improve

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

@@ -35,12 +35,15 @@ public class BoostEngineProvider implements IFlutterEngineProvider {
 
     private BoostFlutterEngine mEngine = null;
 
-    BoostEngineProvider() {
-    }
+    public BoostEngineProvider() {}
 
     @Override
     public BoostFlutterEngine createEngine(Context context) {
+        return new BoostFlutterEngine(context.getApplicationContext());
+    }
 
+    @Override
+    public BoostFlutterEngine provideEngine(Context context) {
         Utils.assertCallOnMainThread();
 
         if (mEngine == null) {
@@ -48,7 +51,7 @@ public class BoostEngineProvider implements IFlutterEngineProvider {
             FlutterMain.ensureInitializationComplete(
                     context.getApplicationContext(), flutterShellArgs.toArray());
 
-            mEngine = new BoostFlutterEngine(context.getApplicationContext());
+            mEngine = createEngine(context.getApplicationContext());
 
             final IStateListener stateListener = FlutterBoost.sInstance.mStateListener;
             if(stateListener != null) {

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

@@ -23,13 +23,31 @@ import io.flutter.view.TextureRegistry;
 public class BoostFlutterEngine extends FlutterEngine {
     protected final Context mContext;
     protected final BoostPluginRegistry mBoostPluginRegistry;
+    protected final DartExecutor.DartEntrypoint mEntrypoint;
+    protected final String mInitRoute;
 
     protected WeakReference<Activity> mCurrentActivityRef;
 
     public BoostFlutterEngine(@NonNull Context context) {
+        this(context,null,null);
+    }
+
+    public BoostFlutterEngine(@NonNull Context context,DartExecutor.DartEntrypoint entrypoint,String initRoute) {
         super(context);
         mContext = context.getApplicationContext();
         mBoostPluginRegistry = new BoostPluginRegistry(this,context);
+
+        if(entrypoint != null) {
+            mEntrypoint = entrypoint;
+        }else{
+            mEntrypoint = defaultDartEntrypoint(context);
+        }
+
+        if(initRoute != null) {
+            mInitRoute = initRoute;
+        }else{
+            mInitRoute = defaultInitialRoute(context);
+        }
     }
 
     public void startRun(@Nullable Activity activity) {
@@ -39,13 +57,8 @@ public class BoostFlutterEngine extends FlutterEngine {
 
             Debuger.log("engine start running...");
 
-            getNavigationChannel().setInitialRoute("/");
-
-            DartExecutor.DartEntrypoint entryPoint = new DartExecutor.DartEntrypoint(
-                    mContext.getResources().getAssets(),
-                    FlutterMain.findAppBundlePath(mContext),
-                    "main");
-            getDartExecutor().executeDartEntrypoint(entryPoint);
+            getNavigationChannel().setInitialRoute(mInitRoute);
+            getDartExecutor().executeDartEntrypoint(mEntrypoint);
 
             final IStateListener stateListener = FlutterBoost.sInstance.mStateListener;
             if(stateListener != null) {
@@ -56,6 +69,17 @@ public class BoostFlutterEngine extends FlutterEngine {
         }
     }
 
+    protected DartExecutor.DartEntrypoint defaultDartEntrypoint(Context context){
+        return new DartExecutor.DartEntrypoint(
+                context.getResources().getAssets(),
+                FlutterMain.findAppBundlePath(context),
+                "main");
+    }
+
+    protected String defaultInitialRoute(Context context){
+        return "/";
+    }
+
     public BoostPluginRegistry getBoostPluginRegistry(){
         return mBoostPluginRegistry;
     }

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

@@ -167,7 +167,7 @@ public class BoostFlutterView extends FrameLayout {
     }
 
     protected BoostFlutterEngine createFlutterEngine(Context context) {
-        return FlutterBoost.singleton().engineProvider().createEngine(context);
+        return FlutterBoost.singleton().engineProvider().provideEngine(context);
     }
 
     public void addFirstFrameRendered(OnFirstFrameRenderedListener listener) {

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

@@ -53,7 +53,7 @@ public class FlutterBoost {
 
         if (platform.whenEngineStart() == IPlatform.IMMEDIATELY) {
             sInstance.mEngineProvider
-                    .createEngine(platform.getApplication())
+                    .provideEngine(platform.getApplication())
                     .startRun(null);
         }
     }
@@ -76,7 +76,12 @@ public class FlutterBoost {
     private FlutterBoost(IPlatform platform) {
         mPlatform = platform;
         mManager = new FlutterViewContainerManager();
-        mEngineProvider = new BoostEngineProvider();
+
+        IFlutterEngineProvider provider = platform.engineProvider();
+        if(provider == null) {
+            provider = new BoostEngineProvider();
+        }
+        mEngineProvider = provider;
         platform.getApplication().registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks());
 
         BoostChannel.addActionAfterRegistered(new BoostChannel.ActionAfterRegistered() {
@@ -120,7 +125,7 @@ public class FlutterBoost {
         public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
             if (platform().whenEngineStart() == IPlatform.ANY_ACTIVITY_CREATED) {
                 sInstance.mEngineProvider
-                        .createEngine(activity)
+                        .provideEngine(activity)
                         .startRun(activity);
             }
         }

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

 package com.idlefish.flutterboost;
 
 import com.idlefish.flutterboost.interfaces.IContainerRecord;
+import com.idlefish.flutterboost.interfaces.IFlutterEngineProvider;
 import com.idlefish.flutterboost.interfaces.IPlatform;
 
+import java.lang.reflect.Method;
 import java.util.Map;
 
+import io.flutter.plugin.common.PluginRegistry;
+
 public abstract class Platform implements IPlatform {
 
+    @Override
+    public boolean isDebug() {
+        return false;
+    }
+
     @Override
     public void closeContainer(IContainerRecord record, Map<String, Object> result, Map<String, Object> exts) {
         if(record == null) return;
@@ -14,6 +23,22 @@ public abstract class Platform implements IPlatform {
         record.getContainer().finishContainer(result);
     }
 
+    @Override
+    public IFlutterEngineProvider engineProvider() {
+        return new BoostEngineProvider();
+    }
+
+    @Override
+    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){
+            throw new RuntimeException(t);
+        }
+    }
+
     @Override
     public int whenEngineStart() {
         return ANY_ACTIVITY_CREATED;

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

@@ -98,7 +98,7 @@ public abstract class BoostFlutterActivity extends Activity implements IFlutterV
     }
 
     protected BoostFlutterEngine createFlutterEngine(){
-        return FlutterBoost.singleton().engineProvider().createEngine(this);
+        return FlutterBoost.singleton().engineProvider().provideEngine(this);
     }
 
     protected BoostFlutterView createFlutterView(BoostFlutterEngine engine){

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

@@ -62,7 +62,7 @@ abstract public class BoostFlutterFragment extends Fragment implements IFlutterV
     }
 
     protected BoostFlutterEngine createFlutterEngine(){
-        return FlutterBoost.singleton().engineProvider().createEngine(getContext());
+        return FlutterBoost.singleton().engineProvider().provideEngine(getContext());
     }
 
     protected BoostFlutterView createFlutterView(BoostFlutterEngine engine){

android/src/main/java/com/idlefish/flutterboost/interfaces/IFlutterEngineProvider.java

@@ -38,6 +38,13 @@ public interface IFlutterEngineProvider {
      */
     BoostFlutterEngine createEngine(Context context);
 
+    /**
+     * provide a flutter engine
+     * @param context
+     * @return
+     */
+    BoostFlutterEngine provideEngine(Context context);
+
     /**
      * may return null
      * @return

android/src/main/java/com/idlefish/flutterboost/interfaces/IPlatform.java

@@ -63,6 +63,8 @@ public interface IPlatform {
 
     void closeContainer(IContainerRecord record, Map<String,Object> result, Map<String,Object> exts);
 
+    IFlutterEngineProvider engineProvider();
+
     /**
      * @return
      *

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

@@ -3,14 +3,19 @@ package com.taobao.idlefish.flutterboostexample;
 import android.app.Application;
 import android.content.Context;
 
+import com.idlefish.flutterboost.BoostEngineProvider;
+import com.idlefish.flutterboost.BoostFlutterEngine;
 import com.idlefish.flutterboost.FlutterBoost;
 import com.idlefish.flutterboost.Platform;
+import com.idlefish.flutterboost.interfaces.IFlutterEngineProvider;
 
 import java.util.Map;
 
 import io.flutter.app.FlutterApplication;
+import io.flutter.embedding.engine.dart.DartExecutor;
 import io.flutter.plugin.common.PluginRegistry;
 import io.flutter.plugins.GeneratedPluginRegistrant;
+import io.flutter.view.FlutterMain;
 
 public class MyApplication extends FlutterApplication {
     @Override
@@ -25,18 +30,21 @@ public class MyApplication extends FlutterApplication {
             }
 
             @Override
-            public boolean isDebug() {
-                return true;
+            public void openContainer(Context context, String url, Map<String, Object> urlParams, int requestCode, Map<String, Object> exts) {
+                PageRouter.openPageByUrl(context,url,urlParams,requestCode);
             }
 
             @Override
-            public void registerPlugins(PluginRegistry registry) {
-                GeneratedPluginRegistrant.registerWith(registry);
-            }
-
+            public IFlutterEngineProvider engineProvider() {
+                return new BoostEngineProvider(){
                     @Override
-            public void openContainer(Context context, String url, Map<String, Object> urlParams, int requestCode, Map<String, Object> exts) {
-                PageRouter.openPageByUrl(context,url,urlParams,requestCode);
+                    public BoostFlutterEngine createEngine(Context context) {
+                        return new BoostFlutterEngine(context, new DartExecutor.DartEntrypoint(
+                                context.getResources().getAssets(),
+                                FlutterMain.findAppBundlePath(context),
+                                "main2"),"/");
+                    }
+                };
             }
 
             @Override

example/ios/Runner/GeneratedPluginRegistrant.m

@@ -4,13 +4,11 @@
 
 #import "GeneratedPluginRegistrant.h"
 #import <flutter_boost/BoostChannel.h>
-#import <xservice_kit/XserviceKitPlugin.h>
 
 @implementation GeneratedPluginRegistrant
 
 + (void)registerWithRegistry:(NSObject<FlutterPluginRegistry>*)registry {
   [BoostChannel registerWithRegistrar:[registry registrarForPlugin:@"BoostChannel"]];
-  [XserviceKitPlugin registerWithRegistrar:[registry registrarForPlugin:@"XserviceKitPlugin"]];
 }
 
 @end

example/lib/main.dart

@@ -6,6 +6,11 @@ void main() {
   runApp(MyApp());
 }
 
+void main2() {
+  print("terry run main2");
+  runApp(MyApp());
+}
+
 class MyApp extends StatefulWidget {
   @override
   _MyAppState createState() => _MyAppState();