Add personal and work tabs to share sheet and intent picker. (cf26864a) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java

+37 −5

Original line number	Diff line number	Diff line
		@@ -26,7 +26,9 @@ import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.widget.PagerAdapter;
		import com.android.internal.widget.ViewPager;

		import java.util.HashSet;
		import java.util.Objects;
		import java.util.Set;

		/**
		* Skeletal {@link PagerAdapter} implementation of a work or personal profile page for
		@@ -34,6 +36,7 @@ import java.util.Objects;
		*/
		public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {

		private static final String TAG = "AbstractMultiProfilePagerAdapter";
		static final int PROFILE_PERSONAL = 0;
		static final int PROFILE_WORK = 1;
		@IntDef({PROFILE_PERSONAL, PROFILE_WORK})
		@@ -41,10 +44,17 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {

		private final Context mContext;
		private int mCurrentPage;
		private OnProfileSelectedListener mOnProfileSelectedListener;
		private Set<Integer> mLoadedPages;

		AbstractMultiProfilePagerAdapter(Context context, int currentPage) {
		mContext = Objects.requireNonNull(context);
		mCurrentPage = currentPage;
		mLoadedPages = new HashSet<>();
		}

		void setOnProfileSelectedListener(OnProfileSelectedListener listener) {
		mOnProfileSelectedListener = listener;
		}

		Context getContext() {
		@@ -57,15 +67,22 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		* page and rebuilds the list.
		*/
		void setupViewPager(ViewPager viewPager) {
		viewPager.setCurrentItem(mCurrentPage);
		viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
		@Override
		public void onPageSelected(int position) {
		mCurrentPage = position;
		if (!mLoadedPages.contains(position)) {
		getActiveListAdapter().rebuildList();
		mLoadedPages.add(position);
		}
		if (mOnProfileSelectedListener != null) {
		mOnProfileSelectedListener.onProfileSelected(position);
		}
		}
		});
		viewPager.setAdapter(this);
		viewPager.setCurrentItem(mCurrentPage);
		mLoadedPages.add(mCurrentPage);
		}

		@Override
		@@ -90,7 +107,8 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		return mCurrentPage;
		}

		UserHandle getCurrentUserHandle() {
		@VisibleForTesting
		public UserHandle getCurrentUserHandle() {
		return getActiveListAdapter().mResolverListController.getUserHandle();
		}

		@@ -135,7 +153,8 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		* <p>This method is meant to be implemented with an implementation-specific return type
		* depending on the adapter type.
		*/
		abstract Object getAdapterForIndex(int pageIndex);
		@VisibleForTesting
		public abstract Object getAdapterForIndex(int pageIndex);

		@VisibleForTesting
		public abstract ResolverListAdapter getActiveListAdapter();
		@@ -152,7 +171,9 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {

		abstract Object getCurrentRootAdapter();

		abstract ViewGroup getCurrentAdapterView();
		abstract ViewGroup getActiveAdapterView();

		abstract @Nullable ViewGroup getInactiveAdapterView();

		protected class ProfileDescriptor {
		final ViewGroup rootView;
		@@ -160,4 +181,15 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		this.rootView = rootView;
		}
		}

		public interface OnProfileSelectedListener {
		/**
		* Callback for when the user changes the active tab from personal to work or vice versa.
		* <p>This callback is only called when the intent resolver or share sheet shows
		* the work and personal profiles.
		* @param profileIndex {@link #PROFILE_PERSONAL} if the personal profile was selected or
		* {@link #PROFILE_WORK} if the work profile was selected.
		*/
		void onProfileSelected(int profileIndex);
		}
		}
		No newline at end of file

core/java/com/android/internal/app/ChooserActivity.java

+36 −29

Original line number	Diff line number	Diff line
		@@ -508,7 +508,6 @@ public class ChooserActivity extends ResolverActivity implements
		protected void onCreate(Bundle savedInstanceState) {
		final long intentReceivedTime = System.currentTimeMillis();
		// This is the only place this value is being set. Effectively final.
		//TODO(arangelov) - should there be a mIsAppPredictorComponentAvailable flag for work tab?
		mIsAppPredictorComponentAvailable = isAppPredictionServiceAvailable();

		mIsSuccessfullySelected = false;
		@@ -689,29 +688,6 @@ public class ChooserActivity extends ResolverActivity implements
		mResolverDrawerLayout.setOnScrollChangeListener(this::handleScroll);
		}

		final View chooserHeader = mResolverDrawerLayout.findViewById(R.id.chooser_header);
		final float defaultElevation = chooserHeader.getElevation();
		final float chooserHeaderScrollElevation =
		getResources().getDimensionPixelSize(R.dimen.chooser_header_scroll_elevation);

		mChooserMultiProfilePagerAdapter.getCurrentAdapterView().addOnScrollListener(
		new RecyclerView.OnScrollListener() {
		public void onScrollStateChanged(RecyclerView view, int scrollState) {
		}

		public void onScrolled(RecyclerView view, int dx, int dy) {
		if (view.getChildCount() > 0) {
		View child = view.getLayoutManager().findViewByPosition(0);
		if (child == null \|\| child.getTop() < 0) {
		chooserHeader.setElevation(chooserHeaderScrollElevation);
		return;
		}
		}

		chooserHeader.setElevation(defaultElevation);
		}
		});

		mResolverDrawerLayout.setOnCollapsedChangedListener(
		new ResolverDrawerLayout.OnCollapsedChangedListener() {

		@@ -1330,8 +1306,8 @@ public class ChooserActivity extends ResolverActivity implements
		}

		@Override
		public void onPrepareAdapterView(ResolverListAdapter adapter) {
		mChooserMultiProfilePagerAdapter.getCurrentAdapterView().setVisibility(View.VISIBLE);
		public void addUseDifferentAppLabelIfNecessary(ResolverListAdapter adapter) {
		mChooserMultiProfilePagerAdapter.getActiveAdapterView().setVisibility(View.VISIBLE);
		if (mCallerChooserTargets != null && mCallerChooserTargets.length > 0) {
		mChooserMultiProfilePagerAdapter.getActiveListAdapter().addServiceResults(
		/* origTarget */ null,
		@@ -2202,7 +2178,7 @@ public class ChooserActivity extends ResolverActivity implements
		if (mChooserMultiProfilePagerAdapter == null) {
		return;
		}
		RecyclerView recyclerView = mChooserMultiProfilePagerAdapter.getCurrentAdapterView();
		RecyclerView recyclerView = mChooserMultiProfilePagerAdapter.getActiveAdapterView();
		ChooserGridAdapter gridAdapter = mChooserMultiProfilePagerAdapter.getCurrentRootAdapter();
		if (gridAdapter == null \|\| recyclerView == null) {
		return;
		@@ -2328,6 +2304,8 @@ public class ChooserActivity extends ResolverActivity implements

		@Override
		public void onListRebuilt(ResolverListAdapter listAdapter) {
		setupScrollListener();

		ChooserListAdapter chooserListAdapter = (ChooserListAdapter) listAdapter;
		if (chooserListAdapter.mDisplayList == null
		\|\| chooserListAdapter.mDisplayList.isEmpty()) {
		@@ -2368,6 +2346,34 @@ public class ChooserActivity extends ResolverActivity implements
		}
		}

		private void setupScrollListener() {
		if (mResolverDrawerLayout == null) {
		return;
		}
		final View chooserHeader = mResolverDrawerLayout.findViewById(R.id.chooser_header);
		final float defaultElevation = chooserHeader.getElevation();
		final float chooserHeaderScrollElevation =
		getResources().getDimensionPixelSize(R.dimen.chooser_header_scroll_elevation);

		mChooserMultiProfilePagerAdapter.getActiveAdapterView().addOnScrollListener(
		new RecyclerView.OnScrollListener() {
		public void onScrollStateChanged(RecyclerView view, int scrollState) {
		}

		public void onScrolled(RecyclerView view, int dx, int dy) {
		if (view.getChildCount() > 0) {
		View child = view.getLayoutManager().findViewByPosition(0);
		if (child == null \|\| child.getTop() < 0) {
		chooserHeader.setElevation(chooserHeaderScrollElevation);
		return;
		}
		}

		chooserHeader.setElevation(defaultElevation);
		}
		});
		}

		@Override // ChooserListCommunicator
		public boolean isSendAction(Intent targetIntent) {
		if (targetIntent == null) {
		@@ -2475,7 +2481,8 @@ public class ChooserActivity extends ResolverActivity implements
		* row level by this adapter but not on the item level. Individual targets within the row are
		* handled by {@link ChooserListAdapter}
		*/
		final class ChooserGridAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
		@VisibleForTesting
		public final class ChooserGridAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
		private ChooserListAdapter mChooserListAdapter;
		private final LayoutInflater mLayoutInflater;

		@@ -2905,7 +2912,7 @@ public class ChooserActivity extends ResolverActivity implements

		if (mDirectShareViewHolder != null && canExpandDirectShare) {
		mDirectShareViewHolder.handleScroll(
		mChooserMultiProfilePagerAdapter.getCurrentAdapterView(), y, oldy,
		mChooserMultiProfilePagerAdapter.getActiveAdapterView(), y, oldy,
		getMaxTargetsPerRow());
		}
		}

core/java/com/android/internal/app/ChooserListAdapter.java

+0 −5

Original line number	Diff line number	Diff line
		@@ -245,11 +245,6 @@ public class ChooserListAdapter extends ResolverListAdapter {
		Collections.sort(mSortedList, new ChooserActivity.AzInfoComparator(mContext));
		}

		@Override
		public boolean shouldGetResolvedFilter() {
		return true;
		}

		@Override
		public int getCount() {
		return getRankedTargetCount() + getAlphaTargetCount()

core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java

+13 −2

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.internal.app;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.view.LayoutInflater;
		import android.view.ViewGroup;
		@@ -77,7 +78,8 @@ public class ChooserMultiProfilePagerAdapter extends AbstractMultiProfilePagerAd
		}

		@Override
		ChooserActivity.ChooserGridAdapter getAdapterForIndex(int pageIndex) {
		@VisibleForTesting
		public ChooserActivity.ChooserGridAdapter getAdapterForIndex(int pageIndex) {
		return mItems[pageIndex].chooserGridAdapter;
		}

		@@ -121,10 +123,19 @@ public class ChooserMultiProfilePagerAdapter extends AbstractMultiProfilePagerAd
		}

		@Override
		RecyclerView getCurrentAdapterView() {
		RecyclerView getActiveAdapterView() {
		return getListViewForIndex(getCurrentPage());
		}

		@Override
		@Nullable
		RecyclerView getInactiveAdapterView() {
		if (getCount() == 1) {
		return null;
		}
		return getListViewForIndex(1 - getCurrentPage());
		}

		class ChooserProfileDescriptor extends ProfileDescriptor {
		private ChooserActivity.ChooserGridAdapter chooserGridAdapter;
		private RecyclerView recyclerView;

core/java/com/android/internal/app/ResolverActivity.java

+118 −38

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@ import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.Slog;
		import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.ViewGroup;
		@@ -67,9 +68,12 @@ import android.view.WindowInsets;
		import android.widget.AbsListView;
		import android.widget.AdapterView;
		import android.widget.Button;
		import android.widget.FrameLayout;
		import android.widget.ImageView;
		import android.widget.ListView;
		import android.widget.Space;
		import android.widget.TabHost;
		import android.widget.TabWidget;
		import android.widget.TextView;
		import android.widget.Toast;

		@@ -82,6 +86,7 @@ import com.android.internal.content.PackageMonitor;
		import com.android.internal.logging.MetricsLogger;
		import com.android.internal.logging.nano.MetricsProto;
		import com.android.internal.widget.ResolverDrawerLayout;
		import com.android.internal.widget.ViewPager;

		import java.util.ArrayList;
		import java.util.Arrays;
		@@ -147,7 +152,10 @@ public class ResolverActivity extends Activity implements
		/**
		* TODO(arangelov): Remove a couple of weeks after work/personal tabs are finalized.
		*/
		static final boolean ENABLE_TABBED_VIEW = false;
		@VisibleForTesting
		public static boolean ENABLE_TABBED_VIEW = false;
		private static final String TAB_TAG_PERSONAL = "personal";
		private static final String TAB_TAG_WORK = "work";

		private final PackageMonitor mPackageMonitor = createPackageMonitor();

		@@ -418,12 +426,16 @@ public class ResolverActivity extends Activity implements
		Intent[] initialIntents,
		List<ResolveInfo> rList,
		boolean filterLastUsed) {
		// We only show the default app for the profile of the current user. The filterLastUsed
		// flag determines whether to show a default app and that app is not shown in the
		// resolver list. So filterLastUsed should be false for the other profile.
		ResolverListAdapter personalAdapter = createResolverListAdapter(
		/* context */ this,
		/* payloadIntents */ mIntents,
		initialIntents,
		rList,
		filterLastUsed,
		(filterLastUsed && UserHandle.myUserId()
		== getPersonalProfileUserHandle().getIdentifier()),
		mUseLayoutForBrowsables,
		/* userHandle */ getPersonalProfileUserHandle());
		ResolverListAdapter workAdapter = createResolverListAdapter(
		@@ -431,7 +443,8 @@ public class ResolverActivity extends Activity implements
		/* payloadIntents */ mIntents,
		initialIntents,
		rList,
		filterLastUsed,
		(filterLastUsed && UserHandle.myUserId()
		== getWorkProfileUserHandle().getIdentifier()),
		mUseLayoutForBrowsables,
		/* userHandle */ getWorkProfileUserHandle());
		return new ResolverMultiProfilePagerAdapter(
		@@ -495,12 +508,12 @@ public class ResolverActivity extends Activity implements
		mFooterSpacer = new Space(getApplicationContext());
		} else {
		((ResolverMultiProfilePagerAdapter) mMultiProfilePagerAdapter)
		.getCurrentAdapterView().removeFooterView(mFooterSpacer);
		.getActiveAdapterView().removeFooterView(mFooterSpacer);
		}
		mFooterSpacer.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT,
		mSystemWindowInsets.bottom));
		((ResolverMultiProfilePagerAdapter) mMultiProfilePagerAdapter)
		.getCurrentAdapterView().addFooterView(mFooterSpacer);
		.getActiveAdapterView().addFooterView(mFooterSpacer);
		}

		protected WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
		@@ -817,7 +830,7 @@ public class ResolverActivity extends Activity implements

		public void onButtonClick(View v) {
		final int id = v.getId();
		ListView listView = (ListView) mMultiProfilePagerAdapter.getCurrentAdapterView();
		ListView listView = (ListView) mMultiProfilePagerAdapter.getActiveAdapterView();
		ResolverListAdapter currentListAdapter = mMultiProfilePagerAdapter.getActiveListAdapter();
		int which = currentListAdapter.hasFilteredItem()
		? currentListAdapter.getFilteredPosition()
		@@ -898,7 +911,10 @@ public class ResolverActivity extends Activity implements

		@Override // ResolverListCommunicator
		public void onPostListReady(ResolverListAdapter listAdapter) {
		if (mMultiProfilePagerAdapter.getCurrentUserHandle().getIdentifier()
		== UserHandle.myUserId()) {
		setHeader();
		}
		resetButtonBar();
		onListRebuilt(listAdapter);
		}
		@@ -913,6 +929,9 @@ public class ResolverActivity extends Activity implements
		finish();
		}
		}

		final ItemClickListener listener = new ItemClickListener();
		setupAdapterListView((ListView) mMultiProfilePagerAdapter.getActiveAdapterView(), listener);
		}

		protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
		@@ -1094,6 +1113,7 @@ public class ResolverActivity extends Activity implements
		return true;
		}

		@VisibleForTesting
		public void safelyStartActivity(TargetInfo cti) {
		// We're dispatching intents that might be coming from legacy apps, so
		// don't kill ourselves.
		@@ -1222,9 +1242,6 @@ public class ResolverActivity extends Activity implements
		+ "cannot be null.");
		}
		boolean rebuildCompleted = mMultiProfilePagerAdapter.getActiveListAdapter().rebuildList();
		if (mMultiProfilePagerAdapter.getInactiveListAdapter() != null) {
		mMultiProfilePagerAdapter.getInactiveListAdapter().rebuildList();
		}
		if (useLayoutWithDefault()) {
		mLayoutId = R.layout.resolver_list_with_default;
		} else {
		@@ -1272,45 +1289,99 @@ public class ResolverActivity extends Activity implements
		}
		}

		setupViewVisibilities(count);
		setupViewVisibilities();

		if (hasWorkProfile() && ENABLE_TABBED_VIEW) {
		setupProfileTabs();
		}

		return false;
		}

		private void setupViewVisibilities(int count) {
		if (count == 0
		&& mMultiProfilePagerAdapter.getActiveListAdapter().getPlaceholderCount() == 0) {
		final TextView emptyView = findViewById(R.id.empty);
		emptyView.setVisibility(View.VISIBLE);
		findViewById(R.id.profile_pager).setVisibility(View.GONE);
		private void setupProfileTabs() {
		TabHost tabHost = findViewById(R.id.profile_tabhost);
		tabHost.setup();
		ViewPager viewPager = findViewById(R.id.profile_pager);
		TabHost.TabSpec tabSpec = tabHost.newTabSpec(TAB_TAG_PERSONAL)
		.setContent(R.id.profile_pager)
		.setIndicator(getString(R.string.resolver_personal_tab));
		tabHost.addTab(tabSpec);

		tabSpec = tabHost.newTabSpec(TAB_TAG_WORK)
		.setContent(R.id.profile_pager)
		.setIndicator(getString(R.string.resolver_work_tab));
		tabHost.addTab(tabSpec);

		TabWidget tabWidget = tabHost.getTabWidget();
		tabWidget.setVisibility(View.VISIBLE);
		resetTabsHeaderStyle(tabWidget);
		updateActiveTabStyle(tabHost);

		tabHost.setOnTabChangedListener(tabId -> {
		resetTabsHeaderStyle(tabWidget);
		updateActiveTabStyle(tabHost);
		if (TAB_TAG_PERSONAL.equals(tabId)) {
		viewPager.setCurrentItem(0);
		} else {
		onPrepareAdapterView(mMultiProfilePagerAdapter.getActiveListAdapter());
		viewPager.setCurrentItem(1);
		}
		setupViewVisibilities();
		});

		viewPager.setVisibility(View.VISIBLE);
		tabHost.setCurrentTab(mMultiProfilePagerAdapter.getCurrentPage());
		mMultiProfilePagerAdapter.setOnProfileSelectedListener(tabHost::setCurrentTab);
		}

		private void resetTabsHeaderStyle(TabWidget tabWidget) {
		for (int i = 0; i < tabWidget.getChildCount(); i++) {
		TextView title = tabWidget.getChildAt(i).findViewById(android.R.id.title);
		title.setTextColor(getColor(R.color.resolver_tabs_inactive_color));
		title.setAllCaps(false);
		}
		}

		private void updateActiveTabStyle(TabHost tabHost) {
		TextView title = tabHost.getTabWidget().getChildAt(tabHost.getCurrentTab())
		.findViewById(android.R.id.title);
		title.setTextColor(getColor(R.color.resolver_tabs_active_color));
		}

		private void setupViewVisibilities() {
		int count = mMultiProfilePagerAdapter.getActiveListAdapter().getUnfilteredCount();
		boolean shouldShowEmptyState = count == 0
		&& mMultiProfilePagerAdapter.getActiveListAdapter().getPlaceholderCount() == 0;
		//TODO(arangelov): Handle empty state
		if (!shouldShowEmptyState) {
		addUseDifferentAppLabelIfNecessary(mMultiProfilePagerAdapter.getActiveListAdapter());
		}
		}

		/**
		* Prepare the scrollable view which consumes data in the list adapter.
		* Add a label to signify that the user can pick a different app.
		* @param adapter The adapter used to provide data to item views.
		*/
		public void onPrepareAdapterView(ResolverListAdapter adapter) {
		mMultiProfilePagerAdapter.getCurrentAdapterView().setVisibility(View.VISIBLE);
		public void addUseDifferentAppLabelIfNecessary(ResolverListAdapter adapter) {
		final boolean useHeader = adapter.hasFilteredItem();
		final ListView listView = (ListView) mMultiProfilePagerAdapter.getCurrentAdapterView();
		final ItemClickListener listener = new ItemClickListener();
		if (useHeader) {
		FrameLayout stub = findViewById(R.id.stub);
		stub.setVisibility(View.VISIBLE);
		TextView textView = (TextView) LayoutInflater.from(this).inflate(
		R.layout.resolver_different_item_header, null, false);
		if (ENABLE_TABBED_VIEW) {
		textView.setGravity(Gravity.CENTER);
		}
		stub.addView(textView);
		}
		}

		private void setupAdapterListView(ListView listView, ItemClickListener listener) {
		listView.setOnItemClickListener(listener);
		listView.setOnItemLongClickListener(listener);

		if (mSupportsAlwaysUseOption \|\| mUseLayoutForBrowsables) {
		listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
		}

		// In case this method is called again (due to activity recreation), avoid adding a new
		// header if one is already present.
		if (useHeader && listView.getHeaderViewsCount() == 0) {
		listView.setHeaderDividersEnabled(true);
		listView.addHeaderView(LayoutInflater.from(this).inflate(
		R.layout.resolver_different_item_header, listView, false),
		null, false);
		}
		}

		/**
		@@ -1378,7 +1449,7 @@ public class ResolverActivity extends Activity implements
		}

		// When the items load in, if an item was already selected, enable the buttons
		ListView currentAdapterView = (ListView) mMultiProfilePagerAdapter.getCurrentAdapterView();
		ListView currentAdapterView = (ListView) mMultiProfilePagerAdapter.getActiveAdapterView();
		if (currentAdapterView != null
		&& currentAdapterView.getCheckedItemPosition() != ListView.INVALID_POSITION) {
		setAlwaysButtonEnabled(true, currentAdapterView.getCheckedItemPosition(), true);
		@@ -1388,8 +1459,18 @@ public class ResolverActivity extends Activity implements

		@Override // ResolverListCommunicator
		public boolean useLayoutWithDefault() {
		return mSupportsAlwaysUseOption
		&& mMultiProfilePagerAdapter.getActiveListAdapter().hasFilteredItem();
		// We only use the default app layout when the profile of the active user has a
		// filtered item. We always show the same default app even in the inactive user profile.
		boolean currentUserAdapterHasFilteredItem;
		if (mMultiProfilePagerAdapter.getCurrentUserHandle().getIdentifier()
		== UserHandle.myUserId()) {
		currentUserAdapterHasFilteredItem =
		mMultiProfilePagerAdapter.getActiveListAdapter().hasFilteredItem();
		} else {
		currentUserAdapterHasFilteredItem =
		mMultiProfilePagerAdapter.getInactiveListAdapter().hasFilteredItem();
		}
		return mSupportsAlwaysUseOption && currentUserAdapterHasFilteredItem;
		}

		/**
		@@ -1494,9 +1575,8 @@ public class ResolverActivity extends Activity implements
		.resolveInfoForPosition(position, true) == null) {
		return;
		}

		ListView currentAdapterView =
		(ListView) mMultiProfilePagerAdapter.getCurrentAdapterView();
		(ListView) mMultiProfilePagerAdapter.getActiveAdapterView();
		final int checkedPos = currentAdapterView.getCheckedItemPosition();
		final boolean hasValidSelection = checkedPos != ListView.INVALID_POSITION;
		if (!useLayoutWithDefault()