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;
+    }
+})