Camera2:Fix crash on launch of camera after deleting camera folder.

- If video starts playing from camera and suddenly camera folder
is deleted from gallery, then crash is seen while launching camera.
- Film strip reload is not getting called for this case and trying to
  access old data from data adapter which is null.Added reload function
  if only camera preview is present and no other camera data.
CRs-Fixed: 567569

Change-Id: I9c6c7ebe63c553ccc68b985e00fa0ca722d77157

1 files changed, 4 insertions, 2 deletions

diff --git a/src/com/android/camera/ui/FilmStripView.java b/src/com/android/camera/ui/FilmStripView.java
index d2695b5a4..9945952ee 100644
--- a/src/com/android/camera/ui/FilmStripView.java
+++ b/src/com/android/camera/ui/FilmStripView.java
@@ -1844,7 +1844,7 @@ public class FilmStripView extends ViewGroup implements BottomControlsListener {
         // Check the current one.
         ViewItem curr = mViewItem[mCurrentItem];
         int dataId = curr.getId();
-        if (reporter.isDataRemoved(dataId)) {
+        if (reporter.isDataRemoved(dataId) || mDataAdapter.getTotalNumber() == 1) {
             reload();
             return;
         }
@@ -1920,7 +1920,9 @@ public class FilmStripView extends ViewGroup implements BottomControlsListener {
             if (v != mCameraView) {
                 removeView(v);
             }
-            mDataAdapter.getImageData(mViewItem[i].getId()).recycle();
+            if (mDataAdapter.getImageData(mViewItem[i].getId()) != null) {
+                mDataAdapter.getImageData(mViewItem[i].getId()).recycle();
+            }
         }
 
         // Clear out the mViewItems and rebuild with camera in the center.