From b333640501d4410d858ed0850c3752edb817ed6f Mon Sep 17 00:00:00 2001
From: Danesh M <daneshm90@gmail.com>
Date: Tue, 5 Apr 2016 10:39:46 -0700
Subject: Lockscreen : Fix bottom area visibility

NIGHTLIES-2754
CYNGNOS-2349

Change-Id: I93ebd95fb15effed83659fadb92f76bf37b39f37
---
 .../systemui/statusbar/phone/KeyguardBottomAreaView.java      | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
index 8ce84ba..5303377 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
@@ -129,6 +129,7 @@ public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickL
     private boolean mBottomAreaAttached;
     private final WindowManager.LayoutParams mWindowLayoutParams;
     private OnInterceptTouchEventListener mInterceptTouchListener;
+    private BroadcastReceiver mDevicePolicyReceiver;
 
     private final ServiceConnection mPrewarmConnection = new ServiceConnection() {
 
@@ -179,7 +180,7 @@ public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickL
     private void removeKeyguardBottomArea() {
         if (mBottomAreaAttached) {
             try {
-                mWindowManager.removeViewImmediate(this);
+                mWindowManager.removeView(this);
             } catch (IllegalArgumentException e) {
                 Log.e(TAG, e.getMessage());
             }
@@ -477,6 +478,7 @@ public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickL
     private void watchForCameraPolicyChanges() {
         final IntentFilter filter = new IntentFilter();
         filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED);
+        mDevicePolicyReceiver = new DevicePolicyBroadcastReceiver();
         getContext().registerReceiverAsUser(mDevicePolicyReceiver,
                 UserHandle.ALL, filter, null, null);
         KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallback);
@@ -774,7 +776,7 @@ public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickL
                 .setDuration(DOZE_ANIMATION_ELEMENT_DURATION);
     }
 
-    private final BroadcastReceiver mDevicePolicyReceiver = new BroadcastReceiver() {
+    private final class DevicePolicyBroadcastReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
             post(new Runnable() {
@@ -898,7 +900,10 @@ public class KeyguardBottomAreaView extends FrameLayout implements View.OnClickL
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
         mAccessibilityController.removeStateChangedCallback(this);
-        mContext.unregisterReceiver(mDevicePolicyReceiver);
+        if (mDevicePolicyReceiver != null) {
+            mContext.unregisterReceiver(mDevicePolicyReceiver);
+            mDevicePolicyReceiver = null;
+        }
         mShortcutHelper.cleanup();
         mUnlockMethodCache.removeListener(this);
     }
-- 
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