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[DO NOT MERGE] Fix the blank space on contextual card loading timeout

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Root cause:
Sometimes loading contextual cards exceeds 1 second and a timeout
expires. In the past, we used the timeout in order not to update
homepage UI and to avoid screen scrolling. But we've introduced a
mechanism of card space pre-allocation to avoid flickering, so when the
timeout expires, the pre-allocated space will be always blank.

Solution:
Display a card on timeout if the one-card space is pre-allocated.

Fixes: 165886791
Test: robotest
Change-Id: I79b29c5fd6d9c4fe6b53dd4f5eab4cd3a606d76d
This commit is contained in:
Jason Chiu
2020-09-08 12:17:03 +08:00
parent de28bc7c7e
commit 4753adfb52
2 changed files with 38 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/com/android/settings/homepage/contextualcards/ContextualCardManager.java
View File

@@ -266,6 +266,15 @@ public class ContextualCardManager implements ContextualCardLoader.CardContentLo
SettingsEnums.ACTION_CONTEXTUAL_CARD_LOAD_TIMEOUT, SettingsEnums.ACTION_CONTEXTUAL_CARD_LOAD_TIMEOUT,
SettingsEnums.SETTINGS_HOMEPAGE, SettingsEnums.SETTINGS_HOMEPAGE,
null /* key */, (int) loadTime /* value */); null /* key */, (int) loadTime /* value */);
// display a card on timeout if the one-card space is pre-allocated
if (!cards.isEmpty() && ContextualCardLoader.getCardCount(mContext) == 1) {
onContextualCardUpdated(cards.stream()
.collect(groupingBy(ContextualCard::getCardType)));
metricsFeatureProvider.action(mContext,
SettingsEnums.ACTION_CONTEXTUAL_CARD_SHOW,
ContextualCardLogUtils.buildCardListLog(cards));
}
} }
// only log homepage display upon a fresh launch // only log homepage display upon a fresh launch
final long totalTime = System.currentTimeMillis() - mStartTime; final long totalTime = System.currentTimeMillis() - mStartTime;

29
tests/robotests/src/com/android/settings/homepage/contextualcards/ContextualCardManagerTest.java
View File

@@ -16,6 +16,7 @@
package com.android.settings.homepage.contextualcards; package com.android.settings.homepage.contextualcards;
import static com.android.settings.homepage.contextualcards.ContextualCardLoader.CONTEXTUAL_CARD_COUNT;
import static com.android.settings.homepage.contextualcards.ContextualCardManager.KEY_CONTEXTUAL_CARDS; import static com.android.settings.homepage.contextualcards.ContextualCardManager.KEY_CONTEXTUAL_CARDS;
import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_FULL_WIDTH; import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_FULL_WIDTH;
import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_HALF_WIDTH; import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_HALF_WIDTH;
@@ -307,7 +308,7 @@ public class ContextualCardManagerTest {
} }
@Test @Test
public void onFinishCardLoading_fastLoad_shouldCallOnContextualCardUpdated() { public void onFinishCardLoading_fastLoad_shouldUpdateContextualCard() {
mManager.mStartTime = System.currentTimeMillis(); mManager.mStartTime = System.currentTimeMillis();
final ContextualCardManager manager = spy(mManager); final ContextualCardManager manager = spy(mManager);
doNothing().when(manager).onContextualCardUpdated(anyMap()); doNothing().when(manager).onContextualCardUpdated(anyMap());
@@ -318,7 +319,7 @@ public class ContextualCardManagerTest {
} }
@Test @Test
public void onFinishCardLoading_slowLoad_shouldSkipOnContextualCardUpdated() { public void onFinishCardLoading_slowLoadAndNoCard_shouldNotUpdateContextualCard() {
mManager.mStartTime = 0; mManager.mStartTime = 0;
final ContextualCardManager manager = spy(mManager); final ContextualCardManager manager = spy(mManager);
doNothing().when(manager).onContextualCardUpdated(anyMap()); doNothing().when(manager).onContextualCardUpdated(anyMap());
@@ -328,6 +329,30 @@ public class ContextualCardManagerTest {
verify(manager, never()).onContextualCardUpdated(anyMap()); verify(manager, never()).onContextualCardUpdated(anyMap());
} }
@Test
public void onFinishCardLoading_slowLoadAndNotPreAllocateSpace_shouldNotUpdateContextualCard() {
mManager.mStartTime = 0;
Settings.Global.putInt(mContext.getContentResolver(), CONTEXTUAL_CARD_COUNT, 3);
final ContextualCardManager manager = spy(mManager);
doNothing().when(manager).onContextualCardUpdated(anyMap());
manager.onFinishCardLoading(Arrays.asList(buildContextualCard(TEST_SLICE_URI)));
verify(manager, never()).onContextualCardUpdated(anyMap());
}
@Test
public void onFinishCardLoading_slowLoadAndPreAllocateSpace_shouldUpdateContextualCard() {
mManager.mStartTime = 0;
Settings.Global.putInt(mContext.getContentResolver(), CONTEXTUAL_CARD_COUNT, 1);
final ContextualCardManager manager = spy(mManager);
doNothing().when(manager).onContextualCardUpdated(anyMap());
manager.onFinishCardLoading(Arrays.asList(buildContextualCard(TEST_SLICE_URI)));
verify(manager).onContextualCardUpdated(anyMap());
}
@Test @Test
public void onFinishCardLoading_newLaunch_twoLoadedCards_shouldShowTwoCards() { public void onFinishCardLoading_newLaunch_twoLoadedCards_shouldShowTwoCards() {
mManager.mStartTime = System.currentTimeMillis(); mManager.mStartTime = System.currentTimeMillis();