Fix 5117544: Fix crash in KeyguardStatusViewManager when resId==0

Change-Id: If870760f7dcafe02084af4c82db7dbb809c31c75

1 files changed, 6 insertions, 2 deletions

diff --git a/policy/src/com/android/internal/policy/impl/KeyguardStatusViewManager.java b/policy/src/com/android/internal/policy/impl/KeyguardStatusViewManager.java
index 7a14480..21a8c14 100644
--- a/policy/src/com/android/internal/policy/impl/KeyguardStatusViewManager.java
+++ b/policy/src/com/android/internal/policy/impl/KeyguardStatusViewManager.java
@@ -232,10 +232,14 @@ class KeyguardStatusViewManager implements OnClickListener {
      * @param resId resource id of the message
      */
     public void setCarrierHelpText(int resId) {
-        mCarrierHelpText = getContext().getText(resId);
+        mCarrierHelpText = getText(resId);
         update(CARRIER_HELP_TEXT, mCarrierHelpText);
     }
 
+    private CharSequence getText(int resId) {
+        return resId == 0 ? null : getContext().getText(resId);
+    }
+
     /**
      * Unlock help message.  This is typically for help with unlock widgets, e.g. "wrong password"
      * or "try again."
@@ -244,7 +248,7 @@ class KeyguardStatusViewManager implements OnClickListener {
      * @param lockIcon
      */
     public void setHelpMessage(int textResId, int lockIcon) {
-        mHelpMessageText = getContext().getString(textResId);
+        mHelpMessageText = getText(textResId).toString();
         update(HELP_MESSAGE_TEXT, mHelpMessageText);
     }