Index: Application/src/main/java/com/example/android/camera2basic/Camera2BasicFragment.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- Application/src/main/java/com/example/android/camera2basic/Camera2BasicFragment.java	(revision c86f233c09af6b585820c66e712803b7ff502ef4)
+++ Application/src/main/java/com/example/android/camera2basic/Camera2BasicFragment.java	(revision )
@@ -43,6 +43,7 @@
 import android.hardware.camera2.params.StreamConfigurationMap;
 import android.media.Image;
 import android.media.ImageReader;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -852,6 +853,10 @@
             // Reset the auto-focus trigger
             mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER,
                     CameraMetadata.CONTROL_AF_TRIGGER_CANCEL);
+            if (android.os.Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+                mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER,
+                        CameraMetadata.CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL);
+            }
             setAutoFlash(mPreviewRequestBuilder);
             mCaptureSession.capture(mPreviewRequestBuilder.build(), mCaptureCallback,
                     mBackgroundHandler);