Add Reconnect button

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

@@ -7,6 +7,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.os.Handler
 import android.support.constraint.ConstraintLayout
+import android.support.design.widget.Snackbar
 import android.support.v7.app.AppCompatActivity
 import android.util.Log
 import android.view.Menu
@@ -19,6 +20,7 @@ import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.content_main.*
 import okhttp3.*
 import okio.ByteString
+import java.net.ConnectException
 import java.text.DecimalFormat
 
 
@@ -46,7 +48,15 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
             startActivityForResult(intent, QrReaderActivity.REQUEST_CONNDATA)
         }
 
+        btnReconnect.setOnClickListener {
+            makeConnection()
+            DataModel.makeAPICalls()
+        }
+
         swiperefresh.setOnRefreshListener {
+            if (connStatus == ConnectionStatus.DISCONNECTED) {
+                makeConnection()
+            }
             makeAPICalls()
         }
 
@@ -286,12 +296,11 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
 
     private fun disconnected() {
         Log.i(TAG, "Disconnected")
-        connStatus = ConnectionStatus.DISCONNECTED
         DataModel.clear()
-
         updateUI(true)
     }
 
+
     private inner class EchoWebSocketListener : WebSocketListener() {
 
         override fun onOpen(webSocket: WebSocket, response: Response) {
@@ -311,12 +320,17 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
 
         override fun onClosing(webSocket: WebSocket, code: Int, reason: String?) {
             webSocket.close(1000, null)
+            connStatus = ConnectionStatus.DISCONNECTED
             Log.i(TAG,"Closing : $code / $reason")
             disconnected()
         }
 
         override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
             Log.e(TAG,"Failed $t")
+            connStatus = ConnectionStatus.DISCONNECTED
+            if (t is ConnectException) {
+                Snackbar.make(layoutConnect, t.localizedMessage, Snackbar.LENGTH_SHORT).show()
+            }
             disconnected()
         }
     }

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

@@ -103,7 +103,7 @@
                 android:layout_marginStart="8dp" app:layout_constraintEnd_toEndOf="parent"
                 android:layout_marginEnd="8dp"
                 android:layout_marginBottom="8dp" app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintVertical_bias="0.35000002"/>
+                app:layout_constraintVertical_bias="0.22000003"/>
         <Button
                 android:text="Scan QR Code"
                 android:layout_width="wrap_content"
@@ -113,6 +113,22 @@
                 android:layout_marginEnd="8dp"
                 android:layout_marginTop="8dp"
                 app:layout_constraintTop_toBottomOf="@+id/imageView5"/>
+        <TextView
+                android:text="OR"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:id="@+id/textView3" android:layout_marginTop="8dp"
+                app:layout_constraintTop_toBottomOf="@+id/btnConnect" app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginStart="8dp" app:layout_constraintEnd_toEndOf="parent"
+                android:layout_marginEnd="8dp" android:textAlignment="center"/>
+        <Button
+                android:text="Reconnect"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:id="@+id/btnReconnect" android:layout_marginTop="8dp"
+                app:layout_constraintTop_toBottomOf="@+id/textView3" app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginStart="8dp" app:layout_constraintEnd_toEndOf="parent"
+                android:layout_marginEnd="8dp"/>
     </android.support.constraint.ConstraintLayout>
     <android.support.design.widget.BottomNavigationView
             android:layout_width="match_parent"