Callback

```
public interface ProcessLifecycleMonitor.Callback

                    
```
Receives process-level lifecycle events from ProcessLifecycleMonitor. Each method is called at most once per foreground/background transition, regardless of how many activities are involved.

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`onStarted()`	Called when the app process enters the foreground (first activity started).
`abstract Unit`	`onResumed()`	Called when the app process is fully resumed (first activity resumed).
`abstract Unit`	`onStopped()`	Called when the app process leaves the foreground (last activity stopped).
`abstract Unit`	`onPaused()`	Called when the app process is fully paused (last activity paused).

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

- Method Detail
  - onStarted
```
 abstract Unit onStarted()
```
    Called when the app process enters the foreground (first activity started).
  - onResumed
```
 abstract Unit onResumed()
```
    Called when the app process is fully resumed (first activity resumed).
  - onStopped
```
 abstract Unit onStopped()
```
    Called when the app process leaves the foreground (last activity stopped).
  - onPaused
```
 abstract Unit onPaused()
```
    Called when the app process is fully paused (last activity paused).