public abstract class LeanbackPreferenceFragment extends BaseLeanbackPreferenceFragment
The following sample code shows a simple leanback preference fragment that is populated from a resource. The resource it loads is:
The fragment needs only to implement PreferenceFragment.onCreatePreferences(Bundle, String)
to populate
the list of preference objects:
PreferenceFragment.OnPreferenceDisplayDialogCallback, PreferenceFragment.OnPreferenceStartFragmentCallback, PreferenceFragment.OnPreferenceStartScreenCallback
Fragment.InstantiationException, Fragment.SavedState
ARG_PREFERENCE_ROOT
TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN
Constructor and Description |
---|
LeanbackPreferenceFragment() |
Modifier and Type | Method and Description |
---|---|
View |
onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState)
Called to have the fragment instantiate its user interface view.
|
void |
onViewCreated(View view,
Bundle savedInstanceState)
Called immediately after
Fragment.onCreateView(LayoutInflater, ViewGroup, Bundle)
has returned, but before any saved state has been restored in to the view. |
getCallbackFragment, onCreateRecyclerView
addPreferencesFromResource, findPreference, getListView, getPreferenceManager, getPreferenceScreen, onActivityCreated, onBindPreferences, onCreate, onCreateAdapter, onCreateLayoutManager, onCreatePreferences, onDestroyView, onDisplayPreferenceDialog, onNavigateToScreen, onPreferenceTreeClick, onSaveInstanceState, onStart, onStop, onUnbindPreferences, scrollToPreference, scrollToPreference, setDivider, setDividerHeight, setPreferenceScreen, setPreferencesFromResource
dump, equals, getActivity, getAllowEnterTransitionOverlap, getAllowReturnTransitionOverlap, getArguments, getChildFragmentManager, getContext, getEnterTransition, getExitTransition, getFragmentManager, getHost, getId, getLayoutInflater, getLoaderManager, getParentFragment, getReenterTransition, getResources, getRetainInstance, getReturnTransition, getSharedElementEnterTransition, getSharedElementReturnTransition, getString, getString, getTag, getTargetFragment, getTargetRequestCode, getText, getUserVisibleHint, getView, hashCode, instantiate, instantiate, isAdded, isDetached, isHidden, isInLayout, isRemoving, isResumed, isVisible, onActivityResult, onAttach, onAttach, onAttachFragment, onConfigurationChanged, onContextItemSelected, onCreateAnimator, onCreateContextMenu, onCreateOptionsMenu, onDestroy, onDestroyOptionsMenu, onDetach, onHiddenChanged, onInflate, onInflate, onInflate, onLowMemory, onMultiWindowModeChanged, onOptionsItemSelected, onOptionsMenuClosed, onPause, onPictureInPictureModeChanged, onPrepareOptionsMenu, onRequestPermissionsResult, onResume, onTrimMemory, onViewStateRestored, registerForContextMenu, requestPermissions, setAllowEnterTransitionOverlap, setAllowReturnTransitionOverlap, setArguments, setEnterSharedElementCallback, setEnterSharedElementTransitionCallback, setEnterTransition, setExitSharedElementCallback, setExitSharedElementTransitionCallback, setExitTransition, setHasOptionsMenu, setInitialSavedState, setMenuVisibility, setReenterTransition, setRetainInstance, setReturnTransition, setSharedElementEnterTransition, setSharedElementReturnTransition, setTargetFragment, setUserVisibleHint, shouldShowRequestPermissionRationale, startActivity, startActivity, startActivityForResult, startActivityForResult, startIntentSenderForResult, toString, unregisterForContextMenu
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
Fragment
Fragment.onCreate(Bundle)
and Fragment.onActivityCreated(Bundle)
.
If you return a View from here, you will later be called in
Fragment.onDestroyView()
when the view is being released.
onCreateView
in class PreferenceFragment
inflater
- The LayoutInflater object that can be used to inflate
any views in the fragment,container
- If non-null, this is the parent view that the fragment's
UI should be attached to. The fragment should not add the view itself,
but this can be used to generate the LayoutParams of the view.savedInstanceState
- If non-null, this fragment is being re-constructed
from a previous saved state as given here.public void onViewCreated(View view, Bundle savedInstanceState)
Fragment
Fragment.onCreateView(LayoutInflater, ViewGroup, Bundle)
has returned, but before any saved state has been restored in to the view.
This gives subclasses a chance to initialize themselves once
they know their view hierarchy has been completely created. The fragment's
view hierarchy is not however attached to its parent at this point.onViewCreated
in class PreferenceFragment
view
- The View returned by Fragment.onCreateView(LayoutInflater, ViewGroup, Bundle)
.savedInstanceState
- If non-null, this fragment is being re-constructed
from a previous saved state as given here.