
public class ActivityUtils

Modifier and Type	Method	Description
`static boolean`	`isActivityNotAlive(Activity activity)`
`static boolean`	`isActivityAlive(Activity activity)`
`static Observable<Activity>`	`getStackTopActivity()`	特殊场景使用（sdk需要获取当前顶部Activity给用户提示）

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 static boolean isActivityNotAlive(Activity activity)

 static boolean isActivityAlive(Activity activity)

getStackTopActivity
```
 static Observable<Activity> getStackTopActivity()
```
特殊场景使用（sdk需要获取当前顶部Activity给用户提示）

Class ActivityUtils