AndroidPreconditions

java.lang.Object
- com.google.ar.sceneform.utilities.AndroidPreconditions

```
public class AndroidPreconditions
extends java.lang.Object
```
Helper class for common android specific preconditions used inside of RenderCore.

Constructor Summary

Constructors
Constructor Description

AndroidPreconditions()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`checkMinAndroidApiLevel()`	Enforce the minimum Android api level
`static void`	`checkUiThread()`	Ensure that the code is being executed on Android's UI thread.
`static boolean`	`isAndroidApiAvailable()`	Returns true if the Android API is currently available.
`static boolean`	`isMinAndroidApiLevel()`	Returns true if the Android api level is above the minimum or if not on Android.
`static boolean`	`isUnderTesting()`
`static void`	`setUnderTesting(boolean isUnderTesting)`

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

- Constructor Detail
  - AndroidPreconditions
```
public AndroidPreconditions()
```
- Method Detail
  - checkUiThread
```
public static void checkUiThread()
```
    Ensure that the code is being executed on Android's UI thread. Null-Op if the Android API isn't available (i.e. for unit tests.
  - checkMinAndroidApiLevel
```
public static void checkMinAndroidApiLevel()
```
    Enforce the minimum Android api level
    
    Throws:
    
    java.lang.IllegalStateException - if the api level is not high enough
  - isAndroidApiAvailable
```
public static boolean isAndroidApiAvailable()
```
    Returns true if the Android API is currently available. Useful for branching functionality to make it testable via junit. The android API is available for Robolectric tests and android emulator tests.
  - isUnderTesting
```
public static boolean isUnderTesting()
```
  - isMinAndroidApiLevel
```
public static boolean isMinAndroidApiLevel()
```
    Returns true if the Android api level is above the minimum or if not on Android.
    Also returns true if not on Android or in a test.
  - setUnderTesting
```
public static void setUnderTesting(boolean isUnderTesting)
```