List transactions

app/src/main/java/com/adityapk/zcash/zqwandroid/DataModel.kt

@@ -6,17 +6,22 @@ import com.beust.klaxon.Parser
 
 object DataModel {
     class MainResponse(val balance: Double, val saplingAddress: String, val zecprice: Double)
-
+    class TransactionItem(val type: String, val datetime: Long, val amount: String)
 
     var mainResponseData : MainResponse? = null
-    var transactions : List<JsonObject> ?= null
+    var transactions : List<TransactionItem> ?= null
 
     fun parseResponse(response: String) {
         val json = Parser.default().parse(StringBuilder(response)) as JsonObject
         when (json.string("command")) {
             "getInfo" -> mainResponseData = Klaxon().parse<MainResponse>(response)
             "getTransactions" -> {
-                transactions = json.array("transactions")
+                transactions = json.array<JsonObject>("transactions").orEmpty().map { tx ->
+                    TransactionItem(
+                        tx.string("type") ?: "",
+                        tx.long("datetime") ?: 0,
+                        tx.string("amount") ?: "0")
+                }
             }
         }
     }

app/src/main/java/com/adityapk/zcash/zqwandroid/MainActivity.kt

@@ -9,6 +9,7 @@ import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
+import com.beust.klaxon.Klaxon
 import com.beust.klaxon.json
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.content_main.*
@@ -19,7 +20,7 @@ import java.text.DecimalFormat
 import java.util.*
 
 
-class MainActivity : AppCompatActivity(), TransactionItem.OnFragmentInteractionListener {
+class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInteractionListener {
     override fun onFragmentInteraction(uri: Uri) {
         TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
@@ -110,14 +111,18 @@ class MainActivity : AppCompatActivity(), TransactionItem.OnFragmentInteractionL
             balanceSmall.text = balText.substring(balText.length - 4, balText.length)
             balanceUSD.text = "$ " + DecimalFormat("#.##").format(bal * zPrice)
 
+            txList.removeAllViewsInLayout()
+            val fragTx = supportFragmentManager.beginTransaction()
+            var oddeven = "odd"
             for (tx in DataModel.transactions.orEmpty()) {
-                val dt = DateFormat.getDateInstance().format(Date((tx.long("datetime") ?: 0) * 1000))
-                supportFragmentManager.beginTransaction().add(
+                fragTx.add(
                     txList.id ,
-                    TransactionItem.newInstance(dt, "even"),
+                    TransactionItemFragment.newInstance(Klaxon().toJsonString(tx), oddeven),
                     "tag1"
-                ).commit()
+                )
+                oddeven = if (oddeven == "odd") "even" else "odd"
             }
+            fragTx.commit()
         }
     }
 

app/src/main/java/com/adityapk/zcash/zqwandroid/TransactionItem.kt → app/src/main/java/com/adityapk/zcash/zqwandroid/TransactionItemFragment.kt

@@ -10,6 +10,10 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
+import com.beust.klaxon.Klaxon
+import kotlinx.android.synthetic.main.fragment_transaction_item.*
+import java.text.DateFormat
+import java.util.*
 
 
 // TODO: Rename parameter arguments, choose names that match
@@ -20,27 +24,27 @@ private const val ARG_PARAM2 = "param2"
 /**
  * A simple [Fragment] subclass.
  * Activities that contain this fragment must implement the
- * [TransactionItem.OnFragmentInteractionListener] interface
+ * [TransactionItemFragment.OnFragmentInteractionListener] interface
  * to handle interaction events.
- * Use the [TransactionItem.newInstance] factory method to
+ * Use the [TransactionItemFragment.newInstance] factory method to
  * create an instance of this fragment.
  *
  */
-class TransactionItem : Fragment() {
+class TransactionItemFragment : Fragment() {
     // TODO: Rename and change types of parameters
-    private var param1: String? = null
     private var param2: String? = null
+    private var tx: DataModel.TransactionItem? = null
     private var listener: OnFragmentInteractionListener? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         arguments?.let {
-            param1 = it.getString(ARG_PARAM1)
+            tx = Klaxon().parse(it.getString(ARG_PARAM1))
             param2 = it.getString(ARG_PARAM2)
         }
-
     }
 
+    @SuppressLint("SetTextI18n")
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
@@ -49,10 +53,14 @@ class TransactionItem : Fragment() {
         val view = inflater.inflate(R.layout.fragment_transaction_item, container, false)
 
         val txt = view.findViewById<TextView>(R.id.txdate)
-        txt.text = param1
+        txt.text = DateFormat.getDateInstance().format(Date((tx?.datetime ?: 0 )* 1000))
+
+        val amt = view.findViewById<TextView>(R.id.txamt)
+        amt.text = (if (tx?.type == "send") "" else "+") + tx?.amount
+
         if (param2 == "odd")
             view.findViewById<ConstraintLayout>(R.id.outlineLayout).background = null
-        return view;
+        return view
     }
 
     // TODO: Rename method, update argument and hook method into UI event
@@ -97,13 +105,13 @@ class TransactionItem : Fragment() {
          *
          * @param param1 Parameter 1.
          * @param param2 Parameter 2.
-         * @return A new instance of fragment TransactionItem.
+         * @return A new instance of fragment TransactionItemFragment.
          */
         // TODO: Rename and change types and number of parameters
         @SuppressLint("SetTextI18n")
         @JvmStatic
         fun newInstance(param1: String, param2: String) =
-            TransactionItem().apply {
+            TransactionItemFragment().apply {
                 arguments = Bundle().apply {
                     putString(ARG_PARAM1, param1)
                     putString(ARG_PARAM2, param2)

app/src/main/res/layout/fragment_transaction_item.xml

@@ -4,7 +4,7 @@
                                              xmlns:tools="http://schemas.android.com/tools"
                                              android:layout_width="match_parent"
                                              android:layout_height="wrap_content"
-                                             tools:context=".TransactionItem" android:id="@+id/outlineLayout"
+                                             tools:context=".TransactionItemFragment" android:id="@+id/outlineLayout"
                                              android:background="@color/light_grey">
 
     <!-- TODO: Update blank fragment layout -->
@@ -20,13 +20,14 @@
     <TextView
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:text="@string/hello_blank_fragment" android:id="@+id/txdate"
+            android:text="Date" android:id="@+id/txdate"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintLeft_toRightOf="@+id/imageView5"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toEndOf="@+id/imageView5" android:layout_marginStart="16dp"
             android:layout_marginTop="8dp" android:layout_marginBottom="8dp"
-            app:layout_constraintEnd_toStartOf="@+id/txamt" android:layout_marginEnd="7dp"/>
+            app:layout_constraintEnd_toStartOf="@+id/txamt" android:layout_marginEnd="7dp"
+    />
     <TextView
             android:text="Amt"
             android:layout_width="0dp"