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

Example 11 with DataSetObserver

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

the class RecentsVerticalScrollView method setAdapter.

public void setAdapter(TaskDescriptionAdapter adapter) {
    mAdapter = adapter;
    mAdapter.registerDataSetObserver(new DataSetObserver() {

        public void onChanged() {
            update();
        }

        public void onInvalidated() {
            update();
        }
    });
    DisplayMetrics dm = getResources().getDisplayMetrics();
    int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(dm.widthPixels, MeasureSpec.AT_MOST);
    int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(dm.heightPixels, MeasureSpec.AT_MOST);
    View child = mAdapter.createView(mLinearLayout);
    child.measure(childWidthMeasureSpec, childheightMeasureSpec);
    mNumItemsInOneScreenful = (int) FloatMath.ceil(dm.heightPixels / (float) child.getMeasuredHeight());
    addToRecycledViews(child);
    for (int i = 0; i < mNumItemsInOneScreenful - 1; i++) {
        addToRecycledViews(mAdapter.createView(mLinearLayout));
    }
}

Example 12 with DataSetObserver

use of android.database.DataSetObserver in project tree-view-list-android by Polidea.

the class InMemoryTreeStateManager method internalDataSetChanged.

private synchronized void internalDataSetChanged() {
    visibleListCache = null;
    unmodifiableVisibleList = null;
    for (final DataSetObserver observer : observers) {
        observer.onChanged();
    }
}

Example 13 with DataSetObserver

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

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 14 with DataSetObserver

use of android.database.DataSetObserver in project SunDay by iQuick.

the class SwipeListView method setAdapter.

/**
     * @see android.widget.ListView#setAdapter(android.widget.ListAdapter)
     */
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    adapter.registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            super.onChanged();
            onListChanged();
            touchListener.resetItems();
        }
    });
}

Example 15 with DataSetObserver

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

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();
            }
        }
    }
}