belongs to Maven artifact com.android.support:loader:28.0.0-alpha1
CursorLoader
public
class
CursorLoader
extends AsyncTaskLoader<Cursor>
| java.lang.Object | |||
| ↳ | android.support.v4.content.Loader<android.database.Cursor> | ||
| ↳ | android.support.v4.content.AsyncTaskLoader<android.database.Cursor> | ||
| ↳ | android.support.v4.content.CursorLoader | ||
Static library support version of the framework's CursorLoader.
Used to write apps that run on platforms prior to Android 3.0. When running
on Android 3.0 or above, this implementation is still used; it does not try
to switch to the framework's implementation. See the framework SDK
documentation for a class overview.
Summary
Public constructors | |
|---|---|
CursorLoader(Context context)
Creates an empty unspecified CursorLoader. |
|
CursorLoader(Context context, Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)
Creates a fully-specified CursorLoader. |
|
Public methods | |
|---|---|
void
|
cancelLoadInBackground()
Called on the main thread to abort a load in progress. |
void
|
deliverResult(Cursor cursor)
Sends the result of the load to the registered listener. |
void
|
dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args)
Print the Loader's state into the given stream. |
String[]
|
getProjection()
|
String
|
getSelection()
|
String[]
|
getSelectionArgs()
|
String
|
getSortOrder()
|
Uri
|
getUri()
|
Cursor
|
loadInBackground()
Called on a worker thread to perform the actual load and to return the result of the load operation. |
void
|
onCanceled(Cursor cursor)
Called if the task was canceled before it was completed. |
void
|
setProjection(String[] projection)
|
void
|
setSelection(String selection)
|
void
|
setSelectionArgs(String[] selectionArgs)
|
void
|
setSortOrder(String sortOrder)
|
void
|
setUri(Uri uri)
|
Protected methods | |
|---|---|
void
|
onReset()
Subclasses must implement this to take care of resetting their loader,
as per |
void
|
onStartLoading()
Starts an asynchronous load of the contacts list data. |
void
|
onStopLoading()
Must be called from the UI thread |
Inherited methods | |
|---|---|
From
class
android.support.v4.content.AsyncTaskLoader
| |