Improved SendTransactionFragment in and out animations

app/src/main/java/cy/agorise/crystalwallet/fragments/SendTransactionFragment.java

@@ -5,6 +5,7 @@ import android.arch.lifecycle.LiveData;
 import android.arch.lifecycle.Observer;
 import android.content.DialogInterface;
 import android.os.Bundle;
+import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.design.widget.FloatingActionButton;
@@ -75,6 +76,7 @@ public class SendTransactionFragment extends DialogFragment implements UIValidat
     private CryptoNetAccount cryptoNetAccount;
     private GrapheneAccount grapheneAccount;
     private CrystalDatabase db;
+    private FloatingActionButton fabSend;
 
     public static SendTransactionFragment newInstance(long cryptoNetAccountId) {
         SendTransactionFragment f = new SendTransactionFragment();
@@ -95,6 +97,9 @@ public class SendTransactionFragment extends DialogFragment implements UIValidat
     @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
+        fabSend = getActivity().findViewById(R.id.fabSend);
+        fabSend.hide();
+
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), R.style.SendTransactionTheme);
         //builder.setTitle("Send");
 
@@ -146,6 +151,18 @@ public class SendTransactionFragment extends DialogFragment implements UIValidat
         getDialog().getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
     }
 
+    @Override
+    public void onDetach() {
+        super.onDetach();
+
+        Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            public void run() {
+                fabSend.show();
+            }
+        }, 400);
+    }
+
     @OnItemSelected(R.id.spFrom)
     public void afterFromSelected(Spinner spinner, int position) {
         this.sendTransactionValidator.validate();

app/src/main/res/anim/send_transaction_in.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <set
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:interpolator="@android:anim/overshoot_interpolator" >
+    android:interpolator="@android:anim/overshoot_interpolator"
+    android:startOffset="400">
     <translate
         android:fromXDelta="150%"
         android:toXDelta="0%"