解决页面切换 黑一下问题

android/src/main/java/com/idlefish/flutterboost/containers/FlutterSplashView.java

 package com.idlefish.flutterboost.containers;
 
 import android.content.Context;
+import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -43,7 +44,8 @@ public class FlutterSplashView extends FrameLayout {
         @Override
         public void onFlutterEngineAttachedToFlutterView(@NonNull FlutterEngine engine) {
             flutterView.removeFlutterEngineAttachmentListener(this);
-            displayFlutterViewWithSplash(flutterView, splashScreen);
+//            displayFlutterViewWithSplash(flutterView, splashScreen);
+//            splashScreenTransitionNeededNow();
         }
 
         @Override
@@ -131,25 +133,37 @@ public class FlutterSplashView extends FrameLayout {
 
         // Display the new splash screen, if needed.
         if (splashScreen != null) {
-            if (isSplashScreenNeededNow()) {
-                Log.v(TAG, "Showing splash screen UI.");
-                // This is the typical case. A FlutterEngine is attached to the FlutterView and we're
-                // waiting for the first frame to render. Show a splash UI until that happens.
-                splashScreenView = splashScreen.createSplashView(getContext(), splashScreenState);
-                addView(this.splashScreenView);
-                flutterView.addOnFirstFrameRenderedListener(onFirstFrameRenderedListener);
-            } else if (isSplashScreenTransitionNeededNow()) {
-                Log.v(TAG, "Showing an immediate splash transition to Flutter due to previously interrupted transition.");
-                splashScreenView = splashScreen.createSplashView(getContext(), splashScreenState);
-                addView(splashScreenView);
-                transitionToFlutter();
-            } else if (!flutterView.isAttachedToFlutterEngine()) {
-                Log.v(TAG, "FlutterView is not yet attached to a FlutterEngine. Showing nothing until a FlutterEngine is attached.");
-                flutterView.addFlutterEngineAttachmentListener(flutterEngineAttachmentListener);
-            }
+
+
+            splashScreenView = splashScreen.createSplashView(getContext(), splashScreenState);
+            splashScreenView.setBackgroundColor(Color.WHITE);
+            addView(this.splashScreenView);
+            flutterView.addOnFirstFrameRenderedListener(onFirstFrameRenderedListener);
+
+
+//            if (splashScreen != null) {
+//                if (this.isSplashScreenNeededNow()) {
+//                    Log.v(TAG, "Showing splash screen UI.");
+//                    this.splashScreenView = splashScreen.createSplashView(this.getContext(), this.splashScreenState);
+//                    this.addView(this.splashScreenView);
+//                    flutterView.addOnFirstFrameRenderedListener(this.onFirstFrameRenderedListener);
+//                } else if (this.isSplashScreenTransitionNeededNow()) {
+//                    Log.v(TAG, "Showing an immediate splash transition to Flutter due to previously interrupted transition.");
+//                    this.splashScreenView = splashScreen.createSplashView(this.getContext(), this.splashScreenState);
+//                    this.addView(this.splashScreenView);
+//                    this.transitionToFlutter();
+//                } else if (!flutterView.isAttachedToFlutterEngine()) {
+//                    Log.v(TAG, "FlutterView is not yet attached to a FlutterEngine. Showing nothing until a FlutterEngine is attached.");
+//                    flutterView.addFlutterEngineAttachmentListener(this.flutterEngineAttachmentListener);
+//                }
+//            }
         }
     }
 
+
+
+
+
     /**
      * Returns true if current conditions require a splash UI to be displayed.
      * <p>

android/src/main/java/com/idlefish/flutterboost/containers/NewBoostFlutterActivity.java

@@ -17,9 +17,8 @@ import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
+import android.view.*;
+import android.widget.*;
 import com.idlefish.flutterboost.NewFlutterBoost;
 import com.idlefish.flutterboost.Utils;
 import io.flutter.Log;
@@ -175,7 +174,7 @@ public class NewBoostFlutterActivity extends Activity
     public SplashScreen provideSplashScreen() {
         Drawable manifestSplashDrawable = getSplashScreenFromManifest();
         if (manifestSplashDrawable != null) {
-            return new DrawableSplashScreen(manifestSplashDrawable);
+            return new DrawableSplashScreen(manifestSplashDrawable, ImageView.ScaleType.CENTER,500L);
         } else {
             return null;
         }
@@ -469,8 +468,15 @@ public class NewBoostFlutterActivity extends Activity
 
     @Override
     public void onFirstFrameRendered() {
+
+
+
+
+
     }
 
+
+
     @Override
     public void finishContainer(Map<String, Object> result) {
         Activity activity= this.getActivity();

example/android/app/src/main/AndroidManifest.xml

@@ -35,14 +35,13 @@
         </activity>
 
 
-
         <activity
                 android:name="com.idlefish.flutterboost.containers.NewBoostFlutterActivity"
                 android:theme="@style/Theme.AppCompat"
                 android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
                 android:hardwareAccelerated="true"
                 android:windowSoftInputMode="adjustResize" >
-                <!--<meta-data android:name="io.flutter.embedding.android.SplashScreenDrawable" android:resource="@drawable/page_loading"/>-->
+                <meta-data android:name="io.flutter.embedding.android.SplashScreenDrawable" android:resource="@drawable/page_loading"/>
 
         </activity>
         <activity