An Android behavior library let your titlebar or bottom navigation hiding on scroll ,极其简便的快速实现滑动隐藏标题栏和导航栏
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README.md

ByeBurger

Bye Burger~ this is a easy way to make your title or bottom navigation hiding on scroll like this

Bye, Bye Burger! What we learned from implementing the new Android Bottom Navigation

中文文档

image image image

Hiding on scroll: We wanted to provide as much content as possible on our user’s screens. Consequently, we decided to make the navigation hide on scroll, thus making more room for the content area. Scrolling up makes the navigation fade back in.

Shifting navigation : The Material Design bottom bar comes with a very slick animation, which is referred to as the Shifting navigation — when navigating between destinations the selected section icon is enlarged, moving the unselected element to the back. Flipping through destinations on the nav bar thus feels a bit like browsing through a carousel. We decided to utilize this effect as it adds a playful note to switching sections, which we hoped would nudge our users into navigating to different areas in the app more often. Further, the animation plays a major part in our next point…

USAGE

compile the library in your build.gralde

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
    }
}


dependencies {
   compile 'com.github.githubwing:ByeBurger:1.2.3'
  compile 'com.android.support:design:25.0.0'
  }

You only need to change the root view to CoordinatorLayout, And add one line code "app:layout_behavior" like the bottom into ANY view, Then your view hiding on scroll. Your titleBar can be Toolbar,LinearLayout and so on. Your NavigationView can be BottomNavigationView or TabLayout, or Any View you put in xml.

<android.support.design.widget.CoordinatorLayout>

  <Viewpager />
    <Toolbar
    app:layout_behavior="@string/bye_burger_title_behavior"
  />
  <BottomTab 
   android:layout_gravity="bottom"
   app:layout_behavior="@string/bye_burger_bottom_behavior"
  />      
  <FloatingActionButton
    app:layout_behavior="@string/bye_burger_float_behavior"
  />
</android.support.design.widget.CoordinatorLayout>

You can control it by call method show() hide()

    ByeBurgerBehavior.from(mToolbar).hide()

    ByeBurgerBehavior.from(mFloatButton).show()

License

Copyright 2016 androidwing1992

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.