修复 ui线程下ui.xxx.on等函数不存在的问题

修复 非ui线程下ui.xxx.on等函数报错的问题
新增 注册ui.xxx支持增加成员
修复 多线程环境没有调用Context.exit()可能造成的内存泄漏

automator/src/main/java/com/stardust/automator/UiGlobalSelector.java

@@ -446,7 +446,9 @@ public class UiGlobalSelector {
         for (ListFilter filter : mFilters) {
             str.append(filter.toString()).append(".");
         }
-        str.deleteCharAt(str.length() - 1);
+        if(str.length() > 0){
+            str.deleteCharAt(str.length() - 1);
+        }
         return str.toString();
     }
 }

automator/src/main/java/com/stardust/automator/UiObjectCollection.java

@@ -42,7 +42,7 @@ public class UiObjectCollection {
     }
 
     public UiObject[] toArray(){
-        return mNodes.toArray(new UiObject[mNodes.size()]);
+        return mNodes.toArray(new UiObject[0]);
     }
 
     public boolean performAction(int action) {

automator/src/main/java/com/stardust/view/accessibility/AccessibilityInfoProvider.java

@@ -60,7 +60,7 @@ public class AccessibilityInfoProvider implements AccessibilityDelegate {
             return;
         try {
             ComponentName componentName = new ComponentName(latestPackageStr, latestClassStr);
-            mLatestActivity = mPackageManager.getActivityInfo(componentName, 0).name;
+            mLatestActivity = mPackageManager.getActivityInfo(componentName, PackageManager.MATCH_DEFAULT_ONLY).name;
         } catch (PackageManager.NameNotFoundException ignored) {
             return;
         }