Disable security view transitions in keyguard

Now that we have a single stage unlock, there's no need for the transition. This
was causing unnecessary flickering to happen in views where we add the security view
just after inflation, which triggers the animation.

Fixes bug 7343632

Change-Id: I5bb8e37df66e4d96f00719e318424d46bf0e2e5a

Author: Jim Miller

policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java

@@ -162,7 +162,7 @@ protected void onFinishInflate() {
         addDefaultWidgets();
         updateSecurityViews();
         setSystemUiVisibility(getSystemUiVisibility() | View.STATUS_BAR_DISABLE_BACK);
-        
+
         if (KeyguardUpdateMonitor.getInstance(mContext).getIsFirstBoot()) {
             showPrimarySecurityScreen(false);
         }
@@ -425,7 +425,7 @@ void showPrimarySecurityScreen(boolean turningOff) {
         }
         showSecurityScreen(securityMode);
     }
-    
+
     /**
      * Shows the backup security screen for the current security mode.  This could be used for
      * password recovery screens but is currently only used for pattern unlock to show the
@@ -493,7 +493,7 @@ private void showNextSecurityScreenOrFinish(boolean authenticated) {
             // enabled because the user has left keyguard.
             KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(true);
             KeyguardUpdateMonitor.getInstance(mContext).setIsFirstBoot(false);
-            
+
             // If there's a pending runnable because the user interacted with a widget
             // and we're leaving keyguard, then run it.
             if (mLaunchRunnable != null) {
@@ -597,7 +597,7 @@ private KeyguardSecurityView getSecurityView(SecurityMode securityMode) {
             View carrierText = selectorView.findViewById(R.id.keyguard_selector_fade_container);
             selectorView.setCarrierArea(carrierText);
         }
-        
+
         return view;
     }
 
@@ -608,8 +608,8 @@ private KeyguardSecurityView getSecurityView(SecurityMode securityMode) {
      * @param securityMode
      */
     private void showSecurityScreen(SecurityMode securityMode) {
-        if (DEBUG) Log.d(TAG, "showSecurityScreen");
-        
+        if (DEBUG) Log.d(TAG, "showSecurityScreen(" + securityMode + ")");
+
         if (securityMode == mCurrentSecuritySelection) return;
 
         KeyguardSecurityView oldView = getSecurityView(mCurrentSecuritySelection);
@@ -628,10 +628,12 @@ private void showSecurityScreen(SecurityMode securityMode) {
         final int childCount = mSecurityViewContainer.getChildCount();
 
         // Do flip animation to the next screen
-        mSecurityViewContainer.setInAnimation(
-                AnimationUtils.loadAnimation(mContext, R.anim.keyguard_security_animate_in));
-        mSecurityViewContainer.setOutAnimation(
-                AnimationUtils.loadAnimation(mContext, R.anim.keyguard_security_animate_out));
+        if (false) {
+            mSecurityViewContainer.setInAnimation(
+                    AnimationUtils.loadAnimation(mContext, R.anim.keyguard_security_animate_in));
+            mSecurityViewContainer.setOutAnimation(
+                    AnimationUtils.loadAnimation(mContext, R.anim.keyguard_security_animate_out));
+        }
         final int securityViewIdForMode = getSecurityViewIdForMode(securityMode);
         for (int i = 0; i < childCount; i++) {
             if (mSecurityViewContainer.getChildAt(i).getId() == securityViewIdForMode) {
@@ -640,11 +642,10 @@ private void showSecurityScreen(SecurityMode securityMode) {
             }
         }
 
-
         if (securityMode == SecurityMode.None) {
             // Discard current runnable if we're switching back to the selector view
             setOnDismissRunnable(null);
-        } 
+        }
         mCurrentSecuritySelection = securityMode;
     }
 
@@ -809,7 +810,7 @@ public void onPlayStateChanged() {
             });
         }
 
-        mKeyguardStatusViewManager = ((KeyguardStatusView) 
+        mKeyguardStatusViewManager = ((KeyguardStatusView)
                 findViewById(R.id.keyguard_status_view_face_palm)).getManager();
 
     }