Merge "Prevent re-entrant calls to onPause" into tm-dev am: d39f0f7cfd am: afc8080c60

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19034153

Change-Id: I4e46ac00adc83f343d7d65e31ae35d4f5ecb6c85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/src/com/android/keyguard/KeyguardPasswordViewController.java

@@ -59,6 +59,7 @@ public class KeyguardPasswordViewController
     private final boolean mShowImeAtScreenOn;
     private EditText mPasswordEntry;
     private ImageView mSwitchImeButton;
+    private boolean mPaused;
 
     private final OnEditorActionListener mOnEditorActionListener = (v, actionId, event) -> {
         // Check if this was the result of hitting the enter key
@@ -202,6 +203,7 @@ public class KeyguardPasswordViewController
     @Override
     public void onResume(int reason) {
         super.onResume(reason);
+        mPaused = false;
         if (reason != KeyguardSecurityView.SCREEN_ON || mShowImeAtScreenOn) {
             showInput();
         }
@@ -223,6 +225,11 @@ public class KeyguardPasswordViewController
 
     @Override
     public void onPause() {
+        if (mPaused) {
+            return;
+        }
+        mPaused = true;
+
         if (!mPasswordEntry.isVisibleToUser()) {
             // Reset all states directly and then hide IME when the screen turned off.
             super.onPause();