com.cvlcondorcet.condor

Class PostsFragment

java.lang.Object

android.support.v4.app.Fragment

com.cvlcondorcet.condor.PostsFragment

All Implemented Interfaces:

android.arch.lifecycle.LifecycleOwner, android.arch.lifecycle.ViewModelStoreOwner, android.content.ComponentCallbacks, android.support.v4.app.LoaderManager.LoaderCallbacks<java.util.List<Post>>, android.support.v7.widget.SearchView.OnQueryTextListener, android.view.View.OnCreateContextMenuListener, MultiSelectionSpinner.OnMultipleItemsSelectedListener

public class PostsFragment
extends android.support.v4.app.Fragment
implements android.support.v4.app.LoaderManager.LoaderCallbacks<java.util.List<Post>>, android.support.v7.widget.SearchView.OnQueryTextListener, MultiSelectionSpinner.OnMultipleItemsSelectedListener

Displays a RecyclerView (showing posts), a spinner (to select categories) and a search field (to filter posts).

Author:

Quentin DE MUYNCK

See Also:

RecyclerViewAdapterPosts, MultiSelectionSpinner, PostsLoader

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	PostsFragment.Task AsyncTask to get categories and displays them to the spinner

Nested classes/interfaces inherited from class android.support.v4.app.Fragment

android.support.v4.app.Fragment.InstantiationException, android.support.v4.app.Fragment.SavedState

Field Summary

Fields

Modifier and Type	Field and Description
private RecyclerViewAdapterPosts	adapter
private android.support.v7.app.ActionBar	bar
private android.widget.RelativeLayout	lay
private PostsFragment.Task	loader
private android.widget.ProgressBar	progress
private java.lang.String	query
private android.support.v7.widget.RecyclerView	recycler
private boolean	rssAllowed
private MultiSelectionSpinner	spinner

Constructor Summary

Constructors

Constructor and Description
PostsFragment()

Method Summary

Modifier and Type	Method and Description
android.support.v4.content.Loader<java.util.List<Post>>	onCreateLoader(int id, android.os.Bundle args) Create a loader and starts it to retrieve posts.
void	onCreateOptionsMenu(android.view.Menu menu, android.view.MenuInflater inflater) Sets up the menu & search field.
android.view.View	onCreateView(android.view.LayoutInflater inflater, android.view.ViewGroup parent, android.os.Bundle savedInstanceState)
void	onDetach()
void	onLoaderReset(android.support.v4.content.Loader<java.util.List<Post>> loader)
void	onLoadFinished(android.support.v4.content.Loader<java.util.List<Post>> loader, java.util.List<Post> data) Gets the data and sets them to the RecyclerViewAdapter
boolean	onQueryTextChange(java.lang.String query) Event listeners to search field text changes, gets query and filters the RecyclerView according to it
boolean	onQueryTextSubmit(java.lang.String query)
void	onResume()
void	onStop()
void	onViewCreated(android.view.View view, android.os.Bundle savedInstanceState) Sets view up, starts loading posts.
void	selectedIndices(java.util.List<java.lang.Integer> indices)
void	selectedStrings(java.util.List<java.lang.String> strings) Interface implementation, gets the selected categories and filter the RecyclerView

Methods inherited from class android.support.v4.app.Fragment

dump, equals, getActivity, getAllowEnterTransitionOverlap, getAllowReturnTransitionOverlap, getArguments, getChildFragmentManager, getContext, getEnterTransition, getExitTransition, getFragmentManager, getHost, getId, getLayoutInflater, getLayoutInflater, getLifecycle, getLoaderManager, getParentFragment, getReenterTransition, getResources, getRetainInstance, getReturnTransition, getSharedElementEnterTransition, getSharedElementReturnTransition, getString, getString, getTag, getTargetFragment, getTargetRequestCode, getText, getUserVisibleHint, getView, getViewModelStore, hashCode, hasOptionsMenu, instantiate, instantiate, isAdded, isDetached, isHidden, isInLayout, isMenuVisible, isRemoving, isResumed, isStateSaved, isVisible, onActivityCreated, onActivityResult, onAttach, onAttach, onAttachFragment, onConfigurationChanged, onContextItemSelected, onCreate, onCreateAnimation, onCreateAnimator, onCreateContextMenu, onDestroy, onDestroyOptionsMenu, onDestroyView, onGetLayoutInflater, onHiddenChanged, onInflate, onInflate, onLowMemory, onMultiWindowModeChanged, onOptionsItemSelected, onOptionsMenuClosed, onPause, onPictureInPictureModeChanged, onPrepareOptionsMenu, onRequestPermissionsResult, onSaveInstanceState, onStart, onViewStateRestored, postponeEnterTransition, registerForContextMenu, requestPermissions, requireActivity, requireContext, requireFragmentManager, requireHost, setAllowEnterTransitionOverlap, setAllowReturnTransitionOverlap, setArguments, setEnterSharedElementCallback, setEnterTransition, setExitSharedElementCallback, setExitTransition, setHasOptionsMenu, setInitialSavedState, setMenuVisibility, setReenterTransition, setRetainInstance, setReturnTransition, setSharedElementEnterTransition, setSharedElementReturnTransition, setTargetFragment, setUserVisibleHint, shouldShowRequestPermissionRationale, startActivity, startActivity, startActivityForResult, startActivityForResult, startIntentSenderForResult, startPostponedEnterTransition, toString, unregisterForContextMenu

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

recycler

private android.support.v7.widget.RecyclerView recycler

adapter

private RecyclerViewAdapterPosts adapter

spinner

private MultiSelectionSpinner spinner

progress

private android.widget.ProgressBar progress

bar

private android.support.v7.app.ActionBar bar

loader

private PostsFragment.Task loader

query

private java.lang.String query

lay

private android.widget.RelativeLayout lay

rssAllowed

private boolean rssAllowed

Constructor Detail

PostsFragment

public PostsFragment()

Method Detail

onCreateView

public android.view.View onCreateView(android.view.LayoutInflater inflater,
                                      android.view.ViewGroup parent,
                                      android.os.Bundle savedInstanceState)

Overrides:

onCreateView in class android.support.v4.app.Fragment

onViewCreated

public void onViewCreated(android.view.View view,
                          android.os.Bundle savedInstanceState)

Sets view up, starts loading posts.

Overrides:

onViewCreated in class android.support.v4.app.Fragment

Parameters:

view - view

savedInstanceState - oldState

onResume

public void onResume()

Overrides:

onResume in class android.support.v4.app.Fragment

onStop

public void onStop()

Overrides:

onStop in class android.support.v4.app.Fragment

onCreateLoader

public android.support.v4.content.Loader<java.util.List<Post>> onCreateLoader(int id,
                                                                              android.os.Bundle args)

Create a loader and starts it to retrieve posts.

Specified by:

onCreateLoader in interface android.support.v4.app.LoaderManager.LoaderCallbacks<java.util.List<Post>>

Parameters:

id - the id of the loader

args - bundle of arguments (not used)

Returns:

a PostLoader object

See Also:

PostsLoader

onLoadFinished

public void onLoadFinished(android.support.v4.content.Loader<java.util.List<Post>> loader,
                           java.util.List<Post> data)

Gets the data and sets them to the RecyclerViewAdapter

Specified by:

onLoadFinished in interface android.support.v4.app.LoaderManager.LoaderCallbacks<java.util.List<Post>>

Parameters:

loader - the loader that retrieved the data

data - the awaited data

See Also:

RecyclerViewAdapterPosts.setData(List)

onLoaderReset

public void onLoaderReset(android.support.v4.content.Loader<java.util.List<Post>> loader)

Specified by:

onLoaderReset in interface android.support.v4.app.LoaderManager.LoaderCallbacks<java.util.List<Post>>

onCreateOptionsMenu

public void onCreateOptionsMenu(android.view.Menu menu,
                                android.view.MenuInflater inflater)

Sets up the menu & search field.

Overrides:

onCreateOptionsMenu in class android.support.v4.app.Fragment

Parameters:

menu - menu

inflater - inflater

onQueryTextSubmit

public boolean onQueryTextSubmit(java.lang.String query)

Specified by:

onQueryTextSubmit in interface android.support.v7.widget.SearchView.OnQueryTextListener

onQueryTextChange

public boolean onQueryTextChange(java.lang.String query)

Event listeners to search field text changes, gets query and filters the RecyclerView according to it

Specified by:

onQueryTextChange in interface android.support.v7.widget.SearchView.OnQueryTextListener

Parameters:

query - the text query

Returns:

False

See Also:

RecyclerViewAdapterPosts.filter(String)

selectedIndices

public void selectedIndices(java.util.List<java.lang.Integer> indices)

Specified by:

selectedIndices in interface MultiSelectionSpinner.OnMultipleItemsSelectedListener

selectedStrings

public void selectedStrings(java.util.List<java.lang.String> strings)

Interface implementation, gets the selected categories and filter the RecyclerView

Specified by:

selectedStrings in interface MultiSelectionSpinner.OnMultipleItemsSelectedListener

Parameters:

strings - the selected categories

See Also:

RecyclerViewAdapterPosts.filterByCategories(List, String), MultiSelectionSpinner.getSelectedStrings()

onDetach

public void onDetach()

Overrides:

onDetach in class android.support.v4.app.Fragment