FoldNavScrollLayout

使用NestedScrollingParent实现的导航栏滑动折叠效果的ViewGroup

一 引用方法

1.在root build.gradle中加入

allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}

2.在项目的 build.gradle中加入

dependencies {
	        implementation 'com.github.oneAcorn:FoldNavScrollLayout:1.1'
	}

二 使用方法

1.在xml中声明(FoldNavScrollLayout内的View只是示例,只要id是对的就行)

<?xml version="1.0" encoding="utf-8"?>
<com.acorn.library.FoldNavScrollLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <RelativeLayout
        android:id="@id/fold_nav_layout"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="#ffffff"/>

    <android.support.design.widget.TabLayout
        android:id="@id/fold_tab_layout"
        android:layout_width="match_parent"
        android:layout_height="34dp"
        />

    <android.support.v4.view.ViewPager
        android:id="@id/fold_content_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />
</com.acorn.library.FoldNavScrollLayout>

请注意,FoldNavScrollLayout内第一层childView需要至少有3个如下id的View存在

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item name="fold_nav_layout" type="id"/>
    <item name="fold_tab_layout" type="id"/>
    <item name="fold_content_layout" type="id"/>
</resources>

作用分别是 fold_nav_layout 导航栏,拖动时根据方向显示/隐藏 fold_tab_layout 位置固定的View,不一定是TabLayout fold_content_layout 可竖向滑动的View

2.完成,就当它是个LinearLayout,该怎么用就怎么用

版本更新

1.1

增加折叠与展开的监听,使用方法:

foldNavScrollLayout.setOnFoldNavListener(new IFoldNavListener() {
          @Override
          public void onNavFoldBegin() {
              Log.i("navfold","onNavFoldBegin");
              Toast.makeText(MainActivity.this,"onNavFoldBegin",Toast.LENGTH_SHORT).show();
          }

          @Override
          public void onNavFoldFinish() {
              Log.i("navfold","onNavFoldFinish");
              Toast.makeText(MainActivity.this,"onNavFoldFinish",Toast.LENGTH_SHORT).show();
          }

          @Override
          public void onNavExpandBegin() {
              Log.i("navfold","onNavExpandBegin");
              Toast.makeText(MainActivity.this,"onNavExpandBegin",Toast.LENGTH_SHORT).show();
          }

          @Override
          public void onNavExpandFinish() {
              Log.i("navfold","onNavExpandFinish");
              Toast.makeText(MainActivity.this,"onNavExpandFinish",Toast.LENGTH_SHORT).show();
          }
      });