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, fing