Camera2: fix camera carsh when mPieRender is null

The autofocus maybe called before onCameraOpened, and mPieRender is
not initialize which lead to camera crash.

Check null when show focus ui.

CRs-Fixed: 712850

Change-Id: If3d51c8ea31f4a755e26fe4730e85428373e6446

1 files changed, 6 insertions, 3 deletions

diff --git a/src/com/android/camera/PhotoUI.java b/src/com/android/camera/PhotoUI.java
index 48458ba0a..ea346c3c6 100644
--- a/src/com/android/camera/PhotoUI.java
+++ b/src/com/android/camera/PhotoUI.java
@@ -896,17 +896,20 @@ public class PhotoUI implements PieListener,
 
     @Override
     public void onFocusStarted() {
-        getFocusIndicator().showStart();
+        FocusIndicator indicator = getFocusIndicator();
+        if (indicator != null) indicator.showStart();
     }
 
     @Override
     public void onFocusSucceeded(boolean timeout) {
-        getFocusIndicator().showSuccess(timeout);
+        FocusIndicator indicator = getFocusIndicator();
+        if (indicator != null) indicator.showSuccess(timeout);
     }
 
     @Override
     public void onFocusFailed(boolean timeout) {
-        getFocusIndicator().showFail(timeout);
+        FocusIndicator indicator = getFocusIndicator();
+        if (indicator != null) indicator.showFail(timeout);
     }
 
     @Override