engine初始化和Registry初始化优化

android/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.idlefish.flutterboost">
 
-    <application>
-        <activity android:name="com.idlefish.flutterboost.containers.BoostFlutterDefaultActivity" />
-    </application>
+
 
 </manifest>

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

@@ -11,6 +11,8 @@ import io.flutter.Log;
 import io.flutter.embedding.android.FlutterView;
 import io.flutter.embedding.engine.FlutterEngine;
 import io.flutter.embedding.engine.dart.DartExecutor;
+import io.flutter.embedding.engine.plugins.shim.ShimPluginRegistry;
+import io.flutter.plugin.common.PluginRegistry;
 import io.flutter.view.FlutterMain;
 
 import java.util.HashMap;
@@ -23,7 +25,7 @@ public class NewFlutterBoost {
     private FlutterViewContainerManager mManager;
 
     private Activity mCurrentActiveActivity;
-    private  BoostPluginRegistry mRegistry;
+    private PluginRegistry mRegistry;
     static NewFlutterBoost sInstance = null;
 
 
@@ -41,19 +43,18 @@ public class NewFlutterBoost {
         mManager = new FlutterViewContainerManager();
 
 
-        mRegistry = new BoostPluginRegistry(this.engineProvider(),
-                mPlatform.getApplication());
 
         platform.getApplication().registerActivityLifecycleCallbacks(new Application.ActivityLifecycleCallbacks() {
 
             @Override
             public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
                 Log.e("bbbb1", "xxxxx");
-
+                mCurrentActiveActivity=activity;
                 if (mPlatform.whenEngineStart() == ConfigBuilder.ANY_ACTIVITY_CREATED) {
                     Log.e("bbbb2", "xxxxx");
-                    mRegistry.currentActivity(activity);
-                    doInitialFlutterViewRun(mPlatform,mRegistry);
+
+                    doInitialFlutter(mPlatform);
+
                 }
             }
 
@@ -117,18 +118,18 @@ public class NewFlutterBoost {
 
         if (mPlatform.whenEngineStart() == ConfigBuilder.IMMEDIATELY) {
 
-            doInitialFlutterViewRun(mPlatform,mRegistry);
+            doInitialFlutter(mPlatform);
         }
 
 
 
     }
 
-    private void doInitialFlutterViewRun(Platform platform,BoostPluginRegistry registry) {
-        // Don't attempt to start a FlutterEngine if we're using a cached FlutterEngine.
-//        if (host.getCachedEngineId() != null) {
-//            return;
-//        }
+    private void doInitialFlutter(Platform platform ) {
+
+
+        if(platform.getEngine()!=null) return;
+
         FlutterEngine flutterEngine = platform.engineProvider();
 
         if (flutterEngine.getDartExecutor().isExecutingDart()) {
@@ -137,7 +138,9 @@ public class NewFlutterBoost {
             // So this is expected behavior in many cases.
             return;
         }
-        platform.registerPlugins(registry);
+
+        mRegistry = new ShimPluginRegistry(mPlatform.engineProvider());
+
 
         // The engine needs to receive the Flutter app's initial route before executing any
         // Dart code to ensure that the initial route arrives in time to be applied.
@@ -268,7 +271,7 @@ public class NewFlutterBoost {
         return mManager.findContainerById(id);
     }
 
-    public BoostPluginRegistry getPluginRegistry(){
+    public PluginRegistry getPluginRegistry(){
         return  mRegistry;
     }
 }

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

@@ -16,46 +16,54 @@ import io.flutter.view.FlutterMain;
 public abstract class Platform {
 
 
-    public FlutterEngine mEngine ;
+    private FlutterEngine mEngine;
 
-    public abstract  Application getApplication();
+    public abstract Application getApplication();
 
-    public abstract void openContainer(Context context, String url, Map<String,Object> urlParams, int requestCode, Map<String,Object> exts);
+    public abstract void openContainer(Context context, String url, Map<String, Object> urlParams, int requestCode, Map<String, Object> exts);
 
-    public  abstract int whenEngineStart() ;
+    public abstract int whenEngineStart();
 
-    public abstract  FlutterView.RenderMode  renderMode();
+    public abstract FlutterView.RenderMode renderMode();
 
-    public abstract boolean isDebug() ;
+    public abstract boolean isDebug();
 
-    public  abstract String initialRoute();
+    public abstract String initialRoute();
 
 
     public void closeContainer(IContainerRecord record, Map<String, Object> result, Map<String, Object> exts) {
-        if(record == null) return;
+        if (record == null) return;
 
         record.getContainer().finishContainer(result);
     }
 
     public FlutterEngine engineProvider() {
         if (mEngine == null) {
+
+            FlutterMain.startInitialization(getApplication());
+
             FlutterShellArgs flutterShellArgs = new FlutterShellArgs(new String[0]);
             FlutterMain.ensureInitializationComplete(
                     getApplication().getApplicationContext(), flutterShellArgs.toArray());
 
-            mEngine = new FlutterEngine( getApplication().getApplicationContext());
+            mEngine = new FlutterEngine(getApplication().getApplicationContext());
 
         }
         return mEngine;
 
     }
 
-    public void registerPlugins(PluginRegistry registry) {
+    public FlutterEngine getEngine() {
+        return mEngine;
+    }
+
+
+        public void registerPlugins(PluginRegistry registry) {
         try {
             Class clz = Class.forName("io.flutter.plugins.GeneratedPluginRegistrant");
-            Method method = clz.getDeclaredMethod("registerWith",PluginRegistry.class);
-            method.invoke(null,registry);
-        }catch (Throwable t){
+            Method method = clz.getDeclaredMethod("registerWith", PluginRegistry.class);
+            method.invoke(null, registry);
+        } catch (Throwable t) {
             throw new RuntimeException(t);
         }
     }

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

@@ -263,7 +263,7 @@ public class Utils {
             return;
         }
 
-        String [] arr = new String[]{"mServedView", "mNextServedView"};
+        String [] arr = new String[]{"mLastSrvView","mServedView", "mNextServedView"};
         Field f = null;
         Object obj_get = null;
         for (int i = 0;i < arr.length;i ++) {
@@ -283,7 +283,7 @@ public class Utils {
                     }
                 }
             }catch(Throwable t){
-                t.printStackTrace();
+//                t.printStackTrace();
             }
         }
     }

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

@@ -109,6 +109,8 @@ public class FlutterActivityAndFragmentDelegate  implements IFlutterViewContaine
                     host.getActivity(),
                     host.getLifecycle()
             );
+
+            NewFlutterBoost.instance().platform().registerPlugins( NewFlutterBoost.instance().getPluginRegistry());
         }
 
         host.configureFlutterEngine(flutterEngine);
@@ -147,7 +149,6 @@ public class FlutterActivityAndFragmentDelegate  implements IFlutterViewContaine
         // FlutterView.
         Log.d(TAG, "No preferred FlutterEngine was provided. Creating a new FlutterEngine for"
                 + " this NewFlutterFragment.");
-        flutterEngine = new FlutterEngine(host.getContext());
         isFlutterEngineFromHost = false;
     }
 

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

@@ -485,7 +485,7 @@ public class NewFlutterFragment extends Fragment implements FlutterActivityAndFr
      */
     @Override
     public boolean shouldAttachEngineToActivity() {
-        return getArguments().getBoolean(ARG_SHOULD_ATTACH_ENGINE_TO_ACTIVITY);
+        return true;
     }
 
 

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

@@ -11,7 +11,7 @@ import java.util.Map;
 import com.idlefish.flutterboost.interfaces.INativeRouter;
 import io.flutter.app.FlutterApplication;
 
-public class MyApplication extends FlutterApplication {
+public class MyApplication extends Application {
     @Override
     public void onCreate() {
         super.onCreate();