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Merge "Add slice for dynamic grouping in output switcher" into rvc-dev

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This commit is contained in:
tim peng
2020-03-04 02:35:35 +00:00
committed by Android (Google) Code Review
parent d6f421d593 7dfd41f6b1
commit 09ff25cdf9
3 changed files with 556 additions and 0 deletions
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32
src/com/android/settings/media/MediaDeviceUpdateWorker.java
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@@ -146,6 +146,34 @@ public class MediaDeviceUpdateWorker extends SliceBackgroundWorker
return mTopDevice;
}
boolean addDeviceToPlayMedia(MediaDevice device) {
return mLocalMediaManager.addDeviceToPlayMedia(device);
}
boolean removeDeviceFromPlayMedia(MediaDevice device) {
return mLocalMediaManager.removeDeviceFromPlayMedia(device);
}
List<MediaDevice> getSelectableMediaDevice() {
return mLocalMediaManager.getSelectableMediaDevice();
}
List<MediaDevice> getSelectedMediaDevice() {
return mLocalMediaManager.getSelectedMediaDevice();
}
void adjustSessionVolume(int volume) {
mLocalMediaManager.adjustSessionVolume(volume);
}
int getSessionVolumeMax() {
return mLocalMediaManager.getSessionVolumeMax();
}
int getSessionVolume() {
return mLocalMediaManager.getSessionVolume();
}
/**
* Find the active MediaDevice.
*
@@ -170,6 +198,10 @@ public class MediaDeviceUpdateWorker extends SliceBackgroundWorker
});
}
String getPackageName() {
return mPackageName;
}
private class DevicesChangedBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {

254
src/com/android/settings/media/MediaOutputGroupSlice.java Normal file
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@@ -0,0 +1,254 @@
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.media;
import static android.app.slice.Slice.EXTRA_RANGE_VALUE;
import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_GROUP_SLICE_URI;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.core.graphics.drawable.IconCompat;
import androidx.slice.Slice;
import androidx.slice.builders.ListBuilder;
import androidx.slice.builders.SliceAction;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.slices.CustomSliceable;
import com.android.settings.slices.SliceBackgroundWorker;
import com.android.settings.slices.SliceBroadcastReceiver;
import com.android.settingslib.media.MediaDevice;
import java.util.List;
/**
* Show the Media device that can be transfer the media.
*/
public class MediaOutputGroupSlice implements CustomSliceable {
@VisibleForTesting
static final String GROUP_DEVICES = "group_devices";
@VisibleForTesting
static final String MEDIA_DEVICE_ID = "media_device_id";
@VisibleForTesting
static final String CUSTOMIZED_ACTION = "customized_action";
@VisibleForTesting
static final int ACTION_VOLUME_ADJUSTMENT = 1;
@VisibleForTesting
static final int ACTION_MEDIA_SESSION_OPERATION = 2;
@VisibleForTesting
static final int ERROR = -1;
private static final String TAG = "MediaOutputGroupSlice";
private static final int COLOR_DISABLED = (int) (255 * 0.3);
private final Context mContext;
private MediaDeviceUpdateWorker mWorker;
public MediaOutputGroupSlice(Context context) {
mContext = context;
}
@Override
public Slice getSlice() {
// Reload theme for switching dark mode on/off
mContext.getTheme().applyStyle(R.style.Theme_Settings_Home, true /* force */);
final ListBuilder listBuilder = new ListBuilder(mContext, getUri(), ListBuilder.INFINITY)
.setAccentColor(COLOR_NOT_TINTED);
// Add "Group" row
final IconCompat titleIcon = IconCompat.createWithResource(mContext,
R.drawable.ic_speaker_group_black_24dp);
final Bitmap emptyBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
final int maxVolume = getWorker().getSessionVolumeMax();
final String title = mContext.getString(R.string.media_output_group);
final SliceAction primaryAction = SliceAction.createDeeplink(
getBroadcastIntent(GROUP_DEVICES,
GROUP_DEVICES.hashCode(),
ACTION_MEDIA_SESSION_OPERATION),
titleIcon, ListBuilder.ICON_IMAGE, GROUP_DEVICES);
final SliceAction endItemAction = SliceAction.createDeeplink(
getBroadcastIntent(GROUP_DEVICES,
GROUP_DEVICES.hashCode() + ACTION_MEDIA_SESSION_OPERATION,
ACTION_MEDIA_SESSION_OPERATION),
IconCompat.createWithBitmap(emptyBitmap), ListBuilder.ICON_IMAGE, "");
if (maxVolume > 0) { // Add InputRange row
listBuilder.addInputRange(new ListBuilder.InputRangeBuilder()
.setTitleItem(titleIcon, ListBuilder.ICON_IMAGE)
.addEndItem(endItemAction)
.setTitle(title)
.setPrimaryAction(primaryAction)
.setInputAction(getBroadcastIntent(GROUP_DEVICES,
GROUP_DEVICES.hashCode() + ACTION_VOLUME_ADJUSTMENT,
ACTION_VOLUME_ADJUSTMENT))
.setMax(maxVolume)
.setValue(getWorker().getSessionVolume()));
} else { // No max volume information. Add generic Row
listBuilder.addRow(new ListBuilder.RowBuilder()
.setTitleItem(titleIcon, ListBuilder.ICON_IMAGE)
.setTitle(title)
.setPrimaryAction(primaryAction));
}
// Add device row
addRow(listBuilder, getWorker().getSelectedMediaDevice(), true);
addRow(listBuilder, getWorker().getSelectableMediaDevice(), false);
return listBuilder.build();
}
private void addRow(ListBuilder listBuilder, List<MediaDevice> mediaDevices,
boolean selected) {
for (MediaDevice device : mediaDevices) {
final int maxVolume = device.getMaxVolume();
final IconCompat titleIcon = Utils.createIconWithDrawable(device.getIcon());
final String title = device.getName();
final SliceAction disabledIconSliceAction = SliceAction.createDeeplink(
getBroadcastIntent(null, 0, 0),
getDisabledCheckboxIcon(), ListBuilder.ICON_IMAGE, "");
final SliceAction enabledIconSliceAction = SliceAction.createToggle(
getBroadcastIntent(device.getId(),
device.hashCode() + ACTION_MEDIA_SESSION_OPERATION,
ACTION_MEDIA_SESSION_OPERATION),
IconCompat.createWithResource(mContext, R.drawable.ic_check_box_anim),
"",
selected);
if (maxVolume > 0) { // Add InputRange row
final ListBuilder.InputRangeBuilder builder = new ListBuilder.InputRangeBuilder()
.setTitleItem(titleIcon, ListBuilder.ICON_IMAGE)
.setTitle(title)
.setInputAction(getBroadcastIntent(device.getId(),
device.hashCode() + ACTION_VOLUME_ADJUSTMENT,
ACTION_VOLUME_ADJUSTMENT))
.setMax(device.getMaxVolume())
.setValue(device.getCurrentVolume());
// Add endItem with different icons
if (mediaDevices.size() == 1 && selected) {
builder.addEndItem(disabledIconSliceAction);
} else {
builder.addEndItem(enabledIconSliceAction);
}
listBuilder.addInputRange(builder);
} else { // No max volume information. Add generic Row
final ListBuilder.RowBuilder rowBuilder = new ListBuilder.RowBuilder()
.setTitleItem(titleIcon, ListBuilder.ICON_IMAGE)
.setTitle(title);
// Add endItem with different icons
if (mediaDevices.size() == 1 && selected) {
rowBuilder.addEndItem(disabledIconSliceAction);
} else {
rowBuilder.addEndItem(enabledIconSliceAction);
}
listBuilder.addRow(rowBuilder);
}
}
}
private IconCompat getDisabledCheckboxIcon() {
final Drawable drawable = mContext.getDrawable(R.drawable.ic_check_box_blue_24dp);
final Bitmap checkbox = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
final Canvas canvas = new Canvas(checkbox);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.setAlpha(COLOR_DISABLED);
drawable.draw(canvas);
return IconCompat.createWithBitmap(checkbox);
}
private PendingIntent getBroadcastIntent(String id, int requestCode, int action) {
final Intent intent = new Intent(getUri().toString());
intent.setClass(mContext, SliceBroadcastReceiver.class);
intent.putExtra(MEDIA_DEVICE_ID, id);
intent.putExtra(CUSTOMIZED_ACTION, action);
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
return PendingIntent.getBroadcast(mContext, requestCode, intent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
private MediaDeviceUpdateWorker getWorker() {
if (mWorker == null) {
mWorker = SliceBackgroundWorker.getInstance(getUri());
}
return mWorker;
}
@Override
public Uri getUri() {
return MEDIA_OUTPUT_GROUP_SLICE_URI;
}
@Override
public void onNotifyChange(Intent intent) {
final String id = intent.getStringExtra(MEDIA_DEVICE_ID);
if (TextUtils.isEmpty(id)) {
Log.e(TAG, "Unable to handle notification. The device is unavailable");
return;
}
final MediaDevice device = getWorker().getMediaDeviceById(id);
switch (intent.getIntExtra(CUSTOMIZED_ACTION, ERROR)) {
case ACTION_VOLUME_ADJUSTMENT:
final int newPosition = intent.getIntExtra(EXTRA_RANGE_VALUE, ERROR);
if (newPosition == ERROR) {
Log.e(TAG, "Unable to adjust volume. The volume value is unavailable");
return;
}
// Group volume adjustment
if (TextUtils.equals(id, GROUP_DEVICES)) {
getWorker().adjustSessionVolume(newPosition);
} else {
if (device == null) {
Log.e(TAG, "Unable to adjust volume. The device(" + id
+ ") is unavailable");
return;
}
// Single device volume adjustment
getWorker().adjustVolume(device, newPosition);
}
break;
case ACTION_MEDIA_SESSION_OPERATION:
if (device == null) {
Log.e(TAG, "Unable to adjust session volume. The device(" + id
+ ") is unavailable");
return;
}
if (TextUtils.equals(device.getClientPackageName(), getWorker().getPackageName())) {
getWorker().removeDeviceFromPlayMedia(device);
} else {
getWorker().addDeviceToPlayMedia(device);
}
break;
}
}
@Override
public Intent getIntent() {
return null;
}
@Override
public Class getBackgroundWorkerClass() {
return MediaDeviceUpdateWorker.class;
}
}

270
tests/robotests/src/com/android/settings/media/MediaOutputGroupSliceTest.java Normal file
View File

@@ -0,0 +1,270 @@
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.media;
import static android.app.slice.Slice.EXTRA_RANGE_VALUE;
import static android.app.slice.Slice.HINT_LIST_ITEM;
import static android.app.slice.SliceItem.FORMAT_SLICE;
import static com.android.settings.media.MediaOutputGroupSlice.ACTION_MEDIA_SESSION_OPERATION;
import static com.android.settings.media.MediaOutputGroupSlice.ACTION_VOLUME_ADJUSTMENT;
import static com.android.settings.media.MediaOutputGroupSlice.CUSTOMIZED_ACTION;
import static com.android.settings.media.MediaOutputGroupSlice.GROUP_DEVICES;
import static com.android.settings.media.MediaOutputGroupSlice.MEDIA_DEVICE_ID;
import static com.android.settings.slices.CustomSliceRegistry.MEDIA_OUTPUT_GROUP_SLICE_URI;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import androidx.slice.Slice;
import androidx.slice.SliceMetadata;
import androidx.slice.SliceProvider;
import androidx.slice.core.SliceAction;
import androidx.slice.core.SliceQuery;
import androidx.slice.widget.SliceLiveData;
import com.android.settings.R;
import com.android.settings.slices.SliceBackgroundWorker;
import com.android.settingslib.media.LocalMediaManager;
import com.android.settingslib.media.MediaDevice;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import java.util.ArrayList;
import java.util.List;
@RunWith(RobolectricTestRunner.class)
@Config(shadows = MediaOutputGroupSliceTest.ShadowSliceBackgroundWorker.class)
public class MediaOutputGroupSliceTest {
private static final String TEST_PACKAGE_NAME = "com.test.music";
private static final String TEST_PACKAGE_NAME2 = "com.test.music2";
private static final String TEST_DEVICE_1_ID = "test_device_1_id";
private static final String TEST_DEVICE_1_NAME = "test_device_1_name";
private static final String TEST_DEVICE_2_ID = "test_device_2_id";
private static final String TEST_DEVICE_2_NAME = "test_device_2_name";
private static final int TEST_VOLUME = 3;
private static MediaDeviceUpdateWorker sMediaDeviceUpdateWorker;
@Mock
private LocalMediaManager mLocalMediaManager;
@Mock
private MediaDevice mDevice1;
@Mock
private MediaDevice mDevice2;
private final List<MediaDevice> mSelectableDevices = new ArrayList<>();
private final List<MediaDevice> mSelectedDevices = new ArrayList<>();
private Context mContext;
private MediaOutputGroupSlice mMediaOutputGroupSlice;
private Drawable mDrawable;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mContext = spy(RuntimeEnvironment.application);
// Set-up specs for SliceMetadata.
SliceProvider.setSpecs(SliceLiveData.SUPPORTED_SPECS);
mMediaOutputGroupSlice = new MediaOutputGroupSlice(mContext);
sMediaDeviceUpdateWorker = spy(new MediaDeviceUpdateWorker(mContext,
MEDIA_OUTPUT_GROUP_SLICE_URI));
sMediaDeviceUpdateWorker.mLocalMediaManager = mLocalMediaManager;
when(sMediaDeviceUpdateWorker.getPackageName()).thenReturn(TEST_PACKAGE_NAME);
mDrawable = mContext.getDrawable(R.drawable.ic_check_box_blue_24dp);
when(sMediaDeviceUpdateWorker.getSelectableMediaDevice()).thenReturn(mSelectableDevices);
when(mDevice1.getId()).thenReturn(TEST_DEVICE_1_ID);
when(mDevice1.getIcon()).thenReturn(mDrawable);
when(mDevice1.getName()).thenReturn(TEST_DEVICE_1_NAME);
when(mDevice1.getMaxVolume()).thenReturn(100);
when(mDevice1.getCurrentVolume()).thenReturn(10);
when(mDevice1.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
when(mDevice2.getId()).thenReturn(TEST_DEVICE_2_ID);
when(mDevice2.getIcon()).thenReturn(mDrawable);
when(mDevice2.getName()).thenReturn(TEST_DEVICE_2_NAME);
when(mDevice2.getMaxVolume()).thenReturn(100);
when(mDevice2.getCurrentVolume()).thenReturn(20);
}
@Test
public void getSlice_noMatchedDevice_doNothing() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice1);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_1_ID))
.thenReturn(mDevice1);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(EXTRA_RANGE_VALUE, TEST_VOLUME);
intent.putExtra(MEDIA_DEVICE_ID, TEST_DEVICE_2_ID);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_VOLUME_ADJUSTMENT);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(sMediaDeviceUpdateWorker, never()).adjustSessionVolume(anyInt());
verify(mDevice1, never()).requestSetVolume(TEST_VOLUME);
}
@Test
public void getSlice_withOneSelectableDevice_checkRowNumber() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice2);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
when(sMediaDeviceUpdateWorker.getSelectableMediaDevice()).thenReturn(mSelectableDevices);
final Slice slice = mMediaOutputGroupSlice.getSlice();
final int rows = SliceQuery.findAll(slice, FORMAT_SLICE, HINT_LIST_ITEM, null).size();
// Group item and 2 * InputRange
assertThat(rows).isEqualTo(3);
}
@Test
public void getSlice_withOneSelectableDevice_checkTitle() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice1);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Slice slice = mMediaOutputGroupSlice.getSlice();
final SliceMetadata metadata = SliceMetadata.from(mContext, slice);
final SliceAction primaryAction = metadata.getPrimaryAction();
assertThat(primaryAction.getTitle().toString()).isEqualTo(GROUP_DEVICES);
}
@Test
public void onNotifyChange_verifyAdjustDeviceVolume() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice1);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_1_ID))
.thenReturn(mDevice1);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(EXTRA_RANGE_VALUE, TEST_VOLUME);
intent.putExtra(MEDIA_DEVICE_ID, TEST_DEVICE_1_ID);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_VOLUME_ADJUSTMENT);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(mDevice1).requestSetVolume(TEST_VOLUME);
}
@Test
public void onNotifyChange_verifyAdjustGroupVolume() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice1);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_1_ID))
.thenReturn(mDevice1);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(EXTRA_RANGE_VALUE, TEST_VOLUME);
intent.putExtra(MEDIA_DEVICE_ID, GROUP_DEVICES);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_VOLUME_ADJUSTMENT);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(sMediaDeviceUpdateWorker).adjustSessionVolume(TEST_VOLUME);
}
@Test
public void onNotifyChange_sessionOperation_differentClient_verifyAddSession() {
mSelectableDevices.add(mDevice1);
mSelectableDevices.add(mDevice2);
mSelectedDevices.add(mDevice1);
when(mDevice2.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME2);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_2_ID))
.thenReturn(mDevice2);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(MEDIA_DEVICE_ID, TEST_DEVICE_2_ID);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_MEDIA_SESSION_OPERATION);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(sMediaDeviceUpdateWorker).addDeviceToPlayMedia(mDevice2);
}
@Test
public void onNotifyChange_sessionOperation_sameClient_verifyRemoveSession() {
mSelectableDevices.add(mDevice1);
mSelectableDevices.add(mDevice2);
mSelectedDevices.add(mDevice1);
when(mDevice2.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_2_ID))
.thenReturn(mDevice2);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(MEDIA_DEVICE_ID, TEST_DEVICE_2_ID);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_MEDIA_SESSION_OPERATION);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(sMediaDeviceUpdateWorker).removeDeviceFromPlayMedia(mDevice2);
}
@Test
public void onNotifyChange_noId_doNothing() {
mSelectableDevices.add(mDevice1);
mSelectedDevices.add(mDevice1);
when(mLocalMediaManager.getMediaDeviceById(mSelectableDevices, TEST_DEVICE_1_ID))
.thenReturn(mDevice1);
sMediaDeviceUpdateWorker.onDeviceListUpdate(mSelectableDevices);
when(sMediaDeviceUpdateWorker.getSelectedMediaDevice()).thenReturn(mSelectedDevices);
final Intent intent = new Intent();
intent.putExtra(EXTRA_RANGE_VALUE, TEST_VOLUME);
intent.putExtra(CUSTOMIZED_ACTION, ACTION_VOLUME_ADJUSTMENT);
mMediaOutputGroupSlice.onNotifyChange(intent);
verify(sMediaDeviceUpdateWorker, never()).adjustSessionVolume(anyInt());
verify(mDevice1, never()).requestSetVolume(TEST_VOLUME);
}
@Implements(SliceBackgroundWorker.class)
public static class ShadowSliceBackgroundWorker {
@Implementation
public static SliceBackgroundWorker getInstance(Uri uri) {
return sMediaDeviceUpdateWorker;
}
}
}