Example usage for android.view View onKeyDown

Introduction

In this page you can find the example usage for android.view View onKeyDown.

Prototype

public boolean onKeyDown(int keyCode, KeyEvent event) 

Source Link

Document

Default implementation of KeyEvent.Callback#onKeyDown(int,KeyEvent) KeyEvent.Callback.onKeyDown() : perform press of the view when KeyEvent#KEYCODE_DPAD_CENTER or KeyEvent#KEYCODE_ENTER is released, if the view is enabled and clickable.

Usage

From source file:org.mozilla.gecko.home.BrowserSearch.java

@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    mList.setTag(HomePager.LIST_TAG_BROWSER_SEARCH);

    mList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override//from  ww  w  .  j ava2s .co  m
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            // Perform the user-entered search if the user clicks on a search engine row.
            // This row will be disabled if suggestions (in addition to the user-entered term) are showing.
            if (view instanceof SearchEngineRow) {
                ((SearchEngineRow) view).performUserEnteredSearch();
                return;
            }

            // Account for the search engine rows.
            position -= getPrimaryEngineCount();
            final Cursor c = mAdapter.getCursor(position);
            final String url = c.getString(c.getColumnIndexOrThrow(URLColumns.URL));

            // The "urlbar" and "frecency" sessions can be open at the same time. Use the LIST_ITEM
            // method to set this LOAD_URL event apart from the case where the user commits what's in
            // the url bar.
            Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.LIST_ITEM);

            // This item is a TwoLinePageRow, so we allow switch-to-tab.
            mUrlOpenListener.onUrlOpen(url, EnumSet.of(OnUrlOpenListener.Flags.ALLOW_SWITCH_TO_TAB));
        }
    });

    mList.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
        @Override
        public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
            // Don't do anything when the user long-clicks on a search engine row.
            if (view instanceof SearchEngineRow) {
                return true;
            }

            // Account for the search engine rows.
            position -= getPrimaryEngineCount();
            return mList.onItemLongClick(parent, view, position, id);
        }
    });

    final ListSelectionListener listener = new ListSelectionListener();
    mList.setOnItemSelectedListener(listener);
    mList.setOnFocusChangeListener(listener);

    mList.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, android.view.KeyEvent event) {
            final View selected = mList.getSelectedView();

            if (selected instanceof SearchEngineRow) {
                return selected.onKeyDown(keyCode, event);
            }
            return false;
        }
    });

    registerForContextMenu(mList);
    EventDispatcher.getInstance().registerGeckoThreadListener(this, "SearchEngines:Data");

    mSearchEngineBar.setOnSearchBarClickListener(this);
}

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