为网站生成rss,如何改网站的内容,网址推荐网页设计素材,珠海做企业网站屏幕超时休眠-Android13 1、设置界面1.2 属性值1.2.1 默认值1.2.2 最小值限制 1.3 属性值疑问 Settings.System.SCREEN_OFF_TIMEOUT 2、超时灭屏2.1 锁定屏幕的超时2.2 屏幕灭屏的超时 3、永不休眠* 关键日志 1、设置界面 packages/apps/Settings/src/com/android/settings/dis… 屏幕超时休眠-Android13 1、设置界面1.2 属性值1.2.1 默认值1.2.2 最小值限制 1.3 属性值疑问 Settings.System.SCREEN_OFF_TIMEOUT 2、超时灭屏2.1 锁定屏幕的超时2.2 屏幕灭屏的超时 3、永不休眠* 关键日志 1、设置界面 packages/apps/Settings/src/com/android/settings/display/ScreenTimeoutSettings.java packages/apps/Settings/res/xml/screen_timeout_settings.xml
12-16 12:13:54.707 7976 7976 D SettingsActivity: Switching to fragment com.android.settings.display.ScreenTimeoutSettings1.2 属性值
Settings.System.SCREEN_OFF_TIMEOUT
adb shell settings get System screen_off_timeoutpackages/apps/Settings/res/values/arrays.xml !-- Display settings. The delay in inactivity before the screen is turned off. These are shown in a list dialog. --string-array namescreen_timeout_entriesitem15 seconds/itemitem30 seconds/itemitem1 minute/itemitem2 minutes/itemitem5 minutes/itemitem10 minutes/itemitem30 minutes/item/string-array!-- Do not translate. --string-array namescreen_timeout_values translatablefalse!-- Do not translate. --item15000/item!-- Do not translate. --item30000/item!-- Do not translate. --item60000/item!-- Do not translate. --item120000/item!-- Do not translate. --item300000/item!-- Do not translate. --item600000/item!-- Do not translate. --item1800000/item/string-array1.2.1 默认值 def_screen_off_timeout : frameworks/base/packages/SettingsProvider/res/values/defaults.xml frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java private void loadSystemSettings(SQLiteDatabase db) {SQLiteStatement stmt null;try {stmt db.compileStatement(INSERT OR IGNORE INTO system(name,value) VALUES(?,?););loadBooleanSetting(stmt, Settings.System.DIM_SCREEN,R.bool.def_dim_screen);loadIntegerSetting(stmt, Settings.System.SCREEN_OFF_TIMEOUT,R.integer.def_screen_off_timeout);// Set default cdma DTMF typeloadSetting(stmt, Settings.System.DTMF_TONE_TYPE_WHEN_DIALING, 0);// Set default hearing aidloadSetting(stmt, Settings.System.HEARING_AID, 0);// Set default tty modeloadSetting(stmt, Settings.System.TTY_MODE, 0);loadIntegerSetting(stmt, Settings.System.SCREEN_BRIGHTNESS,R.integer.def_screen_brightness);loadIntegerSetting(stmt, Settings.System.SCREEN_BRIGHTNESS_FOR_VR,com.android.internal.R.integer.config_screenBrightnessForVrSettingDefault);loadBooleanSetting(stmt, Settings.System.SCREEN_BRIGHTNESS_MODE,R.bool.def_screen_brightness_automatic_mode);loadBooleanSetting(stmt, Settings.System.ACCELEROMETER_ROTATION,R.bool.def_accelerometer_rotation);loadIntegerSetting(stmt, Settings.System.USER_ROTATION, R.integer.def_user_rotation);loadDefaultHapticSettings(stmt);loadBooleanSetting(stmt, Settings.System.NOTIFICATION_LIGHT_PULSE,R.bool.def_notification_pulse);loadUISoundEffectsSettings(stmt);loadIntegerSetting(stmt, Settings.System.POINTER_SPEED,R.integer.def_pointer_speed);/** IMPORTANT: Do not add any more upgrade steps here as the global,* secure, and system settings are no longer stored in a database* but are kept in memory and persisted to XML.** See: SettingsProvider.UpgradeController#onUpgradeLocked*/} finally {if (stmt ! null) stmt.close();}}frameworks/base/packages/SettingsProvider/res/values/defaults.xml
integer namedef_screen_off_timeout60000/integer1.2.2 最小值限制
frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java
mMinimumScreenOffTimeoutConfig resources.getInteger(com.android.internal.R.integer.config_minimumScreenOffTimeout);
Math.max(timeout, mMinimumScreenOffTimeoutConfig);1.3 属性值疑问 Settings.System.SCREEN_OFF_TIMEOUT 在设置屏幕超时代码代码中最大值可以为“Long.MAX_VALUE”属性设置Settings.System.putLong(context.getContentResolver(), SCREEN_OFF_TIMEOUT, value);但是实质最大值只能是Integer.MAX_VALUE2147483647该属性实质在fwk中是Integer保存获取方式mScreenOffTimeoutSetting Settings.System.getIntForUser(resolver, Settings.System.SCREEN_OFF_TIMEOUT, DEFAULT_SCREEN_OFF_TIMEOUT, UserHandle.USER_CURRENT); frameworks/base/packages/SettingsProvider/src/android/provider/settings/validators/SettingsValidators.java 中 NON_NEGATIVE_INTEGER_VALIDATOR 检查非法值 private Long getMaxScreenTimeout(Context context) {if (context null) {return Long.MAX_VALUE;}final DevicePolicyManager dpm context.getSystemService(DevicePolicyManager.class);if (dpm null) {return Long.MAX_VALUE;}mAdmin RestrictedLockUtilsInternal.checkIfMaximumTimeToLockIsSet(context);if (mAdmin ! null) {return dpm.getMaximumTimeToLock(null /* admin */, UserHandle.myUserId());}return Long.MAX_VALUE;}private String getCurrentSystemScreenTimeout(Context context) {if (context null) {return Long.toString(FALLBACK_SCREEN_TIMEOUT_VALUE);} else {return Long.toString(Settings.System.getLong(context.getContentResolver(),SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE));}}private void setCurrentSystemScreenTimeout(Context context, String key) {try {if (context ! null) {final long value Long.parseLong(key);mMetricsFeatureProvider.action(context, SettingsEnums.ACTION_SCREEN_TIMEOUT_CHANGED,(int) value);Settings.System.putLong(context.getContentResolver(), SCREEN_OFF_TIMEOUT, value);}} catch (NumberFormatException e) {Log.e(TAG, could not persist screen timeout setting, e);}}2、超时灭屏
2.1 锁定屏幕的超时 更新延时 mLockScreenTimeout 执行 mScreenLockTimeout frameworks/base/services/core/java/com/android/server/policy/PhoneWindowManager.java
mLockScreenTimeout Settings.System.getIntForUser(resolver,Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);class ScreenLockTimeout implements Runnable {Bundle options;Overridepublic void run() {synchronized (this) {if (localLOGV) Log.v(TAG, mScreenLockTimeout activating keyguard);if (mKeyguardDelegate ! null) {mKeyguardDelegate.doKeyguardTimeout(options);}mLockScreenTimerActive false;mLockNowPending false;options null;}}public void setLockOptions(Bundle options) {this.options options;}}2.2 屏幕灭屏的超时 updateUserActivitySummaryLocked更新mUserActivitySummary的值用户活动超时时调用updateUserActivitySummaryLocked这里获取getScreenOffTimeoutLocked状态更新 frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java
mScreenOffTimeoutSetting Settings.System.getIntForUser(resolver, Settings.System.SCREEN_OFF_TIMEOUT, DEFAULT_SCREEN_OFF_TIMEOUT, UserHandle.USER_CURRENT);GuardedBy(mLock)private long getScreenOffTimeoutLocked(long sleepTimeout, long attentiveTimeout) {long timeout mScreenOffTimeoutSetting;if (isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) {timeout Math.min(timeout, mMaximumScreenOffTimeoutFromDeviceAdmin);}if (mUserActivityTimeoutOverrideFromWindowManager 0) {timeout Math.min(timeout, mUserActivityTimeoutOverrideFromWindowManager);}if (sleepTimeout 0) {timeout Math.min(timeout, sleepTimeout);}if (attentiveTimeout 0) {timeout Math.min(timeout, attentiveTimeout);}return Math.max(timeout, mMinimumScreenOffTimeoutConfig);}private void handleUserActivityTimeout() { // runs on handler threadsynchronized (mLock) {if (DEBUG_SPEW) {Slog.d(TAG, handleUserActivityTimeout);}mDirty | DIRTY_USER_ACTIVITY;updatePowerStateLocked();}}/*** Updates the value of mUserActivitySummary to summarize the user requested* state of the system such as whether the screen should be bright or dim.* Note that user activity is ignored when the system is asleep.** This function must have no other side-effects.*/GuardedBy(mLock)private void updateUserActivitySummaryLocked(long now, int dirty) {// Update the status of the user activity timeout timer.if ((dirty (DIRTY_DISPLAY_GROUP_WAKEFULNESS | DIRTY_WAKE_LOCKS | DIRTY_USER_ACTIVITY| DIRTY_WAKEFULNESS | DIRTY_SETTINGS | DIRTY_ATTENTIVE)) 0) {return;}mHandler.removeMessages(MSG_USER_ACTIVITY_TIMEOUT);final long attentiveTimeout getAttentiveTimeoutLocked();final long sleepTimeout getSleepTimeoutLocked(attentiveTimeout);long screenOffTimeout getScreenOffTimeoutLocked(sleepTimeout,attentiveTimeout);final long screenDimDuration getScreenDimDurationLocked(screenOffTimeout);screenOffTimeout getScreenOffTimeoutWithFaceDownLocked(screenOffTimeout, screenDimDuration);final boolean userInactiveOverride mUserInactiveOverrideFromWindowManager;long nextTimeout -1;boolean hasUserActivitySummary false;for (int idx 0; idx mPowerGroups.size(); idx) {int groupUserActivitySummary 0;long groupNextTimeout 0;final PowerGroup powerGroup mPowerGroups.valueAt(idx);final int wakefulness powerGroup.getWakefulnessLocked();if (wakefulness ! WAKEFULNESS_ASLEEP) {final long lastUserActivityTime powerGroup.getLastUserActivityTimeLocked();final long lastUserActivityTimeNoChangeLights powerGroup.getLastUserActivityTimeNoChangeLightsLocked();if (lastUserActivityTime powerGroup.getLastWakeTimeLocked()) {groupNextTimeout lastUserActivityTime screenOffTimeout - screenDimDuration;if (now groupNextTimeout) {groupUserActivitySummary USER_ACTIVITY_SCREEN_BRIGHT;} else {groupNextTimeout lastUserActivityTime screenOffTimeout;if (now groupNextTimeout) {groupUserActivitySummary USER_ACTIVITY_SCREEN_DIM;}}}if (groupUserActivitySummary 0 lastUserActivityTimeNoChangeLights powerGroup.getLastWakeTimeLocked()) {groupNextTimeout lastUserActivityTimeNoChangeLights screenOffTimeout;if (now groupNextTimeout) {if (powerGroup.isPolicyBrightLocked() || powerGroup.isPolicyVrLocked()) {groupUserActivitySummary USER_ACTIVITY_SCREEN_BRIGHT;} else if (powerGroup.isPolicyDimLocked()) {groupUserActivitySummary USER_ACTIVITY_SCREEN_DIM;}}}if (groupUserActivitySummary 0) {if (sleepTimeout 0) {final long anyUserActivity Math.max(lastUserActivityTime,lastUserActivityTimeNoChangeLights);if (anyUserActivity powerGroup.getLastWakeTimeLocked()) {groupNextTimeout anyUserActivity sleepTimeout;if (now groupNextTimeout) {groupUserActivitySummary USER_ACTIVITY_SCREEN_DREAM;}}} else {groupUserActivitySummary USER_ACTIVITY_SCREEN_DREAM;groupNextTimeout -1;}}if (groupUserActivitySummary ! USER_ACTIVITY_SCREEN_DREAM userInactiveOverride) {if ((groupUserActivitySummary (USER_ACTIVITY_SCREEN_BRIGHT | USER_ACTIVITY_SCREEN_DIM)) ! 0) {// Device is being kept awake by recent user activityif (mOverriddenTimeout -1) {// Save when the next timeout would have occurredmOverriddenTimeout groupNextTimeout;}}groupUserActivitySummary USER_ACTIVITY_SCREEN_DREAM;groupNextTimeout -1;}if ((groupUserActivitySummary USER_ACTIVITY_SCREEN_BRIGHT) ! 0 (powerGroup.getWakeLockSummaryLocked() WAKE_LOCK_STAY_AWAKE) 0) {groupNextTimeout mAttentionDetector.updateUserActivity(groupNextTimeout,screenDimDuration);}if (isAttentiveTimeoutExpired(powerGroup, now)) {groupUserActivitySummary 0;groupNextTimeout -1;}hasUserActivitySummary | groupUserActivitySummary ! 0;if (nextTimeout -1) {nextTimeout groupNextTimeout;} else if (groupNextTimeout ! -1) {nextTimeout Math.min(nextTimeout, groupNextTimeout);}}powerGroup.setUserActivitySummaryLocked(groupUserActivitySummary);if (DEBUG_SPEW) {Slog.d(TAG, updateUserActivitySummaryLocked: groupId powerGroup.getGroupId() , mWakefulness wakefulnessToString(wakefulness) , mUserActivitySummary0x Integer.toHexString(groupUserActivitySummary) , nextTimeout TimeUtils.formatUptime(groupNextTimeout));}}final long nextProfileTimeout getNextProfileTimeoutLocked(now);if (nextProfileTimeout 0) {nextTimeout Math.min(nextTimeout, nextProfileTimeout);}if (hasUserActivitySummary nextTimeout 0) {scheduleUserInactivityTimeout(nextTimeout);}}private void scheduleUserInactivityTimeout(long timeMs) {final Message msg mHandler.obtainMessage(MSG_USER_ACTIVITY_TIMEOUT);msg.setAsynchronous(true);mHandler.sendMessageAtTime(msg, timeMs);}3、永不休眠 在 PowerManagerService 和 PhoneWindowManager 处理 直接配置 Settings.System.SCREEN_OFF_TIMEOUT 为Integer.MAX_VALUE 2147483647 24.855 天 一般没有这么长时间亮屏待机 设置更长时间替换 Settings.System.SCREEN_OFF_TIMEOUT属性 VALIDATORS.put(System.SCREEN_OFF_TIMEOUT, NON_NEGATIVE_INTEGER_VALIDATOR) 中NON_NEGATIVE_INTEGER_VALIDATOR检测为NONE_NEGATIVE_LONG_VALIDATOR
* 关键日志
SettingsActivity:|SubSettings: Launching fragment|start u|ScreenTimeout:|sysui_multi_action: \[757,1754|screen_toggled:|sysui_multi_action:.*screen_timeout|power_screen_state:|PowerManagerService: Waking up|PowerManagerService: Going to sleepsysui_multi_action: [757,1754,758,4,759,15000] sysui_multi_action: [757,1754,758,4,759,30000] sysui_multi_action: [757,1754,758,4,759,60000] sysui_multi_action: [757,1754,758,4,759,120000] sysui_multi_action: [757,1754,758,4,759,300000] sysui_multi_action: [757,1754,758,4,759,600000] sysui_multi_action: [757,1754,758,4,759,1800000] 12-17 07:13:37.536 645 678 I ActivityTaskManager: START u0 {actandroid.intent.action.MAIN cat[android.intent.category.HOME] flg0x10000100 cmpcom.google.android.apps.nexuslauncher/.NexusLauncherActivity (has extras)} from uid 0
12-17 07:13:40.128 645 2427 I ActivityTaskManager: START u0 {actandroid.intent.action.MAIN cat[android.intent.category.LAUNCHER] flg0x10200000 cmpcom.android.settings/.Settings bnds[581,351][858,771]} from uid 10149
12-17 07:13:46.309 645 2510 I ActivityTaskManager: START u0 {actandroid.intent.action.MAIN cmpcom.android.settings/.SubSettings (has extras)} from uid 1000
12-17 07:13:46.408 7976 7976 D SettingsActivity: Switching to fragment com.android.settings.DisplaySettings
12-17 07:13:46.409 7976 7976 D SubSettings: Launching fragment com.android.settings.DisplaySettings
12-17 07:13:48.942 7976 7976 I sysui_multi_action: [757,830,758,4,833,0,854,screen_timeout,1089,0]
12-17 07:13:48.948 645 1716 I ActivityTaskManager: START u0 {actandroid.intent.action.MAIN cmpcom.android.settings/.SubSettings (has extras)} from uid 1000
12-17 07:13:49.036 7976 7976 D SettingsActivity: Switching to fragment com.android.settings.display.ScreenTimeoutSettings
12-17 07:13:49.037 7976 7976 D SubSettings: Launching fragment com.android.settings.display.ScreenTimeoutSettings
12-17 07:13:50.690 7976 7976 I sysui_multi_action: [757,1754,758,4,759,15000]
12-17 07:13:52.884 7976 7976 I sysui_multi_action: [757,1754,758,4,759,30000]
12-17 07:13:54.152 7976 7976 I sysui_multi_action: [757,1754,758,4,759,60000]
12-17 07:13:55.559 7976 7976 I sysui_multi_action: [757,1754,758,4,759,120000]
12-17 07:13:57.041 7976 7976 I sysui_multi_action: [757,1754,758,4,759,300000]
12-17 07:13:58.400 7976 7976 I sysui_multi_action: [757,1754,758,4,759,600000]
12-17 07:13:59.653 7976 7976 I sysui_multi_action: [757,1754,758,4,759,1800000]
12-17 07:14:01.446 7976 7976 I sysui_multi_action: [757,1754,758,4,759,15000]
12-17 07:14:16.400 645 708 I PowerManagerService: Going to sleep due to timeout (uid 1000)...
12-17 07:14:17.032 645 645 I power_screen_state: [0,3,0,0,628]
12-17 07:14:17.032 645 645 I screen_toggled: 0
12-17 07:14:17.032 645 645 I sysui_multi_action: [757,804,799,screen_timeout,801,15,802,1]
12-17 07:14:28.765 645 793 I PowerManagerService: Waking up from Asleep (uid1000, reasonWAKE_REASON_POWER_BUTTON, detailsandroid.policy:POWER)...
12-17 07:14:28.770 645 645 I screen_toggled: 1
12-17 07:14:28.905 645 645 I power_screen_state: [1,0,0,0,110]
