keyguard

needs to be displayed: LockScreen or UnLockScreen stores a unique instance of the object to report the situation to the control interface. Path: frameworks \ base \ policy \ src \ com \ android \ internal \ policy \ impl \ KeyguardScreenCallback. java The source code is interpreted as follows: /** Within a keyguard, there may be several screens that need a callback * to the host keyguard view. */public int

permission requires a system signature, so we cannot get permission. Type_phone /** * Window type:phone. These are non-application windows providing * user interaction with the phone (in particular incoming). * These windows are normally placed above all applications, but behind * the status bar. * In multiuser systems shows to all users ' windows. * * Public static final int Type_phone = first_system_window+2; TYPE_PHONEThe type of window can be displayed on top of ot

/com/android/internal/policy/impl/keyguardviewmediator.javaOne of the variables in the file is defined as follows:[Java]View Plaincopy /** * External apps (like the phone app) can tell us to disable the Keygaurd. */ Private Boolean mexternallyenabled = true Mexternallyenabled is the key to managing whether a screen lock is turned on. The default is to open the screen lock, according to the note can know he is want the application to modify thisValue, we can change this

false.Sometimes we don't want to modify this initial value, so let's see if this class provides the corresponding method for external modification of this value. As we can't expect, let's look at the following code: [Java: showcolumns: firstline [1] View plaincopy ··· · 50 ······· · 90 ····· · 140 · 150 /** * Same semantics as {@ link windowmanagerpolicy # enablekeyguard}; Provide * A way for external stuff to override normal keyguard b

Lockscreen.java, and then the track, finally found the position that can set the lock screen function switch. The code is located at:Frameworks/policies/base/phone/com/android/internal/policy/impl/keyguardviewmediator.javaOne of the variables in the file is defined as follows:/*** External apps (like the phone app) can tell us to disable the Keygaurd.*/Private Boolean mexternallyenabled = true;Mexternallyenabled is the key to managing whether a screen lock is turned on. The default value is to

The state of the Keyguard, is the input restricted? * Input is restricted when the keyguard are showing, or when the Keyguard * were suppressed by a app that disabled the Keyguard or we haven ' t been provisioned yet. */Public Boolean isinputrestricted () { log.d (TAG, "jscese display mshowing = =" +

When an android alarm is triggered, press the power key to lock the screen. Two screen locks are played.Two locks are triggered because Keyguard is locked when the screen is hidden, and then keyguard is automatically unlocked because FLAG_DISMISS_KEYGUARD windowsParam is set in alarm activity, this is the design of Google AOSP, and there will be two sides to the phone of Google AOSP, so the suggestions do n

mmaximumscreenofftimeoutfromdeviceadmin;Return Math.max (timeout, minimum_screen_off_timeout), 2, remove the lock screen function./frameworks/base/packages/keyguard/src/com/android /keyguard/keyguardviewmediator.javaprivate Boolean mexternallyenabled = True to change the mexternallyenabled to false. But this just changed the boot default value, the user can still use Disablekeyguard/enablekeyguard to start

ringing incoming call .");} Else {Launchhomefromhotkey ();}} Else {Log. I (TAG, "ignoring home; event canceled .");}}}Return true;}// First we always handle the Home key here, So applications// Can never break it, although if keyguard is on, we do let// It handle it, because that gives us the correct 5 second// Timeout.If (code = keyevent. keycode_home ){// If a system window has focus, then it doesn't make sense// Right now to interact with applicat

1, please modify the Frameworks/base/policy/src/com/android/internal/policy/impl/keyguard/keyguardhostview.java, will In the Onfinishinflate () methodAdddefaultwidgets ();This line of code commented out;2. Please modify frameworks/base/policy/src/com/android/internal/policy/impl/keyguard/ Keyguardhostview.java, modify the mswitchpagerunnable to read as follows:Runnable mswitchpagerunnable = new Runnable ()