From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Mon, 31 Dec 2018 19:05:11 +0000 (+0000)
Subject: show/hide new transaction fab when transaction list is scrolled too
X-Git-Tag: v0.3~154
X-Git-Url: https://git.ktnx.net/?a=commitdiff_plain;h=f1150ad05454cf3469b035adf97adce558c0401c;p=mobile-ledger.git

show/hide new transaction fab when transaction list is scrolled too
---

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
index 4ea48ab9..7c7756b6 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListFragment.java
@@ -25,6 +25,7 @@ import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.FloatingActionButton;
 import android.support.v4.app.Fragment;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.LinearLayoutManager;
@@ -132,9 +133,21 @@ public class TransactionListFragment extends Fragment {
 
         modelAdapter.setBoldAccountName(mShowOnlyAccountName);
 
+        FloatingActionButton fab = mActivity.findViewById(R.id.btn_add_transaction);
+
         RecyclerView root = mActivity.findViewById(R.id.transaction_root);
         root.setAdapter(modelAdapter);
 
+        root.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+                if (fab != null) {
+                    if (dy < 0) fab.show();
+                    if (dy > 0) fab.hide();
+                }
+            }
+        });
+
         LinearLayoutManager llm = new LinearLayoutManager(mActivity);
 
         llm.setOrientation(LinearLayoutManager.VERTICAL);