去除：进入 alps\frameworks\base\core\res\res\values\config.xml
frameworks/base/services/core/java/com/android/server/power/ShutdownThread.java
public static void rebootSafeMode(final Context context, boolean confirm) { UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); if (um.hasUserRestriction(UserManager.DISALLOW_SAFE_BOOT)) { return; }
mReboot = true; mRebootSafeMode = false;//true mRebootHasProgressBar = false; mReason = null; shutdownInner(context, confirm); }
WindowManagerService.java 【直接有效验证】
/frameworks/base/services/core/java/com/android/server/wm/WindowManagerService.java
public boolean detectSafeMode() { if (!mInputManagerCallback.waitForInputDevicesReady( INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS)) { ProtoLog.w(WM_ERROR, "Devices still not ready after waiting %d" + " milliseconds before attempting to detect safe mode.", INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS); }
if (Settings.Global.getInt( mContext.getContentResolver(), Settings.Global.SAFE_BOOT_DISALLOWED, 0) != 0) { return false; }
int menuState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, KeyEvent.KEYCODE_MENU); int sState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, KeyEvent.KEYCODE_S); int dpadState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_DPAD, KeyEvent.KEYCODE_DPAD_CENTER); int trackballState = mInputManager.getScanCodeState(-1, InputDevice.SOURCE_TRACKBALL, InputManagerService.BTN_MOUSE); int volumeDownState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, KeyEvent.KEYCODE_VOLUME_DOWN); mSafeMode = menuState > 0 || sState > 0 || dpadState > 0 || trackballState > 0 || volumeDownState > 0; try { if (SystemProperties.getInt(ShutdownThread.REBOOT_SAFEMODE_PROPERTY, 0) != 0 || SystemProperties.getInt(ShutdownThread.RO_SAFEMODE_PROPERTY, 0) != 0) { mSafeMode = true; SystemProperties.set(ShutdownThread.REBOOT_SAFEMODE_PROPERTY, ""); } } catch (IllegalArgumentException e) { } if (mSafeMode) { // May already be set if (for instance) this process has crashed if (SystemProperties.getInt(ShutdownThread.RO_SAFEMODE_PROPERTY, 0) == 0) { SystemProperties.set(ShutdownThread.RO_SAFEMODE_PROPERTY, "1"); } } else { ProtoLog.i(WM_ERROR, "SAFE MODE not enabled"); } mPolicy.setSafeMode(mSafeMode); return false;//mSafeMode }
@Override public boolean isSafeModeEnabled() { return false;//mSafeMode }
vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialogLite.java
删除重启进入安全模式：
@Override public boolean onLongPress() { mUiEventLogger.log(GlobalActionsEvent.GA_REBOOT_LONG_PRESS); /*/remove reboot safe mode if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_SAFE_BOOT)) { mWindowManagerFuncs.reboot(true); return true; } return false; /*/ mWindowManagerFuncs.reboot(false); return true; //*/ }
