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authorHarsh Shandilya <harsh@prjkt.io>2018-07-17 20:54:30 +0530
committerJason A. Donenfeld <Jason@zx2c4.com>2018-07-18 02:15:06 +0200
commitde951ee5350552ebbb88db05457020f62037cdaa (patch)
tree4585eeaae4219b1c897a8ee3dbaa935402a039a4 /app/src/main/java/com
parentdf0d2eb452de15a9f4b7078e379eabf34cba405b (diff)
fab: make fab respond to recyclerview scroll events
Signed-off-by: Harsh Shandilya <harsh@prjkt.io>
Diffstat (limited to 'app/src/main/java/com')
-rw-r--r--app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java20
-rw-r--r--app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java38
2 files changed, 58 insertions, 0 deletions
diff --git a/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java b/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
index d14dc9e5..448a4834 100644
--- a/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
@@ -26,6 +26,8 @@ import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
+import android.view.animation.AccelerateInterpolator;
+import android.view.animation.DecelerateInterpolator;
import com.wireguard.android.Application;
import com.wireguard.android.R;
@@ -35,6 +37,7 @@ import com.wireguard.android.databinding.TunnelListFragmentBinding;
import com.wireguard.android.databinding.TunnelListItemBinding;
import com.wireguard.android.model.Tunnel;
import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.android.widget.CustomRecyclerViewScrollListener;
import com.wireguard.config.Config;
import java.io.BufferedReader;
@@ -189,6 +192,23 @@ public class TunnelListFragment extends BaseFragment {
}
return false;
});
+ binding.tunnelList.setOnScrollListener(new CustomRecyclerViewScrollListener() {
+ @Override
+ public void show() {
+ binding.createMenu.animate()
+ .translationY(0)
+ .setInterpolator(new DecelerateInterpolator(2))
+ .start();
+ }
+
+ @Override
+ public void hide() {
+ binding.createMenu.animate()
+ .translationY(binding.createMenu.getHeight() + getResources().getDimension(R.dimen.fab_margin))
+ .setInterpolator(new AccelerateInterpolator(2))
+ .start();
+ }
+ });
binding.executePendingBindings();
return binding.getRoot();
}
diff --git a/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java b/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
new file mode 100644
index 00000000..2660179f
--- /dev/null
+++ b/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2018 Harsh Shandilya <msfjarvis@gmail.com>
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.widget;
+
+import android.support.v7.widget.RecyclerView;
+
+public abstract class CustomRecyclerViewScrollListener extends RecyclerView.OnScrollListener {
+
+ private int scrollDist;
+ private boolean isVisible = true;
+ private static final float FLING_THRESHOLD = 25;
+
+ @Override
+ public void onScrolled(final RecyclerView recyclerView, final int dx, final int dy) {
+ super.onScrolled(recyclerView, dx, dy);
+
+ if (isVisible && scrollDist > FLING_THRESHOLD) {
+ hide();
+ scrollDist = 0;
+ isVisible = false;
+ } else if (!isVisible && scrollDist < -FLING_THRESHOLD) {
+ show();
+ scrollDist = 0;
+ isVisible = true;
+ }
+
+ if (isVisible ? dy > 0 : dy < 0) {
+ scrollDist += dy;
+ }
+ }
+
+ public abstract void show();
+ public abstract void hide();
+}