RowsFragment

Added in 1.1.0

Deprecated in 1.1.0

Kotlin |Java

public class RowsFragment extends Fragment implements BrowseFragment.MainFragmentRowsAdapterProvider, BrowseFragment.MainFragmentAdapterProvider

java.lang.Object
↳	android.app.Fragment
	↳	androidx.leanback.app.RowsFragment

An ordered set of rows of leanback widgets.

A RowsFragment renders the elements of its androidx.leanback.widget.ObjectAdapter as a set of rows in a vertical list. The Adapter's PresenterSelector must maintain subclasses of RowPresenter.

Summary

Nested types
`public class RowsFragment.MainFragmentAdapter extends BrowseFragment.MainFragmentAdapter`
`public class RowsFragment.MainFragmentRowsAdapter extends BrowseFragment.MainFragmentRowsAdapter` This class is deprecated. use `RowsSupportFragment`

Nested types

public class RowsFragment.MainFragmentAdapter extends BrowseFragment.MainFragmentAdapter

public class RowsFragment.MainFragmentRowsAdapter extends BrowseFragment.MainFragmentRowsAdapter

This class is deprecated.

use RowsSupportFragment

Public constructors
`RowsFragment()`

Public methods
`void`	`enableRowScaling(boolean enable)` This method is deprecated. use `enableRowScaling` instead.
`RowPresenter.ViewHolder`	`findRowViewHolderByPosition(int position)` Find row ViewHolder by position in adapter.
`final ObjectAdapter`	`getAdapter()` Returns the Adapter that represents list of rows.
`final ItemBridgeAdapter`	`getBridgeAdapter()` Returns the RecyclerView.Adapter that wraps `getAdapter`.
`BrowseFragment.MainFragmentAdapter`	`getMainFragmentAdapter()` Returns an instance of `MainFragmentAdapter` that `BrowseFragment` would use to communicate with the target fragment.
`BrowseFragment.MainFragmentRowsAdapter`	`getMainFragmentRowsAdapter()` Returns an instance of `MainFragmentRowsAdapter` that `BrowseFragment` would use to communicate with the target fragment.
`BaseOnItemViewClickedListener`	`getOnItemViewClickedListener()` Returns the item clicked listener.
`BaseOnItemViewSelectedListener`	`getOnItemViewSelectedListener()` Returns an item selection listener.
`final PresenterSelector`	`getPresenterSelector()` Get the presenter selector used to create and bind views.
`RowPresenter.ViewHolder`	`getRowViewHolder(int position)` Get row ViewHolder at adapter position.
`int`	`getSelectedPosition()` Gets position of currently selected row.
`final VerticalGridView`	`getVerticalGridView()`
`boolean`	`isScrolling()`
`@Nullable View`	`onCreateView( LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState )` This method is deprecated.
`void`	`onDestroyView()` This method is deprecated.
`void`	`onSaveInstanceState(Bundle outState)` This method is deprecated.
`void`	`onTransitionEnd()`
`boolean`	`onTransitionPrepare()`
`void`	`onTransitionStart()`
`void`	`onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState)` This method is deprecated.
`final void`	`setAdapter(ObjectAdapter rowsAdapter)` Sets the adapter that represents a list of rows.
`void`	`setAlignment(int windowAlignOffsetFromTop)`
`void`	`setEntranceTransitionState(boolean afterTransition)` For rows that willing to participate entrance transition, this function hide views if afterTransition is true, show views if afterTransition is false.
`void`	`setExpand(boolean expand)` Set the visibility of titles/hovercard of browse rows.
`void`	`setOnItemViewClickedListener(BaseOnItemViewClickedListener listener)` Sets an item clicked listener on the fragment.
`void`	`setOnItemViewSelectedListener(BaseOnItemViewSelectedListener listener)` Sets an item selection listener.
`final void`	`setPresenterSelector(PresenterSelector presenterSelector)` Set the presenter selector used to create and bind views.
`void`	`setSelectedPosition(int position)` Sets the selected row position with smooth animation.
`void`	`setSelectedPosition(int position, boolean smooth)` Sets the selected row position.
`void`	`setSelectedPosition( int rowPosition, boolean smooth, Presenter.ViewHolderTask rowHolderTask )` Selects a Row and perform an optional task on the Row.

Protected methods
`VerticalGridView`	`findGridViewFromRoot(View view)`

Inherited Constants

From android.content.ComponentCallbacks2

`static final int`	`TRIM_MEMORY_BACKGROUND = 40`
`static final int`	`TRIM_MEMORY_COMPLETE = 80` This field is deprecated.
`static final int`	`TRIM_MEMORY_MODERATE = 60` This field is deprecated.
`static final int`	`TRIM_MEMORY_RUNNING_CRITICAL = 15` This field is deprecated.
`static final int`	`TRIM_MEMORY_RUNNING_LOW = 10` This field is deprecated.
`static final int`	`TRIM_MEMORY_RUNNING_MODERATE = 5` This field is deprecated.
`static final int`	`TRIM_MEMORY_UI_HIDDEN = 20`

Inherited methods

From android.app.Fragment

`void`	`dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args)` This method is deprecated.
`final boolean`	`equals(Object o)` This method is deprecated.
`final Activity`	`getActivity()` This method is deprecated.
`boolean`	`getAllowEnterTransitionOverlap()` This method is deprecated.
`boolean`	`getAllowReturnTransitionOverlap()` This method is deprecated.
`final Bundle`	`getArguments()` This method is deprecated.
`final FragmentManager`	`getChildFragmentManager()` This method is deprecated.
`Context`	`getContext()` This method is deprecated.
`Transition`	`getEnterTransition()` This method is deprecated.
`Transition`	`getExitTransition()` This method is deprecated.
`final FragmentManager`	`getFragmentManager()` This method is deprecated.
`final Object`	`getHost()` This method is deprecated.
`final int`	`getId()` This method is deprecated.
`final LayoutInflater`	`getLayoutInflater()` This method is deprecated.
`LoaderManager`	`getLoaderManager()` This method is deprecated.
`final Fragment`	`getParentFragment()` This method is deprecated.
`Transition`	`getReenterTransition()` This method is deprecated.
`final Resources`	`getResources()` This method is deprecated.
`final boolean`	`getRetainInstance()` This method is deprecated.
`Transition`	`getReturnTransition()` This method is deprecated.
`Transition`	`getSharedElementEnterTransition()` This method is deprecated.
`Transition`	`getSharedElementReturnTransition()` This method is deprecated.
`final String`	`getString(int resId)` This method is deprecated.
`final String`	`getTag()` This method is deprecated.
`final Fragment`	`getTargetFragment()` This method is deprecated.
`final int`	`getTargetRequestCode()` This method is deprecated.
`final CharSequence`	`getText(int resId)` This method is deprecated.
`boolean`	`getUserVisibleHint()` This method is deprecated.
`View`	`getView()` This method is deprecated.
`final int`	`hashCode()` This method is deprecated.
`static Fragment`	`instantiate(Context context, String fname)` This method is deprecated.
`final boolean`	`isAdded()` This method is deprecated.
`final boolean`	`isDetached()` This method is deprecated.
`final boolean`	`isHidden()` This method is deprecated.
`final boolean`	`isInLayout()` This method is deprecated.
`final boolean`	`isRemoving()` This method is deprecated.
`final boolean`	`isResumed()` This method is deprecated.
`final boolean`	`isStateSaved()` This method is deprecated.
`final boolean`	`isVisible()` This method is deprecated.
`void`	`onActivityCreated(Bundle savedInstanceState)` This method is deprecated.
`void`	`onActivityResult(int requestCode, int resultCode, Intent data)` This method is deprecated.
`void`	`onAttach(Activity activity)` This method is deprecated.
`void`	`onAttachFragment(Fragment childFragment)` This method is deprecated.
`void`	`onConfigurationChanged(Configuration newConfig)` This method is deprecated.
`boolean`	`onContextItemSelected(MenuItem item)` This method is deprecated.
`void`	`onCreate(Bundle savedInstanceState)` This method is deprecated.
`Animator`	`onCreateAnimator(int transit, boolean enter, int nextAnim)` This method is deprecated.
`void`	`onCreateContextMenu( ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo )` This method is deprecated.
`void`	`onCreateOptionsMenu(Menu menu, MenuInflater inflater)` This method is deprecated.
`View`	`onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState )` This method is deprecated.
`void`	`onDestroy()` This method is deprecated.
`void`	`onDestroyOptionsMenu()` This method is deprecated.
`void`	`onDestroyView()` This method is deprecated.
`void`	`onDetach()` This method is deprecated.
`LayoutInflater`	`onGetLayoutInflater(Bundle savedInstanceState)` This method is deprecated.
`void`	`onHiddenChanged(boolean hidden)` This method is deprecated.
`void`	`onInflate( Activity activity, AttributeSet attrs, Bundle savedInstanceState )` This method is deprecated.
`void`	`onLowMemory()` This method is deprecated.
`void`	`onMultiWindowModeChanged(boolean isInMultiWindowMode)` This method is deprecated.
`boolean`	`onOptionsItemSelected(MenuItem item)` This method is deprecated.
`void`	`onOptionsMenuClosed(Menu menu)` This method is deprecated.
`void`	`onPause()` This method is deprecated.
`void`	`onPictureInPictureModeChanged(boolean isInPictureInPictureMode)` This method is deprecated.
`void`	`onPrepareOptionsMenu(Menu menu)` This method is deprecated.
`void`	`onRequestPermissionsResult( int requestCode, String[] permissions, int[] grantResults )` This method is deprecated.
`void`	`onResume()` This method is deprecated.
`void`	`onSaveInstanceState(Bundle outState)` This method is deprecated.
`void`	`onStart()` This method is deprecated.
`void`	`onStop()` This method is deprecated.
`void`	`onTrimMemory(int level)` This method is deprecated.
`void`	`onViewCreated(View view, Bundle savedInstanceState)` This method is deprecated.
`void`	`onViewStateRestored(Bundle savedInstanceState)` This method is deprecated.
`void`	`postponeEnterTransition()` This method is deprecated.
`void`	`registerForContextMenu(View view)` This method is deprecated.
`final void`	`requestPermissions(String[] permissions, int requestCode)` This method is deprecated.
`void`	`setAllowEnterTransitionOverlap(boolean allow)` This method is deprecated.
`void`	`setAllowReturnTransitionOverlap(boolean allow)` This method is deprecated.
`void`	`setArguments(Bundle args)` This method is deprecated.
`void`	`setEnterSharedElementCallback(SharedElementCallback callback)` This method is deprecated.
`void`	`setEnterTransition(Transition transition)` This method is deprecated.
`void`	`setExitSharedElementCallback(SharedElementCallback callback)` This method is deprecated.
`void`	`setExitTransition(Transition transition)` This method is deprecated.
`void`	`setHasOptionsMenu(boolean hasMenu)` This method is deprecated.
`void`	`setInitialSavedState(Fragment.SavedState state)` This method is deprecated.
`void`	`setMenuVisibility(boolean menuVisible)` This method is deprecated.
`void`	`setReenterTransition(Transition transition)` This method is deprecated.
`void`	`setRetainInstance(boolean retain)` This method is deprecated.
`void`	`setReturnTransition(Transition transition)` This method is deprecated.
`void`	`setSharedElementEnterTransition(Transition transition)` This method is deprecated.
`void`	`setSharedElementReturnTransition(Transition transition)` This method is deprecated.
`void`	`setTargetFragment(Fragment fragment, int requestCode)` This method is deprecated.
`void`	`setUserVisibleHint(boolean isVisibleToUser)` This method is deprecated.
`boolean`	`shouldShowRequestPermissionRationale(String permission)` This method is deprecated.
`void`	`startActivity(Intent intent)` This method is deprecated.
`void`	`startActivityForResult(Intent intent, int requestCode)` This method is deprecated.
`void`	`startIntentSenderForResult( IntentSender intent, int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags, Bundle options )` This method is deprecated.
`void`	`startPostponedEnterTransition()` This method is deprecated.
`String`	`toString()` This method is deprecated.
`void`	`unregisterForContextMenu(View view)` This method is deprecated.

Public constructors

RowsFragment

Added in 1.1.0

Deprecated in 1.1.0

public RowsFragment()

Public methods

enableRowScaling

Added in 1.1.0

Deprecated in 1.1.0

public void enableRowScaling(boolean enable)

Parameters
`boolean enable`	true to enable row scaling

findRowViewHolderByPosition

Added in 1.1.0

Deprecated in 1.1.0

public RowPresenter.ViewHolder findRowViewHolderByPosition(int position)

Find row ViewHolder by position in adapter.

Parameters
`int position`	Position of row.

Returns
`RowPresenter.ViewHolder`	ViewHolder of Row.

getAdapter

Added in 1.1.0

Deprecated in 1.1.0

public final ObjectAdapter getAdapter()

Returns the Adapter that represents list of rows.

Returns
`ObjectAdapter`	Adapter that represents list of rows.

getBridgeAdapter

Added in 1.1.0

Deprecated in 1.1.0

public final ItemBridgeAdapter getBridgeAdapter()

Returns the RecyclerView.Adapter that wraps getAdapter.

Returns
`ItemBridgeAdapter`	The RecyclerView.Adapter that wraps `getAdapter`.

getMainFragmentAdapter

public BrowseFragment.MainFragmentAdapter getMainFragmentAdapter()

Returns an instance of MainFragmentAdapter that BrowseFragment would use to communicate with the target fragment.

getMainFragmentRowsAdapter

public BrowseFragment.MainFragmentRowsAdapter getMainFragmentRowsAdapter()

Returns an instance of MainFragmentRowsAdapter that BrowseFragment would use to communicate with the target fragment.

getOnItemViewClickedListener

Added in 1.1.0

Deprecated in 1.1.0

public BaseOnItemViewClickedListener getOnItemViewClickedListener()

Returns the item clicked listener.

getOnItemViewSelectedListener

Added in 1.1.0

Deprecated in 1.1.0

public BaseOnItemViewSelectedListener getOnItemViewSelectedListener()

Returns an item selection listener.

getPresenterSelector

Added in 1.1.0

Deprecated in 1.1.0

public final PresenterSelector getPresenterSelector()

Get the presenter selector used to create and bind views.

getRowViewHolder

Added in 1.1.0

Deprecated in 1.1.0

public RowPresenter.ViewHolder getRowViewHolder(int position)

Get row ViewHolder at adapter position. Returns null if the row object is not in adapter or the row object has not been bound to a row view.

Parameters
`int position`	Position of row in adapter.

Returns
`RowPresenter.ViewHolder`	Row ViewHolder at a given adapter position.

getSelectedPosition

Added in 1.1.0

Deprecated in 1.1.0

public int getSelectedPosition()

Gets position of currently selected row.

Returns
`int`	Position of currently selected row.

getVerticalGridView

Added in 1.1.0

Deprecated in 1.1.0

public final VerticalGridView getVerticalGridView()

isScrolling

Added in 1.1.0

Deprecated in 1.1.0

public boolean isScrolling()

onCreateView

Added in 1.1.0

Deprecated in 1.1.0

public @Nullable View onCreateView(
    LayoutInflater inflater,
    @Nullable ViewGroup container,
    Bundle savedInstanceState
)

onDestroyView

Added in 1.1.0

Deprecated in 1.1.0

public void onDestroyView()

onSaveInstanceState

Added in 1.1.0

Deprecated in 1.1.0

public void onSaveInstanceState(Bundle outState)

onTransitionEnd

Added in 1.1.0

Deprecated in 1.1.0

public void onTransitionEnd()

onTransitionPrepare

Added in 1.1.0

Deprecated in 1.1.0

public boolean onTransitionPrepare()

onTransitionStart

Added in 1.1.0

Deprecated in 1.1.0

public void onTransitionStart()

onViewCreated

Added in 1.1.0

Deprecated in 1.1.0

public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState)

Added in 1.1.0

Deprecated in 1.1.0

public final void setAdapter(ObjectAdapter rowsAdapter)

Sets the adapter that represents a list of rows.

Parameters
`ObjectAdapter rowsAdapter`	Adapter that represents list of rows.

setAlignment

Added in 1.1.0

Deprecated in 1.1.0

public void setAlignment(int windowAlignOffsetFromTop)

setEntranceTransitionState

Added in 1.1.0

Deprecated in 1.1.0

public void setEntranceTransitionState(boolean afterTransition)

For rows that willing to participate entrance transition, this function hide views if afterTransition is true, show views if afterTransition is false.

setExpand

Added in 1.1.0

Deprecated in 1.1.0

public void setExpand(boolean expand)

Set the visibility of titles/hovercard of browse rows.

Added in 1.1.0

Deprecated in 1.1.0

public void setOnItemViewClickedListener(BaseOnItemViewClickedListener listener)

Sets an item clicked listener on the fragment. OnItemViewClickedListener will override View.OnClickListener that item presenter sets during onCreateViewHolder. So in general, developer should choose one of the listeners but not both.

Added in 1.1.0

Deprecated in 1.1.0

public void setOnItemViewSelectedListener(BaseOnItemViewSelectedListener listener)

Sets an item selection listener.

Added in 1.1.0

Deprecated in 1.1.0

public final void setPresenterSelector(PresenterSelector presenterSelector)

Set the presenter selector used to create and bind views.

setSelectedPosition

Added in 1.1.0

Deprecated in 1.1.0

public void setSelectedPosition(int position)

Sets the selected row position with smooth animation.

setSelectedPosition

Added in 1.1.0

Deprecated in 1.1.0

public void setSelectedPosition(int position, boolean smooth)

Sets the selected row position.

Added in 1.1.0

Deprecated in 1.1.0

public void setSelectedPosition(
    int rowPosition,
    boolean smooth,
    Presenter.ViewHolderTask rowHolderTask
)

Selects a Row and perform an optional task on the Row. For example setSelectedPosition(10, true, new ListRowPresenterSelectItemViewHolderTask(5)) Scroll to 11th row and selects 6th item on that row. The method will be ignored if RowsFragment has not been created (i.e. before onCreateView).

Parameters
`int rowPosition`	Which row to select.
`boolean smooth`	True to scroll to the row, false for no animation.
`Presenter.ViewHolderTask rowHolderTask`	Task to perform on the Row.

Protected methods

findGridViewFromRoot

Added in 1.1.0

Deprecated in 1.1.0

protected VerticalGridView findGridViewFromRoot(View view)