我想在相机打开之前显示一条消息。
现在用户单击一个按钮,消息显示 1 秒钟,然后相机立即打开。关闭相机后,对话框仍然可见。
我希望只有在您单击警报消息上的“确定”后才能打开相机,并且一旦您关闭相机,就不再显示该消息。
//Button Picture
cameraBtn.setOnClickListener {
showDialog()
pb.visibility = View.VISIBLE
checkPermission(Manifest.permission.CAMERA,
CAMERA_PERMISSION_CODE)
startActivityForResult(receiptsViewModel.cameraIntent(requireActivity()),REQUEST_CODE_KAMERA)
}
fun showDialog() {
val dialogBuilder = AlertDialog.Builder(context)
dialogBuilder.setMessage("The message here")
dialogBuilder.setPositiveButton("Done",
DialogInterface.OnClickListener { dialog, whichButton -> })
val b = dialogBuilder.create()
b.show()
}
答案 0 :(得分:4)
您必须将您在 cameraBtn 上的内容实施到警报中
val dialogBuilder = AlertDialog.Builder(context)
dialogBuilder.setMessage("The message here")
dialogBuilder.setPositiveButton("Done"){dialogInterface, which ->
pb.visibility = View.VISIBLE
checkPermission(Manifest.permission.CAMERA,CAMERA_PERMISSION_CODE)
startActivityForResult(receiptsViewModel.cameraIntent(requireActivity()),REQUEST_CODE_KAMERA)
}
val b = dialogBuilder.create()
b.show()