Nested Classes
Modifier and Type	Class	Description
`public @interface`	`AuthUI.SupportedProvider`
`public final class`	`AuthUI.IdpConfig`	Configuration for an identity provider.
`public final class`	`AuthUI.SignInIntentBuilder`	Builder for the intent to start the user authentication flow.

Fields
Modifier and Type	Field	Description
`public final static String`	`TAG`
`public final static String`	`ANONYMOUS_PROVIDER`
`public final static String`	`EMAIL_LINK_PROVIDER`
`public final static String`	`MICROSOFT_PROVIDER`
`public final static String`	`YAHOO_PROVIDER`
`public final static String`	`APPLE_PROVIDER`
`public final static int`	`NO_LOGO`
`public final static Set<String>`	`SUPPORTED_PROVIDERS`
`public final static Set<String>`	`SUPPORTED_OAUTH_PROVIDERS`
`public final static Set<String>`	`SOCIAL_PROVIDERS`
`public final static String`	`UNCONFIGURED_CONFIG_VALUE`

Modifier and Type	Method	Description
`static Context`	`getApplicationContext()`
`static void`	`setApplicationContext(@NonNull() Context context)`
`static AuthUI`	`getInstance()`	Retrieves the AuthUI instance associated with the default app, as returned by `{@code * FirebaseApp.getInstance()}`.
`static AuthUI`	`getInstance(@NonNull() String appName)`	Retrieves the AuthUI instance associated the the specified app name.
`static AuthUI`	`getInstance(@NonNull() FirebaseApp app)`	Retrieves the AuthUI instance associated the the specified app.
`FirebaseApp`	`getApp()`
`FirebaseAuth`	`getAuth()`
`static boolean`	`canHandleIntent(@NonNull() Intent intent)`	Returns true if AuthUI can handle the intent.
`static int`	`getDefaultTheme()`	Default theme used by setTheme if no theme customization isrequired.
`Task<Void>`	`signOut(@NonNull() Context context)`	Signs the current user out, if one is signed in.
`Task<Void>`	`delete(@NonNull() Context context)`	Delete the user from FirebaseAuth.
`void`	`useEmulator(@NonNull() String host, int port)`	Connect to the Firebase Authentication emulator.
`boolean`	`isUseEmulator()`
`String`	`getEmulatorHost()`
`int`	`getEmulatorPort()`
`AuthUI.SignInIntentBuilder`	`createSignInIntentBuilder()`	Starts the process of creating a sign in intent, with the mandatory application contextparameter.

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

@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP)@NonNull() static Context getApplicationContext()

@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) static void setApplicationContext(@NonNull() Context context)

getInstance
```
@NonNull() static AuthUI getInstance()
```
Retrieves the AuthUI instance associated with the default app, as returned by {@code * FirebaseApp.getInstance()}.

getInstance
```
@NonNull() static AuthUI getInstance(@NonNull() String appName)
```
Retrieves the AuthUI instance associated the the specified app name.

getInstance
```
@NonNull() static AuthUI getInstance(@NonNull() FirebaseApp app)
```
Retrieves the AuthUI instance associated the the specified app.

@NonNull()@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) FirebaseApp getApp()

@NonNull()@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) FirebaseAuth getAuth()

getDefaultTheme
```
@StyleRes() static int getDefaultTheme()
```
Default theme used by setTheme if no theme customization isrequired.

 void useEmulator(@NonNull() String host, int port)

Connect to the Firebase Authentication emulator.

@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) boolean isUseEmulator()

@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) String getEmulatorHost()

@RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) int getEmulatorPort()

createSignInIntentBuilder
```
@NonNull() AuthUI.SignInIntentBuilder createSignInIntentBuilder()
```
Starts the process of creating a sign in intent, with the mandatory application contextparameter.

Class AuthUI