feat: use dropdown chevron on funding source

app/src/main/java/to/bitkit/ui/screens/wallets/send/SendAmountScreen.kt

@@ -489,7 +489,8 @@ private fun PaymentMethodButton(
             } else {
                 AppTextStyles.CaptionM
             },
-            icon = if (uiState.canSwitchFundingSource) R.drawable.ic_transfer else null,
+            outlined = true,
+            trailingIcon = if (uiState.canSwitchFundingSource) R.drawable.ic_chevron_down else null,
             onClick = { expanded = true },
             enabled = uiState.fundingOptions.isNotEmpty(),
             isLoading = uiState.isFundingSourceLoading,

app/src/main/res/drawable/ic_chevron_down.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportWidth="32"
+    android:viewportHeight="32">
+  <path
+      android:pathData="M6.293,11.293a1,1 0,0 1,1.414 0L16,19.586l8.293,-8.293a1,1 0,0 1,1.414 1.414l-9,9a1,1 0,0 1,-1.414 0l-9,-9a1,1 0,0 1,0 -1.414"
+      android:fillColor="#ffffff"
+      android:fillType="evenOdd"/>
+</vector>

changelog.d/next/1612.changed.md

@@ -0,0 +1 @@
+The wallet picker on the send amount screen now shows a dropdown arrow instead of the switch icon.

journeys/send/funding-source-dropdown.xml

@@ -0,0 +1,20 @@
+<journey name="funding source dropdown">
+  <description>
+    Verifies that the Send Amount wallet picker opens as a dropdown: an outlined button with the
+    selected wallet name followed by a downward chevron. Preconditions: an onboarded regtest wallet
+    with confirmed Savings funds and a usable Spending channel, a fresh zero-amount unified BIP21 URI
+    (on-chain address plus Lightning invoice) from another wallet, and a fresh on-chain address
+    from another wallet. Close each send without paying.
+  </description>
+  <actions>
+    <action>Open the zero-amount unified BIP21 URI with a bitcoin: deep link</action>
+    <action>Verify Send Amount shows the funding source button (testTag "AssetButton-switch") as an outlined button with the selected wallet name and a downward chevron after it, and no switch arrows before the name</action>
+    <action>Tap the funding source button and verify the dropdown (testTag "SendFundingSources") lists Savings and Spending with their balances and a check next to the selected wallet</action>
+    <action>Select the wallet that is not checked and verify the button shows its name in its color, orange for Savings and purple for Spending, still outlined with the downward chevron</action>
+    <action>Tap the funding source button again and verify the check moved to the newly selected wallet; dismiss the dropdown</action>
+    <action>Close the send sheet without paying</action>
+    <action>Open the on-chain address with a bitcoin: deep link and verify the funding source button shows Savings outlined in orange with no chevron or other icon</action>
+    <action>Tap the funding source button and verify the dropdown (testTag "SendFundingSources") opens with Savings checked and Spending dimmed with its balance; tap Spending and verify the selection does not change</action>
+    <action>Close the send sheet without paying</action>
+  </actions>
+</journey>