Example usage for android.widget ListAdapter registerDataSetObserver

List of usage examples for android.widget ListAdapter registerDataSetObserver

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  4. android.widget.*
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  6. registerDataSetObserver

Introduction

In this page you can find the example usage for android.widget ListAdapter registerDataSetObserver.

Prototype

void registerDataSetObserver(DataSetObserver observer);

Source Link

Document

Register an observer that is called when changes happen to the data used by this adapter.

Usage

From source file:org.dmfs.webcal.adapters.SectionTitlesAdapter.java

public SectionTitlesAdapter(Context context, ListAdapter adapter, SectionIndexer indexer,
        int sectionHeaderViewid) {
    mAdaptedAdapter = adapter;//from   w w  w .j  a va2  s  .  co  m
    mIndexer = indexer;
    mSectionHeaderViewId = sectionHeaderViewid;
    adapter.registerDataSetObserver(new DataSetObserver() {
        @Override
        public void onChanged() {
            buildIndex();
        }
    });
    mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    buildIndex();
}

From source file:com.elegion.newsfeed.fragment.SwipeToRefreshList.java

public void setListAdapter(ListAdapter adapter) {
    final DataSetObserver dataSetObserver = mSwipeToDismissController.getDataSetObserver();
    final ListAdapter oldAdapter = mListView.getAdapter();
    if (oldAdapter != null) {
        oldAdapter.unregisterDataSetObserver(dataSetObserver);
    }/*from   w ww  . j a v a2 s  . c om*/
    mListView.setAdapter(adapter);
    adapter.registerDataSetObserver(dataSetObserver);
}

From source file:com.apptentive.android.sdk.module.messagecenter.view.MessageCenterListView.java

@Override
public void setAdapter(ListAdapter adapter) {
    // unregister observer at old adapter and register on new one
    ListAdapter oldAdapter = getAdapter();
    if (oldAdapter != null) {
        oldAdapter.unregisterDataSetObserver(dataSetObserver);
    }//from  w w w . j a v  a 2  s .  c o  m
    if (adapter != null) {
        adapter.registerDataSetObserver(dataSetObserver);
    }

    if (oldAdapter != adapter) {
        destroyStickyShadow();
    }

    super.setAdapter(adapter);
}

From source file:SwipeListView.java

/**
 * @see android.widget.ListView#setAdapter(android.widget.ListAdapter)
 *///  www.  j a v a2  s.c  o m
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    adapter.registerDataSetObserver(new DataSetObserver() {
        @Override
        public void onChanged() {
            super.onChanged();
            onListChanged();
            touchListener.resetItems();
        }
    });
}

From source file:com.app.musicplayer.Custom.Swipe.SwipeListView.java

/**
 * @see android.widget.ListView#setAdapter(android.widget.ListAdapter)
 *//*from w  ww . ja  va 2s .c o  m*/
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    adapter.registerDataSetObserver(new DataSetObserver() {

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

From source file:com.vincentbrison.openlibraries.android.swipelistview.SwipeListView.java

/**
 * @see android.widget.ListView#setAdapter(android.widget.ListAdapter)
 *///from  w  w w  .  j  a  v  a  2 s. c  om
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    adapter.registerDataSetObserver(new DataSetObserver() {

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

        }
    });
}

From source file:cn.fantasee.swipwmenulistview.swipelistview.SwipeListView.java

/**
 * @see ListView#setAdapter(ListAdapter)
 *///from  w  w w  . ja va  2 s  . co  m
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    if (null != adapter) {
        adapter.registerDataSetObserver(new DataSetObserver() {

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

From source file:com.commonsware.cwac.masterdetail.MasterDetailHelper.java

/**
 * Initializes the master-detail UI. This should be called
 * from onCreate() of the activity that is implementing
 * the master-detail pattern./*from ww  w  .j ava 2s .  c  om*/
 * 
 * @param host
 *          the activity implementing the master-detail
 *          pattern
 * @param state
 *          the Bundle passed into the activity's
 *          onCreate() method
 */
@SuppressWarnings("unchecked")
public void onCreate(Activity host, Bundle state) {
    this.host = host;

    if (state != null) {
        pagerId = state.getInt(STATE_PAGER_ID, -1);
    }

    if (pagerId == -1) {
        pagerId = generateViewId(); // must have an ID to
                                    // work
    }

    modelCollectionFragment = (ModelCollectionFragment<T>) getFragmentManager()
            .findFragmentByTag(getModelFragmentTag());

    if (modelCollectionFragment == null) {
        modelCollectionFragment = new ModelCollectionFragment<T>().modelCollection(buildModelCollection());

        getFragmentManager().beginTransaction().add(modelCollectionFragment, getModelFragmentTag()).commit();
    }

    int minDip = getMinimumDipWidthForDualPane();

    if (getResources().getConfiguration().screenWidthDp >= minDip
            || getResources().getConfiguration().screenHeightDp >= minDip) {
        strategy = new MasterDetailStrategy.DualPane(this, pagerId);
    } else {
        strategy = new MasterDetailStrategy.SinglePane(this, pagerId);
    }

    pages = buildPagerAdapter(getFragmentManager());
    host.setContentView(strategy.getContentView(pages));
    lv = (ListView) host.findViewById(android.R.id.list);

    ListAdapter adapter = buildListAdapter();

    adapter.registerDataSetObserver(masterObserver);
    setListAdapter(adapter);

    if (offerActionMode()) {
        getListView().setOnItemLongClickListener(this);
    }

    getListView().setChoiceMode(getDefaultChoiceMode());

    if (state != null) {
        if (state.getBoolean(STATE_MC, false)) {
            getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
            getListView().setMultiChoiceModeListener(this);
        } else {
            int position = state.getInt(STATE_CHECKED, -1);

            if (position > -1 && state.getBoolean(STATE_SHOW_DETAIL, false)) {
                showDetail(position);
            } else {
                strategy.clearDetail();
            }
        }
    }
}

From source file:il.co.globes.android.swipeListView.SwipeListView.java

/**
 * @see android.widget.ListView#setAdapter(android.widget.ListAdapter)
 *//*from   www .j a v a2s  . c  o m*/
@Override
public void setAdapter(ListAdapter adapter) {
    super.setAdapter(adapter);
    touchListener.resetItems();
    if (adapter != null) {
        adapter.registerDataSetObserver(new DataSetObserver() {
            @Override
            public void onChanged() {
                super.onChanged();
                onListChanged();
                touchListener.resetItems();
            }
        });
    }
}

From source file:net.naonedbus.fragment.CustomListFragment.java

@Override
public void onLoadFinished(final Loader<AsyncResult<ListAdapter>> loader,
        final AsyncResult<ListAdapter> result) {
    if (DBG)//from  w  w w .jav a2  s . c  o m
        Log.d(LOG_TAG + "$" + getClass().getSimpleName(), "onLoadFinished " + result);

    if (result == null) {
        showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId);
        return;
    }

    final Exception exception = result.getException();

    if (exception == null) {

        final ListAdapter adapter = result.getResult();
        setListAdapter(adapter);

        if (adapter == null) {
            showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId);
        } else {
            adapter.registerDataSetObserver(new DataSetObserver() {
                @Override
                public void onChanged() {
                    super.onChanged();
                    onListAdapterChange(adapter);
                }
            });

            if (adapter.getCount() > 0) {
                if (mListViewStatePosition != -1 && isAdded()) {
                    getListView().setSelectionFromTop(mListViewStatePosition, mListViewStateTop);
                    mListViewStatePosition = -1;
                }

                showContent();
                resetNextUpdate();
            } else {
                showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId);
            }
        }

    } else {

        int titleRes = R.string.error_title;
        int messageRes = R.string.error_summary;
        int drawableRes = R.drawable.warning;

        // Erreur rseau ou interne ?
        if (exception instanceof IOException) {
            titleRes = R.string.error_title_network;
            messageRes = R.string.error_summary_network;
            drawableRes = R.drawable.ic_thunderstorm;
        } else if (exception instanceof JSONException) {
            titleRes = R.string.error_title_webservice;
            messageRes = R.string.error_summary_webservice;
        }

        if (getListAdapter() == null || getListAdapter().isEmpty()) {
            showMessage(titleRes, messageRes, drawableRes);
        } else {
            Crouton.makeText(getActivity(), titleRes, Style.ALERT, (ViewGroup) getView()).show();
        }

        Log.e(getClass().getSimpleName(), "Erreur de chargement.", exception);
    }

    onPostExecute();
}