```
public interface HandlerWrapper
```
An interface to call through to a Handler. Instances must be created by calling Clock.createHandler(Looper, Handler.Callback) on Clock.DEFAULT for all non-test cases.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface HandlerWrapper.Message
A message obtained from the handler.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Looper`	`getLooper()`	See `Handler.getLooper()`.
`boolean`	`hasMessages(int what)`	See `Handler.hasMessages(int)`.
`HandlerWrapper.Message`	`obtainMessage(int what)`	See `Handler.obtainMessage(int)`.
`HandlerWrapper.Message`	`obtainMessage(int what, int arg1, int arg2)`	See `Handler.obtainMessage(int, int, int)`.
`HandlerWrapper.Message`	`obtainMessage(int what, int arg1, int arg2, Object obj)`	See `Handler.obtainMessage(int, int, int, Object)`.
`HandlerWrapper.Message`	`obtainMessage(int what, Object obj)`	See `Handler.obtainMessage(int, Object)`.
`boolean`	`post(Runnable runnable)`	See `Handler.post(Runnable)`.
`boolean`	`postAtFrontOfQueue(Runnable runnable)`	See `Handler.postAtFrontOfQueue(Runnable)`.
`boolean`	`postDelayed(Runnable runnable, long delayMs)`	See `Handler.postDelayed(Runnable, long)`.
`void`	`removeCallbacksAndMessages(Object token)`	See `Handler.removeCallbacksAndMessages(Object)`.
`void`	`removeMessages(int what)`	See `Handler.removeMessages(int)`.
`boolean`	`sendEmptyMessage(int what)`	See `Handler.sendEmptyMessage(int)`.
`boolean`	`sendEmptyMessageAtTime(int what, long uptimeMs)`	See `Handler.sendEmptyMessageAtTime(int, long)`.
`boolean`	`sendEmptyMessageDelayed(int what, int delayMs)`	See `Handler.sendEmptyMessageDelayed(int, long)`.
`boolean`	`sendMessageAtFrontOfQueue(HandlerWrapper.Message message)`	See `Handler.sendMessageAtFrontOfQueue(android.os.Message)`.

Method Detail

getLooper
```
Looper getLooper()
```
See Handler.getLooper().

hasMessages
```
boolean hasMessages(int what)
```
See Handler.hasMessages(int).

obtainMessage

HandlerWrapper.Message obtainMessage(int what)

See Handler.obtainMessage(int).

obtainMessage

HandlerWrapper.Message obtainMessage(int what,
                                     @Nullable
                                     Object obj)

See Handler.obtainMessage(int, Object).

obtainMessage

HandlerWrapper.Message obtainMessage(int what,
                                     int arg1,
                                     int arg2)

See Handler.obtainMessage(int, int, int).

obtainMessage

HandlerWrapper.Message obtainMessage(int what,
                                     int arg1,
                                     int arg2,
                                     @Nullable
                                     Object obj)

See Handler.obtainMessage(int, int, int, Object).

sendMessageAtFrontOfQueue
```
boolean sendMessageAtFrontOfQueue(HandlerWrapper.Message message)
```
See Handler.sendMessageAtFrontOfQueue(android.os.Message).

sendEmptyMessage
```
boolean sendEmptyMessage(int what)
```
See Handler.sendEmptyMessage(int).

sendEmptyMessageDelayed

boolean sendEmptyMessageDelayed(int what,
                                int delayMs)

See Handler.sendEmptyMessageDelayed(int, long).

sendEmptyMessageAtTime

boolean sendEmptyMessageAtTime(int what,
                               long uptimeMs)

See Handler.sendEmptyMessageAtTime(int, long).

removeMessages
```
void removeMessages(int what)
```
See Handler.removeMessages(int).

removeCallbacksAndMessages

void removeCallbacksAndMessages(@Nullable
                                Object token)

See Handler.removeCallbacksAndMessages(Object).

post
```
boolean post(Runnable runnable)
```
See Handler.post(Runnable).

postDelayed

boolean postDelayed(Runnable runnable,
                    long delayMs)

See Handler.postDelayed(Runnable, long).

postAtFrontOfQueue
```
boolean postAtFrontOfQueue(Runnable runnable)
```
See Handler.postAtFrontOfQueue(Runnable).

Interface HandlerWrapper

Nested Class Summary

Method Summary

Method Detail

getLooper

hasMessages

obtainMessage

obtainMessage

obtainMessage

obtainMessage

sendMessageAtFrontOfQueue

sendEmptyMessage

sendEmptyMessageDelayed

sendEmptyMessageAtTime

removeMessages

removeCallbacksAndMessages

post

postDelayed

postAtFrontOfQueue