Fixed that after changing or even deleting a selected bank's name 'Add account' button still has been activated

ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/dialogs/AddAccountDialog.kt

@@ -24,6 +24,7 @@ import net.dankito.banking.ui.android.util.StandardAutocompleteCallback
 import net.dankito.banking.ui.model.responses.AddAccountResponse
 import net.dankito.banking.ui.presenter.BankingPresenter
 import net.dankito.banking.bankfinder.BankInfo
+import net.dankito.banking.ui.android.util.StandardTextWatcher
 import net.dankito.utils.android.extensions.asActivity
 import net.dankito.utils.android.extensions.hide
 import net.dankito.utils.android.extensions.show
@@ -40,6 +41,8 @@ open class AddAccountDialog : DialogFragment() {
 
     protected var selectedBank: BankInfo? = null
 
+    protected var justDidSelectBank: Boolean = false
+
 
     @Inject
     protected lateinit var presenter: BankingPresenter
@@ -87,6 +90,10 @@ open class AddAccountDialog : DialogFragment() {
     }
 
     private fun initBankListAutocompletion(edtxtBank: EditText) {
+        edtxtBank.addTextChangedListener(StandardTextWatcher {
+            mayClearSelectedBank()
+        })
+
         val autocompleteCallback = StandardAutocompleteCallback<BankInfo> { _, item ->
             bankSelected(item)
             true
@@ -163,8 +170,12 @@ open class AddAccountDialog : DialogFragment() {
     protected open fun bankSelected(bank: BankInfo) {
         selectedBank = bank
 
+        justDidSelectBank = true
+
         edtxtBank.text = bank.name
 
+        justDidSelectBank = false
+
         edtxtUserName.requestFocus()
 
         checkIfRequiredDataEnteredOnUiThread()
@@ -174,6 +185,14 @@ open class AddAccountDialog : DialogFragment() {
         }
     }
 
+    protected open fun mayClearSelectedBank() {
+        if (justDidSelectBank == false) {
+            selectedBank = null
+        }
+
+        checkIfRequiredDataEnteredOnUiThread()
+    }
+
     private fun showBankDoesNotSupportFinTs30ErrorMessage(bank: BankInfo) {
         activity?.let { context ->
             val errorMessage = context.getString(R.string.dialog_add_account_bank_does_not_support_fints_3_error_message, bank.name)