我正在尝试在编辑时更新数据库。我有一个单击侦听器，用于检查表单输入中的数据是否是来自编辑请求的新数据或自变量，并且工作正常。
click事件有效，但在我填充时数据库上的更新不起作用。
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
arguments?.let {
contact = ContactEntity(
it.getString( "fName").toString(),
it.getString( "lName").toString(),
R.drawable.maleavatar,
it.getString( "email").toString(),
it.getString( "phone").toString(),
it.getString( "address").toString()
)
contact?.let { view ->
editFirstName.setText(view.firstName)
editLastName.setText(view.lastName)
view.image
editEmail.setText(view.email)
editPhone.setText(view.phone)
editAddress.setText(view.address)
}
}
ToastHelper(context!!, "onAct: $contact")
nav_back_reg.setOnClickListener {
val backIntent = Intent(context, MainActivity::class.java)
startActivity(backIntent)
}
submitBtn.setOnClickListener {
val firstName = editFirstName.text.toString()
val lastName = editLastName.text.toString()
val email = editEmail.text.toString()
val phone = editPhone.text.toString()
val address = editAddress.text.toString()
if(TextUtils.isEmpty(firstName)) {
editFirstName.error = "First name is required"
return@setOnClickListener
}
if(lastName.isEmpty() ) {
editLastName.error = "Last name is required"
return@setOnClickListener
}
if(phone.isEmpty()){
editPhone.error = "Phone number is required"
return@setOnClickListener
}
context?.let {
val newContact = ContactEntity(
firstName,
lastName,
R.drawable.maleavatar,
phone,
email,
address
)
if(contact == null){
MyDatabase(it).getContactDao().add(newContact)
ToastHelper(it, "contact saved")
}
else{
newContact.id = contact!!.id
MyDatabase(it).getContactDao().updateContact(newContact)
ToastHelper(it, "contact updated")
}
val intent = Intent(it, MainActivity::class.java)
startActivity(intent)
}
}
}
@Dao
interface ContactDao {
@Query("SELECT * FROM contactentity ORDER BY id ASC")
fun getAllContacts():List<ContactEntity>
@Insert
fun add(contact: ContactEntity)
@Update
fun updateContact(contact: ContactEntity)
@Delete
fun delete(contact: ContactEntity)
}