[Android]: When switching from back to front camera then it will cause a crash

D/Qt      ( 4359): (null):0 ((null)): FT_New_Face failed with index 0 : 90
W/Adreno-EGL( 4359): <qeglDrvAPI_eglSwapBuffers:3615>: EGL_BAD_CONTEXT
W/Qt      ( 4359): (null):0 ((null)): QEGLPlatformContext::swapBuffers(): eglError: 12294, this: 0xa26b2370 
W/Qt      ( 4359): 
D/Camera  ( 4359): app passed NULL surface
W/Camera-JNI( 4359): callback on dead camera object
W/Camera-JNI( 4359): callback on dead camera object
W/Camera-JNI( 4359): callback on dead camera object
W/Camera-JNI( 4359): callback on dead camera object
W/Qt      ( 4359): (null):0 ((null)): QThread: Destroyed while thread is still running
W/art     ( 4359): Native thread exiting without having called DetachCurrentThread (maybe it's going to use a pthread_key_create destructor?): Thread[19,tid=4422,Native,Thread*=0xaf64e400,peer=0x12ddf080,"QtThread"]
F/art     ( 4359): art/runtime/thread.cc:1019] Native thread exited without calling DetachCurrentThread: Thread[19,tid=4422,Native,Thread*=0xaf64e400,peer=0x12ddf080,"QtThread"]