Comment combiner la Navigation Tiroir et Spinner [comme dans l'Application Google+]

Ajouter la touche de navigation pour le NavigationBar.

La procédure de base pour activer la liste déroulante de la navigation:

1.Créer un SpinnerAdapter qui fournit la liste des éléments sélectionnables pour la liste déroulante, puis la mise en page à utiliser lors de l'élaboration de chaque élément dans la liste.

2.Mettre En Œuvre ActionBar.OnNavigationListener pour définir le comportement qui se produit lorsque l'utilisateur sélectionne un élément dans la liste.

3.Au cours de votre activité onCreate() la méthode, activer la barre d'actions de la liste déroulante en appelant setNavigationMode(NAVIGATION_MODE_LIST).

4.Définir la fonction de rappel pour la liste déroulante avec les setListNavigationCallbacks()

http://developer.android.com/guide/topics/ui/actionbar.html

Vérifier le sujet Ajoutant déroulante de Navigation

Exemple:

    public class MainActivity extends Activity implements OnNavigationListener

Puis

    getActionBar().setDisplayShowTitleEnabled(false);
    getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
    SpinnerAdapter mSpinnerAdapter = ArrayAdapter.createFromResource(this, R.array.planets_array,
          android.R.layout.simple_spinner_dropdown_item);

    getActionBar().setListNavigationCallbacks(mSpinnerAdapter , this);

Puis

    @Override
public boolean onNavigationItemSelected(int arg0, long arg1) {
     Toast.makeText(getApplicationContext()," text",1000).show();
    return true;
}

Composant logiciel enfichable

Exemple:

public class MainActivity extends Activity implements ActionBar.OnNavigationListener {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
public ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
private String[] mPlanetTitles;
ActionBar actionBar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
actionBar = getActionBar();
SpinnerAdapter mSpinnerAdapter = ArrayAdapter.createFromResource(this, R.array.planets_array,
android.R.layout.simple_spinner_dropdown_item);
actionBar.setDisplayShowTitleEnabled(false);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
getActionBar().setListNavigationCallbacks(mSpinnerAdapter,this);
//mTitle = mDrawerTitle = getTitle();
mPlanetTitles = getResources().getStringArray(R.array.planets_array);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
//mDrawerList.setBackgroundColor(Color.WHITE);
//set a custom shadow that overlays the main content when the drawer opens
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
//set up the drawer's list view with items and click listener
mDrawerList.setAdapter(new ArrayAdapter<String>(this,
R.layout.drawer_list_item, mPlanetTitles));
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
//enable ActionBar app icon to behave as action to toggle nav drawer
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
//ActionBarDrawerToggle ties together the the proper interactions
//between the sliding drawer and the action bar app icon
mDrawerToggle = new ActionBarDrawerToggle(
this,                  /* host Activity */
mDrawerLayout,         /* DrawerLayout object */
R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
R.string.drawer_open,  /* "open drawer" description for accessibility */
R.string.drawer_close  /* "close drawer" description for accessibility */
) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
invalidateOptionsMenu(); //creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
invalidateOptionsMenu(); //creates call to onPrepareOptionsMenu()
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
selectItem(0);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
return super.onCreateOptionsMenu(menu);
}
/* Called whenever we call invalidateOptionsMenu() */
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
//If the nav drawer is open, hide action items related to the content view
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
//The action bar home/up action should open or close the drawer.
//ActionBarDrawerToggle will take care of this.
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
//Handle action buttons
switch(item.getItemId()) {
case R.id.action_websearch:
//create intent to perform web search for this planet
Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
intent.putExtra(SearchManager.QUERY, getActionBar().getTitle());
//catch event that there's no activity to handle intent
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
} else {
Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
}
return true;
default:
return super.onOptionsItemSelected(item);
}
}
/* The click listner for ListView in the navigation drawer */
private class DrawerItemClickListener implements ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selectItem(position);
}
}
private void selectItem(int position) {
ActionBar actionBar =getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
Fragment fragment = new PlanetFragment();
Bundle args = new Bundle();
args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
fragment.setArguments(args);
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
//update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
// setTitle(mPlanetTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
//getActionBar().setTitle(mTitle);
}
/**
* When using the ActionBarDrawerToggle, you must call it during
* onPostCreate() and onConfigurationChanged()...
*/
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
//Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
//Pass any configuration change to the drawer toggls
mDrawerToggle.onConfigurationChanged(newConfig);
}
/**
* Fragment that appears in the "content_frame", shows a planet
*/
public static class PlanetFragment extends Fragment {
public static final String ARG_PLANET_NUMBER = "planet_number";
private static WeakReference<MainActivity> mTarget;
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if(mTarget!=null)
{
MainActivity target = mTarget.get();
ActionBar actionBar = getActivity().getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
//actionBar.setTitle("Fragment");
//target.mDrawerToggle.setDrawerIndicatorEnabled(false);
}
else
{
Log.i("............","Null");
}
}
@Override
public void onAttach(Activity activity) {
//TODO Auto-generated method stub
super.onAttach(activity);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mTarget = new WeakReference<MainActivity>( (MainActivity) getActivity());
View rootView = inflater.inflate(R.layout.fragment_planet, container, false);
int i = getArguments().getInt(ARG_PLANET_NUMBER);
String planet = getResources().getStringArray(R.array.planets_array)[i];
int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
"drawable", getActivity().getPackageName());
((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
//getActivity().setTitle(planet);
return rootView;
}
}
@Override
public boolean onNavigationItemSelected(int itemPosition, long itemId) {
//TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "text", Toast.LENGTH_LONG).show();
return true;
}
}

activity_main.xml

<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- As the main content view, the view below consumes the entire
space available using match_parent in both dimensions. -->
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<!-- android:layout_gravity="start" tells DrawerLayout to treat
this as a sliding drawer on the left side for left-to-right
languages and on the right side for right-to-left languages.
The drawer is given a fixed width in dp and extends the full height of
the container. A solid background is used for contrast
with the content view. -->
<ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
/>
</android.support.v4.widget.DrawerLayout>

drawe_list_item.xml

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
android:background="@drawable/selector"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceListItemSmall"
android:gravity="center_vertical"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:textColor="#fff"
android:minHeight="?android:attr/listPreferredItemHeightSmall"/>

fragment_planet.xml

<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:gravity="center"
android:padding="32dp" />

OriginalL'auteur Raghunandan