Add developer menu to select max number of connected audio devices

The new developer option modifies the system property
"persist.bluetooth.maxconnectedaudiodevices"; it allows testing
multiple connected devices for A2DP, AVRCP, HFP.

Bug: 71603731
Test: Robolectric test
Change-Id: Ie7887065f98193f4f34e0ff4a29959694e417124
This commit is contained in:
Hansong Zhang
2018-01-04 16:38:15 -08:00
parent 27e7280b21
commit b2730b7b10
6 changed files with 274 additions and 0 deletions

View File

@@ -0,0 +1,102 @@
/*
* Copyright (C) 2018 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.development;
import android.content.Context;
import android.os.SystemProperties;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
public class BluetoothMaxConnectedAudioDevicesPreferenceController extends
DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
PreferenceControllerMixin {
private static final String BLUETOOTH_MAX_CONNECTED_AUDIO_DEVICES_KEY =
"bluetooth_max_connected_audio_devices";
@VisibleForTesting
static final String BLUETOOTH_MAX_CONNECTED_AUDIO_DEVICES_PROPERTY =
"persist.bluetooth.maxconnectedaudiodevices";
private final String[] mListValues;
private final String[] mListSummaries;
private ListPreference mPreference;
public BluetoothMaxConnectedAudioDevicesPreferenceController(Context context) {
super(context);
mListValues = context.getResources()
.getStringArray(R.array.bluetooth_max_connected_audio_devices_values);
mListSummaries = context.getResources()
.getStringArray(R.array.bluetooth_max_connected_audio_devices);
}
@Override
public String getPreferenceKey() {
return BLUETOOTH_MAX_CONNECTED_AUDIO_DEVICES_KEY;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = (ListPreference) screen.findPreference(getPreferenceKey());
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
SystemProperties.set(BLUETOOTH_MAX_CONNECTED_AUDIO_DEVICES_PROPERTY, newValue.toString());
return true;
}
@Override
public void updateState(Preference preference) {
final String currentValue = SystemProperties.get(
BLUETOOTH_MAX_CONNECTED_AUDIO_DEVICES_PROPERTY);
int index = 0; // Defaults to 1 device
for (int i = 0; i < mListValues.length; i++) {
if (TextUtils.equals(currentValue, mListValues[i])) {
index = i;
break;
}
}
mPreference.setValue(mListValues[index]);
mPreference.setSummary(mListSummaries[index]);
}
@Override
protected void onDeveloperOptionsSwitchEnabled() {
mPreference.setEnabled(true);
mPreference.setValue(mListValues[0]);
mPreference.setSummary(mListSummaries[0]);
}
@Override
protected void onDeveloperOptionsSwitchDisabled() {
mPreference.setEnabled(false);
mPreference.setValue(mListValues[0]);
mPreference.setSummary(mListSummaries[0]);
}
}