SystemUI KeyguardBouncer的加载

不积跬步无以至千里

Bouncer界面就是安全解锁界面,绘制在statusbar的window上.
一.keyguardbouncer在statusbar布局上添加,移除:
1.code/app/src/com/android/systemui/statusbar/phone/StatusBar.java

protected void startKeyguard() {
...
mStatusBarKeyguardViewManager = keyguardViewMediator.registerStatusBar(this,getBouncerContainer(), mScrimController,mFingerprintUnlockController);
...
}
...
//StatusBar的布局
protected ViewGroup getBouncerContainer() {return mStatusBarWindow;}

2.code/app/src/com/android/systemui/keyguard/KeyguardViewMediator.java

public StatusBarKeyguardViewManager registerStatusBar(StatusBar statusBar,ViewGroup container,ScrimController scrimController,FingerprintUnlockController fingerprintUnlockController) {mStatusBarKeyguardViewManager.registerStatusBar(statusBar, container,scrimController, fingerprintUnlockController,mDismissCallbackRegistry);return mStatusBarKeyguardViewManager;}

code/app/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java

public void registerStatusBar(StatusBar statusBar,ViewGroup container,ScrimController scrimController,FingerprintUnlockController fingerprintUnlockController,DismissCallbackRegistry dismissCallbackRegistry) {mStatusBar = statusBar;mContainer = container;mScrimController = scrimController;mFingerprintUnlockController = fingerprintUnlockController;mBouncer = SystemUIFactory.getInstance().createKeyguardBouncer(mContext,mViewMediatorCallback, mLockPatternUtils, container, dismissCallbackRegistry);}

code/app/src/com/android/systemui/SystemUIFactory.java

public KeyguardBouncer createKeyguardBouncer(Context context, ViewMediatorCallback callback,LockPatternUtils lockPatternUtils,ViewGroup container, DismissCallbackRegistry dismissCallbackRegistry) {return new KeyguardBouncer(context, callback, lockPatternUtils, container,dismissCallbackRegistry);}

code/app/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
mContainer就是传过来的mStatusBarWindow布局,通过addView与removeView添加与删除

//添加
protected void inflateView() {
...
mContainer.addView(mRoot, mContainer.getChildCount());
...
}
//移除
private final Runnable mRemoveViewRunnable = this::removeView;
protected void removeView() {if (mRoot != null && mRoot.getParent() == mContainer) {mContainer.removeView(mRoot);mRoot = null;}}
public void hide(boolean destroyView) {..mHandler.postDelayed(mRemoveViewRunnable, 50);...
}

二.其中布局整体加载如下:
super_status_bar 动态加载 keyguardbouncer > keyguard_host_view > view_flipper > 动态加载 > 5种不同密码盘布局

三.根据不同的安全模式加载不同的密码盘

1.初始化时
code/app/src/com/android/keyguardKeyguardHostView.java

@Overrideprotected void onFinishInflate() {...mSecurityContainer.showPrimarySecurityScreen(false);...}

2.获取当前用户的安全解锁的密码模式
code/app/src/com/android/keyguard/KeyguardSecurityContainer.java

void showPrimarySecurityScreen(boolean turningOff) {SecurityMode securityMode = mSecurityModel.getSecurityMode(KeyguardUpdateMonitor.getCurrentUser());if (DEBUG) Log.v(TAG, "showPrimarySecurityScreen(turningOff=" + turningOff + ")");showSecurityScreen(securityMode);}

3.获取到当前安全解锁的密码id并获取其布局,然后动态addView
code/app/src/com/android/keyguard/KeyguardSecurityContainer.java

private void showSecurityScreen(SecurityMode securityMode) {...KeyguardSecurityView oldView = getSecurityView(mCurrentSecuritySelection);KeyguardSecurityView newView = getSecurityView(securityMode);}private KeyguardSecurityView getSecurityView(SecurityMode securityMode) {final int securityViewIdForMode = getSecurityViewIdForMode(securityMode);KeyguardSecurityView view = null;final int children = mSecurityViewFlipper.getChildCount();for (int child = 0; child < children; child++) {if (mSecurityViewFlipper.getChildAt(child).getId() == securityViewIdForMode) {view = ((KeyguardSecurityView)mSecurityViewFlipper.getChildAt(child));break;}}int layoutId = getLayoutIdFor(securityMode);if (view == null && layoutId != 0) {final LayoutInflater inflater = LayoutInflater.from(mContext);if (DEBUG) Log.v(TAG, "inflating id = " + layoutId);View v = inflater.inflate(layoutId, mSecurityViewFlipper, false);mSecurityViewFlipper.addView(v);updateSecurityView(v);view = (KeyguardSecurityView)v;}return view;}private int getSecurityViewIdForMode(SecurityMode securityMode) {switch (securityMode) {case Pattern: return R.id.keyguard_pattern_view;//wangdy add for 4 or 6 num unlock_2019-07-19[start]case FourNum: return R.id.ssui_keyguard_four_num_pin_view;case SixNum: return R.id.ssui_keyguard_six_num_pin_view;//wangdy add for 4 or 6 num unlock_2019-07-19[end]case PIN: return R.id.keyguard_pin_view;case Password: return R.id.keyguard_password_view;case SimPin: return R.id.keyguard_sim_pin_view;case SimPuk: return R.id.keyguard_sim_puk_view;}return 0;}public int getLayoutIdFor(SecurityMode securityMode) {switch (securityMode) {case Pattern: return R.layout.keyguard_pattern_view;//wangdy add for 4 or 6 num unlock_2019-07-19[start]case SixNum: return R.layout.ssui_keyguard_six_num_pin_view;case FourNum: return R.layout.ssui_keyguard_four_num_pin_view;//wangdy add for 4 or 6 num unlock_2019-07-19[end]case PIN: return R.layout.keyguard_pin_view;case Password: return R.layout.keyguard_password_view;case SimPin: return R.layout.keyguard_sim_pin_view;case SimPuk: return R.layout.keyguard_sim_puk_view;default:return 0;}}

其它:
如果需要添加其它的解锁方式,需要平台或者设置配合联调,可以在这里进行添加并获取新的密码解锁模式

SecurityMode getSecurityMode(int userId) {KeyguardUpdateMonitor monitor = KeyguardUpdateMonitor.getInstance(mContext);if (SubscriptionManager.isValidSubscriptionId(monitor.getNextSubIdForState(IccCardConstants.State.PIN_REQUIRED))) {return SecurityMode.SimPin;}if (mIsPukScreenAvailable && SubscriptionManager.isValidSubscriptionId(monitor.getNextSubIdForState(IccCardConstants.State.PUK_REQUIRED))) {return SecurityMode.SimPuk;}final int security = mLockPatternUtils.getActivePasswordQuality(userId);switch (security) {case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX://wangdy modify for 4 or 6 num unlock_2019-07-19[start]/*return SecurityMode.PIN;*/
//                final int fourandsixModel = SystemProperties.getInt("fourandsix", 0);final int fourandsixModel = Settings.Secure.getInt(mContext.getContentResolver(),"ss_lock_number_of_password", 0);android.util.Log.i("KeyguardSecurityModel", "fourandsix.type:" + fourandsixModel);if (fourandsixModel == 4) {return SecurityMode.FourNum;} else if (fourandsixModel == 6) {return SecurityMode.SixNum;} else {return SecurityMode.PIN;}//wangdy add for 4 or 6 num unlock_2019-07-19[end]case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:case DevicePolicyManager.PASSWORD_QUALITY_MANAGED:return SecurityMode.Password;case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:return SecurityMode.Pattern;case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED:return SecurityMode.None;default:throw new IllegalStateException("Unknown security quality:" + security);}}

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SystemUI KeyguardBouncer的加载

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