7
Attualmente sto cercando di implementare il nuovo NavigationDrawer secondo le linee guida di Google IO 2013. Sto usando ActionbarSherlock. Il codice funziona bene. L'unico problema è che non sono in grado di attivare il cursore "su" accanto all'icona della mia app quando il cassetto di navigazione è estratto. Sto incollando il mio intero codice qui sotto. Gentilmente aiuto.Non è possibile modificare il cursore Up accanto all'icona dell'app nell'ActionBar nel mio cassetto di navigazione
public class MainActivity extends SherlockFragmentActivity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
private String[] mPlanetTitles;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = mDrawerTitle = getTitle();
mPlanetTitles = getResources().getStringArray(R.array.planets_array);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.drawer);
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, mPlanetTitles));
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
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) {
getSupportActionBar().setTitle(mTitle);
supportInvalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(mDrawerTitle);
supportInvalidateOptionsMenu();
}
};
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
selectItem(0);
}
new Thread(new Runnable() {
@Override
public void run() {
prefs = getPreferences(MODE_PRIVATE);
opened = prefs.getBoolean(OPENED_KEY, false);
if(opened == false)
{
mDrawerLayout.openDrawer(mDrawerList);
}
}
}).start();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getSupportMenuInflater();
inflater.inflate(R.menu.main, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
if (mDrawerToggle.onOptionsItemSelected(getMenuItem(item))) {
return true;
}
switch (item.getItemId()) {
case R.id.action_websearch:
Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
intent.putExtra(SearchManager.QUERY, getSupportActionBar().getTitle());
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);
}
}
private android.view.MenuItem getMenuItem(final MenuItem item) {
return new android.view.MenuItem() {
@Override
public int getItemId() {
return item.getItemId();
}
public boolean isEnabled() {
return true;
}
@Override
public boolean collapseActionView() {
return false;
}
@Override
public boolean expandActionView() {
return false;
}
@Override
public ActionProvider getActionProvider() {
return null;
}
@Override
public View getActionView() {
return null;
}
@Override
public char getAlphabeticShortcut() {
return 0;
}
@Override
public int getGroupId() {
return 0;
}
@Override
public Drawable getIcon() {
return null;
}
@Override
public Intent getIntent() {
return null;
}
@Override
public ContextMenuInfo getMenuInfo() {
return null;
}
@Override
public char getNumericShortcut() {
return 0;
}
@Override
public int getOrder() {
return 0;
}
@Override
public SubMenu getSubMenu() {
return null;
}
@Override
public CharSequence getTitle() {
return null;
}
@Override
public CharSequence getTitleCondensed() {
return null;
}
@Override
public boolean hasSubMenu() {
return false;
}
@Override
public boolean isActionViewExpanded() {
return false;
}
@Override
public boolean isCheckable() {
return false;
}
@Override
public boolean isChecked() {
return false;
}
@Override
public boolean isVisible() {
return false;
}
@Override
public android.view.MenuItem setActionProvider(ActionProvider actionProvider) {
return null;
}
@Override
public android.view.MenuItem setActionView(View view) {
return null;
}
@Override
public android.view.MenuItem setActionView(int resId) {
return null;
}
@Override
public android.view.MenuItem setAlphabeticShortcut(char alphaChar) {
return null;
}
@Override
public android.view.MenuItem setCheckable(boolean checkable) {
return null;
}
@Override
public android.view.MenuItem setChecked(boolean checked) {
return null;
}
@Override
public android.view.MenuItem setEnabled(boolean enabled) {
return null;
}
@Override
public android.view.MenuItem setIcon(Drawable icon) {
return null;
}
@Override
public android.view.MenuItem setIcon(int iconRes) {
return null;
}
@Override
public android.view.MenuItem setIntent(Intent intent) {
return null;
}
@Override
public android.view.MenuItem setNumericShortcut(char numericChar) {
return null;
}
@Override
public android.view.MenuItem setOnActionExpandListener(OnActionExpandListener listener) {
return null;
}
@Override
public android.view.MenuItem setOnMenuItemClickListener(OnMenuItemClickListener menuItemClickListener) {
return null;
}
@Override
public android.view.MenuItem setShortcut(char numericChar, char alphaChar) {
return null;
}
@Override
public void setShowAsAction(int actionEnum) {
}
@Override
public android.view.MenuItem setShowAsActionFlags(int actionEnum) {
return null;
}
@Override
public android.view.MenuItem setTitle(CharSequence title) {
return null;
}
@Override
public android.view.MenuItem setTitle(int title) {
return null;
}
@Override
public android.view.MenuItem setTitleCondensed(CharSequence title) {
return null;
}
@Override
public android.view.MenuItem setVisible(boolean visible) {
return null;
}
};
}
/* 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) {
// update the main content by replacing fragments
Fragment fragment = new PlanetFragment();
Bundle args = new Bundle();
args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
fragment.setArguments(args);
FragmentManager fragmentManager = getSupportFragmentManager();
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;
getSupportActionBar().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 SherlockFragment {
public static final String ARG_PLANET_NUMBER = "planet_number";
public PlanetFragment() {
// Empty constructor required for fragment subclasses
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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];
// change int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()), "drawable", getActivity().getPackageName());
int imageId = getResources().getIdentifier("tempmap", "drawable", getActivity().getPackageName());
// change ((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
// change getActivity().setTitle(planet);
getActivity().setTitle("MapView");
return rootView;
}
}
}
Grazie Brian. Ma non sono riuscito a capire quali modifiche sono state apportate al metodo onOptionsItemSelected in grado di risolvere il problema che sto affrontando. Si prega di spiegare. Ho anche sostituito il mio metodo onOptionsItemSelected con il tuo. Ma questo non ha risolto il problema neanche per me. Grazie – ambit
Oh scusa, questo ha risolto un problema in cui toccando il carato e l'icona non funzionava più quando ActionBarSherlock era integrato nel codice. Speravo che questo avrebbe almeno risolto il problema sui dispositivi 4.x ma 2.x lo ha ancora. Non è il peggiore perché è più o meno uno standard, ma posso vedere dove sarebbe bello averlo rimosso. –