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Add shadow to searchbar when user scrolls vertically

Browse Source 
Bug: 63528057
Test: robotests

Change-Id: Ib85676d78b43be38aab1eacd0820d0755a601f60
This commit is contained in:
Fan Zhang
2017-07-19 16:44:28 -07:00
parent 821967eca5
commit e651ddf9e6
8 changed files with 78 additions and 19 deletions
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1
res/layout/search_panel.xml
View File

@@ -22,6 +22,7 @@
android:orientation="vertical">
<FrameLayout
android:id="@+id/search_bar_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/suggestion_condition_background">

1
res/layout/settings_main_dashboard.xml
View File

@@ -23,6 +23,7 @@
android:layout_height="match_parent"
android:orientation="vertical">
<FrameLayout
android:id="@+id/search_bar_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/suggestion_condition_background">

5
src/com/android/settings/dashboard/DashboardSummary.java
View File

@@ -40,6 +40,7 @@ import com.android.settings.dashboard.suggestions.SuggestionDismissController;
import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
import com.android.settings.dashboard.suggestions.SuggestionsChecks;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.widget.ActionBarShadowController;
import com.android.settingslib.drawer.CategoryKey;
import com.android.settingslib.drawer.DashboardCategory;
import com.android.settingslib.drawer.SettingsDrawerActivity;
@@ -193,12 +194,14 @@ public class DashboardSummary extends InstrumentedFragment
mDashboard.setLayoutManager(mLayoutManager);
mDashboard.setHasFixedSize(true);
mDashboard.setListener(this);
Log.d(TAG, "adapter created");
mAdapter = new DashboardAdapter(getContext(), bundle, mConditionManager.getConditions(),
mSuggestionParser, this /* SuggestionDismissController.Callback */);
mDashboard.setAdapter(mAdapter);
mDashboard.setItemAnimator(new DashboardItemAnimator());
mSummaryLoader.setSummaryConsumer(mAdapter);
ActionBarShadowController.attachToRecyclerView(
getActivity().findViewById(R.id.search_bar_container), getLifecycle(), mDashboard);
if (DEBUG_TIMING) {
Log.d(TAG, "onViewCreated took "
+ (System.currentTimeMillis() - startTime) + " ms");

2
src/com/android/settings/dashboard/conditional/CellularDataCondition.java
View File

@@ -44,7 +44,7 @@ public class CellularDataCondition extends Condition {
setActive(false);
return;
}
setActive(!telephony.getDataEnabled());
setActive(!telephony.isDataEnabled());
}
@Override

3
src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
View File

@@ -28,7 +28,6 @@ import android.support.annotation.VisibleForTesting;
import android.text.format.DateUtils;
import android.util.Log;
import com.android.internal.hardware.AmbientDisplayConfiguration;
import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.Settings.AmbientDisplayPickupSuggestionActivity;
import com.android.settings.Settings.AmbientDisplaySuggestionActivity;
@@ -64,7 +63,6 @@ public class SuggestionFeatureProviderImpl implements SuggestionFeatureProvider
private final SuggestionRanker mSuggestionRanker;
private final MetricsFeatureProvider mMetricsFeatureProvider;
private final AmbientDisplayConfiguration mAmbientDisplayConfig;
@Override
public boolean isSuggestionEnabled(Context context) {
@@ -116,7 +114,6 @@ public class SuggestionFeatureProviderImpl implements SuggestionFeatureProvider
new SuggestionFeaturizer(new EventStore(appContext)));
mMetricsFeatureProvider = FeatureFactory.getFactory(appContext)
.getMetricsFeatureProvider();
mAmbientDisplayConfig = new AmbientDisplayConfiguration(appContext);
}
@Override

3
src/com/android/settings/search/SearchFragment.java
View File

@@ -49,6 +49,7 @@ import com.android.settings.Utils;
import com.android.settings.core.InstrumentedFragment;
import com.android.settings.core.instrumentation.MetricsFeatureProvider;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.widget.ActionBarShadowController;
import java.util.ArrayList;
import java.util.Arrays;
@@ -215,6 +216,8 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
params.setMarginStart(0);
editFrame.setLayoutParams(params);
}
ActionBarShadowController.attachToRecyclerView(
view.findViewById(R.id.search_bar_container), getLifecycle(), mResultsRecyclerView);
return view;
}

48
src/com/android/settings/widget/ActionBarShadowController.java
View File

@@ -18,6 +18,7 @@ package com.android.settings.widget;
import android.app.ActionBar;
import android.app.Activity;
import android.support.annotation.VisibleForTesting;
import android.support.v7.widget.RecyclerView;
import android.view.View;
@@ -26,9 +27,20 @@ import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
/**
* A controller that adds shadow to actionbar when content view scrolls.
* <p/>
* It also works on custom views acting as an actionbar.
*/
public class ActionBarShadowController implements LifecycleObserver, OnStart, OnStop {
private ScrollChangeWatcher mScrollChangeWatcher;
@VisibleForTesting
static final float ELEVATION_HIGH = 8;
@VisibleForTesting
static final float ELEVATION_LOW = 0;
@VisibleForTesting
ScrollChangeWatcher mScrollChangeWatcher;
private RecyclerView mRecyclerView;
private boolean isScrollWatcherAttached;
@@ -37,6 +49,11 @@ public class ActionBarShadowController implements LifecycleObserver, OnStart, On
return new ActionBarShadowController(activity, lifecycle, recyclerView);
}
public static ActionBarShadowController attachToRecyclerView(View anchorView,
Lifecycle lifecycle, RecyclerView recyclerView) {
return new ActionBarShadowController(anchorView, lifecycle, recyclerView);
}
private ActionBarShadowController(Activity activity, Lifecycle lifecycle,
RecyclerView recyclerView) {
mScrollChangeWatcher = new ScrollChangeWatcher(activity);
@@ -45,6 +62,14 @@ public class ActionBarShadowController implements LifecycleObserver, OnStart, On
lifecycle.addObserver(this);
}
private ActionBarShadowController(View anchorView, Lifecycle lifecycle,
RecyclerView recyclerView) {
mScrollChangeWatcher = new ScrollChangeWatcher(anchorView);
mRecyclerView = recyclerView;
attachScrollWatcher();
lifecycle.addObserver(this);
}
@Override
public void onStop() {
detachScrollWatcher();
@@ -71,12 +96,19 @@ public class ActionBarShadowController implements LifecycleObserver, OnStart, On
/**
* Update the drop shadow as the scrollable entity is scrolled.
*/
private final class ScrollChangeWatcher extends RecyclerView.OnScrollListener {
final class ScrollChangeWatcher extends RecyclerView.OnScrollListener {
private Activity mActivity;
private final Activity mActivity;
private final View mAnchorView;
public ScrollChangeWatcher(Activity activity) {
mActivity = activity;
mAnchorView = null;
}
public ScrollChangeWatcher(View anchorView) {
mAnchorView = anchorView;
mActivity = null;
}
// RecyclerView scrolled.
@@ -87,9 +119,13 @@ public class ActionBarShadowController implements LifecycleObserver, OnStart, On
public void updateDropShadow(View view) {
final boolean shouldShowShadow = view.canScrollVertically(-1);
final ActionBar actionBar = mActivity.getActionBar();
if (actionBar != null) {
actionBar.setElevation(shouldShowShadow ? 8 : 0);
if (mAnchorView != null) {
mAnchorView.setElevation(shouldShowShadow ? ELEVATION_HIGH : ELEVATION_LOW);
} else {
final ActionBar actionBar = mActivity.getActionBar();
if (actionBar != null) {
actionBar.setElevation(shouldShowShadow ? ELEVATION_HIGH : ELEVATION_LOW);
}
}
}
}

34
tests/robotests/src/com/android/settings/widget/ActionBarShadowControllerTest.java
View File

@@ -17,12 +17,19 @@
package com.android.settings.widget;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.app.ActionBar;
import android.app.Activity;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settings.TestConfig;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
@@ -31,17 +38,12 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import org.robolectric.util.ReflectionHelpers;
import java.util.List;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class ActionBarShadowControllerTest {
@@ -53,11 +55,13 @@ public class ActionBarShadowControllerTest {
@Mock
private ActionBar mActionBar;
private Lifecycle mLifecycle;
private View mView;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
when(mActivity.getActionBar()).thenReturn(mActionBar);
mView = new View(RuntimeEnvironment.application);
mLifecycle = new Lifecycle();
}
@@ -67,9 +71,23 @@ public class ActionBarShadowControllerTest {
ActionBarShadowController.attachToRecyclerView(mActivity, mLifecycle, mRecyclerView);
verify(mActionBar).setElevation(0);
verify(mActionBar).setElevation(ActionBarShadowController.ELEVATION_LOW);
}
@Test
public void attachToRecyclerView_customViewAsActionBar_shouldUpdateElevationOnScroll() {
// Setup
mView.setElevation(50);
when(mRecyclerView.canScrollVertically(-1)).thenReturn(false);
final ActionBarShadowController controller =
ActionBarShadowController.attachToRecyclerView(mView, mLifecycle, mRecyclerView);
assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_LOW);
// Scroll
when(mRecyclerView.canScrollVertically(-1)).thenReturn(true);
controller.mScrollChangeWatcher.onScrolled(mRecyclerView, 10 /* dx */, 10 /* dy */);
assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_HIGH);
}
@Test
public void attachToRecyclerView_lifecycleChange_shouldAttachDetach() {