Don't crash on empty manual withdrawal amount

4 files changed, 16 insertions, 10 deletions

diff --git a/wallet/build.gradle b/wallet/build.gradle
index 30cf291..434ebb9 100644
--- a/wallet/build.gradle
+++ b/wallet/build.gradle
@@ -24,7 +24,7 @@ plugins {
     id "de.undercouch.download"
 }
 
-def walletCoreVersion = "v0.7.1-dev.23"
+def walletCoreVersion = "v0.7.1-dev.25"
 
 static def versionCodeEpoch() {
     return (new Date().getTime() / 1000).toInteger()
@@ -48,7 +48,7 @@ android {
         minSdkVersion 24
         targetSdkVersion 29
         versionCode 6
-        versionName "0.7.1.dev.23"
+        versionName "0.7.1.dev.25"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         buildConfigField "String", "WALLET_CORE_VERSION", "\"$walletCoreVersion\""
     }
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt b/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
index db3f283..0817c36 100644
--- a/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
+++ b/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
@@ -190,9 +190,7 @@ class TransactionRefund(
      */
     val amountInvalid: Amount? = null,
     override val error: TalerErrorInfo? = null,
-    @SerialName("amountEffective") // TODO remove when fixed in wallet-core
     override val amountRaw: Amount,
-    @SerialName("amountRaw") // TODO remove when fixed in wallet-core
     override val amountEffective: Amount
 ) : Transaction() {
     override val icon = R.drawable.transaction_refund
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/ManualWithdrawFragment.kt b/wallet/src/main/java/net/taler/wallet/withdraw/ManualWithdrawFragment.kt
index fbee6ae..af76e9b 100644
--- a/wallet/src/main/java/net/taler/wallet/withdraw/ManualWithdrawFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/ManualWithdrawFragment.kt
@@ -55,13 +55,20 @@ class ManualWithdrawFragment : Fragment() {
         }.joinToString(separator = "\n", prefix = "• ")
         paymentOptionsLabel.text =
             getString(R.string.withdraw_manual_payment_options, exchangeItem.name, paymentOptions)
-        checkFeesButton.setOnClickListener {
-            val value = amountView.text.toString().toLong()
-            val amount = Amount(exchangeItem.currency, value, 0)
-            amountView.hideKeyboard()
-            Toast.makeText(view.context, "Not implemented: $amount", LENGTH_SHORT).show()
-            withdrawManager.getWithdrawalDetails(exchangeItem.exchangeBaseUrl, amount)
+        checkFeesButton.setOnClickListener { onCheckFees() }
+    }
+
+    private fun onCheckFees() {
+        if (amountView.text?.isEmpty() ?: true) {
+            amountLayout.setError(getString(R.string.withdraw_amount_error))
+            return
         }
+        amountLayout.setError(null)
+        val value = amountView.text.toString().toLong()
+        val amount = Amount(exchangeItem.currency, value, 0)
+        amountView.hideKeyboard()
+        Toast.makeText(requireContext(), "Not implemented: $amount", LENGTH_SHORT).show()
+        withdrawManager.getWithdrawalDetails(exchangeItem.exchangeBaseUrl, amount)
     }
 
 }
diff --git a/wallet/src/main/res/values/strings.xml b/wallet/src/main/res/values/strings.xml
index a9f6c73..a780ad3 100644
--- a/wallet/src/main/res/values/strings.xml
+++ b/wallet/src/main/res/values/strings.xml
@@ -113,6 +113,7 @@ GNU Taler is immune against many types of fraud, such as phishing of credit card
     <string name="withdraw_waiting_confirm">Waiting for confirmation</string>
     <string name="withdraw_manual_title">Make a manual transfer to the exchange</string>
     <string name="withdraw_amount">How much to withdraw?</string>
+    <string name="withdraw_amount_error">Enter valid amount</string>
     <string name="withdraw_manual_payment_options">Payment options supported by %1$s:\n\n%2$s</string>
     <string name="withdraw_manual_check_fees">Check fees</string>
     <string name="withdraw_error_title">Withdrawal Error</string>