| /* |
| * Copyright (C) 2019 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 android.os; |
| |
| import android.annotation.IntDef; |
| import android.annotation.IntRange; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.annotation.SystemService; |
| import android.annotation.TestApi; |
| import android.content.Context; |
| import android.net.NetworkStack; |
| import android.os.connectivity.CellularBatteryStats; |
| import android.os.connectivity.WifiBatteryStats; |
| import android.telephony.DataConnectionRealTimeInfo; |
| |
| import com.android.internal.app.IBatteryStats; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.List; |
| |
| /** |
| * This class provides an API surface for internal system components to report events that are |
| * needed for battery usage/estimation and battery blaming for apps. |
| * |
| * Note: This internally uses the same {@link IBatteryStats} binder service as the public |
| * {@link BatteryManager}. |
| * @hide |
| */ |
| @SystemApi |
| @SystemService(Context.BATTERY_STATS_SERVICE) |
| public final class BatteryStatsManager { |
| /** |
| * Wifi states. |
| * |
| * @see #noteWifiState(int, String) |
| */ |
| /** |
| * Wifi fully off. |
| */ |
| public static final int WIFI_STATE_OFF = 0; |
| /** |
| * Wifi connectivity off, but scanning enabled. |
| */ |
| public static final int WIFI_STATE_OFF_SCANNING = 1; |
| /** |
| * Wifi on, but no saved infrastructure networks to connect to. |
| */ |
| public static final int WIFI_STATE_ON_NO_NETWORKS = 2; |
| /** |
| * Wifi on, but not connected to any infrastructure networks. |
| */ |
| public static final int WIFI_STATE_ON_DISCONNECTED = 3; |
| /** |
| * Wifi on and connected to a infrastructure network. |
| */ |
| public static final int WIFI_STATE_ON_CONNECTED_STA = 4; |
| /** |
| * Wifi on and connected to a P2P device, but no infrastructure connection to a network. |
| */ |
| public static final int WIFI_STATE_ON_CONNECTED_P2P = 5; |
| /** |
| * Wifi on and connected to both a P2P device and infrastructure connection to a network. |
| */ |
| public static final int WIFI_STATE_ON_CONNECTED_STA_P2P = 6; |
| /** |
| * SoftAp/Hotspot turned on. |
| */ |
| public static final int WIFI_STATE_SOFT_AP = 7; |
| |
| /** @hide */ |
| public static final int NUM_WIFI_STATES = WIFI_STATE_SOFT_AP + 1; |
| |
| /** @hide */ |
| @IntDef(prefix = { "WIFI_STATE_" }, value = { |
| WIFI_STATE_OFF, |
| WIFI_STATE_OFF_SCANNING, |
| WIFI_STATE_ON_NO_NETWORKS, |
| WIFI_STATE_ON_DISCONNECTED, |
| WIFI_STATE_ON_CONNECTED_STA, |
| WIFI_STATE_ON_CONNECTED_P2P, |
| WIFI_STATE_ON_CONNECTED_STA_P2P, |
| WIFI_STATE_SOFT_AP |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface WifiState {} |
| |
| /** |
| * Wifi supplicant daemon states. |
| * |
| * @see android.net.wifi.SupplicantState for detailed description of states. |
| * @see #noteWifiSupplicantStateChanged(int) |
| */ |
| /** @see android.net.wifi.SupplicantState#INVALID */ |
| public static final int WIFI_SUPPL_STATE_INVALID = 0; |
| /** @see android.net.wifi.SupplicantState#DISCONNECTED*/ |
| public static final int WIFI_SUPPL_STATE_DISCONNECTED = 1; |
| /** @see android.net.wifi.SupplicantState#INTERFACE_DISABLED */ |
| public static final int WIFI_SUPPL_STATE_INTERFACE_DISABLED = 2; |
| /** @see android.net.wifi.SupplicantState#INACTIVE*/ |
| public static final int WIFI_SUPPL_STATE_INACTIVE = 3; |
| /** @see android.net.wifi.SupplicantState#SCANNING*/ |
| public static final int WIFI_SUPPL_STATE_SCANNING = 4; |
| /** @see android.net.wifi.SupplicantState#AUTHENTICATING */ |
| public static final int WIFI_SUPPL_STATE_AUTHENTICATING = 5; |
| /** @see android.net.wifi.SupplicantState#ASSOCIATING */ |
| public static final int WIFI_SUPPL_STATE_ASSOCIATING = 6; |
| /** @see android.net.wifi.SupplicantState#ASSOCIATED */ |
| public static final int WIFI_SUPPL_STATE_ASSOCIATED = 7; |
| /** @see android.net.wifi.SupplicantState#FOUR_WAY_HANDSHAKE */ |
| public static final int WIFI_SUPPL_STATE_FOUR_WAY_HANDSHAKE = 8; |
| /** @see android.net.wifi.SupplicantState#GROUP_HANDSHAKE */ |
| public static final int WIFI_SUPPL_STATE_GROUP_HANDSHAKE = 9; |
| /** @see android.net.wifi.SupplicantState#COMPLETED */ |
| public static final int WIFI_SUPPL_STATE_COMPLETED = 10; |
| /** @see android.net.wifi.SupplicantState#DORMANT */ |
| public static final int WIFI_SUPPL_STATE_DORMANT = 11; |
| /** @see android.net.wifi.SupplicantState#UNINITIALIZED */ |
| public static final int WIFI_SUPPL_STATE_UNINITIALIZED = 12; |
| |
| /** @hide */ |
| public static final int NUM_WIFI_SUPPL_STATES = WIFI_SUPPL_STATE_UNINITIALIZED + 1; |
| |
| /** @hide */ |
| @IntDef(prefix = { "WIFI_SUPPL_STATE_" }, value = { |
| WIFI_SUPPL_STATE_INVALID, |
| WIFI_SUPPL_STATE_DISCONNECTED, |
| WIFI_SUPPL_STATE_INTERFACE_DISABLED, |
| WIFI_SUPPL_STATE_INACTIVE, |
| WIFI_SUPPL_STATE_SCANNING, |
| WIFI_SUPPL_STATE_AUTHENTICATING, |
| WIFI_SUPPL_STATE_ASSOCIATING, |
| WIFI_SUPPL_STATE_ASSOCIATED, |
| WIFI_SUPPL_STATE_FOUR_WAY_HANDSHAKE, |
| WIFI_SUPPL_STATE_GROUP_HANDSHAKE, |
| WIFI_SUPPL_STATE_COMPLETED, |
| WIFI_SUPPL_STATE_DORMANT, |
| WIFI_SUPPL_STATE_UNINITIALIZED, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface WifiSupplState {} |
| |
| |
| private final IBatteryStats mBatteryStats; |
| |
| /** @hide */ |
| public BatteryStatsManager(IBatteryStats batteryStats) { |
| mBatteryStats = batteryStats; |
| } |
| |
| |
| /** |
| * Returns BatteryUsageStats, which contains power attribution data on a per-subsystem |
| * and per-UID basis. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.BATTERY_STATS) |
| @NonNull |
| public BatteryUsageStats getBatteryUsageStats() { |
| return getBatteryUsageStats(BatteryUsageStatsQuery.DEFAULT); |
| } |
| |
| /** |
| * Returns BatteryUsageStats, which contains power attribution data on a per-subsystem |
| * and per-UID basis. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.BATTERY_STATS) |
| @NonNull |
| public BatteryUsageStats getBatteryUsageStats(BatteryUsageStatsQuery query) { |
| return getBatteryUsageStats(List.of(query)).get(0); |
| } |
| |
| /** |
| * Returns BatteryUsageStats, which contains power attribution data on a per-subsystem |
| * and per-UID basis. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.BATTERY_STATS) |
| @NonNull |
| public List<BatteryUsageStats> getBatteryUsageStats(List<BatteryUsageStatsQuery> queries) { |
| try { |
| return mBatteryStats.getBatteryUsageStats(queries); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that the wifi connection RSSI has changed. |
| * |
| * @param newRssi The new RSSI value. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiRssiChanged(@IntRange(from = -127, to = 0) int newRssi) { |
| try { |
| mBatteryStats.noteWifiRssiChanged(newRssi); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that wifi was toggled on. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiOn() { |
| try { |
| mBatteryStats.noteWifiOn(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that wifi was toggled off. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiOff() { |
| try { |
| mBatteryStats.noteWifiOff(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that wifi state has changed. |
| * |
| * @param newWifiState The new wifi State. |
| * @param accessPoint SSID of the network if wifi is connected to STA, else null. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiState(@WifiState int newWifiState, |
| @Nullable String accessPoint) { |
| try { |
| mBatteryStats.noteWifiState(newWifiState, accessPoint); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that a new wifi scan has started. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiScanStartedFromSource(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteWifiScanStartedFromSource(ws); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that an ongoing wifi scan has stopped. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiScanStoppedFromSource(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteWifiScanStoppedFromSource(ws); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that a new wifi batched scan has started. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| * @param csph Channels scanned per hour. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiBatchedScanStartedFromSource(@NonNull WorkSource ws, |
| @IntRange(from = 0) int csph) { |
| try { |
| mBatteryStats.noteWifiBatchedScanStartedFromSource(ws, csph); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that an ongoing wifi batched scan has stopped. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiBatchedScanStoppedFromSource(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteWifiBatchedScanStoppedFromSource(ws); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Retrieves all the cellular related battery stats. |
| * |
| * @return Instance of {@link CellularBatteryStats}. |
| */ |
| @RequiresPermission(anyOf = { |
| android.Manifest.permission.BATTERY_STATS, |
| android.Manifest.permission.UPDATE_DEVICE_STATS}) |
| public @NonNull CellularBatteryStats getCellularBatteryStats() { |
| try { |
| return mBatteryStats.getCellularBatteryStats(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| return null; |
| } |
| } |
| |
| /** |
| * Retrieves all the wifi related battery stats. |
| * |
| * @return Instance of {@link WifiBatteryStats}. |
| */ |
| @RequiresPermission(anyOf = { |
| android.Manifest.permission.BATTERY_STATS, |
| android.Manifest.permission.UPDATE_DEVICE_STATS}) |
| public @NonNull WifiBatteryStats getWifiBatteryStats() { |
| try { |
| return mBatteryStats.getWifiBatteryStats(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| return null; |
| } |
| } |
| |
| /** |
| * Retrieves accumulate wake lock stats. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.BATTERY_STATS) |
| @NonNull |
| public WakeLockStats getWakeLockStats() { |
| try { |
| return mBatteryStats.getWakeLockStats(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Retrieves accumulated bluetooth stats. |
| * |
| * @hide |
| */ |
| @RequiresPermission(android.Manifest.permission.BATTERY_STATS) |
| @NonNull |
| public BluetoothBatteryStats getBluetoothBatteryStats() { |
| try { |
| return mBatteryStats.getBluetoothBatteryStats(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates an app acquiring full wifi lock. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportFullWifiLockAcquiredFromSource(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteFullWifiLockAcquiredFromSource(ws); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates an app releasing full wifi lock. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportFullWifiLockReleasedFromSource(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteFullWifiLockReleasedFromSource(ws); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that supplicant state has changed. |
| * |
| * @param newSupplState The new Supplicant state. |
| * @param failedAuth Boolean indicating whether there was a connection failure due to |
| * authentication failure. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiSupplicantStateChanged(@WifiSupplState int newSupplState, |
| boolean failedAuth) { |
| try { |
| mBatteryStats.noteWifiSupplicantStateChanged(newSupplState, failedAuth); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that an app has acquired the wifi multicast lock. |
| * |
| * @param ws Worksource with the uid of the app that acquired the wifi lock (to be used for |
| * battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiMulticastEnabled(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteWifiMulticastEnabled(ws.getAttributionUid()); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that an app has released the wifi multicast lock. |
| * |
| * @param ws Worksource with the uid of the app that released the wifi lock (to be used for |
| * battery blaming). |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiMulticastDisabled(@NonNull WorkSource ws) { |
| try { |
| mBatteryStats.noteWifiMulticastDisabled(ws.getAttributionUid()); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that the radio power state has changed. |
| * |
| * @param isActive indicates if the mobile radio is powered. |
| * @param uid Uid of this event. For the active state it represents the uid that was responsible |
| * for waking the radio, or -1 if the system was responsible for waking the radio. |
| * For inactive state, the UID should always be -1. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportMobileRadioPowerState(boolean isActive, int uid) { |
| try { |
| mBatteryStats.noteMobileRadioPowerState(getDataConnectionPowerState(isActive), |
| SystemClock.elapsedRealtimeNanos(), uid); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that the wifi power state has changed. |
| * |
| * @param isActive indicates if the wifi radio is powered. |
| * @param uid Uid of this event. For the active state it represents the uid that was responsible |
| * for waking the radio, or -1 if the system was responsible for waking the radio. |
| * For inactive state, the UID should always be -1. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportWifiRadioPowerState(boolean isActive, int uid) { |
| try { |
| mBatteryStats.noteWifiRadioPowerState(getDataConnectionPowerState(isActive), |
| SystemClock.elapsedRealtimeNanos(), uid); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Notifies the battery stats of a new interface, and the transport types of the network that |
| * includes that interface. |
| * |
| * @param iface The interface of the network. |
| * @param transportTypes The transport type of the network {@link Transport}. |
| * @hide |
| */ |
| @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) |
| @RequiresPermission(anyOf = { |
| NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, |
| android.Manifest.permission.NETWORK_STACK}) |
| public void reportNetworkInterfaceForTransports(@NonNull String iface, |
| @NonNull int[] transportTypes) throws RuntimeException { |
| try { |
| mBatteryStats.noteNetworkInterfaceForTransports(iface, transportTypes); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that Bluetooth was toggled on. |
| * |
| * @param uid calling package uid |
| * @param reason why Bluetooth has been turned on |
| * @param packageName package responsible for this change |
| * @deprecated Bluetooth self report its state and no longer call this |
| */ |
| @Deprecated |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public void reportBluetoothOn(int uid, int reason, @NonNull String packageName) { |
| } |
| |
| /** |
| * Indicates that Bluetooth was toggled off. |
| * |
| * @param uid calling package uid |
| * @param reason why Bluetooth has been turned on |
| * @param packageName package responsible for this change |
| * @deprecated Bluetooth self report its state and no longer call this |
| */ |
| @Deprecated |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public void reportBluetoothOff(int uid, int reason, @NonNull String packageName) { |
| } |
| |
| /** |
| * Indicates that a new Bluetooth LE scan has started. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| * @param isUnoptimized whether or not the scan has a filter. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportBleScanStarted(@NonNull WorkSource ws, boolean isUnoptimized) { |
| try { |
| mBatteryStats.noteBleScanStarted(ws, isUnoptimized); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that an ongoing Bluetooth LE scan has stopped. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| * @param isUnoptimized whether or not the scan has a filter. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportBleScanStopped(@NonNull WorkSource ws, boolean isUnoptimized) { |
| try { |
| mBatteryStats.noteBleScanStopped(ws, isUnoptimized); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that Bluetooth LE has been reset. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportBleScanReset() { |
| try { |
| mBatteryStats.noteBleScanReset(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Indicates that Bluetooth LE scan has received new results. |
| * |
| * @param ws worksource (to be used for battery blaming). |
| * @param numNewResults number of results received since last update. |
| */ |
| @RequiresPermission(android.Manifest.permission.UPDATE_DEVICE_STATS) |
| public void reportBleScanResults(@NonNull WorkSource ws, int numNewResults) { |
| try { |
| mBatteryStats.noteBleScanResults(ws, numNewResults); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| private static int getDataConnectionPowerState(boolean isActive) { |
| // TODO: DataConnectionRealTimeInfo is under telephony package but the constants are used |
| // for both Wifi and mobile. It would make more sense to separate the constants to a |
| // generic class or move it to generic package. |
| return isActive ? DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH |
| : DataConnectionRealTimeInfo.DC_POWER_STATE_LOW; |
| } |
| |
| /** |
| * Sets battery AC charger to enabled/disabled, and freezes the battery state. |
| * @hide |
| */ |
| @TestApi |
| @RequiresPermission(android.Manifest.permission.DEVICE_POWER) |
| public void setChargerAcOnline(boolean online, boolean forceUpdate) { |
| try { |
| mBatteryStats.setChargerAcOnline(online, forceUpdate); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Sets battery level, and freezes the battery state. |
| * @hide |
| */ |
| @TestApi |
| @RequiresPermission(android.Manifest.permission.DEVICE_POWER) |
| public void setBatteryLevel(int level, boolean forceUpdate) { |
| try { |
| mBatteryStats.setBatteryLevel(level, forceUpdate); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Unplugs battery, and freezes the battery state. |
| * @hide |
| */ |
| @TestApi |
| @RequiresPermission(android.Manifest.permission.DEVICE_POWER) |
| public void unplugBattery(boolean forceUpdate) { |
| try { |
| mBatteryStats.unplugBattery(forceUpdate); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Unfreezes battery state, returning to current hardware values. |
| * @hide |
| */ |
| @TestApi |
| @RequiresPermission(android.Manifest.permission.DEVICE_POWER) |
| public void resetBattery(boolean forceUpdate) { |
| try { |
| mBatteryStats.resetBattery(forceUpdate); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Suspend charging even if plugged in. |
| * @hide |
| */ |
| @TestApi |
| @RequiresPermission(android.Manifest.permission.DEVICE_POWER) |
| public void suspendBatteryInput() { |
| try { |
| mBatteryStats.suspendBatteryInput(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| } |
