Fixed crash and activity leak

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

@@ -55,8 +55,6 @@ public class BoostFlutterView extends FrameLayout {
 
     private XFlutterView mFlutterView;
 
-    private PlatformPlugin mPlatformPlugin;
-
     private Bundle mArguments;
 
     private RenderingProgressCoverCreator mRenderingProgressCoverCreator;
@@ -116,8 +114,6 @@ public class BoostFlutterView extends FrameLayout {
             mArguments = new Bundle();
         }
 
-        mPlatformPlugin = new PlatformPlugin((Activity) getContext(), mFlutterEngine.getPlatformChannel());
-
         mFlutterView = new XFlutterView(getContext(), getRenderMode(), getTransparencyMode());
         addView(mFlutterView, new FrameLayout.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
@@ -213,7 +209,6 @@ public class BoostFlutterView extends FrameLayout {
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
-        mPlatformPlugin.onPostResume();
         ViewCompat.requestApplyInsets(this);
         getViewTreeObserver().addOnGlobalLayoutListener(mGlobalLayoutListener);
     }

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

@@ -168,8 +168,14 @@ public class XFlutterView extends FrameLayout {
   @Override
   protected void onConfigurationChanged(Configuration newConfig) {
     super.onConfigurationChanged(newConfig);
-    sendLocalesToFlutter(newConfig);
-    sendUserSettingsToFlutter();
+    try {
+      sendLocalesToFlutter(newConfig);
+      sendUserSettingsToFlutter();
+    }catch (Throwable e){
+      Log.e(TAG, "onConfigurationChanged error ");
+
+    }
+
   }
 
   /**
@@ -462,25 +468,31 @@ public class XFlutterView extends FrameLayout {
         textInputPlugin
     );
     androidTouchProcessor = new AndroidTouchProcessor(this.flutterEngine.getRenderer());
-    accessibilityBridge = new AccessibilityBridge(
-        this,
-        flutterEngine.getAccessibilityChannel(),
-        (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE),
-        getContext().getContentResolver(),
-        // TODO(mattcaroll): plumb the platform views controller to the accessibility bridge.
-        // https://github.com/flutter/flutter/issues/29618
-        null
-    );
-    accessibilityBridge.setOnAccessibilityChangeListener(onAccessibilityChangeListener);
-    resetWillNotDraw(
-        accessibilityBridge.isAccessibilityEnabled(),
-        accessibilityBridge.isTouchExplorationEnabled()
-    );
+
+    if(accessibilityBridge==null){
+      accessibilityBridge = new AccessibilityBridge(
+              this,
+              flutterEngine.getAccessibilityChannel(),
+              (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE),
+              getContext().getContentResolver(),
+              // TODO(mattcaroll): plumb the platform views controller to the accessibility bridge.
+              // https://github.com/flutter/flutter/issues/29618
+              null
+      );
+      accessibilityBridge.setOnAccessibilityChangeListener(onAccessibilityChangeListener);
+      resetWillNotDraw(
+              accessibilityBridge.isAccessibilityEnabled(),
+              accessibilityBridge.isTouchExplorationEnabled()
+      );
+      textInputPlugin.getInputMethodManager().restartInput(this);
+
+    }
+
+
 
     // Inform the Android framework that it should retrieve a new InputConnection
     // now that an engine is attached.
     // TODO(mattcarroll): once this is proven to work, move this line ot TextInputPlugin
-    textInputPlugin.getInputMethodManager().restartInput(this);
 
     // Push View and Context related information from Android to Flutter.
     sendUserSettingsToFlutter();
@@ -511,7 +523,6 @@ public class XFlutterView extends FrameLayout {
     // signifies that this View does not process input (until a new engine is attached).
     // TODO(mattcarroll): once this is proven to work, move this line ot TextInputPlugin
     textInputPlugin.getInputMethodManager().restartInput(this);
-
     // Instruct our FlutterRenderer that we are no longer interested in being its RenderSurface.
     flutterEngine.getRenderer().detachFromRenderSurface();
     flutterEngine = null;
@@ -560,10 +571,13 @@ public class XFlutterView extends FrameLayout {
    * FlutterEngine must be non-null when this method is invoked.
    */
   private void sendUserSettingsToFlutter() {
-    flutterEngine.getSettingsChannel().startMessage()
-        .setTextScaleFactor(getResources().getConfiguration().fontScale)
-        .setUse24HourFormat(DateFormat.is24HourFormat(getContext()))
-        .send();
+    if(flutterEngine!=null&&flutterEngine.getSettingsChannel()!=null){
+      flutterEngine.getSettingsChannel().startMessage()
+              .setTextScaleFactor(getResources().getConfiguration().fontScale)
+              .setUse24HourFormat(DateFormat.is24HourFormat(getContext()))
+              .send();
+    }
+
   }
 
   // TODO(mattcarroll): consider introducing a system channel for this communication instead of JNI