From 5388e90331ba8d4cf8ee384d5bcfd1f4a4ed3cb2 Mon Sep 17 00:00:00 2001
From: Severiano Jaramillo <severiano.jaramillo@gmail.com>
Date: Wed, 5 Dec 2018 10:10:45 -0600
Subject: [PATCH] Add methods to remember the currently selected Spinner's
 Asset and make sure that selection is not lost when the balances table is
 updated. Make an improvement to the camera feed UI.

---
 .../fragments/SendTransactionFragment.kt      | 25 +++++++++++++++++++
 .../res/drawable/camera_view_background.xml   |  5 ++++
 .../res/layout/fragment_send_transaction.xml  |  5 ++--
 3 files changed, 32 insertions(+), 3 deletions(-)
 create mode 100644 app/src/main/res/drawable/camera_view_background.xml

diff --git a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SendTransactionFragment.kt b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SendTransactionFragment.kt
index c424c47..edf0056 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SendTransactionFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SendTransactionFragment.kt
@@ -7,6 +7,7 @@ import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.AdapterView
 import android.widget.Toast
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
@@ -40,6 +41,8 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler {
 
     private var mAssetsAdapter: AssetsAdapter? = null
 
+    private var selectedAssetSymbol = ""
+
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_send_transaction, container, false)
@@ -59,7 +62,25 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler {
             mBalancesDetails = balancesDetails
             mAssetsAdapter = AssetsAdapter(context!!, android.R.layout.simple_spinner_item, mBalancesDetails!!)
             spAsset.adapter = mAssetsAdapter
+
+            // Try to select the selectedAssetSymbol
+            for (i in 0 until mAssetsAdapter!!.count) {
+                if (mAssetsAdapter!!.getItem(i)!!.symbol == selectedAssetSymbol) {
+                    spAsset.setSelection(i)
+                    break
+                }
+            }
         })
+
+        spAsset.onItemSelectedListener = object : AdapterView.OnItemSelectedListener{
+            override fun onNothingSelected(parent: AdapterView<*>?) { }
+
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                selectedAssetSymbol = mAssetsAdapter!!.getItem(position)!!.symbol
+            }
+        }
+
+        fabSendTransaction.setOnClickListener { validateFields() }
     }
 
     private fun verifyCameraPermission() {
@@ -140,6 +161,10 @@ class SendTransactionFragment : Fragment(), ZXingScannerView.ResultHandler {
         }
     }
 
+    private fun validateFields() {
+
+    }
+
     override fun onResume() {
         super.onResume()
         if (isCameraPreviewVisible)
diff --git a/app/src/main/res/drawable/camera_view_background.xml b/app/src/main/res/drawable/camera_view_background.xml
new file mode 100644
index 0000000..3557241
--- /dev/null
+++ b/app/src/main/res/drawable/camera_view_background.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+    <corners android:radius="10dp" />
+    <solid android:color="#111" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_send_transaction.xml b/app/src/main/res/layout/fragment_send_transaction.xml
index a665e66..0e06f22 100644
--- a/app/src/main/res/layout/fragment_send_transaction.xml
+++ b/app/src/main/res/layout/fragment_send_transaction.xml
@@ -123,12 +123,11 @@
 
         <View
             android:id="@+id/viewCamera"
-            android:background="@color/black"
             android:layout_width="0dp"
             android:layout_height="0dp"
             android:layout_marginTop="@dimen/spacing_same_topic"
             android:layout_marginStart="@dimen/activity_horizontal_margin"
-            android:visibility="visible"
+            android:background="@drawable/camera_view_background"
             app:layout_constraintDimensionRatio="1:1"
             app:layout_constraintTop_toBottomOf="@+id/tvScan"
             app:layout_constraintBottom_toBottomOf="parent"
@@ -166,7 +165,7 @@
             app:layout_constraintBottom_toBottomOf="@id/viewCamera"/>
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
-            android:id="@+id/btnSend"
+            android:id="@+id/fabSendTransaction"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="15dp"