修复内存泄漏问题

Author: BzCoder

.idea/misc.xml

@@ -23,7 +23,7 @@
  */
 public class SmartMediaPicker {
     private volatile static SmartMediaPicker instance;
-    private volatile static CameraDialogFragment cameraDialogFragment;
+    private CameraDialogFragment cameraDialogFragment;
     private FragmentManager manager;
     private MediaPickerConfig config;