@ -47,6 +47,16 @@ class CameraActivity : AppCompatActivity(), SurfaceHolder.Callback, Camera.Previ
}
override fun onBackPressed() {
try {
mCamera.setPreviewCallback(null)
mCamera.stopPreview()
mCamera.release()
} catch (e: Exception) {
super.onBackPressed()
//翻转摄像机
fun cameraSwitch() {
cameraId = if (cameraId == 1) 0 else 1