ProgressDialog があり、ダイアログが消えたときに何かをしたい (ただし、progressdialog.dismiss の後にアクションを入れたくない)。
次のことは可能ですか。
----> if No ---> Do something
Check if dialog is showing
----> if Yes
/|\ |
| \|/
--------------------- Wait
難しいことは考えないでください。アクションを実行したいだけですが、ダイアログがない場合にのみ、ダイアログがある場合は、ダイアログが完了したときにアクションを実行します。ありがとうございました!
編集:私の活動:
import verymuchimportshere..
public class ScroidWallpaperGallery extends Activity {
private WallpaperGalleryAdapter wallpaperGalleryAdapter;
private final WallpaperManager wallpaperManager;
private final ICommunicationDAO communicationDAO;
private final IFavouriteDAO favouriteDAO;
private final List<Integer> preloadedList;
private Wallpaper selectedWallpaper;
private static final int PICK_CONTACT = 0;
private static final int DIALOG_ABOUT = 0;
public ScroidWallpaperGallery() {
super();
if (!DependencyInjector.isInitialized()) {
DependencyInjector.init(this);
}
this.wallpaperManager = DependencyInjector.getInstance(WallpaperManager.class);
this.communicationDAO = DependencyInjector.getInstance(ICommunicationDAO.class);
this.favouriteDAO = DependencyInjector.getInstance(IFavouriteDAO.class);
this.preloadedList = new ArrayList<Integer>();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.main);
this.initGallery();
ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setMessage(this.getString(R.string.loadingText));
if (progressDialog.isShowing()) {
progressDialog.dismiss();
}
else {
SharedPreferences settings = getSharedPreferences("firstrun", MODE_PRIVATE);
if (settings.getBoolean("isFirstRun", true)) {
new AlertDialog.Builder(this).setTitle("How to").setMessage("Long press item to add/remove from favorites.").setNeutralButton("Ok", null).show();
SharedPreferences.Editor editor = settings.edit();
editor.putBoolean("isFirstRun", false);
editor.commit();
}
}
if (this.wallpaperGalleryAdapter != null) {
this.updateGalleryAdapter();
return;
}
AdView adView = (AdView)this.findViewById(R.id.adView);
adView.loadAd(new AdRequest());
new FillGalleryTask(progressDialog, this).start();
}
private void updateGalleryAdapter() {
this.updateGalleryAdapter(this.wallpaperManager.getWallpapers());
}
private synchronized void updateGalleryAdapter(Wallpaper[] wallpapers) {
this.wallpaperGalleryAdapter = new WallpaperGalleryAdapter(this, wallpapers, this.wallpaperManager);
Gallery gallery = (Gallery)this.findViewById(R.id.gallery);
gallery.setAdapter(this.wallpaperGalleryAdapter);
}
private void initGallery() {
Gallery gallery = (Gallery)this.findViewById(R.id.gallery);
gallery.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Wallpaper wallpaper = (Wallpaper)parent.getItemAtPosition(position);
showPreviewActivity(wallpaper);
}
});
gallery.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, final int position, long id) {
selectedWallpaper = (Wallpaper)wallpaperGalleryAdapter.getItem(position);
new Thread(new Runnable() {
@Override
public void run() {
preloadThumbs(wallpaperGalleryAdapter.getWallpapers(), (position + 1), 3);
}
}).start();
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
selectedWallpaper = null;
}
});
this.registerForContextMenu(gallery);
}
private void showPreviewActivity(Wallpaper wallpaper) {
WallpaperPreviewActivity.showPreviewActivity(this, wallpaper);
}
private void preloadThumbs(Wallpaper[] wallpapers, int index, int maxCount) {
for (int i = index; (i < (index + maxCount)) && (i < wallpapers.length); i++) {
if (this.preloadedList.contains(i)) {
continue;
}
try {
this.wallpaperManager.getThumbImage(wallpapers[i]);
this.preloadedList.add(i);
}
catch (ClientProtocolException ex) {
// nothing to do - image will be loaded on select
}
catch (IOException ex) {
// nothing to do - image will be loaded on select
}
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (this.selectedWallpaper == null
|| !(v instanceof Gallery)) {
return;
}
MenuInflater menuInflater = new MenuInflater(this);
menuInflater.inflate(R.menu.gallery_context_menu, menu);
if (this.favouriteDAO.isFavourite(this.selectedWallpaper.getId())) {
menu.findItem(R.id.galleryRemoveFavouriteMenuItem).setVisible(true);
}
else {
menu.findItem(R.id.galleryAddFavouriteMenuItem).setVisible(true);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater menuInflater = getMenuInflater();
menuInflater.inflate(R.menu.main_menu, menu);
return true;
}
@Override
public boolean onContextItemSelected(MenuItem item) {
if (this.selectedWallpaper == null) {
return false;
}
switch (item.getItemId()) {
case R.id.galleryAddFavouriteMenuItem:
this.favouriteDAO.add(this.selectedWallpaper.getId());
return true;
case R.id.galleryRemoveFavouriteMenuItem:
this.favouriteDAO.remove(this.selectedWallpaper.getId());
return true;
}
return false;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.aboutMenuItem:
this.showDialog(DIALOG_ABOUT);
return true;
case R.id.settingsMenuItem:
this.startActivity(new Intent(this, SettingsActivity.class));
return true;
case R.id.recommendMenuItem:
this.recommendWallpaper();
return true;
case R.id.favouritesMenuItem:
FavouriteListActivity.showFavouriteListActivity(this);
return true;
case R.id.closeMenuItem:
this.finish();
return true;
}
return false;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_ABOUT:
return new AboutDialog(this);
default:
return null;
}
}
private void recommendWallpaper() {
if (this.selectedWallpaper == null) {
return;
}
Intent intent = new Intent(Intent.ACTION_PICK, People.CONTENT_URI);
this.startActivityForResult(intent, PICK_CONTACT);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case PICK_CONTACT:
this.onPickContactActivityResult(resultCode, data);
break;
}
}
private void onPickContactActivityResult(int resultCode, Intent data) {
if (resultCode == 0) {
return;
}
Communication[] communications = this.communicationDAO.getCommunications(data.getData());
if (communications.length < 1) {
AlertDialogFactory.showInfoMessage(this, R.string.infoText, R.string.noCommunicationFoundInfoText);
return;
}
CommunicationChooseDialog dialog = new CommunicationChooseDialog(this, communications, new CommunicationChosenListener() {
@Override
public void onCommunicationChosen(Communication communication) {
handleOnCommunicationChosen(communication);
}
});
dialog.show();
}
private void handleOnCommunicationChosen(Communication communication) {
Wallpaper wallpaper = this.selectedWallpaper;
if (communication.getType().equals(Communication.Type.Email)) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_EMAIL, new String[] { communication.getValue() });
intent.putExtra(Intent.EXTRA_SUBJECT, getBaseContext().getString(R.string.applicationName));
intent.putExtra(Intent.EXTRA_TEXT, String.format(getBaseContext().getString(R.string.recommendEmailPattern),
wallpaper.getWallpaperUrl()));
intent.setType("message/rfc822");
this.startActivity(intent);
}
else if (communication.getType().equals(Communication.Type.Mobile)) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.putExtra("address", communication.getValue());
intent.putExtra("sms_body", String.format(getBaseContext().getString(R.string.recommendSmsPattern),
wallpaper.getWallpaperUrl()));
intent.setType("vnd.android-dir/mms-sms");
this.startActivity(intent);
}
}
private class FillGalleryTask extends LongTimeRunningOperation<Wallpaper[]> {
private final Context context;
public FillGalleryTask(Dialog progressDialog, Context context) {
super(progressDialog);
this.context = context;
}
@Override
public void afterOperationSuccessfullyCompleted(Wallpaper[] result) {
updateGalleryAdapter(result);
}
@Override
public void handleUncaughtException(Throwable ex) {
if (ex instanceof WallpaperListReceivingException) {
AlertDialogFactory.showErrorMessage(this.context,
R.string.errorText,
ex.getMessage(),
new ShutDownAlertDialogOnClickListener());
}
else if (ex instanceof IOException) {
AlertDialogFactory.showErrorMessage(this.context,
R.string.errorText,
R.string.downloadException,
new ShutDownAlertDialogOnClickListener());
}
else {
throw new RuntimeException(ex);
}
}
@Override
public Wallpaper[] onRun() throws Exception {
// retrieving available wallpapers from server
wallpaperManager.loadAvailableWallpapers(getBaseContext());
Wallpaper[] wallpapers = wallpaperManager.getWallpapers();
// preloading first 3 thumbs
preloadThumbs(wallpapers, 0, 3);
return wallpapers;
}
}
private class ShutDownAlertDialogOnClickListener implements DialogInterface.OnClickListener {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
}
}