Category improvements

2015-12-30 14:10:31 +01:00
parent e6b7a79bee
commit 384bc3c690
16 changed files with 153 additions and 62 deletions
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package eu.kanade.mangafeed.ui.base.fab;
+
+import android.content.Context;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.view.ViewCompat;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class ScrollAwareFABBehavior extends FloatingActionButton.Behavior {
+    public ScrollAwareFABBehavior(Context context, AttributeSet attrs) {
+        super();
+    }
+
+    @Override
+    public boolean onStartNestedScroll(final CoordinatorLayout coordinatorLayout, final FloatingActionButton child,
+                                       final View directTargetChild, final View target, final int nestedScrollAxes) {
+        // Ensure we react to vertical scrolling
+        return nestedScrollAxes == ViewCompat.SCROLL_AXIS_VERTICAL
+                || super.onStartNestedScroll(coordinatorLayout, child, directTargetChild, target, nestedScrollAxes);
+    }
+
+    @Override
+    public void onNestedScroll(final CoordinatorLayout coordinatorLayout, final FloatingActionButton child,
+                               final View target, final int dxConsumed, final int dyConsumed,
+                               final int dxUnconsumed, final int dyUnconsumed) {
+        super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
+        if (dyConsumed > 0 && child.getVisibility() == View.VISIBLE) {
+            // User scrolled down and the FAB is currently visible -> hide the FAB
+            child.hide();
+        } else if (dyConsumed < 0 && child.getVisibility() != View.VISIBLE) {
+            // User scrolled up and the FAB is currently not visible -> show the FAB
+            child.show();
+        }
+    }
+}
@@ -1,12 +1,26 @@
 package eu.kanade.mangafeed.ui.base.fragment;

+import android.os.Bundle;
 import android.support.v4.app.Fragment;

 import de.greenrobot.event.EventBus;
 import eu.kanade.mangafeed.ui.base.activity.BaseActivity;
+import icepick.Icepick;

 public class BaseFragment extends Fragment {

+    @Override
+    public void onCreate(Bundle savedState) {
+        super.onCreate(savedState);
+        Icepick.restoreInstanceState(this, savedState);
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        Icepick.saveInstanceState(this, outState);
+    }
+
    public void setToolbarTitle(String title) {
        getBaseActivity().setToolbarTitle(title);
    }