SystemUI: Avoid unnecessary keyguard indication controller recreation

This basically prevents us from running into situation where there are
two controllers running in the background.

Change-Id: I13781e3dd6cb3c2f75efad77fed214bae8d9be87

1 files changed, 6 insertions, 4 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 6a658b6ee047..3301d6907a25 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -304,10 +304,12 @@ public class KeyguardIndicationController {
             R.id.keyguard_indication_text_bottom);
         mInitialTextColorState = mTopIndicationView != null
                 ? mTopIndicationView.getTextColors() : ColorStateList.valueOf(Color.WHITE);
-        mRotateTextViewController = new KeyguardIndicationRotateTextViewController(
-            mLockScreenIndicationView,
-            mExecutor,
-            mStatusBarStateController);
+        if (mRotateTextViewController == null || !mRotateTextViewController.isAttachedToWindow()) {
+            mRotateTextViewController = new KeyguardIndicationRotateTextViewController(
+                mLockScreenIndicationView,
+                mExecutor,
+                mStatusBarStateController);
+        }
         updateDeviceEntryIndication(false /* animate */);
         updateOrganizedOwnedDevice();
         if (mBroadcastReceiver == null) {