Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Nested Classes](https://developer.android.com/reference/android/R#nestedclasses) \| [Ctors](https://developer.android.com/reference/android/R#pubctors) \| [Inherited Methods](https://developer.android.com/reference/android/R#inhmethods)

# R

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

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

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*** ** * ** ***

## Summary

| ### Nested classes ||
|---|---|
| ` class` | `https://developer.android.com/reference/android/R.anim` |
| ` class` | `https://developer.android.com/reference/android/R.animator` |
| ` class` | `https://developer.android.com/reference/android/R.array` |
| ` class` | `https://developer.android.com/reference/android/R.attr` |
| ` class` | `https://developer.android.com/reference/android/R.bool` |
| ` class` | `https://developer.android.com/reference/android/R.color` |
| ` class` | `https://developer.android.com/reference/android/R.dimen` |
| ` class` | `https://developer.android.com/reference/android/R.drawable` |
| ` class` | `https://developer.android.com/reference/android/R.fraction` |
| ` class` | `https://developer.android.com/reference/android/R.id` |
| ` class` | `https://developer.android.com/reference/android/R.integer` |
| ` class` | `https://developer.android.com/reference/android/R.interpolator` |
| ` class` | `https://developer.android.com/reference/android/R.layout` |
| ` class` | `https://developer.android.com/reference/android/R.menu` |
| ` class` | `https://developer.android.com/reference/android/R.mipmap` |
| ` class` | `https://developer.android.com/reference/android/R.plurals` |
| ` class` | `https://developer.android.com/reference/android/R.raw` |
| ` class` | `https://developer.android.com/reference/android/R.string` |
| ` class` | `https://developer.android.com/reference/android/R.style` |
| ` class` | `https://developer.android.com/reference/android/R.styleable` |
| ` class` | `https://developer.android.com/reference/android/R.transition` |
| ` class` | `https://developer.android.com/reference/android/R.xml` |

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

### 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*.

## Public constructors

### R

```
public R ()
```

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