add navigator demo for Android and single activity multi fragment

Android/app/src/main/java/pub/doric/demo/DemoActivity.java

@@ -30,6 +30,7 @@ import org.greenrobot.eventbus.ThreadMode;
 import pub.doric.DoricContext;
 import pub.doric.DoricContextManager;
 import pub.doric.DoricPanel;
+import pub.doric.devkit.DoricContextDebuggable;
 import pub.doric.devkit.event.EnterDebugEvent;
 import pub.doric.devkit.event.QuitDebugEvent;
 import pub.doric.devkit.event.ReloadEvent;

Android/app/src/main/java/pub/doric/demo/MainActivity.java

@@ -47,7 +47,6 @@ public class MainActivity extends AppCompatActivity {
         try {
             String[] demos = getAssets().list("demo");
             List<String> ret = new ArrayList<>();
-            ret.add("Navigator");
             for (String str : demos) {
                 if (str.endsWith("js")) {
                     ret.add(str);
@@ -91,8 +90,10 @@ public class MainActivity extends AppCompatActivity {
             tv.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
-                    if (position == 0) {
+                    if (data[position].contains("NavigatorDemo")) {
                         Intent intent = new Intent(tv.getContext(), DoricActivity.class);
+                        intent.putExtra("scheme", "assets://demo/" + data[position]);
+                        intent.putExtra("alias", data[position]);
                         tv.getContext().startActivity(intent);
                         return;
                     }

Android/doric/src/main/java/pub/doric/DoricActivity.java

@@ -19,7 +19,6 @@ import android.os.Bundle;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.fragment.app.Fragment;
 
 /**
  * @Description: pub.doric.demo
@@ -27,19 +26,28 @@ import androidx.fragment.app.Fragment;
  * @CreateDate: 2019-11-19
  */
 public class DoricActivity extends AppCompatActivity {
+    private DoricFragment doricFragment;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.doric_activity);
         if (savedInstanceState == null) {
-            Fragment doricFragment = getSupportFragmentManager().getFragmentFactory().instantiate(
+            String scheme = getIntent().getStringExtra("scheme");
-                    getClassLoader(),
+            String alias = getIntent().getStringExtra("alias");
-                    DoricFragment.class.getName()
+            doricFragment = DoricFragment.newInstance(scheme, alias);
-            );
             getSupportFragmentManager().beginTransaction()
                     .add(R.id.container, doricFragment)
                     .commit();
         }
     }
+
+    @Override
+    public void onBackPressed() {
+        if (doricFragment.canPop()) {
+            doricFragment.pop();
+        } else {
+            super.onBackPressed();
+        }
+    }
 }

Android/doric/src/main/java/pub/doric/DoricContext.java

@@ -26,6 +26,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import pub.doric.async.AsyncResult;
+import pub.doric.navigator.IDoricNavigator;
 import pub.doric.plugin.DoricJavaPlugin;
 import pub.doric.shader.RootNode;
 import pub.doric.utils.DoricConstant;
@@ -148,4 +149,14 @@ public class DoricContext {
     public void onHidden() {
         callEntity(DoricConstant.DORIC_ENTITY_HIDDEN);
     }
+
+    private IDoricNavigator doricNavigator;
+
+    public void setDoricNavigator(IDoricNavigator doricNavigator) {
+        this.doricNavigator = doricNavigator;
+    }
+
+    public IDoricNavigator getDoricNavigator() {
+        return this.doricNavigator;
+    }
 }

Android/doric/src/main/java/pub/doric/DoricFragment.java

@@ -19,32 +19,66 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.FrameLayout;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 
+import pub.doric.navigator.IDoricNavigator;
+
 /**
  * @Description: pub.doric
  * @Author: pengfei.zhou
  * @CreateDate: 2019-11-23
  */
-public class DoricFragment extends Fragment {
+public class DoricFragment extends Fragment implements IDoricNavigator {
-    private FrameLayout root;
+
+    public static DoricFragment newInstance(String scheme, String alias) {
+        Bundle args = new Bundle();
+        args.putString("scheme", scheme);
+        args.putString("alias", alias);
+        DoricFragment fragment = new DoricFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
 
     @Nullable
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        root = (FrameLayout) inflater.inflate(R.layout.doric_fragment, container, false);
+        return inflater.inflate(R.layout.doric_fragment, container, false);
-        return root;
     }
 
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
-        requireFragmentManager().beginTransaction()
+        Bundle argument = getArguments();
-                .add(R.id.root, DoricPanelFragment.newInstance("assets://demo/Counter.js", "Counter.js"))
+        if (argument != null) {
+            String alias = argument.getString("alias");
+            String scheme = argument.getString("scheme");
+            push(scheme, alias);
+        }
+    }
+
+    @Override
+    public void push(String scheme, String alias) {
+        getChildFragmentManager().beginTransaction()
+                .add(R.id.root, DoricPanelFragment.newInstance(scheme, alias))
+                .addToBackStack(scheme)
                 .commit();
     }
+
+    @Override
+    public void pop() {
+        if (canPop()) {
+            getChildFragmentManager().popBackStack();
+        } else {
+            if (getActivity() != null) {
+                getActivity().finish();
+            }
+        }
+    }
+
+    public boolean canPop() {
+        return getChildFragmentManager().getBackStackEntryCount() > 1;
+    }
 }

Android/doric/src/main/java/pub/doric/DoricPanelFragment.java

@@ -16,7 +16,6 @@
 package pub.doric;
 
 import android.os.Bundle;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -27,6 +26,7 @@ import androidx.fragment.app.Fragment;
 
 import pub.doric.async.AsyncResult;
 import pub.doric.loader.DoricJSLoaderManager;
+import pub.doric.navigator.IDoricNavigator;
 import pub.doric.utils.DoricLog;
 
 /**
@@ -67,6 +67,11 @@ public class DoricPanelFragment extends Fragment {
             @Override
             public void onResult(String result) {
                 doricPanel.config(result, alias);
+                DoricContext context = doricPanel.getDoricContext();
+                Fragment fragment = getParentFragment();
+                if (fragment instanceof IDoricNavigator) {
+                    context.setDoricNavigator((IDoricNavigator) fragment);
+                }
             }
 
             @Override

Android/doric/src/main/java/pub/doric/navigator/IDoricNavigator.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package pub.doric.navigator;
+
+/**
+ * @Description: pub.doric.navigator
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-11-23
+ */
+public interface IDoricNavigator {
+    void push(String scheme, String alias);
+
+    void pop();
+}

Android/doric/src/main/java/pub/doric/plugin/ModalPlugin.java

@@ -50,7 +50,7 @@ public class ModalPlugin extends DoricJavaPlugin {
     }
 
     @DoricMethod(thread = ThreadMode.UI)
-    public void toast(JSDecoder decoder, DoricPromise promise) {
+    public void toast(JSDecoder decoder) {
         try {
             JSObject jsObject = decoder.decode().asObject();
             String msg = jsObject.getProperty("msg").asString().value();

Android/doric/src/main/java/pub/doric/plugin/NavigatorPlugin.java

@@ -15,8 +15,15 @@
  */
 package pub.doric.plugin;
 
+import com.github.pengfeizhou.jscore.ArchiveException;
+import com.github.pengfeizhou.jscore.JSDecoder;
+import com.github.pengfeizhou.jscore.JSObject;
+
 import pub.doric.DoricContext;
+import pub.doric.extension.bridge.DoricMethod;
 import pub.doric.extension.bridge.DoricPlugin;
+import pub.doric.navigator.IDoricNavigator;
+import pub.doric.utils.ThreadMode;
 
 /**
  * @Description: pub.doric.plugin
@@ -28,4 +35,27 @@ public class NavigatorPlugin extends DoricJavaPlugin {
     public NavigatorPlugin(DoricContext doricContext) {
         super(doricContext);
     }
+
+    @DoricMethod(thread = ThreadMode.UI)
+    public void push(JSDecoder jsDecoder) {
+        IDoricNavigator navigator = getDoricContext().getDoricNavigator();
+        if (navigator != null) {
+            try {
+                JSObject jsObject = jsDecoder.decode().asObject();
+                navigator.push(jsObject.getProperty("scheme").asString().value(),
+                        jsObject.getProperty("alias").asString().value()
+                );
+            } catch (ArchiveException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    @DoricMethod(thread = ThreadMode.UI)
+    public void pop() {
+        IDoricNavigator navigator = getDoricContext().getDoricNavigator();
+        if (navigator != null) {
+            navigator.pop();
+        }
+    }
 }

Android/doric/src/main/res/layout/doric_framgent_panel.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <pub.doric.DoricPanel xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
+    android:layout_height="match_parent"
+    android:background="#ffffff" />

demo/index.ts

@@ -10,4 +10,5 @@ export default [
     'src/ModalDemo',
     'src/NetworkDemo',
     'src/StorageDemo',
+    'src/NavigatorDemo',
 ]

demo/src/NavigatorDemo.ts

@@ -0,0 +1,50 @@
+import { Panel, scroller, vlayout, text, layoutConfig, LayoutSpec, Color, gravity, IVLayout, Group, IText, navigator } from "doric";
+import { colors, label } from "./utils";
+@Entry
+class NaivgatorDemo extends Panel {
+    build(root: Group) {
+        scroller(vlayout([
+            text({
+                text: "Navigator Demo",
+                layoutConfig: layoutConfig().w(LayoutSpec.AT_MOST),
+                textSize: 30,
+                textColor: Color.WHITE,
+                bgColor: colors[1],
+                textAlignment: gravity().center(),
+                height: 50,
+            }),
+            ...['Counter', 'EffectsDemo', 'ImageDemo', 'LayoutDemo',
+                'ListDemo', 'ModalDemo', 'NavigatorDemo',
+                'NetworkDemo', 'ScrollerDemo', 'SliderDemo', 'Snake', 'StorageDemo'].map(e =>
+                    label(e).apply({
+                        height: 50,
+                        bgColor: colors[0],
+                        textSize: 30,
+                        textColor: Color.WHITE,
+                        layoutConfig: layoutConfig().exactly().w(LayoutSpec.AT_MOST),
+                        onClick: () => {
+                            navigator(context).push(`assets://demo/${e}.js`, `${e}.js`)
+                        },
+                    } as IText)
+                ),
+            label('POP').apply({
+                width: 200,
+                height: 50,
+                bgColor: colors[0],
+                textSize: 30,
+                textColor: Color.WHITE,
+                layoutConfig: layoutConfig().exactly(),
+                onClick: () => {
+                    navigator(context).pop()
+                },
+            } as IText),
+        ]).apply({
+            layoutConfig: layoutConfig().atmost().h(LayoutSpec.WRAP_CONTENT),
+            gravity: gravity().center(),
+            space: 10,
+        } as IVLayout)).apply({
+            layoutConfig: layoutConfig().atmost(),
+        }).in(root)
+    }
+
+}

js-framework/src/util/nativeModules.ts

@@ -167,3 +167,16 @@ export function storage(context: BridgeContext) {
         },
     }
 }
+
+export function navigator(context: BridgeContext) {
+    return {
+        push: (scheme: string, alias: string) => {
+            return context.navigator.push({
+                scheme, alias
+            })
+        },
+        pop: () => {
+            return context.navigator.pop()
+        },
+    }
+}