fix(autojs): ui.emitter.emit() may make app crash if callback throws exception

add(sample): 界面模板一.js

app/src/main/assets/sample/复杂界面/界面模板一.js

@@ -0,0 +1,89 @@
+"ui";
+
+var color = "#009688";
+
+ui.layout(
+    <drawer id="drawer">
+        <vertical>
+            <appbar>
+                <toolbar id="toolbar" title="示例"/>
+                <tabs id="tabs"/>
+            </appbar>
+            <viewpager id="viewpager">
+                <frame>
+                    <text text="第一页内容" textColor="black" textSize="16sp"/>
+                </frame>
+                <frame>
+                    <text text="第二页内容" textColor="red" textSize="16sp"/>
+                </frame>
+                <frame>
+                    <text text="第三页内容" textColor="green" textSize="16sp"/>
+                </frame>
+            </viewpager>
+        </vertical>
+        <vertical layout_gravity="left" bg="#ffffff" w="280">
+            <img w="280" h="200" scaleType="fitXY" src="http://images.shejidaren.com/wp-content/uploads/2014/10/023746fki.jpg"/>
+            <list id="menu">
+                <horizontal bg="?selectableItemBackground" w="*">
+                    <img w="50" h="50" padding="16" src="{{this.icon}}" tint="{{color}}"/>
+                    <text textColor="black" textSize="15sp" text="{{this.title}}" layout_gravity="center"/>
+                </horizontal>
+            </list>
+        </vertical>
+    </drawer>
+);
+
+
+//创建选项菜单(右上角)
+ui.emitter.on("create_options_menu", menu=>{
+    menu.add("设置");
+    menu.add("关于");
+});
+//监听选项菜单点击
+ui.emitter.on("options_item_selected", (e, item)=>{
+    switch(item.getTitle()){
+        case "设置":
+            toast("还没有设置");
+            break;
+        case "关于":
+            alert("关于", "Auto.js界面模板 v1.0.0");
+            break;
+    }
+    e.consumed = true;
+});
+activity.setSupportActionBar(ui.toolbar);
+
+//设置滑动页面的标题
+ui.viewpager.setTitles(["标签一", "标签二", "标签三"]);
+//让滑动页面和标签栏联动
+ui.tabs.setupWithViewPager(ui.viewpager);
+
+//让工具栏左上角可以打开侧拉菜单
+ui.toolbar.setupWithDrawer(ui.drawer);
+
+ui.menu.setDataSource([
+  {
+      title: "选项一",
+      icon: "@drawable/ic_android_black_48dp"
+  },
+  {
+      title: "选项二",
+      icon: "@drawable/ic_settings_black_48dp"
+  },
+  {
+      title: "选项三",
+      icon: "@drawable/ic_favorite_black_48dp"
+  },
+  {
+      title: "退出",
+      icon: "@drawable/ic_exit_to_app_black_48dp"
+  }
+]);
+
+ui.menu.on("item_click", item => {
+    switch(item.title){
+        case "退出":
+            ui.finish();
+            break;
+    }
+})

autojs/src/main/assets/modules/__bridges__.js

@@ -20,6 +20,9 @@ bridges.call = function (func, target, args) {
 
 */
 function wrap(value){
+    if(value == null || value == undefined){
+        return value;
+    }
     if(!(typeof(value) == 'object' && value.getClass && util.isFunction(value.getClass))){
         return value;
     }

autojs/src/main/java/com/stardust/autojs/execution/ScriptExecuteActivity.java

@@ -5,7 +5,9 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.PersistableBundle;
+import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -13,13 +15,18 @@ import android.view.MotionEvent;
 
 import com.stardust.autojs.core.eventloop.EventEmitter;
 import com.stardust.autojs.core.eventloop.SimpleEvent;
+import com.stardust.autojs.core.ui.inflater.inflaters.Exceptions;
 import com.stardust.autojs.engine.JavaScriptEngine;
 import com.stardust.autojs.engine.LoopBasedJavaScriptEngine;
 import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.engine.ScriptEngineManager;
+import com.stardust.autojs.runtime.ScriptRuntime;
+import com.stardust.autojs.runtime.api.UI;
 import com.stardust.autojs.script.ScriptSource;
 import com.stardust.util.IntentExtras;
 
+import org.mozilla.javascript.NativeObject;
+
 /**
  * Created by Stardust on 2017/2/5.
  */
@@ -34,6 +41,7 @@ public class ScriptExecuteActivity extends AppCompatActivity {
     private ScriptSource mScriptSource;
     private ActivityScriptExecution mScriptExecution;
     private IntentExtras mIntentExtras;
+    private ScriptRuntime mRuntime;
 
 
     private EventEmitter mEventEmitter;
@@ -62,7 +70,8 @@ public class ScriptExecuteActivity extends AppCompatActivity {
         mScriptSource = mScriptExecution.getSource();
         mScriptEngine = mScriptExecution.createEngine(this);
         mExecutionListener = mScriptExecution.getListener();
-        mEventEmitter = new EventEmitter(((JavaScriptEngine) mScriptEngine).getRuntime().bridges);
+        mRuntime = ((JavaScriptEngine) mScriptEngine).getRuntime();
+        mEventEmitter = new EventEmitter(mRuntime.bridges);
         runScript();
     }
 
@@ -153,7 +162,7 @@ public class ScriptExecuteActivity extends AppCompatActivity {
     @Override
     public void onBackPressed() {
         SimpleEvent event = new SimpleEvent();
-        mEventEmitter.emit("back_pressed", event);
+        emit("back_pressed", event);
         if (!event.consumed) {
             super.onBackPressed();
         }
@@ -161,14 +170,14 @@ public class ScriptExecuteActivity extends AppCompatActivity {
 
     @Override
     protected void onPause() {
-        mEventEmitter.emit("pause");
+        emit("pause");
         super.onPause();
     }
 
     @Override
     protected void onResume() {
         super.onResume();
-        mEventEmitter.emit("resume");
+        emit("resume");
     }
 
     @Override
@@ -179,19 +188,19 @@ public class ScriptExecuteActivity extends AppCompatActivity {
     @Override
     protected void onRestoreInstanceState(Bundle savedInstanceState) {
         super.onRestoreInstanceState(savedInstanceState);
-        mEventEmitter.emit("restore_instance_state", savedInstanceState);
+        emit("restore_instance_state", savedInstanceState);
     }
 
     @Override
     public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
         super.onSaveInstanceState(outState, outPersistentState);
-        mEventEmitter.emit("save_instance_state", outState, outPersistentState);
+        emit("save_instance_state", outState, outPersistentState);
     }
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         SimpleEvent e = new SimpleEvent();
-        mEventEmitter.emit("key_down", keyCode, event, e);
+        emit("key_down", keyCode, event, e);
         return e.consumed || super.onKeyDown(keyCode, event);
 
     }
@@ -199,29 +208,41 @@ public class ScriptExecuteActivity extends AppCompatActivity {
     @Override
     public boolean onGenericMotionEvent(MotionEvent event) {
         SimpleEvent e = new SimpleEvent();
-        mEventEmitter.emit("generic_motion_event", event, e);
+        emit("generic_motion_event", event, e);
         return super.onGenericMotionEvent(event);
     }
 
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
-        mEventEmitter.emit("activity_result", requestCode, resultCode, data);
+        emit("activity_result", requestCode, resultCode, data);
     }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        mEventEmitter.emit("create_options_menu", menu);
+        emit("create_options_menu", menu);
         return menu.size() > 0;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         SimpleEvent e = new SimpleEvent();
-        mEventEmitter.emit("options_item_selected", e, item);
+        emit("options_item_selected", e, item);
         return e.consumed || super.onOptionsItemSelected(item);
     }
 
+    public void emit(String event, Object... args) {
+        try {
+            mEventEmitter.emit(event, (Object[]) args);
+        } catch (Exception e) {
+            mRuntime.exit(e);
+        }
+    }
+
+    public void setSupportActionBar(@Nullable NativeObject toolbar) {
+        super.setSupportActionBar(UI.unwrapJsViewObject(toolbar, Toolbar.class));
+    }
+
     private static class ActivityScriptExecution extends ScriptExecution.AbstractScriptExecution {
 
         private ScriptEngine mScriptEngine;

autojs/src/main/java/com/stardust/autojs/runtime/api/UI.java

@@ -2,6 +2,7 @@ package com.stardust.autojs.runtime.api;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.support.annotation.Nullable;
 import android.view.View;
 
 import com.stardust.autojs.core.graphics.ScriptCanvasView;
@@ -55,7 +56,9 @@ public class UI extends ProxyObject {
     }
 
     @SuppressWarnings("unchecked")
-    public static <V extends View> V unwrapJsViewObject(NativeObject object, Class<V> c) {
+    public static <V extends View> V unwrapJsViewObject(@Nullable NativeObject object, Class<V> c) {
+        if (object == null)
+            return null;
         if (!object.containsKey("__javaObject__")) {
             throw new ClassCastException("object " + object + " cannot be cast to " + c.getName());
         }