Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Constants](https://developer.android.com/reference/android/view/ViewDebug#constants) \| [Ctors](https://developer.android.com/reference/android/view/ViewDebug#pubctors) \| [Methods](https://developer.android.com/reference/android/view/ViewDebug#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/view/ViewDebug#inhmethods)

# ViewDebug

*** ** * ** ***

` public class ViewDebug `   
` extends https://developer.android.com/reference/java/lang/Object ` ` `

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.view.ViewDebug |

<br />

*** ** * ** ***

Various debugging/tracing tools related to `https://developer.android.com/reference/android/view/View` and the view hierarchy.

## Summary

| ### Constants ||
|---|---|
| `boolean` | `https://developer.android.com/reference/android/view/ViewDebug#TRACE_HIERARCHY` *This constant was deprecated in API level 16. This flag is now unused* |
| `boolean` | `https://developer.android.com/reference/android/view/ViewDebug#TRACE_RECYCLER` *This constant was deprecated in API level 16. This flag is now unused* |

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/view/ViewDebug#ViewDebug()() ` |

| ### Public methods ||
|---|---|
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#dumpCapturedView(java.lang.String,%20java.lang.Object)(https://developer.android.com/reference/java/lang/String tag, https://developer.android.com/reference/java/lang/Object view) ` Dump view info for id based instrument test generation (and possibly further data analysis). |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#startHierarchyTracing(java.lang.String,%20android.view.View)(https://developer.android.com/reference/java/lang/String prefix, https://developer.android.com/reference/android/view/View view) ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#startRecyclerTracing(java.lang.String,%20android.view.View)(https://developer.android.com/reference/java/lang/String prefix, https://developer.android.com/reference/android/view/View view) ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#stopHierarchyTracing()() ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#stopRecyclerTracing()() ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#trace(android.view.View,%20android.view.ViewDebug.RecyclerTraceType,%20int[])(https://developer.android.com/reference/android/view/View view, https://developer.android.com/reference/android/view/ViewDebug.RecyclerTraceType type, int... parameters) ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |
| ` static void` | ` https://developer.android.com/reference/android/view/ViewDebug#trace(android.view.View,%20android.view.ViewDebug.HierarchyTraceType)(https://developer.android.com/reference/android/view/View view, https://developer.android.com/reference/android/view/ViewDebug.HierarchyTraceType type) ` *This method was deprecated in API level 16. This method is now unused and invoking it is a no-op* |

### Inherited methods

From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` https://developer.android.com/reference/java/lang/Object#finalize()() `

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
` final https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait()() `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.

## Constants

### TRACE_HIERARCHY

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final boolean TRACE_HIERARCHY
```

<br />

**This constant was deprecated in API level 16.**   

This flag is now unused

<br />

<br />

Constant Value: false

### TRACE_RECYCLER

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final boolean TRACE_RECYCLER
```

<br />

**This constant was deprecated in API level 16.**   

This flag is now unused

<br />

<br />

Constant Value: false

## Public constructors

### ViewDebug

```
public ViewDebug ()
```

<br />

<br />

## Public methods

### dumpCapturedView

Added in [API level 3](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void dumpCapturedView (String tag, 
                Object view)
```

Dump view info for id based instrument test generation (and possibly further data analysis). The results are dumped to the log.

<br />

| Parameters ||
|---|---|
| `tag` | `String`: for log <br /> |
| `view` | `Object`: for dump <br /> |

### startHierarchyTracing

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void startHierarchyTracing (String prefix, 
                View view)
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

| Parameters ||
|---|---|
| `prefix` | `String` <br /> |
| `view` | `View` <br /> |

### startRecyclerTracing

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void startRecyclerTracing (String prefix, 
                View view)
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

| Parameters ||
|---|---|
| `prefix` | `String` <br /> |
| `view` | `View` <br /> |

### stopHierarchyTracing

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void stopHierarchyTracing ()
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

### stopRecyclerTracing

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void stopRecyclerTracing ()
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

### trace

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void trace (View view, 
                ViewDebug.RecyclerTraceType type, 
                int... parameters)
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

| Parameters ||
|---|---|
| `view` | `View` <br /> |
| `type` | `ViewDebug.RecyclerTraceType` <br /> |
| `parameters` | `int` <br /> |

### trace

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static void trace (View view, 
                ViewDebug.HierarchyTraceType type)
```

<br />

**This method was deprecated in API level 16.**   

This method is now unused and invoking it is a no-op

<br />

<br />

| Parameters ||
|---|---|
| `view` | `View` <br /> |
| `type` | `ViewDebug.HierarchyTraceType` <br /> |