Add empty state screens. (590fba38) · Commits · e / os / android_frameworks_base

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

+108 −9

Original line number	Diff line number	Diff line
		@@ -15,15 +15,25 @@
		*/
		package com.android.internal.app;

		import android.annotation.DrawableRes;
		import android.annotation.IntDef;
		import android.annotation.Nullable;
		import android.annotation.StringRes;
		import android.app.AppGlobals;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.IPackageManager;
		import android.content.pm.ResolveInfo;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.Button;
		import android.widget.ImageView;
		import android.widget.TextView;

		import com.android.internal.R;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.widget.PagerAdapter;
		import com.android.internal.widget.ViewPager;
		@@ -213,26 +223,115 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {

		abstract @Nullable ViewGroup getInactiveAdapterView();

		boolean rebuildActiveTab(boolean post) {
		return rebuildTab(getActiveListAdapter(), post);
		/**
		* Rebuilds the tab that is currently visible to the user.
		* <p>Returns {@code true} if rebuild has completed.
		*/
		boolean rebuildActiveTab(boolean doPostProcessing) {
		return rebuildTab(getActiveListAdapter(), doPostProcessing);
		}

		boolean rebuildInactiveTab(boolean post) {
		/**
		* Rebuilds the tab that is not currently visible to the user, if such one exists.
		* <p>Returns {@code true} if rebuild has completed.
		*/
		boolean rebuildInactiveTab(boolean doPostProcessing) {
		if (getItemCount() == 1) {
		return false;
		}
		return rebuildTab(getInactiveListAdapter(), post);
		return rebuildTab(getInactiveListAdapter(), doPostProcessing);
		}

		private int userHandleToPageIndex(UserHandle userHandle) {
		if (userHandle == getPersonalListAdapter().mResolverListController.getUserHandle()) {
		return PROFILE_PERSONAL;
		} else {
		return PROFILE_WORK;
		}
		}

		private boolean rebuildTab(ResolverListAdapter activeListAdapter, boolean doPostProcessing) {
		UserHandle listUserHandle = activeListAdapter.getUserHandle();
		if (UserHandle.myUserId() != listUserHandle.getIdentifier() &&
		!hasAppsInOtherProfile(activeListAdapter)) {
		// TODO(arangelov): Show empty state UX here
		UserManager userManager = mContext.getSystemService(UserManager.class);
		if (listUserHandle == mWorkProfileUserHandle
		&& userManager.isQuietModeEnabled(mWorkProfileUserHandle)) {
		showEmptyState(activeListAdapter,
		R.drawable.ic_work_apps_off,
		R.string.resolver_turn_on_work_apps,
		R.string.resolver_turn_on_work_apps_explanation,
		(View.OnClickListener) v ->
		userManager.requestQuietModeEnabled(false, mWorkProfileUserHandle));
		return false;
		}
		if (UserHandle.myUserId() != listUserHandle.getIdentifier()) {
		if (!hasCrossProfileIntents(activeListAdapter.getIntents(),
		UserHandle.myUserId(), listUserHandle.getIdentifier())) {
		if (listUserHandle == mPersonalProfileUserHandle) {
		showEmptyState(activeListAdapter,
		R.drawable.ic_sharing_disabled,
		R.string.resolver_cant_share_with_personal_apps,
		R.string.resolver_cant_share_cross_profile_explanation);
		} else {
		showEmptyState(activeListAdapter,
		R.drawable.ic_sharing_disabled,
		R.string.resolver_cant_share_with_work_apps,
		R.string.resolver_cant_share_cross_profile_explanation);
		}
		return false;
		}
		}
		return activeListAdapter.rebuildList(doPostProcessing);
		}

		void showEmptyState(ResolverListAdapter listAdapter) {
		UserHandle listUserHandle = listAdapter.getUserHandle();
		if (UserHandle.myUserId() == listUserHandle.getIdentifier()
		\|\| !hasAppsInOtherProfile(listAdapter)) {
		showEmptyState(listAdapter,
		R.drawable.ic_no_apps,
		R.string.resolver_no_apps_available,
		R.string.resolver_no_apps_available_explanation);
		}
		}

		private void showEmptyState(ResolverListAdapter activeListAdapter,
		@DrawableRes int iconRes, @StringRes int titleRes, @StringRes int subtitleRes) {
		showEmptyState(activeListAdapter, iconRes, titleRes, subtitleRes, /* buttonOnClick */ null);
		}

		private void showEmptyState(ResolverListAdapter activeListAdapter,
		@DrawableRes int iconRes, @StringRes int titleRes, @StringRes int subtitleRes,
		View.OnClickListener buttonOnClick) {
		ProfileDescriptor descriptor = getItem(
		userHandleToPageIndex(activeListAdapter.getUserHandle()));
		descriptor.rootView.findViewById(R.id.resolver_list).setVisibility(View.GONE);
		View emptyStateView = descriptor.rootView.findViewById(R.id.resolver_empty_state);
		emptyStateView.setVisibility(View.VISIBLE);

		ImageView icon = emptyStateView.findViewById(R.id.resolver_empty_state_icon);
		icon.setImageResource(iconRes);

		TextView title = emptyStateView.findViewById(R.id.resolver_empty_state_title);
		title.setText(titleRes);

		TextView subtitle = emptyStateView.findViewById(R.id.resolver_empty_state_subtitle);
		subtitle.setText(subtitleRes);

		Button button = emptyStateView.findViewById(R.id.resolver_empty_state_button);
		button.setVisibility(buttonOnClick != null ? View.VISIBLE : View.GONE);
		button.setOnClickListener(buttonOnClick);
		}

		private boolean hasCrossProfileIntents(List<Intent> intents, int source, int target) {
		IPackageManager packageManager = AppGlobals.getPackageManager();
		ContentResolver contentResolver = mContext.getContentResolver();
		for (Intent intent : intents) {
		if (IntentForwarderActivity.canForward(intent, source, target, packageManager,
		contentResolver) != null) {
		return true;
		}
		}
		return false;
		}

		private boolean hasAppsInOtherProfile(ResolverListAdapter adapter) {

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

+91 −25

Original line number	Diff line number	Diff line
		@@ -373,7 +373,11 @@ public class ChooserActivity extends ResolverActivity implements
		Log.i(TAG, "Hiding image preview area. Timed out waiting for preview to load"
		+ " within " + mImageLoadTimeoutMillis + "ms.");
		collapseParentView();
		hideContentPreview();
		if (hasWorkProfile() && ENABLE_TABBED_VIEW) {
		hideStickyContentPreview();
		} else if (mChooserMultiProfilePagerAdapter.getCurrentRootAdapter() != null) {
		mChooserMultiProfilePagerAdapter.getCurrentRootAdapter().hideContentPreview();
		}
		mHideParentOnFail = false;
		}
		}
		@@ -829,7 +833,12 @@ public class ChooserActivity extends ResolverActivity implements

		@Override
		protected boolean postRebuildList(boolean rebuildCompleted) {
		updateContentPreview();
		updateStickyContentPreview();
		if (shouldShowStickyContentPreview()
		\|\| mChooserMultiProfilePagerAdapter
		.getCurrentRootAdapter().getContentPreviewRowCount() != 0) {
		logActionShareWithPreview();
		}
		return postRebuildListInternal(rebuildCompleted);
		}

		@@ -978,6 +987,8 @@ public class ChooserActivity extends ResolverActivity implements
		updateLayoutWidth(R.id.content_preview_text_layout, width, parent);
		updateLayoutWidth(R.id.content_preview_title_layout, width, parent);
		updateLayoutWidth(R.id.content_preview_file_layout, width, parent);
		findViewById(R.id.content_preview_container)
		.setVisibility(shouldShowStickyContentPreview() ? View.VISIBLE : View.GONE);
		}

		private void updateLayoutWidth(int layoutResourceId, int width, View parent) {
		@@ -2413,14 +2424,14 @@ public class ChooserActivity extends ResolverActivity implements

		// still zero? then use a default height and leave, which
		// can happen when there are no targets to show
		if (rowsToShow == 0 && !shouldShowContentPreview()) {
		if (rowsToShow == 0 && !shouldShowStickyContentPreview()) {
		offset += getResources().getDimensionPixelSize(
		R.dimen.chooser_max_collapsed_height);
		mResolverDrawerLayout.setCollapsibleHeightReserved(offset);
		return;
		}

		if (shouldShowContentPreview()) {
		if (shouldShowStickyContentPreview()) {
		offset += findViewById(R.id.content_preview_container).getHeight();
		}

		@@ -2552,7 +2563,7 @@ public class ChooserActivity extends ResolverActivity implements
		}

		private void setupScrollListener() {
		if (mResolverDrawerLayout == null) {
		if (mResolverDrawerLayout == null \|\| (hasWorkProfile() && ENABLE_TABBED_VIEW)) {
		return;
		}
		final View chooserHeader = mResolverDrawerLayout.findViewById(R.id.chooser_header);
		@@ -2597,28 +2608,36 @@ public class ChooserActivity extends ResolverActivity implements
		return false;
		}

		private boolean shouldShowContentPreview() {
		return mMultiProfilePagerAdapter.getActiveListAdapter().getCount() > 0
		&& isSendAction(getTargetIntent());
		}

		private void updateContentPreview() {
		if (shouldShowContentPreview()) {
		showContentPreview();
		/**
		* The sticky content preview is shown only when we have a tabbed view. It's shown above
		* the tabs so it is not part of the scrollable list. If we are not in tabbed view,
		* we instead show the content preview as a regular list item.
		*/
		private boolean shouldShowStickyContentPreview() {
		return hasWorkProfile()
		&& ENABLE_TABBED_VIEW
		&& mMultiProfilePagerAdapter.getListAdapterForUserHandle(
		UserHandle.of(UserHandle.myUserId())).getCount() > 0
		&& isSendAction(getTargetIntent())
		&& getResources().getBoolean(R.bool.sharesheet_show_content_preview);
		}

		private void updateStickyContentPreview() {
		if (shouldShowStickyContentPreview()) {
		showStickyContentPreview();
		} else {
		hideContentPreview();
		hideStickyContentPreview();
		}
		}

		private void showContentPreview() {
		private void showStickyContentPreview() {
		ViewGroup contentPreviewContainer = findViewById(R.id.content_preview_container);
		contentPreviewContainer.setVisibility(View.VISIBLE);
		ViewGroup contentPreviewView = createContentPreviewView(contentPreviewContainer);
		contentPreviewContainer.addView(contentPreviewView);
		logActionShareWithPreview();
		}

		private void hideContentPreview() {
		private void hideStickyContentPreview() {
		ViewGroup contentPreviewContainer = findViewById(R.id.content_preview_container);
		contentPreviewContainer.removeAllViews();
		contentPreviewContainer.setVisibility(View.GONE);
		@@ -2634,6 +2653,7 @@ public class ChooserActivity extends ResolverActivity implements
		/**
		* Used to bind types of individual item including
		* {@link ChooserGridAdapter#VIEW_TYPE_NORMAL},
		* {@link ChooserGridAdapter#VIEW_TYPE_CONTENT_PREVIEW},
		* {@link ChooserGridAdapter#VIEW_TYPE_PROFILE},
		* and {@link ChooserGridAdapter#VIEW_TYPE_AZ_LABEL}.
		*/
		@@ -2695,16 +2715,18 @@ public class ChooserActivity extends ResolverActivity implements
		private int mChooserTargetWidth = 0;
		private boolean mShowAzLabelIfPoss;

		private boolean mHideContentPreview = false;
		private boolean mLayoutRequested = false;

		private int mFooterHeight = 0;

		private static final int VIEW_TYPE_DIRECT_SHARE = 0;
		private static final int VIEW_TYPE_NORMAL = 1;
		private static final int VIEW_TYPE_PROFILE = 2;
		private static final int VIEW_TYPE_AZ_LABEL = 3;
		private static final int VIEW_TYPE_CALLER_AND_RANK = 4;
		private static final int VIEW_TYPE_FOOTER = 5;
		private static final int VIEW_TYPE_CONTENT_PREVIEW = 2;
		private static final int VIEW_TYPE_PROFILE = 3;
		private static final int VIEW_TYPE_AZ_LABEL = 4;
		private static final int VIEW_TYPE_CALLER_AND_RANK = 5;
		private static final int VIEW_TYPE_FOOTER = 6;

		private static final int MAX_TARGETS_PER_ROW_PORTRAIT = 4;
		private static final int MAX_TARGETS_PER_ROW_LANDSCAPE = 8;
		@@ -2765,6 +2787,17 @@ public class ChooserActivity extends ResolverActivity implements
		return maxTargets;
		}

		/**
		* Hides the list item content preview.
		* <p>Not to be confused with the sticky content preview which is above the
		* personal and work tabs.
		*/
		public void hideContentPreview() {
		mHideContentPreview = true;
		mLayoutRequested = true;
		notifyDataSetChanged();
		}

		public boolean consumeLayoutRequest() {
		boolean oldValue = mLayoutRequested;
		mLayoutRequested = false;
		@@ -2773,7 +2806,8 @@ public class ChooserActivity extends ResolverActivity implements

		public int getRowCount() {
		return (int) (
		getProfileRowCount()
		getContentPreviewRowCount()
		+ getProfileRowCount()
		+ getServiceTargetRowCount()
		+ getCallerAndRankedTargetRowCount()
		+ getAzLabelRowCount()
		@@ -2783,7 +2817,33 @@ public class ChooserActivity extends ResolverActivity implements
		);
		}

		/**
		* Returns either {@code 0} or {@code 1} depending on whether we want to show the list item
		* content preview. Not to be confused with the sticky content preview which is above the
		* personal and work tabs.
		*/
		public int getContentPreviewRowCount() {
		// For the tabbed case we show the sticky content preview above the tabs,
		// please refer to shouldShowStickyContentPreview
		if (hasWorkProfile() && ENABLE_TABBED_VIEW) {
		return 0;
		}
		if (!isSendAction(getTargetIntent())) {
		return 0;
		}

		if (mHideContentPreview \|\| mChooserListAdapter == null
		\|\| mChooserListAdapter.getCount() == 0) {
		return 0;
		}

		return 1;
		}

		public int getProfileRowCount() {
		if (hasWorkProfile() && ENABLE_TABBED_VIEW) {
		return 0;
		}
		return mChooserListAdapter.getOtherProfile() == null ? 0 : 1;
		}

		@@ -2815,7 +2875,8 @@ public class ChooserActivity extends ResolverActivity implements
		@Override
		public int getItemCount() {
		return (int) (
		getProfileRowCount()
		getContentPreviewRowCount()
		+ getProfileRowCount()
		+ getServiceTargetRowCount()
		+ getCallerAndRankedTargetRowCount()
		+ getAzLabelRowCount()
		@@ -2827,6 +2888,8 @@ public class ChooserActivity extends ResolverActivity implements
		@Override
		public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
		switch (viewType) {
		case VIEW_TYPE_CONTENT_PREVIEW:
		return new ItemViewHolder(createContentPreviewView(parent), false);
		case VIEW_TYPE_PROFILE:
		return new ItemViewHolder(createProfileView(parent), false);
		case VIEW_TYPE_AZ_LABEL:
		@@ -2866,7 +2929,10 @@ public class ChooserActivity extends ResolverActivity implements
		public int getItemViewType(int position) {
		int count;

		int countSum = (count = getProfileRowCount());
		int countSum = (count = getContentPreviewRowCount());
		if (count > 0 && position < countSum) return VIEW_TYPE_CONTENT_PREVIEW;

		countSum += (count = getProfileRowCount());
		if (count > 0 && position < countSum) return VIEW_TYPE_PROFILE;

		countSum += (count = getServiceTargetRowCount());
		@@ -3082,7 +3148,7 @@ public class ChooserActivity extends ResolverActivity implements
		}

		int getListPosition(int position) {
		position -= getProfileRowCount();
		position -= getContentPreviewRowCount() + getProfileRowCount();

		final int serviceCount = mChooserListAdapter.getServiceTargetCount();
		final int serviceRows = (int) Math.ceil((float) serviceCount

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

+9 −6

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.app.ActivityThread;
		import android.app.AppGlobals;
		import android.app.admin.DevicePolicyManager;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.ContentResolver;
		import android.content.Intent;
		import android.content.pm.ActivityInfo;
		import android.content.pm.IPackageManager;
		@@ -108,7 +109,8 @@ public class IntentForwarderActivity extends Activity {
		}

		final int callingUserId = getUserId();
		final Intent newIntent = canForward(intentReceived, targetUserId);
		final Intent newIntent = canForward(intentReceived, getUserId(), targetUserId,
		mInjector.getIPackageManager(), getContentResolver());
		if (newIntent != null) {
		if (Intent.ACTION_CHOOSER.equals(newIntent.getAction())) {
		Intent innerIntent = newIntent.getParcelableExtra(Intent.EXTRA_INTENT);
		@@ -191,7 +193,8 @@ public class IntentForwarderActivity extends Activity {
		* Check whether the intent can be forwarded to target user. Return the intent used for
		* forwarding if it can be forwarded, {@code null} otherwise.
		*/
		Intent canForward(Intent incomingIntent, int targetUserId) {
		static Intent canForward(Intent incomingIntent, int sourceUserId, int targetUserId,
		IPackageManager packageManager, ContentResolver contentResolver) {
		Intent forwardIntent = new Intent(incomingIntent);
		forwardIntent.addFlags(
		Intent.FLAG_ACTIVITY_FORWARD_RESULT \| Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP);
		@@ -220,11 +223,11 @@ public class IntentForwarderActivity extends Activity {
		if (forwardIntent.getSelector() != null) {
		intentToCheck = forwardIntent.getSelector();
		}
		String resolvedType = intentToCheck.resolveTypeIfNeeded(getContentResolver());
		String resolvedType = intentToCheck.resolveTypeIfNeeded(contentResolver);
		sanitizeIntent(intentToCheck);
		try {
		if (mInjector.getIPackageManager().
		canForwardTo(intentToCheck, resolvedType, getUserId(), targetUserId)) {
		if (packageManager.canForwardTo(
		intentToCheck, resolvedType, sourceUserId, targetUserId)) {
		return forwardIntent;
		}
		} catch (RemoteException e) {
		@@ -267,7 +270,7 @@ public class IntentForwarderActivity extends Activity {
		/**
		* Sanitize the intent in place.
		*/
		private void sanitizeIntent(Intent intent) {
		private static void sanitizeIntent(Intent intent) {
		// Apps should not be allowed to target a specific package/ component in the target user.
		intent.setPackage(null);
		intent.setComponent(null);

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

+17 −14

Original line number	Diff line number	Diff line
		@@ -387,6 +387,11 @@ public class ResolverActivity extends Activity implements
		\| View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
		rdl.setOnApplyWindowInsetsListener(this::onApplyWindowInsets);

		rdl.setMaxCollapsedHeight(hasWorkProfile() && ENABLE_TABBED_VIEW
		? getResources().getDimensionPixelSize(
		R.dimen.resolver_empty_state_height_with_tabs)
		: getResources().getDimensionPixelSize(R.dimen.resolver_empty_state_height));

		mResolverDrawerLayout = rdl;
		}

		@@ -548,13 +553,6 @@ public class ResolverActivity extends Activity implements
		applyFooterView(mSystemWindowInsets.bottom);
		}

		View emptyView = findViewById(R.id.empty);
		if (emptyView != null) {
		emptyView.setPadding(0, 0, 0, mSystemWindowInsets.bottom
		+ getResources().getDimensionPixelSize(
		R.dimen.chooser_edge_margin_normal) * 2);
		}

		return insets.consumeSystemWindowInsets();
		}

		@@ -941,10 +939,13 @@ public class ResolverActivity extends Activity implements
		}

		@Override // ResolverListCommunicator
		public void onPostListReady(ResolverListAdapter listAdapter, boolean doPostProcessing) {
		public final void onPostListReady(ResolverListAdapter listAdapter, boolean doPostProcessing) {
		if (isAutolaunching() \|\| maybeAutolaunchActivity()) {
		return;
		}
		if (shouldShowEmptyState(listAdapter)) {
		mMultiProfilePagerAdapter.showEmptyState(listAdapter);
		}
		if (doPostProcessing) {
		if (mMultiProfilePagerAdapter.getCurrentUserHandle().getIdentifier()
		== UserHandle.myUserId()) {
		@@ -1497,13 +1498,15 @@ public class ResolverActivity extends Activity implements
		}

		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());
		ResolverListAdapter activeListAdapter = mMultiProfilePagerAdapter.getActiveListAdapter();
		if (!shouldShowEmptyState(activeListAdapter)) {
		addUseDifferentAppLabelIfNecessary(activeListAdapter);
		}
		}

		private boolean shouldShowEmptyState(ResolverListAdapter listAdapter) {
		int count = listAdapter.getUnfilteredCount();
		return count == 0 && listAdapter.getPlaceholderCount() == 0;
		}

		/**

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

+4 −0

Original line number	Diff line number	Diff line
		@@ -607,6 +607,10 @@ public class ResolverListAdapter extends BaseAdapter {
		mIntents, userHandle);
		}

		protected List<Intent> getIntents() {
		return mIntents;
		}

		/**
		* Necessary methods to communicate between {@link ResolverListAdapter}
		* and {@link ResolverActivity}.