| /* |
| * Copyright (C) 2017 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.server.power; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.PowerManager; |
| import android.os.PowerManager.ServiceType; |
| import android.os.PowerSaveState; |
| import android.provider.Settings; |
| import android.provider.Settings.Global; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.KeyValueListParser; |
| import android.util.Slog; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.os.BackgroundThread; |
| import com.android.internal.util.ConcurrentUtils; |
| import com.android.server.power.batterysaver.BatterySavingStats; |
| import com.android.server.power.batterysaver.CpuFrequencies; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Class to decide whether to turn on battery saver mode for specific service |
| * |
| * IMPORTANT: This class shares the power manager lock, which is very low in the lock hierarchy. |
| * Do not call out with the lock held, such as AccessibilityManager. (Settings provider is okay.) |
| * |
| * Test: |
| atest ${ANDROID_BUILD_TOP}/frameworks/base/services/tests/servicestests/src/com/android/server/power/BatterySaverPolicyTest.java |
| */ |
| public class BatterySaverPolicy extends ContentObserver { |
| private static final String TAG = "BatterySaverPolicy"; |
| |
| public static final boolean DEBUG = false; // DO NOT SUBMIT WITH TRUE. |
| |
| // Secure setting for GPS behavior when battery saver mode is on. |
| public static final String SECURE_KEY_GPS_MODE = "batterySaverGpsMode"; |
| |
| private static final String KEY_GPS_MODE = "gps_mode"; |
| private static final String KEY_VIBRATION_DISABLED = "vibration_disabled"; |
| private static final String KEY_ANIMATION_DISABLED = "animation_disabled"; |
| private static final String KEY_SOUNDTRIGGER_DISABLED = "soundtrigger_disabled"; |
| private static final String KEY_FIREWALL_DISABLED = "firewall_disabled"; |
| private static final String KEY_ADJUST_BRIGHTNESS_DISABLED = "adjust_brightness_disabled"; |
| private static final String KEY_DATASAVER_DISABLED = "datasaver_disabled"; |
| private static final String KEY_LAUNCH_BOOST_DISABLED = "launch_boost_disabled"; |
| private static final String KEY_ADJUST_BRIGHTNESS_FACTOR = "adjust_brightness_factor"; |
| private static final String KEY_FULLBACKUP_DEFERRED = "fullbackup_deferred"; |
| private static final String KEY_KEYVALUE_DEFERRED = "keyvaluebackup_deferred"; |
| private static final String KEY_FORCE_ALL_APPS_STANDBY = "force_all_apps_standby"; |
| private static final String KEY_FORCE_BACKGROUND_CHECK = "force_background_check"; |
| private static final String KEY_OPTIONAL_SENSORS_DISABLED = "optional_sensors_disabled"; |
| private static final String KEY_AOD_DISABLED = "aod_disabled"; |
| private static final String KEY_SEND_TRON_LOG = "send_tron_log"; |
| |
| private static final String KEY_CPU_FREQ_INTERACTIVE = "cpufreq-i"; |
| private static final String KEY_CPU_FREQ_NONINTERACTIVE = "cpufreq-n"; |
| |
| private final Object mLock; |
| private final Handler mHandler; |
| |
| @GuardedBy("mLock") |
| private String mSettings; |
| |
| @GuardedBy("mLock") |
| private String mDeviceSpecificSettings; |
| |
| @GuardedBy("mLock") |
| private String mDeviceSpecificSettingsSource; // For dump() only. |
| |
| /** |
| * A short string describing which battery saver is now enabled, which we dump in the eventlog. |
| */ |
| @GuardedBy("mLock") |
| private String mEventLogKeys; |
| |
| /** |
| * {@code true} if vibration is disabled in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_VIBRATION_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mVibrationDisabledConfig; |
| |
| /** |
| * Whether vibration should *really* be disabled -- i.e. {@link #mVibrationDisabledConfig} |
| * is true *and* {@link #mAccessibilityEnabled} is false. |
| */ |
| @GuardedBy("mLock") |
| private boolean mVibrationDisabledEffective; |
| |
| /** |
| * {@code true} if animation is disabled in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_ANIMATION_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mAnimationDisabled; |
| |
| /** |
| * {@code true} if sound trigger is disabled in battery saver mode |
| * in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_SOUNDTRIGGER_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mSoundTriggerDisabled; |
| |
| /** |
| * {@code true} if full backup is deferred in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_FULLBACKUP_DEFERRED |
| */ |
| @GuardedBy("mLock") |
| private boolean mFullBackupDeferred; |
| |
| /** |
| * {@code true} if key value backup is deferred in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_KEYVALUE_DEFERRED |
| */ |
| @GuardedBy("mLock") |
| private boolean mKeyValueBackupDeferred; |
| |
| /** |
| * {@code true} if network policy firewall is disabled in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_FIREWALL_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mFireWallDisabled; |
| |
| /** |
| * {@code true} if adjust brightness is disabled in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_ADJUST_BRIGHTNESS_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mAdjustBrightnessDisabled; |
| |
| /** |
| * {@code true} if data saver is disabled in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_DATASAVER_DISABLED |
| */ |
| @GuardedBy("mLock") |
| private boolean mDataSaverDisabled; |
| |
| /** |
| * {@code true} if launch boost should be disabled on battery saver. |
| */ |
| @GuardedBy("mLock") |
| private boolean mLaunchBoostDisabled; |
| |
| /** |
| * This is the flag to decide the gps mode in battery saver mode. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_GPS_MODE |
| */ |
| @GuardedBy("mLock") |
| private int mGpsMode; |
| |
| /** |
| * This is the flag to decide the how much to adjust the screen brightness. This is |
| * the float value from 0 to 1 where 1 means don't change brightness. |
| * |
| * @see Settings.Global#BATTERY_SAVER_CONSTANTS |
| * @see #KEY_ADJUST_BRIGHTNESS_FACTOR |
| */ |
| @GuardedBy("mLock") |
| private float mAdjustBrightnessFactor; |
| |
| /** |
| * Whether to put all apps in the stand-by mode. |
| */ |
| @GuardedBy("mLock") |
| private boolean mForceAllAppsStandby; |
| |
| /** |
| * Whether to put all apps in the stand-by mode. |
| */ |
| @GuardedBy("mLock") |
| private boolean mForceBackgroundCheck; |
| |
| /** |
| * Whether to show non-essential sensors (e.g. edge sensors) or not. |
| */ |
| @GuardedBy("mLock") |
| private boolean mOptionalSensorsDisabled; |
| |
| /** |
| * Whether AOD is enabled or not. |
| */ |
| @GuardedBy("mLock") |
| private boolean mAodDisabled; |
| |
| /** |
| * Whether BatterySavingStats should send tron events. |
| */ |
| @GuardedBy("mLock") |
| private boolean mSendTronLog; |
| |
| private final Context mContext; |
| private final ContentResolver mContentResolver; |
| private final BatterySavingStats mBatterySavingStats; |
| |
| @GuardedBy("mLock") |
| private final List<BatterySaverPolicyListener> mListeners = new ArrayList<>(); |
| |
| /** |
| * List of [Filename -> content] that should be written when battery saver is activated |
| * and the device is interactive. |
| * |
| * We use this to change the max CPU frequencies. |
| */ |
| @GuardedBy("mLock") |
| private ArrayMap<String, String> mFilesForInteractive; |
| |
| /** |
| * List of [Filename -> content] that should be written when battery saver is activated |
| * and the device is non-interactive. |
| * |
| * We use this to change the max CPU frequencies. |
| */ |
| @GuardedBy("mLock") |
| private ArrayMap<String, String> mFilesForNoninteractive; |
| |
| /** |
| * Whether accessibility is enabled or not. |
| */ |
| @GuardedBy("mLock") |
| private boolean mAccessibilityEnabled; |
| |
| public interface BatterySaverPolicyListener { |
| void onBatterySaverPolicyChanged(BatterySaverPolicy policy); |
| } |
| |
| public BatterySaverPolicy(Object lock, Context context, BatterySavingStats batterySavingStats) { |
| super(BackgroundThread.getHandler()); |
| mLock = lock; |
| mHandler = BackgroundThread.getHandler(); |
| mContext = context; |
| mContentResolver = context.getContentResolver(); |
| mBatterySavingStats = batterySavingStats; |
| } |
| |
| /** |
| * Called by {@link PowerManagerService#systemReady}, *with no lock held.* |
| */ |
| public void systemReady() { |
| ConcurrentUtils.wtfIfLockHeld(TAG, mLock); |
| |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.BATTERY_SAVER_CONSTANTS), false, this); |
| mContentResolver.registerContentObserver(Settings.Global.getUriFor( |
| Global.BATTERY_SAVER_DEVICE_SPECIFIC_CONSTANTS), false, this); |
| |
| final AccessibilityManager acm = mContext.getSystemService(AccessibilityManager.class); |
| |
| acm.addAccessibilityStateChangeListener((enabled) -> { |
| synchronized (mLock) { |
| mAccessibilityEnabled = enabled; |
| } |
| refreshSettings(); |
| }); |
| final boolean enabled = acm.isEnabled(); |
| synchronized (mLock) { |
| mAccessibilityEnabled = enabled; |
| } |
| onChange(true, null); |
| } |
| |
| public void addListener(BatterySaverPolicyListener listener) { |
| synchronized (mLock) { |
| mListeners.add(listener); |
| } |
| } |
| |
| @VisibleForTesting |
| String getGlobalSetting(String key) { |
| return Settings.Global.getString(mContentResolver, key); |
| } |
| |
| @VisibleForTesting |
| int getDeviceSpecificConfigResId() { |
| return R.string.config_batterySaverDeviceSpecificConfig; |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| refreshSettings(); |
| } |
| |
| private void refreshSettings() { |
| final BatterySaverPolicyListener[] listeners; |
| synchronized (mLock) { |
| // Load the non-device-specific setting. |
| final String setting = getGlobalSetting(Settings.Global.BATTERY_SAVER_CONSTANTS); |
| |
| // Load the device specific setting. |
| // We first check the global setting, and if it's empty or the string "null" is set, |
| // use the default value from config.xml. |
| String deviceSpecificSetting = getGlobalSetting( |
| Settings.Global.BATTERY_SAVER_DEVICE_SPECIFIC_CONSTANTS); |
| mDeviceSpecificSettingsSource = |
| Settings.Global.BATTERY_SAVER_DEVICE_SPECIFIC_CONSTANTS; |
| |
| if (TextUtils.isEmpty(deviceSpecificSetting) || "null".equals(deviceSpecificSetting)) { |
| deviceSpecificSetting = |
| mContext.getString(getDeviceSpecificConfigResId()); |
| mDeviceSpecificSettingsSource = "(overlay)"; |
| } |
| |
| // Update. |
| updateConstantsLocked(setting, deviceSpecificSetting); |
| |
| listeners = mListeners.toArray(new BatterySaverPolicyListener[mListeners.size()]); |
| } |
| |
| // Notify the listeners. |
| mHandler.post(() -> { |
| for (BatterySaverPolicyListener listener : listeners) { |
| listener.onBatterySaverPolicyChanged(this); |
| } |
| }); |
| } |
| |
| @GuardedBy("mLock") |
| @VisibleForTesting |
| void updateConstantsLocked(final String setting, final String deviceSpecificSetting) { |
| mSettings = setting; |
| mDeviceSpecificSettings = deviceSpecificSetting; |
| |
| if (DEBUG) { |
| Slog.i(TAG, "mSettings=" + mSettings); |
| Slog.i(TAG, "mDeviceSpecificSettings=" + mDeviceSpecificSettings); |
| } |
| |
| final KeyValueListParser parser = new KeyValueListParser(','); |
| |
| // Non-device-specific parameters. |
| try { |
| parser.setString(setting); |
| } catch (IllegalArgumentException e) { |
| Slog.wtf(TAG, "Bad battery saver constants: " + setting); |
| } |
| |
| mVibrationDisabledConfig = parser.getBoolean(KEY_VIBRATION_DISABLED, true); |
| mAnimationDisabled = parser.getBoolean(KEY_ANIMATION_DISABLED, false); |
| mSoundTriggerDisabled = parser.getBoolean(KEY_SOUNDTRIGGER_DISABLED, true); |
| mFullBackupDeferred = parser.getBoolean(KEY_FULLBACKUP_DEFERRED, true); |
| mKeyValueBackupDeferred = parser.getBoolean(KEY_KEYVALUE_DEFERRED, true); |
| mFireWallDisabled = parser.getBoolean(KEY_FIREWALL_DISABLED, false); |
| mAdjustBrightnessDisabled = parser.getBoolean(KEY_ADJUST_BRIGHTNESS_DISABLED, true); |
| mAdjustBrightnessFactor = parser.getFloat(KEY_ADJUST_BRIGHTNESS_FACTOR, 0.5f); |
| mDataSaverDisabled = parser.getBoolean(KEY_DATASAVER_DISABLED, true); |
| mLaunchBoostDisabled = parser.getBoolean(KEY_LAUNCH_BOOST_DISABLED, true); |
| mForceAllAppsStandby = parser.getBoolean(KEY_FORCE_ALL_APPS_STANDBY, true); |
| mForceBackgroundCheck = parser.getBoolean(KEY_FORCE_BACKGROUND_CHECK, true); |
| mOptionalSensorsDisabled = parser.getBoolean(KEY_OPTIONAL_SENSORS_DISABLED, true); |
| mAodDisabled = parser.getBoolean(KEY_AOD_DISABLED, true); |
| mSendTronLog = parser.getBoolean(KEY_SEND_TRON_LOG, false); |
| |
| // Get default value from Settings.Secure |
| final int defaultGpsMode = Settings.Secure.getInt(mContentResolver, SECURE_KEY_GPS_MODE, |
| PowerManager.LOCATION_MODE_ALL_DISABLED_WHEN_SCREEN_OFF); |
| mGpsMode = parser.getInt(KEY_GPS_MODE, defaultGpsMode); |
| |
| // Non-device-specific parameters. |
| try { |
| parser.setString(deviceSpecificSetting); |
| } catch (IllegalArgumentException e) { |
| Slog.wtf(TAG, "Bad device specific battery saver constants: " |
| + deviceSpecificSetting); |
| } |
| |
| mFilesForInteractive = (new CpuFrequencies()).parseString( |
| parser.getString(KEY_CPU_FREQ_INTERACTIVE, "")).toSysFileMap(); |
| |
| mFilesForNoninteractive = (new CpuFrequencies()).parseString( |
| parser.getString(KEY_CPU_FREQ_NONINTERACTIVE, "")).toSysFileMap(); |
| |
| // Update the effective policy. |
| mVibrationDisabledEffective = mVibrationDisabledConfig |
| && !mAccessibilityEnabled; // Don't disable vibration when accessibility is on. |
| |
| final StringBuilder sb = new StringBuilder(); |
| |
| if (mForceAllAppsStandby) sb.append("A"); |
| if (mForceBackgroundCheck) sb.append("B"); |
| |
| if (mVibrationDisabledEffective) sb.append("v"); |
| if (mAnimationDisabled) sb.append("a"); |
| if (mSoundTriggerDisabled) sb.append("s"); |
| if (mFullBackupDeferred) sb.append("F"); |
| if (mKeyValueBackupDeferred) sb.append("K"); |
| if (!mFireWallDisabled) sb.append("f"); |
| if (!mDataSaverDisabled) sb.append("d"); |
| if (!mAdjustBrightnessDisabled) sb.append("b"); |
| |
| if (mLaunchBoostDisabled) sb.append("l"); |
| if (mOptionalSensorsDisabled) sb.append("S"); |
| if (mAodDisabled) sb.append("o"); |
| if (mSendTronLog) sb.append("t"); |
| |
| sb.append(mGpsMode); |
| |
| mEventLogKeys = sb.toString(); |
| |
| mBatterySavingStats.setSendTronLog(mSendTronLog); |
| } |
| |
| /** |
| * Get the {@link PowerSaveState} based on {@paramref type} and {@paramref realMode}. |
| * The result will have {@link PowerSaveState#batterySaverEnabled} and some other |
| * parameters when necessary. |
| * |
| * @param type type of the service, one of {@link ServiceType} |
| * @param realMode whether the battery saver is on by default |
| * @return State data that contains battery saver data |
| */ |
| public PowerSaveState getBatterySaverPolicy(@ServiceType int type, boolean realMode) { |
| synchronized (mLock) { |
| final PowerSaveState.Builder builder = new PowerSaveState.Builder() |
| .setGlobalBatterySaverEnabled(realMode); |
| if (!realMode) { |
| return builder.setBatterySaverEnabled(realMode) |
| .build(); |
| } |
| switch (type) { |
| case ServiceType.GPS: |
| return builder.setBatterySaverEnabled(realMode) |
| .setGpsMode(mGpsMode) |
| .build(); |
| case ServiceType.ANIMATION: |
| return builder.setBatterySaverEnabled(mAnimationDisabled) |
| .build(); |
| case ServiceType.FULL_BACKUP: |
| return builder.setBatterySaverEnabled(mFullBackupDeferred) |
| .build(); |
| case ServiceType.KEYVALUE_BACKUP: |
| return builder.setBatterySaverEnabled(mKeyValueBackupDeferred) |
| .build(); |
| case ServiceType.NETWORK_FIREWALL: |
| return builder.setBatterySaverEnabled(!mFireWallDisabled) |
| .build(); |
| case ServiceType.SCREEN_BRIGHTNESS: |
| return builder.setBatterySaverEnabled(!mAdjustBrightnessDisabled) |
| .setBrightnessFactor(mAdjustBrightnessFactor) |
| .build(); |
| case ServiceType.DATA_SAVER: |
| return builder.setBatterySaverEnabled(!mDataSaverDisabled) |
| .build(); |
| case ServiceType.SOUND: |
| return builder.setBatterySaverEnabled(mSoundTriggerDisabled) |
| .build(); |
| case ServiceType.VIBRATION: |
| return builder.setBatterySaverEnabled(mVibrationDisabledEffective) |
| .build(); |
| case ServiceType.FORCE_ALL_APPS_STANDBY: |
| return builder.setBatterySaverEnabled(mForceAllAppsStandby) |
| .build(); |
| case ServiceType.FORCE_BACKGROUND_CHECK: |
| return builder.setBatterySaverEnabled(mForceBackgroundCheck) |
| .build(); |
| case ServiceType.OPTIONAL_SENSORS: |
| return builder.setBatterySaverEnabled(mOptionalSensorsDisabled) |
| .build(); |
| case ServiceType.AOD: |
| return builder.setBatterySaverEnabled(mAodDisabled) |
| .build(); |
| default: |
| return builder.setBatterySaverEnabled(realMode) |
| .build(); |
| } |
| } |
| } |
| |
| public int getGpsMode() { |
| synchronized (mLock) { |
| return mGpsMode; |
| } |
| } |
| |
| public ArrayMap<String, String> getFileValues(boolean interactive) { |
| synchronized (mLock) { |
| return interactive ? mFilesForInteractive : mFilesForNoninteractive; |
| } |
| } |
| |
| public boolean isLaunchBoostDisabled() { |
| synchronized (mLock) { |
| return mLaunchBoostDisabled; |
| } |
| } |
| |
| public String toEventLogString() { |
| synchronized (mLock) { |
| return mEventLogKeys; |
| } |
| } |
| |
| public void dump(PrintWriter pw) { |
| synchronized (mLock) { |
| pw.println(); |
| mBatterySavingStats.dump(pw, ""); |
| |
| pw.println(); |
| pw.println("Battery saver policy (*NOTE* they only apply when battery saver is ON):"); |
| pw.println(" Settings: " + Settings.Global.BATTERY_SAVER_CONSTANTS); |
| pw.println(" value: " + mSettings); |
| pw.println(" Settings: " + mDeviceSpecificSettingsSource); |
| pw.println(" value: " + mDeviceSpecificSettings); |
| |
| pw.println(); |
| pw.println(" mAccessibilityEnabled=" + mAccessibilityEnabled); |
| pw.println(" " + KEY_VIBRATION_DISABLED + ":config=" + mVibrationDisabledConfig); |
| pw.println(" " + KEY_VIBRATION_DISABLED + ":effective=" + mVibrationDisabledEffective); |
| pw.println(" " + KEY_ANIMATION_DISABLED + "=" + mAnimationDisabled); |
| pw.println(" " + KEY_FULLBACKUP_DEFERRED + "=" + mFullBackupDeferred); |
| pw.println(" " + KEY_KEYVALUE_DEFERRED + "=" + mKeyValueBackupDeferred); |
| pw.println(" " + KEY_FIREWALL_DISABLED + "=" + mFireWallDisabled); |
| pw.println(" " + KEY_DATASAVER_DISABLED + "=" + mDataSaverDisabled); |
| pw.println(" " + KEY_LAUNCH_BOOST_DISABLED + "=" + mLaunchBoostDisabled); |
| pw.println(" " + KEY_ADJUST_BRIGHTNESS_DISABLED + "=" + mAdjustBrightnessDisabled); |
| pw.println(" " + KEY_ADJUST_BRIGHTNESS_FACTOR + "=" + mAdjustBrightnessFactor); |
| pw.println(" " + KEY_GPS_MODE + "=" + mGpsMode); |
| pw.println(" " + KEY_FORCE_ALL_APPS_STANDBY + "=" + mForceAllAppsStandby); |
| pw.println(" " + KEY_FORCE_BACKGROUND_CHECK + "=" + mForceBackgroundCheck); |
| pw.println(" " + KEY_OPTIONAL_SENSORS_DISABLED + "=" + mOptionalSensorsDisabled); |
| pw.println(" " + KEY_AOD_DISABLED + "=" + mAodDisabled); |
| pw.println(" " + KEY_SEND_TRON_LOG + "=" + mSendTronLog); |
| pw.println(); |
| |
| pw.print(" Interactive File values:\n"); |
| dumpMap(pw, " ", mFilesForInteractive); |
| pw.println(); |
| |
| pw.print(" Noninteractive File values:\n"); |
| dumpMap(pw, " ", mFilesForNoninteractive); |
| } |
| } |
| |
| private void dumpMap(PrintWriter pw, String prefix, ArrayMap<String, String> map) { |
| if (map == null) { |
| return; |
| } |
| final int size = map.size(); |
| for (int i = 0; i < size; i++) { |
| pw.print(prefix); |
| pw.print(map.keyAt(i)); |
| pw.print(": '"); |
| pw.print(map.valueAt(i)); |
| pw.println("'"); |
| } |
| } |
| |
| @VisibleForTesting |
| public void setAccessibilityEnabledForTest(boolean enabled) { |
| synchronized (mLock) { |
| mAccessibilityEnabled = enabled; |
| } |
| } |
| } |