Fix recreation of main activity

app/src/main/AndroidManifest.xml

@@ -15,6 +15,7 @@
                 android:name="com.adityapk.zcash.zqwandroid.MainActivity"
                 android:screenOrientation="portrait"
                 android:label="@string/app_name"
+                android:launchMode="singleTop"
                 android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>

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

@@ -65,11 +65,13 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
         fab1.setOnClickListener {view ->
             val intent = Intent(this, ReceiveActivity::class.java)
             startActivity(intent)
+            closeFABMenu()
         }
 
         fab2.setOnClickListener {view ->
             val intent = Intent(this, SendActivity::class.java)
             startActivity(intent)
+            closeFABMenu()
         }
 
         fab.setOnClickListener { view ->
@@ -89,6 +91,14 @@ class MainActivity : AppCompatActivity(), TransactionItemFragment.OnFragmentInte
         updateUI()
     }
 
+    override fun onPause() {
+        super.onPause()
+    }
+
+    override fun onResume() {
+        super.onResume()
+    }
+
     private fun makeAPICalls() {
         val request = Request.Builder().url("ws://10.0.2.2:8237").build()
         val listener = EchoWebSocketListener()