cleanup and formatting

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

@@ -109,7 +109,7 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
 
             balance.text = "ZEC " + balText.substring(0, balText.length - 4)
             balanceSmall.text = balText.substring(balText.length - 4, balText.length)
-            balanceUSD.text = "$ " + DecimalFormat("#0.00").format(bal * zPrice)
+            balanceUSD.text = "$ " + DecimalFormat("#,##0.00").format(bal * zPrice)
 
             txList.removeAllViewsInLayout()
             val fragTx = supportFragmentManager.beginTransaction()

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

@@ -43,7 +43,7 @@ class TxDetailsActivity : AppCompatActivity() {
         val amtStr = DecimalFormat("#0.0000####").format(amt)
 
         txtAmtZec.text = "ZEC $amtStr"
-        txtAmtUSD.text = "$ " + DecimalFormat("#0.00").format(
+        txtAmtUSD.text = "$ " + DecimalFormat("#,##0.00").format(
             (amt) * (DataModel.mainResponseData?.zecprice ?: 0.0))
 
         if (tx?.memo.isNullOrBlank()) {

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

@@ -103,7 +103,7 @@
                 android:layout_height="wrap_content"
                 android:id="@+id/textView10" app:layout_constraintEnd_toStartOf="@+id/amountUSD"
                 android:textSize="36sp" android:layout_marginTop="26dp"
-                app:layout_constraintTop_toTopOf="parent" android:textColor="@android:color/black"/>
+                app:layout_constraintTop_toTopOf="parent"/>
     </android.support.constraint.ConstraintLayout>
     <android.support.constraint.ConstraintLayout
             android:layout_width="match_parent"