Class Index

These are the API classes. See all API packages.

A   C   D   E   F   I   L   M   O   P   Q   R   S   T   U   V  

A

AndroidViewModel Application context aware ViewModel. 
AsyncPagedListDiffer<T> Helper object for mapping a PagedList into a RecyclerView.Adapter. 

C

ColumnInfo Allows specific customization about the column associated with this field. 
ColumnInfo.Collate  
ColumnInfo.SQLiteTypeAffinity The SQLite column type constants that can be used in typeAffinity()  
CountingTaskExecutorRule A JUnit Test Rule that swaps the background executor used by the Architecture Components with a different one which counts the tasks as they are start and finish. 

D

Dao Marks the class as a Data Access Object. 
Database Marks a class as a RoomDatabase. 
DatabaseConfiguration Configuration class for a RoomDatabase. 
DataSource<Key, Value> Base class for loading pages of snapshot data into a PagedList. 
DataSource.Factory<Key, Value> Factory for DataSources. 
DataSource.InvalidatedCallback Invalidation callback for DataSource. 
DefaultLifecycleObserver Callback interface for listening to LifecycleOwner state changes. 
Delete Marks a method in a Dao annotated class as a delete method. 

E

Embedded Can be used as an annotation on a field of an Entity or Pojo to signal that nested fields (i.e. 
EmptyResultSetException Thrown by Room when the query needs to return a result (e.g. 
Entity Marks a class as an entity. 

F

ForeignKey Declares a foreign key on another Entity. 
ForeignKey.Action Constants definition for values that can be used in onDelete() and onUpdate(). 
FrameworkSQLiteOpenHelperFactory Implements SupportSQLiteOpenHelper.Factory using the SQLite implementation in the framework. 
Function<I, O> Represents a function. 

I

Ignore Ignores the marked element from Room's processing logic. 
Index Declares an index on an Entity. 
Insert Marks a method in a Dao annotated class as an insert method. 
InstantTaskExecutorRule A JUnit Test Rule that swaps the background executor used by the Architecture Components with a different one which executes each task synchronously. 
InvalidationTracker InvalidationTracker keeps a list of tables modified by queries and notifies its callbacks about these tables. 
InvalidationTracker.Observer An observer that can listen for changes in the database. 
ItemKeyedDataSource<Key, Value> Incremental data loader for paging keyed content, where loaded content uses previously loaded items as input to future loads. 
ItemKeyedDataSource.LoadCallback<Value> Callback for ItemKeyedDataSource loadBefore(LoadParams, LoadCallback) and loadAfter(LoadParams, LoadCallback) to return data. 
ItemKeyedDataSource.LoadInitialCallback<Value> Callback for loadInitial(LoadInitialParams, LoadInitialCallback) to return data and, optionally, position/count information. 
ItemKeyedDataSource.LoadInitialParams<Key> Holder object for inputs to loadInitial(LoadInitialParams, LoadInitialCallback). 
ItemKeyedDataSource.LoadParams<Key> Holder object for inputs to loadBefore(LoadParams, LoadCallback) and loadAfter(LoadParams, LoadCallback). 

L

Lifecycle Defines an object that has an Android Lifecycle. 
Lifecycle.Event  
Lifecycle.State Lifecycle states. 
LifecycleObserver Marks a class as a LifecycleObserver. 
LifecycleOwner A class that has an Android lifecycle. 
LifecycleRegistry An implementation of Lifecycle that can handle multiple observers. 
LifecycleRegistryOwner This interface was deprecated in API level 1.1.0. Use android.support.v7.app.AppCompatActivity which extends LifecycleOwner, so there are no use cases for this class.  
LifecycleService A Service that is also a LifecycleOwner. 
LiveData<T> LiveData is a data holder class that can be observed within a given lifecycle. 
LiveDataReactiveStreams Adapts LiveData input and output to the ReactiveStreams spec. 
LivePagedListBuilder<Key, Value> Builder for LiveData<PagedList>, given a DataSource.Factory and a PagedList.Config. 

M

MediatorLiveData<T> LiveData subclass which may observe other LiveData objects and react on OnChanged events from them. 
Migration Base class for a database migration. 
MigrationTestHelper A class that can be used in your Instrumentation tests that can create the database in an older schema. 
MutableLiveData<T> LiveData which publicly exposes setValue(T) and postValue(T) method. 

O

Observer<T> A simple callback that can receive from LiveData. 
OnConflictStrategy Set of conflict handling strategies for various Dao methods. 
OnLifecycleEvent  

P

PagedList<T> Lazy loading list that pages in immutable content from a DataSource. 
PagedList.BoundaryCallback<T> Signals when a PagedList has reached the end of available data. 
PagedList.Builder<Key, Value> Builder class for PagedList. 
PagedList.Callback Callback signaling when content is loaded into the list. 
PagedList.Config Configures how a PagedList loads content from its DataSource. 
PagedList.Config.Builder Builder class for PagedList.Config. 
PagedListAdapter<T, VH extends RecyclerView.ViewHolder> RecyclerView.Adapter base class for presenting paged data from PagedLists in a RecyclerView. 
PageKeyedDataSource<Key, Value> Incremental data loader for page-keyed content, where requests return keys for next/previous pages. 
PageKeyedDataSource.LoadCallback<Key, Value> Callback for PageKeyedDataSource loadBefore(LoadParams, LoadCallback) and loadAfter(LoadParams, LoadCallback) to return data. 
PageKeyedDataSource.LoadInitialCallback<Key, Value> Callback for loadInitial(LoadInitialParams, LoadInitialCallback) to return data and, optionally, position/count information. 
PageKeyedDataSource.LoadInitialParams<Key> Holder object for inputs to loadInitial(LoadInitialParams, LoadInitialCallback). 
PageKeyedDataSource.LoadParams<Key> Holder object for inputs to loadBefore(LoadParams, LoadCallback) and loadAfter(LoadParams, LoadCallback). 
PositionalDataSource<T> Position-based data loader for a fixed-size, countable data set, supporting fixed-size loads at arbitrary page positions. 
PositionalDataSource.LoadInitialCallback<T> Callback for loadInitial(LoadInitialParams, LoadInitialCallback) to return data, position, and count. 
PositionalDataSource.LoadInitialParams Holder object for inputs to loadInitial(LoadInitialParams, LoadInitialCallback). 
PositionalDataSource.LoadRangeCallback<T> Callback for PositionalDataSource loadRange(LoadRangeParams, LoadRangeCallback) to return data. 
PositionalDataSource.LoadRangeParams Holder object for inputs to loadRange(LoadRangeParams, LoadRangeCallback). 
PrimaryKey Marks a field in an Entity as the primary key. 
ProcessLifecycleOwner Class that provides lifecycle for the whole application process. 

Q

Query Marks a method in a Dao annotated class as a query method. 

R

RawQuery Marks a method in a Dao annotated class as a raw query method where you can pass the query as a SupportSQLiteQuery. 
Relation A convenience annotation which can be used in a Pojo to automatically fetch relation entities. 
Room Utility class for Room. 
RoomDatabase Base class for all Room databases. 
RoomDatabase.Builder<T extends RoomDatabase> Builder for RoomDatabase. 
RoomDatabase.Callback Callback for RoomDatabase. 
RoomDatabase.JournalMode Journal modes for SQLite database. 
RoomDatabase.MigrationContainer A container to hold migrations. 
RoomWarnings The list of warnings that are produced by Room. 
RxPagedListBuilder<Key, Value> Builder for Observable<PagedList> or Flowable<PagedList>, given a DataSource.Factory and a PagedList.Config. 
RxRoom Helper class to add RxJava2 support to Room. 

S

ServiceLifecycleDispatcher Helper class to dispatch lifecycle events for a service. 
SimpleSQLiteQuery A basic implementation of SupportSQLiteQuery which receives a query and its args and binds args based on the passed in Object type. 
SkipQueryVerification Skips database verification for the annotated element. 
SupportSQLiteDatabase A database abstraction which removes the framework dependency and allows swapping underlying sql versions. 
SupportSQLiteOpenHelper An interface to map the behavior of SQLiteOpenHelper. 
SupportSQLiteOpenHelper.Callback Handles various lifecycle events for the SQLite connection, similar to SQLiteOpenHelper. 
SupportSQLiteOpenHelper.Configuration The configuration to create an SQLite open helper object using SupportSQLiteOpenHelper.Factory. 
SupportSQLiteOpenHelper.Configuration.Builder Builder class for SupportSQLiteOpenHelper.Configuration. 
SupportSQLiteOpenHelper.Factory Factory class to create instances of SupportSQLiteOpenHelper using SupportSQLiteOpenHelper.Configuration. 
SupportSQLiteProgram An interface to map the behavior of SQLiteProgram. 
SupportSQLiteQuery A query with typed bindings. 
SupportSQLiteQueryBuilder A simple query builder to create SQL SELECT queries. 
SupportSQLiteStatement An interface to map the behavior of SQLiteStatement. 

T

Transaction Marks a method in a Dao class as a transaction method. 
Transformations Transformations for a LiveData class. 
TypeConverter Marks a method as a type converter. 
TypeConverters Specifies additional type converters that Room can use. 

U

Update Marks a method in a Dao annotated class as an update method. 

V

ViewModel ViewModel is a class that is responsible for preparing and managing the data for an Activity or a Fragment. 
ViewModelProvider An utility class that provides ViewModels for a scope. 
ViewModelProvider.AndroidViewModelFactory ViewModelProvider.Factory which may create AndroidViewModel and ViewModel, which have an empty constructor. 
ViewModelProvider.Factory Implementations of Factory interface are responsible to instantiate ViewModels. 
ViewModelProvider.NewInstanceFactory Simple factory, which calls empty constructor on the give class. 
ViewModelProviders Utilities methods for ViewModelStore class. 
ViewModelProviders.DefaultFactory This class was deprecated in API level 1.1.0. Use ViewModelProvider.AndroidViewModelFactory  
ViewModelStore Class to store ViewModels. 
ViewModelStoreOwner A scope that owns ViewModelStore. 
ViewModelStores Factory methods for ViewModelStore class.