Update CameraActivity.java

reformat and add comment

1 files changed, 6 insertions, 3 deletions

diff --git a/tensorflow/examples/android/src/org/tensorflow/demo/CameraActivity.java b/tensorflow/examples/android/src/org/tensorflow/demo/CameraActivity.java
index bd45e44537..b4de279c00 100644
--- a/tensorflow/examples/android/src/org/tensorflow/demo/CameraActivity.java
+++ b/tensorflow/examples/android/src/org/tensorflow/demo/CameraActivity.java
@@ -333,9 +333,12 @@ public abstract class CameraActivity extends Activity
           continue;
         }
 
-        useCamera2API = facing == CameraCharacteristics.LENS_FACING_EXTERNAL || 
-            isHardwareLevelSupported(characteristics,
-            CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
+        // Fallback to camera1 API for internal cameras that don't have full support.
+        // This should help with legacy situations where using the camera2 API causes
+        // distorted or otherwise broken previews.
+        useCamera2API = facing == CameraCharacteristics.LENS_FACING_EXTERNAL
+            || isHardwareLevelSupported(characteristics, 
+                                        CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
         LOGGER.i("Camera API lv2?: %s", useCamera2API);
         return cameraId;
       }