| /* |
| * Copyright (C) 2008 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.systemui.power; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.os.BatteryManager; |
| import android.os.Handler; |
| import android.os.HardwarePropertiesManager; |
| import android.os.IBinder; |
| import android.os.IThermalEventListener; |
| import android.os.IThermalService; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.Temperature; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.text.format.DateUtils; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.settingslib.utils.ThreadUtils; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.statusbar.phone.StatusBar; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.time.Duration; |
| import java.util.Arrays; |
| |
| public class PowerUI extends SystemUI { |
| static final String TAG = "PowerUI"; |
| static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| private static final long TEMPERATURE_INTERVAL = 30 * DateUtils.SECOND_IN_MILLIS; |
| private static final long TEMPERATURE_LOGGING_INTERVAL = DateUtils.HOUR_IN_MILLIS; |
| private static final int MAX_RECENT_TEMPS = 125; // TEMPERATURE_LOGGING_INTERVAL plus a buffer |
| static final long THREE_HOURS_IN_MILLIS = DateUtils.HOUR_IN_MILLIS * 3; |
| private static final int CHARGE_CYCLE_PERCENT_RESET = 45; |
| private static final long SIX_HOURS_MILLIS = Duration.ofHours(6).toMillis(); |
| |
| private final Handler mHandler = new Handler(); |
| @VisibleForTesting |
| final Receiver mReceiver = new Receiver(); |
| |
| private PowerManager mPowerManager; |
| private HardwarePropertiesManager mHardwarePropertiesManager; |
| private WarningsUI mWarnings; |
| private final Configuration mLastConfiguration = new Configuration(); |
| private long mTimeRemaining = Long.MAX_VALUE; |
| private int mPlugType = 0; |
| private int mInvalidCharger = 0; |
| private EnhancedEstimates mEnhancedEstimates; |
| private boolean mLowWarningShownThisChargeCycle; |
| private boolean mSevereWarningShownThisChargeCycle; |
| |
| private int mLowBatteryAlertCloseLevel; |
| private final int[] mLowBatteryReminderLevels = new int[2]; |
| |
| private long mScreenOffTime = -1; |
| |
| private float mThresholdTemp; |
| private float[] mRecentTemps = new float[MAX_RECENT_TEMPS]; |
| private int mNumTemps; |
| private long mNextLogTime; |
| private IThermalService mThermalService; |
| |
| @VisibleForTesting int mBatteryLevel = 100; |
| @VisibleForTesting int mBatteryStatus = BatteryManager.BATTERY_STATUS_UNKNOWN; |
| |
| // by using the same instance (method references are not guaranteed to be the same object |
| // We create a method reference here so that we are guaranteed that we can remove a callback |
| // each time they are created). |
| private final Runnable mUpdateTempCallback = this::updateTemperatureWarning; |
| |
| public void start() { |
| mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mHardwarePropertiesManager = (HardwarePropertiesManager) |
| mContext.getSystemService(Context.HARDWARE_PROPERTIES_SERVICE); |
| mScreenOffTime = mPowerManager.isScreenOn() ? -1 : SystemClock.elapsedRealtime(); |
| mWarnings = Dependency.get(WarningsUI.class); |
| mEnhancedEstimates = Dependency.get(EnhancedEstimates.class); |
| mLastConfiguration.setTo(mContext.getResources().getConfiguration()); |
| |
| ContentObserver obs = new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| updateBatteryWarningLevels(); |
| } |
| }; |
| final ContentResolver resolver = mContext.getContentResolver(); |
| resolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), |
| false, obs, UserHandle.USER_ALL); |
| updateBatteryWarningLevels(); |
| mReceiver.init(); |
| |
| // Check to see if we need to let the user know that the phone previously shut down due |
| // to the temperature being too high. |
| showThermalShutdownDialog(); |
| |
| initTemperatureWarning(); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| final int mask = ActivityInfo.CONFIG_MCC | ActivityInfo.CONFIG_MNC; |
| |
| // Safe to modify mLastConfiguration here as it's only updated by the main thread (here). |
| if ((mLastConfiguration.updateFrom(newConfig) & mask) != 0) { |
| mHandler.post(this::initTemperatureWarning); |
| } |
| } |
| |
| void updateBatteryWarningLevels() { |
| int critLevel = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_criticalBatteryWarningLevel); |
| int warnLevel = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_lowBatteryWarningLevel); |
| |
| if (warnLevel < critLevel) { |
| warnLevel = critLevel; |
| } |
| |
| mLowBatteryReminderLevels[0] = warnLevel; |
| mLowBatteryReminderLevels[1] = critLevel; |
| mLowBatteryAlertCloseLevel = mLowBatteryReminderLevels[0] |
| + mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_lowBatteryCloseWarningBump); |
| } |
| |
| /** |
| * Buckets the battery level. |
| * |
| * The code in this function is a little weird because I couldn't comprehend |
| * the bucket going up when the battery level was going down. --joeo |
| * |
| * 1 means that the battery is "ok" |
| * 0 means that the battery is between "ok" and what we should warn about. |
| * less than 0 means that the battery is low |
| */ |
| private int findBatteryLevelBucket(int level) { |
| if (level >= mLowBatteryAlertCloseLevel) { |
| return 1; |
| } |
| if (level > mLowBatteryReminderLevels[0]) { |
| return 0; |
| } |
| final int N = mLowBatteryReminderLevels.length; |
| for (int i=N-1; i>=0; i--) { |
| if (level <= mLowBatteryReminderLevels[i]) { |
| return -1-i; |
| } |
| } |
| throw new RuntimeException("not possible!"); |
| } |
| |
| @VisibleForTesting |
| final class Receiver extends BroadcastReceiver { |
| |
| public void init() { |
| // Register for Intent broadcasts for... |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| mContext.registerReceiver(this, filter, null, mHandler); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(action)) { |
| ThreadUtils.postOnBackgroundThread(() -> { |
| if (mPowerManager.isPowerSaveMode()) { |
| mWarnings.dismissLowBatteryWarning(); |
| } |
| }); |
| } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) { |
| final int oldBatteryLevel = mBatteryLevel; |
| mBatteryLevel = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 100); |
| final int oldBatteryStatus = mBatteryStatus; |
| mBatteryStatus = intent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| final int oldPlugType = mPlugType; |
| mPlugType = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 1); |
| final int oldInvalidCharger = mInvalidCharger; |
| mInvalidCharger = intent.getIntExtra(BatteryManager.EXTRA_INVALID_CHARGER, 0); |
| |
| final boolean plugged = mPlugType != 0; |
| final boolean oldPlugged = oldPlugType != 0; |
| |
| int oldBucket = findBatteryLevelBucket(oldBatteryLevel); |
| int bucket = findBatteryLevelBucket(mBatteryLevel); |
| |
| if (DEBUG) { |
| Slog.d(TAG, "buckets ....." + mLowBatteryAlertCloseLevel |
| + " .. " + mLowBatteryReminderLevels[0] |
| + " .. " + mLowBatteryReminderLevels[1]); |
| Slog.d(TAG, "level " + oldBatteryLevel + " --> " + mBatteryLevel); |
| Slog.d(TAG, "status " + oldBatteryStatus + " --> " + mBatteryStatus); |
| Slog.d(TAG, "plugType " + oldPlugType + " --> " + mPlugType); |
| Slog.d(TAG, "invalidCharger " + oldInvalidCharger + " --> " + mInvalidCharger); |
| Slog.d(TAG, "bucket " + oldBucket + " --> " + bucket); |
| Slog.d(TAG, "plugged " + oldPlugged + " --> " + plugged); |
| } |
| |
| mWarnings.update(mBatteryLevel, bucket, mScreenOffTime); |
| if (oldInvalidCharger == 0 && mInvalidCharger != 0) { |
| Slog.d(TAG, "showing invalid charger warning"); |
| mWarnings.showInvalidChargerWarning(); |
| return; |
| } else if (oldInvalidCharger != 0 && mInvalidCharger == 0) { |
| mWarnings.dismissInvalidChargerWarning(); |
| } else if (mWarnings.isInvalidChargerWarningShowing()) { |
| // if invalid charger is showing, don't show low battery |
| return; |
| } |
| |
| // Show the correct version of low battery warning if needed |
| ThreadUtils.postOnBackgroundThread(() -> { |
| maybeShowBatteryWarning(plugged, oldPlugged, oldBucket, bucket); |
| }); |
| |
| } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { |
| mScreenOffTime = SystemClock.elapsedRealtime(); |
| } else if (Intent.ACTION_SCREEN_ON.equals(action)) { |
| mScreenOffTime = -1; |
| } else if (Intent.ACTION_USER_SWITCHED.equals(action)) { |
| mWarnings.userSwitched(); |
| } else { |
| Slog.w(TAG, "unknown intent: " + intent); |
| } |
| } |
| } |
| |
| protected void maybeShowBatteryWarning(boolean plugged, boolean oldPlugged, int oldBucket, |
| int bucket) { |
| boolean isPowerSaver = mPowerManager.isPowerSaveMode(); |
| // only play SFX when the dialog comes up or the bucket changes |
| final boolean playSound = bucket != oldBucket || oldPlugged; |
| final boolean hybridEnabled = mEnhancedEstimates.isHybridNotificationEnabled(); |
| if (hybridEnabled) { |
| final Estimate estimate = mEnhancedEstimates.getEstimate(); |
| // Turbo is not always booted once SysUI is running so we have ot make sure we actually |
| // get data back |
| if (estimate != null) { |
| mTimeRemaining = estimate.estimateMillis; |
| mWarnings.updateEstimate(estimate); |
| mWarnings.updateThresholds(mEnhancedEstimates.getLowWarningThreshold(), |
| mEnhancedEstimates.getSevereWarningThreshold()); |
| |
| // if we are now over 45% battery & 6 hours remaining we can trigger hybrid |
| // notification again |
| if (mBatteryLevel >= CHARGE_CYCLE_PERCENT_RESET |
| && mTimeRemaining > SIX_HOURS_MILLIS) { |
| mLowWarningShownThisChargeCycle = false; |
| mSevereWarningShownThisChargeCycle = false; |
| } |
| } |
| } |
| |
| if (shouldShowLowBatteryWarning(plugged, oldPlugged, oldBucket, bucket, |
| mTimeRemaining, isPowerSaver, mBatteryStatus)) { |
| mWarnings.showLowBatteryWarning(playSound); |
| |
| // mark if we've already shown a warning this cycle. This will prevent the notification |
| // trigger from spamming users by only showing low/critical warnings once per cycle |
| if (hybridEnabled) { |
| if (mTimeRemaining < mEnhancedEstimates.getSevereWarningThreshold() |
| || mBatteryLevel < mLowBatteryReminderLevels[1]) { |
| mSevereWarningShownThisChargeCycle = true; |
| } else { |
| mLowWarningShownThisChargeCycle = true; |
| } |
| } |
| } else if (shouldDismissLowBatteryWarning(plugged, oldBucket, bucket, mTimeRemaining, |
| isPowerSaver)) { |
| mWarnings.dismissLowBatteryWarning(); |
| } else { |
| mWarnings.updateLowBatteryWarning(); |
| } |
| } |
| |
| @VisibleForTesting |
| boolean shouldShowLowBatteryWarning(boolean plugged, boolean oldPlugged, int oldBucket, |
| int bucket, long timeRemaining, boolean isPowerSaver, int batteryStatus) { |
| if (mEnhancedEstimates.isHybridNotificationEnabled()) { |
| // triggering logic when enhanced estimate is available |
| return isEnhancedTrigger(plugged, timeRemaining, isPowerSaver, batteryStatus); |
| } |
| // legacy triggering logic |
| return !plugged |
| && !isPowerSaver |
| && (((bucket < oldBucket || oldPlugged) && bucket < 0)) |
| && batteryStatus != BatteryManager.BATTERY_STATUS_UNKNOWN; |
| } |
| |
| @VisibleForTesting |
| boolean shouldDismissLowBatteryWarning(boolean plugged, int oldBucket, int bucket, |
| long timeRemaining, boolean isPowerSaver) { |
| final boolean hybridWouldDismiss = mEnhancedEstimates.isHybridNotificationEnabled() |
| && timeRemaining > mEnhancedEstimates.getLowWarningThreshold(); |
| final boolean standardWouldDismiss = (bucket > oldBucket && bucket > 0); |
| return isPowerSaver |
| || plugged |
| || (standardWouldDismiss && (!mEnhancedEstimates.isHybridNotificationEnabled() |
| || hybridWouldDismiss)); |
| } |
| |
| private boolean isEnhancedTrigger(boolean plugged, long timeRemaining, boolean isPowerSaver, |
| int batteryStatus) { |
| if (plugged || isPowerSaver || batteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN) { |
| return false; |
| } |
| int warnLevel = mLowBatteryReminderLevels[0]; |
| int critLevel = mLowBatteryReminderLevels[1]; |
| |
| // Only show the low warning once per charge cycle |
| final boolean canShowWarning = !mLowWarningShownThisChargeCycle |
| && (timeRemaining < mEnhancedEstimates.getLowWarningThreshold() |
| || mBatteryLevel <= warnLevel); |
| |
| // Only show the severe warning once per charge cycle |
| final boolean canShowSevereWarning = !mSevereWarningShownThisChargeCycle |
| && (timeRemaining < mEnhancedEstimates.getSevereWarningThreshold() |
| || mBatteryLevel <= critLevel); |
| |
| return canShowWarning || canShowSevereWarning; |
| } |
| |
| private void initTemperatureWarning() { |
| ContentResolver resolver = mContext.getContentResolver(); |
| Resources resources = mContext.getResources(); |
| if (Settings.Global.getInt(resolver, Settings.Global.SHOW_TEMPERATURE_WARNING, |
| resources.getInteger(R.integer.config_showTemperatureWarning)) == 0) { |
| return; |
| } |
| |
| mThresholdTemp = Settings.Global.getFloat(resolver, Settings.Global.WARNING_TEMPERATURE, |
| resources.getInteger(R.integer.config_warningTemperature)); |
| |
| if (mThresholdTemp < 0f) { |
| // Get the shutdown temperature, adjust for warning tolerance. |
| float[] throttlingTemps = mHardwarePropertiesManager.getDeviceTemperatures( |
| HardwarePropertiesManager.DEVICE_TEMPERATURE_SKIN, |
| HardwarePropertiesManager.TEMPERATURE_SHUTDOWN); |
| if (throttlingTemps == null |
| || throttlingTemps.length == 0 |
| || throttlingTemps[0] == HardwarePropertiesManager.UNDEFINED_TEMPERATURE) { |
| return; |
| } |
| mThresholdTemp = throttlingTemps[0] - |
| resources.getInteger(R.integer.config_warningTemperatureTolerance); |
| } |
| |
| if (mThermalService == null) { |
| // Enable push notifications of throttling from vendor thermal |
| // management subsystem via thermalservice, in addition to our |
| // usual polling, to react to temperature jumps more quickly. |
| IBinder b = ServiceManager.getService("thermalservice"); |
| |
| if (b != null) { |
| mThermalService = IThermalService.Stub.asInterface(b); |
| try { |
| mThermalService.registerThermalEventListener( |
| new ThermalEventListener()); |
| } catch (RemoteException e) { |
| // Should never happen. |
| } |
| } else { |
| Slog.w(TAG, "cannot find thermalservice, no throttling push notifications"); |
| } |
| } |
| |
| setNextLogTime(); |
| |
| // This initialization method may be called on a configuration change. Only one set of |
| // ongoing callbacks should be occurring, so remove any now. updateTemperatureWarning will |
| // schedule an ongoing callback. |
| mHandler.removeCallbacks(mUpdateTempCallback); |
| |
| // We have passed all of the checks, start checking the temp |
| updateTemperatureWarning(); |
| } |
| |
| private void showThermalShutdownDialog() { |
| if (mPowerManager.getLastShutdownReason() |
| == PowerManager.SHUTDOWN_REASON_THERMAL_SHUTDOWN) { |
| mWarnings.showThermalShutdownWarning(); |
| } |
| } |
| |
| @VisibleForTesting |
| protected void updateTemperatureWarning() { |
| float[] temps = mHardwarePropertiesManager.getDeviceTemperatures( |
| HardwarePropertiesManager.DEVICE_TEMPERATURE_SKIN, |
| HardwarePropertiesManager.TEMPERATURE_CURRENT); |
| if (temps.length != 0) { |
| float temp = temps[0]; |
| mRecentTemps[mNumTemps++] = temp; |
| |
| StatusBar statusBar = getComponent(StatusBar.class); |
| if (statusBar != null && !statusBar.isDeviceInVrMode() |
| && temp >= mThresholdTemp) { |
| logAtTemperatureThreshold(temp); |
| mWarnings.showHighTemperatureWarning(); |
| } else { |
| mWarnings.dismissHighTemperatureWarning(); |
| } |
| } |
| |
| logTemperatureStats(); |
| |
| mHandler.postDelayed(mUpdateTempCallback, TEMPERATURE_INTERVAL); |
| } |
| |
| private void logAtTemperatureThreshold(float temp) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("currentTemp=").append(temp) |
| .append(",thresholdTemp=").append(mThresholdTemp) |
| .append(",batteryStatus=").append(mBatteryStatus) |
| .append(",recentTemps="); |
| for (int i = 0; i < mNumTemps; i++) { |
| sb.append(mRecentTemps[i]).append(','); |
| } |
| Slog.i(TAG, sb.toString()); |
| } |
| |
| /** |
| * Calculates and logs min, max, and average |
| * {@link HardwarePropertiesManager#DEVICE_TEMPERATURE_SKIN} over the past |
| * {@link #TEMPERATURE_LOGGING_INTERVAL}. |
| */ |
| private void logTemperatureStats() { |
| if (mNextLogTime > System.currentTimeMillis() && mNumTemps != MAX_RECENT_TEMPS) { |
| return; |
| } |
| |
| if (mNumTemps > 0) { |
| float sum = mRecentTemps[0], min = mRecentTemps[0], max = mRecentTemps[0]; |
| for (int i = 1; i < mNumTemps; i++) { |
| float temp = mRecentTemps[i]; |
| sum += temp; |
| if (temp > max) { |
| max = temp; |
| } |
| if (temp < min) { |
| min = temp; |
| } |
| } |
| |
| float avg = sum / mNumTemps; |
| Slog.i(TAG, "avg=" + avg + ",min=" + min + ",max=" + max); |
| MetricsLogger.histogram(mContext, "device_skin_temp_avg", (int) avg); |
| MetricsLogger.histogram(mContext, "device_skin_temp_min", (int) min); |
| MetricsLogger.histogram(mContext, "device_skin_temp_max", (int) max); |
| } |
| setNextLogTime(); |
| mNumTemps = 0; |
| } |
| |
| private void setNextLogTime() { |
| mNextLogTime = System.currentTimeMillis() + TEMPERATURE_LOGGING_INTERVAL; |
| } |
| |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.print("mLowBatteryAlertCloseLevel="); |
| pw.println(mLowBatteryAlertCloseLevel); |
| pw.print("mLowBatteryReminderLevels="); |
| pw.println(Arrays.toString(mLowBatteryReminderLevels)); |
| pw.print("mBatteryLevel="); |
| pw.println(Integer.toString(mBatteryLevel)); |
| pw.print("mBatteryStatus="); |
| pw.println(Integer.toString(mBatteryStatus)); |
| pw.print("mPlugType="); |
| pw.println(Integer.toString(mPlugType)); |
| pw.print("mInvalidCharger="); |
| pw.println(Integer.toString(mInvalidCharger)); |
| pw.print("mScreenOffTime="); |
| pw.print(mScreenOffTime); |
| if (mScreenOffTime >= 0) { |
| pw.print(" ("); |
| pw.print(SystemClock.elapsedRealtime() - mScreenOffTime); |
| pw.print(" ago)"); |
| } |
| pw.println(); |
| pw.print("soundTimeout="); |
| pw.println(Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.LOW_BATTERY_SOUND_TIMEOUT, 0)); |
| pw.print("bucket: "); |
| pw.println(Integer.toString(findBatteryLevelBucket(mBatteryLevel))); |
| pw.print("mThresholdTemp="); |
| pw.println(Float.toString(mThresholdTemp)); |
| pw.print("mNextLogTime="); |
| pw.println(Long.toString(mNextLogTime)); |
| mWarnings.dump(pw); |
| } |
| |
| public interface WarningsUI { |
| void update(int batteryLevel, int bucket, long screenOffTime); |
| void updateEstimate(Estimate estimate); |
| void updateThresholds(long lowThreshold, long severeThreshold); |
| void dismissLowBatteryWarning(); |
| void showLowBatteryWarning(boolean playSound); |
| void dismissInvalidChargerWarning(); |
| void showInvalidChargerWarning(); |
| void updateLowBatteryWarning(); |
| boolean isInvalidChargerWarningShowing(); |
| void dismissHighTemperatureWarning(); |
| void showHighTemperatureWarning(); |
| void showThermalShutdownWarning(); |
| void dump(PrintWriter pw); |
| void userSwitched(); |
| } |
| |
| // Thermal event received from vendor thermal management subsystem |
| private final class ThermalEventListener extends IThermalEventListener.Stub { |
| @Override public void notifyThrottling(boolean isThrottling, Temperature temp) { |
| // Trigger an update of the temperature warning. Only one |
| // callback can be enabled at a time, so remove any existing |
| // callback; updateTemperatureWarning will schedule another one. |
| mHandler.removeCallbacks(mUpdateTempCallback); |
| updateTemperatureWarning(); |
| } |
| } |
| } |
