Updated BottomBarBehavior

app/src/main/java/com/github/dfa/diaspora_android/ui/BottomBarBehavior.java

@@ -1,102 +1,56 @@
+/*
+ * Copyright (C) 2015 takahirom
+ *
+ * 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 com.github.dfa.diaspora_android.ui;
 
 import android.content.Context;
-import android.os.Build;
+import android.support.design.widget.AppBarLayout;
 import android.support.design.widget.CoordinatorLayout;
 import android.support.v4.view.ViewCompat;
-import android.support.v4.view.ViewPropertyAnimatorListener;
-import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.View;
-import android.view.animation.Animation;
-import android.view.animation.AnimationUtils;
 import android.widget.LinearLayout;
 
-import com.github.dfa.diaspora_android.R;
-
-/**
- * Created by vanitas on 21.06.16.
- */
 public class BottomBarBehavior extends CoordinatorLayout.Behavior<LinearLayout> {
-    private static final FastOutSlowInInterpolator INTERPOLATOR = new FastOutSlowInInterpolator();
+
-    private boolean mIsAnimatingOut = false;
+    private int defaultDependencyTop = -1;
 
     public BottomBarBehavior(Context context, AttributeSet attrs) {
-        super();
+        super(context, attrs);
     }
 
     @Override
-    public boolean onStartNestedScroll(final CoordinatorLayout coordinatorLayout, final LinearLayout child,
+    public boolean layoutDependsOn(CoordinatorLayout parent, LinearLayout child, View dependency) {
-                                       final View directTargetChild, final View target, final int nestedScrollAxes) {
+        return dependency instanceof AppBarLayout;
-        return nestedScrollAxes == ViewCompat.SCROLL_AXIS_VERTICAL
-                || super.onStartNestedScroll(coordinatorLayout, child, directTargetChild, target, nestedScrollAxes);
     }
 
+
     @Override
-    public void onNestedScroll(final CoordinatorLayout coordinatorLayout, final LinearLayout child,
+    public boolean onDependentViewChanged(CoordinatorLayout parent, LinearLayout child, View dependency) {
-                               final View target, final int dxConsumed, final int dyConsumed,
+        if (defaultDependencyTop == -1) {
-                               final int dxUnconsumed, final int dyUnconsumed) {
+            defaultDependencyTop = dependency.getTop();
-
-        super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed);
-        if (dyConsumed < 0 && !this.mIsAnimatingOut && child.getVisibility() == View.VISIBLE) {
-            // User scrolled down and the FAB is currently visible -> hide the FAB
-            animateOut(child);
-        } else if (dyConsumed > 0 && child.getVisibility() != View.VISIBLE) {
-            // User scrolled up and the FAB is currently not visible -> show the FAB
-            animateIn(child);
         }
+        Log.d("BOTTOMBAR", "c.h"+child.getHeight()+" c.top"+child.getTop()
+                +" c.tran_y"+child.getTranslationY()
+                +" d.h"+dependency.getHeight()+" d.top"+dependency.getTop()
+                +"d.tran_y"+dependency.getTranslationY());
+        if(dependency.getTop()<0)
+            child.setTranslationY(-dependency.getTop() + defaultDependencyTop);
+        return true;
     }
 
-    private void animateOut(final LinearLayout linearLayout) {
-        if (Build.VERSION.SDK_INT >= 14) {
-            ViewCompat.animate(linearLayout).translationY(168F).alpha(0.0F).setInterpolator(INTERPOLATOR).withLayer()
-                    .setListener(new ViewPropertyAnimatorListener() {
-                        public void onAnimationStart(View view) {
-                            BottomBarBehavior.this.mIsAnimatingOut = true;
-                        }
-
-                        public void onAnimationCancel(View view) {
-                            BottomBarBehavior.this.mIsAnimatingOut = false;
-                        }
-
-                        public void onAnimationEnd(View view) {
-                            BottomBarBehavior.this.mIsAnimatingOut = false;
-                            view.setVisibility(View.GONE);
-                        }
-                    }).start();
-        } else {
-            Animation anim = AnimationUtils.loadAnimation(linearLayout.getContext(), R.anim.bottom_bar_up);
-            anim.setInterpolator(INTERPOLATOR);
-            anim.setDuration(200L);
-            anim.setAnimationListener(new Animation.AnimationListener() {
-                public void onAnimationStart(Animation animation) {
-                    BottomBarBehavior.this.mIsAnimatingOut = true;
-                }
-
-                public void onAnimationEnd(Animation animation) {
-                    BottomBarBehavior.this.mIsAnimatingOut = false;
-                    linearLayout.setVisibility(View.GONE);
-                }
-
-                @Override
-                public void onAnimationRepeat(final Animation animation) {
-                }
-            });
-            linearLayout.startAnimation(anim);
-        }
-    }
-
-    private void animateIn(LinearLayout linearLayout) {
-        linearLayout.setVisibility(View.VISIBLE);
-        if (Build.VERSION.SDK_INT >= 14) {
-            ViewCompat.animate(linearLayout).translationY(0).scaleX(1.0F).scaleY(1.0F).alpha(1.0F)
-                    .setInterpolator(INTERPOLATOR).withLayer().setListener(null)
-                    .start();
-        } else {
-            Animation anim = AnimationUtils.loadAnimation(linearLayout.getContext(), R.anim.bottom_bar_down);
-            anim.setDuration(200L);
-            anim.setInterpolator(INTERPOLATOR);
-            linearLayout.startAnimation(anim);
-        }
-    }
 }

app/src/main/res/layout/main__content.xml

@@ -11,11 +11,11 @@
     <android.support.v4.widget.SwipeRefreshLayout
         android:id="@+id/swipe"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
         <com.github.dfa.diaspora_android.ui.ContextMenuWebView
             android:id="@+id/webView"
-            app:layout_behavior="@string/appbar_scrolling_view_behavior"
             android:layout_width="fill_parent"
             android:layout_height="fill_parent"
             android:layout_alignParentEnd="true"