solve the black screen problem when the page switch

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

@@ -44,12 +44,16 @@
                 <meta-data android:name="io.flutter.embedding.android.SplashScreenDrawable" android:resource="@drawable/page_loading"/>
 
         </activity>
+        
         <activity
             android:name=".FlutterFragmentPageActivity"
             android:theme="@style/Theme.AppCompat"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
             android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize"/>
+            android:windowSoftInputMode="adjustResize">
+            <meta-data android:name="io.flutter.embedding.android.SplashScreenDrawable" android:resource="@drawable/page_loading"/>
+
+        </activity>
 
         <activity
             android:name=".NativePageActivity"

example/android/app/src/main/java/com/taobao/idlefish/flutterboostexample/FlutterFragmentPageActivity.java

 package com.taobao.idlefish.flutterboostexample;
 
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
 import android.graphics.Color;
+import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -9,10 +12,15 @@ import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
+import android.widget.ImageView;
 import com.idlefish.flutterboost.containers.NewFlutterFragment;
+import io.flutter.embedding.android.DrawableSplashScreen;
+import io.flutter.embedding.android.SplashScreen;
+import io.flutter.embedding.android.SplashScreenProvider;
 import io.flutter.plugin.platform.PlatformPlugin;
 
-public class FlutterFragmentPageActivity extends AppCompatActivity implements View.OnClickListener {
+public class FlutterFragmentPageActivity extends AppCompatActivity implements View.OnClickListener, SplashScreenProvider {
+    protected static final String SPLASH_SCREEN_META_DATA_KEY = "io.flutter.embedding.android.SplashScreenDrawable";
 
     private NewFlutterFragment mFragment;
 
@@ -86,4 +94,34 @@ public class FlutterFragmentPageActivity extends AppCompatActivity implements Vi
         super.onResume();
         mTab1.performClick();
     }
+
+    @Nullable
+    @Override
+    public SplashScreen provideSplashScreen() {
+        Drawable manifestSplashDrawable = getSplashScreenFromManifest();
+        if (manifestSplashDrawable != null) {
+            return new DrawableSplashScreen(manifestSplashDrawable, ImageView.ScaleType.CENTER,500L);
+        } else {
+            return null;
+        }
+    }
+
+    private Drawable getSplashScreenFromManifest() {
+        try {
+            ActivityInfo activityInfo = getPackageManager().getActivityInfo(
+                    getComponentName(),
+                    PackageManager.GET_META_DATA | PackageManager.GET_ACTIVITIES
+            );
+            Bundle metadata = activityInfo.metaData;
+            Integer splashScreenId = metadata != null ? metadata.getInt(SPLASH_SCREEN_META_DATA_KEY) : null;
+            return splashScreenId != null
+                    ? Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP
+                    ? getResources().getDrawable(splashScreenId, getTheme())
+                    : getResources().getDrawable(splashScreenId)
+                    : null;
+        } catch (PackageManager.NameNotFoundException e) {
+            // This is never expected to happen.
+            return null;
+        }
+    }
 }