add context into handler

android/src/main/kotlin/com/jarvanmo/wechatplugin/WechatPlugin.kt

@@ -14,6 +14,7 @@ class WechatPlugin(private var channel: MethodChannel,private var registrar: Reg
         @JvmStatic
         fun registerWith(registrar: Registrar): Unit {
             val channel = MethodChannel(registrar.messenger(), "wechat_plugin")
+            WeChatPluginHandler.setContext(registrar.context().applicationContext)
             channel.setMethodCallHandler(WechatPlugin(channel,registrar))
             WeChatPluginHandler.setMethodChannel(channel)
         }

android/src/main/kotlin/com/jarvanmo/wechatplugin/handler/WeChatPluginHandler.kt

 package com.jarvanmo.wechatplugin.handler
 
+import android.annotation.SuppressLint
+import android.content.Context
 import com.jarvanmo.wechatplugin.config.WeChatPluginMethods
 import com.jarvanmo.wechatplugin.config.WechatPluginConfig
 import com.tencent.mm.opensdk.modelbase.BaseResp
@@ -10,8 +12,10 @@ import com.tencent.mm.opensdk.modelmsg.WXTextObject
 import com.tencent.mm.opensdk.openapi.IWXAPI
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
+import top.zibin.luban.Luban
 
 
+@SuppressLint("StaticFieldLeak")
 /***
  * Created by mo on 2018/8/8
  * 冷风如刀，以大地为砧板，视众生为鱼肉。
@@ -22,6 +26,8 @@ object WeChatPluginHandler {
 
     private var channel: MethodChannel? = null
 
+    private var context: Context? = null
+
 
     fun apiIsNull() = wxApi == null
 
@@ -33,6 +39,11 @@ object WeChatPluginHandler {
         this.wxApi = wxApi
     }
 
+    fun setContext(context: Context){
+        this.context = context.applicationContext
+    }
+
+
     fun handle(call: MethodCall, result: MethodChannel.Result) {
         when (call.method) {
             WeChatPluginMethods.SHARE_TEXT -> shareText(call)