Delete old assets, add some simple form validation logic.

app/src/main/java/com/creativedrewy/protectocrypto/fragment/EncryptDecryptFragment.kt

@@ -64,11 +64,15 @@ class EncryptDecryptFragment : Fragment() {
  })
 
  encrypt_button.setOnClickListener {
- viewModel.encodeData(key_input_textview.text.toString(), data_input_textview.text.toString())
+ validateForm {
+ viewModel.encodeData(key_input_textview.text.toString(), data_input_textview.text.toString())
+ }
  }
 
  decrypt_button.setOnClickListener {
- viewModel.decodeData(key_input_textview.text.toString(), data_input_textview.text.toString())
+ validateForm {
+ viewModel.decodeData(key_input_textview.text.toString(), data_input_textview.text.toString())
+ }
  }
 
  clear_everything_button.setOnClickListener {
@@ -89,4 +93,10 @@ class EncryptDecryptFragment : Fragment() {
  fun handleNewIntent(intent: Intent) {
  viewModel.handleIncomingData(intent)
  }
+
+ private fun validateForm(onValidated: () -> Unit) {
+ if (key_input_textview.text.isNotEmpty() && data_input_textview.text.isNotEmpty()) {
+ onValidated()
+ }
+ }
 }