fix Input box bug

android/src/main/java/com/idlefish/flutterboost/BoostFlutterView.java

@@ -54,6 +54,7 @@ public class BoostFlutterView extends FrameLayout {
     private BoostFlutterEngine mFlutterEngine;
 
     private XFlutterView mFlutterView;
+    private PlatformPlugin mPlatformPlugin;
 
     private Bundle mArguments;
 
@@ -113,6 +114,7 @@ public class BoostFlutterView extends FrameLayout {
         if (mArguments == null) {
             mArguments = new Bundle();
         }
+        mPlatformPlugin = new PlatformPlugin((Activity) getContext(), mFlutterEngine.getPlatformChannel());
 
         mFlutterView = new XFlutterView(getContext(), getRenderMode(), getTransparencyMode());
         addView(mFlutterView, new FrameLayout.LayoutParams(

android/src/main/java/com/idlefish/flutterboost/XFlutterView.java

@@ -450,7 +450,7 @@ public class XFlutterView extends FrameLayout {
 
     // Initialize various components that know how to process Android View I/O
     // in a way that Flutter understands.
-    if(textInputPlugin==null){
+
     textInputPlugin = new XTextInputPlugin(
             this,
             this.flutterEngine.getDartExecutor()
@@ -459,7 +459,6 @@ public class XFlutterView extends FrameLayout {
             this.flutterEngine.getKeyEventChannel(),
             textInputPlugin
     );
-    }