17D41E631D7EE0EE0031415E /* BzwPicker.m in Sources */ = {isa = PBXBuildFile; fileRef = 17D41E621D7EE0EE0031415E /* BzwPicker.m */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		17D41E531D7EE0CA0031415E /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "include/$(PRODUCT_NAME)";
+			dstSubfolderSpec = 16;
+			files = (
+				17D41E591D7EE0CA0031415E /* RCTBEEPickerManager.h in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		17D41E551D7EE0CA0031415E /* libRCTBEEPickerManager.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRCTBEEPickerManager.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		17D41E581D7EE0CA0031415E /* RCTBEEPickerManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RCTBEEPickerManager.h; sourceTree = "<group>"; };
+		17D41E5A1D7EE0CA0031415E /* RCTBEEPickerManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = RCTBEEPickerManager.m; sourceTree = "<group>"; };
+		17D41E611D7EE0EE0031415E /* BzwPicker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BzwPicker.h; sourceTree = "<group>"; };
+		17D41E621D7EE0EE0031415E /* BzwPicker.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BzwPicker.m; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		17D41E521D7EE0CA0031415E /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		17D41E4C1D7EE0CA0031415E = {
+			isa = PBXGroup;
+			children = (
+				17D41E571D7EE0CA0031415E /* RCTBEEPickerManager */,
+				17D41E561D7EE0CA0031415E /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		17D41E561D7EE0CA0031415E /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				17D41E551D7EE0CA0031415E /* libRCTBEEPickerManager.a */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		17D41E571D7EE0CA0031415E /* RCTBEEPickerManager */ = {
+			isa = PBXGroup;
+			children = (
+				17D41E611D7EE0EE0031415E /* BzwPicker.h */,
+				17D41E621D7EE0EE0031415E /* BzwPicker.m */,
+				17D41E581D7EE0CA0031415E /* RCTBEEPickerManager.h */,
+				17D41E5A1D7EE0CA0031415E /* RCTBEEPickerManager.m */,
+			);
+			path = RCTBEEPickerManager;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		17D41E541D7EE0CA0031415E /* RCTBEEPickerManager */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 17D41E5E1D7EE0CA0031415E /* Build configuration list for PBXNativeTarget "RCTBEEPickerManager" */;
+			buildPhases = (
+				17D41E511D7EE0CA0031415E /* Sources */,
+				17D41E521D7EE0CA0031415E /* Frameworks */,
+				17D41E531D7EE0CA0031415E /* CopyFiles */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = RCTBEEPickerManager;
+			productName = RCTBEEPickerManager;
+			productReference = 17D41E551D7EE0CA0031415E /* libRCTBEEPickerManager.a */;
+			productType = "com.apple.product-type.library.static";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		17D41E4D1D7EE0CA0031415E /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0720;
+				ORGANIZATIONNAME = "MFHJ-DZ-001-417";
+				TargetAttributes = {
+					17D41E541D7EE0CA0031415E = {
+						CreatedOnToolsVersion = 7.2.1;
+					};
+				};
+			};
+			buildConfigurationList = 17D41E501D7EE0CA0031415E /* Build configuration list for PBXProject "RCTBEEPickerManager" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 17D41E4C1D7EE0CA0031415E;
+			productRefGroup = 17D41E561D7EE0CA0031415E /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				17D41E541D7EE0CA0031415E /* RCTBEEPickerManager */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXSourcesBuildPhase section */
+		17D41E511D7EE0CA0031415E /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				17D41E5B1D7EE0CA0031415E /* RCTBEEPickerManager.m in Sources */,
+				17D41E631D7EE0EE0031415E /* BzwPicker.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		17D41E5C1D7EE0CA0031415E /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+			};
+			name = Debug;
+		};
+		17D41E5D1D7EE0CA0031415E /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		17D41E5F1D7EE0CA0031415E /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(SRCROOT)/../../react-native/React/**",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+			};
+			name = Debug;
+		};
+		17D41E601D7EE0CA0031415E /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(SRCROOT)/../../react-native/React/**",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		17D41E501D7EE0CA0031415E /* Build configuration list for PBXProject "RCTBEEPickerManager" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				17D41E5C1D7EE0CA0031415E /* Debug */,
+				17D41E5D1D7EE0CA0031415E /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		17D41E5E1D7EE0CA0031415E /* Build configuration list for PBXNativeTarget "RCTBEEPickerManager" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				17D41E5F1D7EE0CA0031415E /* Debug */,
+				17D41E601D7EE0CA0031415E /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 17D41E4D1D7EE0CA0031415E /* Project object */;
+}

ios/RCTBEEPickerManager.xcodeproj/project.xcworkspace/contents.xcworkspacedata

+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:RCTBEEPickerManager.xcodeproj">
+   </FileRef>
+</Workspace>

ios/RCTBEEPickerManager.xcodeproj/xcuserdata/mfhj-dz-001-417.xcuserdatad/xcschemes/RCTBEEPickerManager.xcscheme

+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0720"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "17D41E541D7EE0CA0031415E"
+               BuildableName = "libRCTBEEPickerManager.a"
+               BlueprintName = "RCTBEEPickerManager"
+               ReferencedContainer = "container:RCTBEEPickerManager.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "17D41E541D7EE0CA0031415E"
+            BuildableName = "libRCTBEEPickerManager.a"
+            BlueprintName = "RCTBEEPickerManager"
+            ReferencedContainer = "container:RCTBEEPickerManager.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "17D41E541D7EE0CA0031415E"
+            BuildableName = "libRCTBEEPickerManager.a"
+            BlueprintName = "RCTBEEPickerManager"
+            ReferencedContainer = "container:RCTBEEPickerManager.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

ios/RCTBEEPickerManager.xcodeproj/xcuserdata/mfhj-dz-001-417.xcuserdatad/xcschemes/xcschememanagement.plist

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>RCTBEEPickerManager.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>17D41E541D7EE0CA0031415E</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>

ios/RCTBEEPickerManager/BzwPicker.h

+//
+//  BzwPicker.h
+//  PickerView
+//
+//  Created by Bao on 15/12/14.
+//  Copyright © 2015年 Microlink. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
+#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
+
+
+typedef void(^backBolock)(NSDictionary * );
+
+@interface BzwPicker : UIView<UIPickerViewDataSource,UIPickerViewDelegate>
+
+@property (strong,nonatomic)UIPickerView *pick;
+
+@property(nonatomic,copy)backBolock bolock;
+
+@property (strong, nonatomic) NSDictionary *pickerDic;//一开始进来的字典
+
+@property (strong, nonatomic) NSArray *provinceArray;//省、市
+@property (strong, nonatomic) NSArray *cityArray;//市，县
+@property (strong, nonatomic) NSArray *townArray;//县，区
+
+
+@property (strong, nonatomic) NSDictionary *selectedDic;//3级联动时候用到的
+@property (strong,nonatomic)NSArray *selectArry;//2级联动时候用的
+
+@property (strong,nonatomic)UIButton *leftBtn;//取消
+@property (strong,nonatomic)UIButton *rightBtn;
+
+@property(strong,nonatomic)NSString *leftStr;
+@property(strong,nonatomic)NSString *centStr;
+@property(strong,nonatomic)NSString *rightStr;
+
+
+//用来判断进来的类型
+@property(strong,nonatomic)id value;
+
+@property(assign,nonatomic)BOOL Correlation;//判断有没有没有关联
+
+@property(nonatomic,strong)NSString *numberCorrela;//关联是2行 还是3行
+
+@property(nonatomic,strong)NSArray *noCorreArry;
+
+//创建一个数组来传递返回的值
+@property(nonatomic,strong)NSMutableArray *backArry;
+
+@property(assign,nonatomic)BOOL noArryElementBool;
+
+//创建一个数组 接收进来的选择Value
+
+@property(strong,nonatomic)NSArray *selectValueArry;
+
+
+
+-(instancetype)initWithFrame:(CGRect)frame dic:(NSDictionary *)dic leftStr:(NSString *)leftStr centerStr:(NSString *)centerStr rightStr:(NSString *)rightStr topbgColor:(NSArray *)topbgColor bottombgColor:(NSArray *)bottombgColor leftbtnbgColor:(NSArray *)leftbtnbgColor rightbtnbgColor:(NSArray *)rightbtnbgColor centerbtnColor:(NSArray *)centerbtnColor selectValueArry:(NSArray *)selectValueArry;
+
+
+@end

ios/RCTBEEPickerManager/RCTBEEPickerManager.h

+//
+//  RCTBEEPickerManager.h
+//  RCTBEEPickerManager
+//
+//  Created by MFHJ-DZ-001-417 on 16/9/6.
+//  Copyright © 2016年 MFHJ-DZ-001-417. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "RCTBridgeModule.h"
+
+@interface RCTBEEPickerManager : NSObject<RCTBridgeModule>
+
+@end

ios/RCTBEEPickerManager/RCTBEEPickerManager.m

+//
+//  RCTBEEPickerManager.m
+//  RCTBEEPickerManager
+//
+//  Created by MFHJ-DZ-001-417 on 16/9/6.
+//  Copyright © 2016年 MFHJ-DZ-001-417. All rights reserved.
+//
+
+#import "RCTBEEPickerManager.h"
+#import "BzwPicker.h"
+#import "RCTEventDispatcher.h"
+
+@interface RCTBEEPickerManager()
+
+@property(nonatomic,strong)BzwPicker *pick;
+
+@end
+
+@implementation RCTBEEPickerManager
+
+@synthesize bridge = _bridge;
+
+RCT_EXPORT_MODULE();
+
+RCT_EXPORT_METHOD(_init:(NSDictionary *)indic){
+    
+    UIViewController *result = nil;
+    
+    UIWindow * window = [[UIApplication sharedApplication] keyWindow];
+    if (window.windowLevel != UIWindowLevelNormal)
+    {
+        NSArray *windows = [[UIApplication sharedApplication] windows];
+        for(UIWindow * tmpWin in windows)
+        {
+            if (tmpWin.windowLevel == UIWindowLevelNormal)
+            {
+                window = tmpWin;
+                break;
+            }
+        }
+    }
+    
+    UIView *frontView = [[window subviews] objectAtIndex:0];
+    id nextResponder = [frontView nextResponder];
+    
+    if ([nextResponder isKindOfClass:[UIViewController class]])
+        
+        result = nextResponder;
+    
+    else
+        
+        result = window.rootViewController;
+    
+    NSString *pickerConfirmBtnText=indic[@"pickerConfirmBtnText"];
+    NSString *pickerCancelBtnText=indic[@"pickerCancelBtnText"];
+    NSString *pickerTitleText=indic[@"pickerTitleText"];
+    NSArray *pickerConfirmBtnColor=indic[@"pickerConfirmBtnColor"];
+    NSArray *pickerCancelBtnColor=indic[@"pickerCancelBtnColor"];
+    NSArray *pickerTitleColor=indic[@"pickerTitleColor"];
+    NSArray *pickerToolBarBg=indic[@"pickerToolBarBg"];
+    NSArray *pickerBg=indic[@"pickerBg"];
+    NSArray *selectArry=indic[@"selectedValue"];
+    
+    id pickerData=indic[@"pickerData"];
+    
+    NSMutableDictionary *dataDic=[[NSMutableDictionary alloc]init];
+    
+    dataDic[@"pickerData"]=pickerData;
+    
+    [result.view.subviews enumerateObjectsUsingBlock:^(__kindof UIView * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+        
+        if ([obj isKindOfClass:[BzwPicker class]]) {
+            dispatch_async(dispatch_get_main_queue(), ^{
+                
+                [obj removeFromSuperview];
+            });
+        }
+        
+    }];
+    
+    self.pick=[[BzwPicker alloc]initWithFrame:CGRectMake(0, SCREEN_HEIGHT, SCREEN_WIDTH, 250) dic:dataDic leftStr:pickerCancelBtnText centerStr:pickerTitleText rightStr:pickerConfirmBtnText topbgColor:pickerToolBarBg bottombgColor:pickerBg leftbtnbgColor:pickerCancelBtnColor rightbtnbgColor:pickerConfirmBtnColor centerbtnColor:pickerTitleColor selectValueArry:selectArry];
+    
+    _pick.bolock=^(NSDictionary *backinfoArry){
+        
+        dispatch_async(dispatch_get_main_queue(), ^{
+            
+            [self.bridge.eventDispatcher sendAppEventWithName:@"pickerEvent" body:backinfoArry];
+        });
+    };
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        
+        [result.view addSubview:_pick];
+        
+        [UIView animateWithDuration:.3 animations:^{
+            
+            [_pick setFrame:CGRectMake(0, SCREEN_HEIGHT-250, SCREEN_WIDTH, 250)];
+            
+        }];
+        
+    });
+    
+}
+
+RCT_EXPORT_METHOD(show){
+    if (self.pick) {
+        
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [UIView animateWithDuration:.3 animations:^{
+                
+                [_pick setFrame:CGRectMake(0, SCREEN_HEIGHT-250, SCREEN_WIDTH, 250)];
+                
+            }];
+        });
+    }return;
+}
+
+RCT_EXPORT_METHOD(hide){
+    
+    if (self.pick) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [UIView animateWithDuration:.3 animations:^{
+                [_pick setFrame:CGRectMake(0, SCREEN_HEIGHT, SCREEN_WIDTH, 250)];
+            }];
+        });
+    }return;
+}
+RCT_EXPORT_METHOD(isPickerShow:(RCTResponseSenderBlock)getBack){
+    
+    if (self.pick) {
+        
+        CGFloat pickY=_pick.frame.origin.y;
+        
+        if (pickY==SCREEN_HEIGHT) {
+            
+            getBack(@[@YES]);
+        }else
+        {
+            getBack(@[@NO]);
+        }
+    }else{
+        getBack(@[@"picker不存在"]);
+    }
+}
+
+@end

package.json

 {
   "name": "react-native-picker",
-  "version": "3.0.5",
-  "description": "react-native-picker",
+  "version": "4.0.0",
+  "description": "",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/beefe/react-native-picker.git"
+    "url": "git@github.com:beefe/react-native-picker.git"
   },
-  "keywords": [
-    "react-native",
-    "picker"
-  ],
-  "author": {
-    "name": "zooble",
-    "email": "wenliang.web@gmail.com"
-  },
-  "dependencies": {
-    "react-native-picker-android": "~1.0.3"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/beefe/react-native-picker/issues"
-  },
-  "homepage": "https://github.com/beefe/react-native-picker#readme"
-}
\ No newline at end of file
+  "author": "zooble",
+  "license": "MIT"
+}