Examples with DataSetObserver android.database.DataSetObserver used on opensource projects

Example 21 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by crdroidandroid.

the class SelectPrinterActivity method onCreate.

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setIcon(R.drawable.ic_print);
    setContentView(R.layout.select_printer_activity);
    mEnabledPrintServices = new ArrayMap<>();
    mPrinterRegistry = new PrinterRegistry(this, null, LOADER_ID_PRINT_REGISTRY, LOADER_ID_PRINT_REGISTRY_INT);
    // Hook up the list view.
    mListView = (ListView) findViewById(android.R.id.list);
    final DestinationAdapter adapter = new DestinationAdapter();
    adapter.registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            if (!isFinishing() && adapter.getCount() <= 0) {
                updateEmptyView(adapter);
            }
        }

        @Override
        public void onInvalidated() {
            if (!isFinishing()) {
                updateEmptyView(adapter);
            }
        }
    });
    mListView.setAdapter(adapter);
    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if (!((DestinationAdapter) mListView.getAdapter()).isActionable(position)) {
                return;
            }
            PrinterInfo printer = (PrinterInfo) mListView.getAdapter().getItem(position);
            if (printer == null) {
                startAddPrinterActivity();
            } else {
                onPrinterSelected(printer);
            }
        }
    });
    findViewById(R.id.button).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            startAddPrinterActivity();
        }
    });
    registerForContextMenu(mListView);
    getLoaderManager().initLoader(LOADER_ID_ENABLED_PRINT_SERVICES, null, this);
    // If some are disabled and some are enabled show a toast to notify the user
    if (savedInstanceState == null || !savedInstanceState.getBoolean(KEY_NOT_FIRST_CREATE)) {
        List<PrintServiceInfo> allServices = ((PrintManager) getSystemService(Context.PRINT_SERVICE)).getPrintServices(PrintManager.ALL_SERVICES);
        boolean hasEnabledServices = false;
        boolean hasDisabledServices = false;
        if (allServices != null) {
            final int numServices = allServices.size();
            for (int i = 0; i < numServices; i++) {
                if (allServices.get(i).isEnabled()) {
                    hasEnabledServices = true;
                } else {
                    hasDisabledServices = true;
                }
            }
        }
        if (!hasEnabledServices) {
            startAddPrinterActivity();
        } else if (hasDisabledServices) {
            String disabledServicesSetting = Settings.Secure.getString(getContentResolver(), Settings.Secure.DISABLED_PRINT_SERVICES);
            if (!TextUtils.isEmpty(disabledServicesSetting)) {
                Toast.makeText(this, getString(R.string.print_services_disabled_toast), Toast.LENGTH_LONG).show();
            }
        }
    }
}

Example 22 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by crdroidandroid.

the class CalendarViewLegacyDelegate method setUpAdapter.

/**
     * Creates a new adapter if necessary and sets up its parameters.
     */
private void setUpAdapter() {
    if (mAdapter == null) {
        mAdapter = new WeeksAdapter(mContext);
        mAdapter.registerDataSetObserver(new DataSetObserver() {

            @Override
            public void onChanged() {
                if (mOnDateChangeListener != null) {
                    Calendar selectedDay = mAdapter.getSelectedDay();
                    mOnDateChangeListener.onSelectedDayChange(mDelegator, selectedDay.get(Calendar.YEAR), selectedDay.get(Calendar.MONTH), selectedDay.get(Calendar.DAY_OF_MONTH));
                }
            }
        });
        mListView.setAdapter(mAdapter);
    }
    // refresh the view with the new parameters
    mAdapter.notifyDataSetChanged();
}

Example 23 with DataSetObserver

use of android.database.DataSetObserver in project little-bear-dictionary by daimajia.

the class CalendarView method setUpAdapter.

private void setUpAdapter() {
    if (mAdapter == null) {
        mAdapter = new WeeksAdapter(getContext());
        mAdapter.registerDataSetObserver(new DataSetObserver() {

            @Override
            public void onChanged() {
                if (mOnDateChangeListener != null) {
                    Calendar selectedDay = mAdapter.getSelectedDay();
                    mOnDateChangeListener.onSelectedDayChange(CalendarView.this, selectedDay.get(Calendar.YEAR), selectedDay.get(Calendar.MONTH), selectedDay.get(Calendar.DAY_OF_MONTH));
                }
            }
        });
        mListView.setAdapter(mAdapter);
    }
    mAdapter.notifyDataSetChanged();
}

Example 24 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by DirtyUnicorns.

the class CalendarViewLegacyDelegate method setUpAdapter.

/**
     * Creates a new adapter if necessary and sets up its parameters.
     */
private void setUpAdapter() {
    if (mAdapter == null) {
        mAdapter = new WeeksAdapter(mContext);
        mAdapter.registerDataSetObserver(new DataSetObserver() {

            @Override
            public void onChanged() {
                if (mOnDateChangeListener != null) {
                    Calendar selectedDay = mAdapter.getSelectedDay();
                    mOnDateChangeListener.onSelectedDayChange(mDelegator, selectedDay.get(Calendar.YEAR), selectedDay.get(Calendar.MONTH), selectedDay.get(Calendar.DAY_OF_MONTH));
                }
            }
        });
        mListView.setAdapter(mAdapter);
    }
    // refresh the view with the new parameters
    mAdapter.notifyDataSetChanged();
}

Example 25 with DataSetObserver

use of android.database.DataSetObserver in project qualitymatters by artem-zinnatullin.

the class DeveloperSettingsSpinnerAdapterTest method setSelectableOptions_shouldNotifyObservers.

@Test
public void setSelectableOptions_shouldNotifyObservers() {
    DataSetObserver dataSetObserver = mock(DataSetObserver.class);
    adapter.registerDataSetObserver(dataSetObserver);
    verifyZeroInteractions(dataSetObserver);
    adapter.setSelectionOptions(emptyList());
    verify(dataSetObserver).onChanged();
}