/// <summary>Invokes the item by calling various listeners or callbacks.</summary>
/// <remarks>Invokes the item by calling various listeners or callbacks.</remarks>
/// <returns>true if the invocation was handled, false otherwise</returns>
public bool invoke()
{
if (mClickListener != null && mClickListener.onMenuItemClick(this))
{
return(true);
}
if (mMenu.dispatchMenuItemSelected(mMenu.getRootMenu(), this))
{
return(true);
}
if (mItemCallback != null)
{
mItemCallback.run();
return(true);
}
if (mIntent != null)
{
try
{
mMenu.getContext().startActivity(mIntent);
return(true);
}
catch (android.content.ActivityNotFoundException e)
{
android.util.Log.e(TAG, "Can't find activity to handle intent; ignoring", e);
}
}
if (mActionProvider != null && mActionProvider.onPerformDefaultAction())
{
return(true);
}
return(false);
}
/// <summary>Instantiates this menu item.</summary> /// <remarks>Instantiates this menu item.</remarks> /// <param name="menu"></param> /// <param name="group"> /// Item ordering grouping control. The item will be added after /// all other items whose order is <= this number, and before any /// that are larger than it. This can also be used to define /// groups of items for batch state changes. Normally use 0. /// </param> /// <param name="id">Unique item ID. Use 0 if you do not need a unique ID.</param> /// <param name="categoryOrder">The ordering for this item.</param> /// <param name="title">The text to display for the item.</param> internal MenuItemImpl([email protected] menu, int group, int id, int categoryOrder, int ordering, java.lang.CharSequence title, int showAsAction ) { if (sPrependShortcutLabel == null) { // This is instantiated from the UI thread, so no chance of sync issues sPrependShortcutLabel = menu.getContext().getResources().getString([email protected] [email protected]_shortcut_label); sEnterShortcutLabel = menu.getContext().getResources().getString([email protected] [email protected]_enter_shortcut_label); sDeleteShortcutLabel = menu.getContext().getResources().getString([email protected] [email protected]_delete_shortcut_label); sSpaceShortcutLabel = menu.getContext().getResources().getString([email protected] [email protected]_space_shortcut_label); } mMenu = menu; mId = id; mGroup = group; mCategoryOrder = categoryOrder; mOrdering = ordering; mTitle = title; mShowAsAction = showAsAction; }
/// <summary>Shows menu as a dialog.</summary>
/// <remarks>Shows menu as a dialog.</remarks>
/// <param name="windowToken">Optional token to assign to the window.</param>
public virtual void show(android.os.IBinder windowToken)
{
// Many references to mMenu, create local reference
[email protected] menu = mMenu;
// Get the builder for the dialog
android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(menu
.getContext());
mPresenter = new [email protected](builder.getContext
(), [email protected]_menu_item_layout);
mPresenter.setCallback(this);
mMenu.addMenuPresenter(mPresenter);
builder.setAdapter(mPresenter.getAdapter(), this);
// Set the title
android.view.View headerView = menu.getHeaderView();
if (headerView != null)
{
// Menu's client has given a custom header view, use it
builder.setCustomTitle(headerView);
}
else
{
// Otherwise use the (text) title and icon
builder.setIcon(menu.getHeaderIcon()).setTitle(menu.getHeaderTitle());
}
// Set the key listener
builder.setOnKeyListener(this);
// Show the menu
mDialog = builder.create();
mDialog.setOnDismissListener(this);
android.view.WindowManagerClass.LayoutParams lp = mDialog.getWindow().getAttributes
();
lp.type = android.view.WindowManagerClass.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
if (windowToken != null)
{
lp.token = windowToken;
}
lp.flags |= android.view.WindowManagerClass.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
mDialog.show();
}
