Android顶部悬浮的具体代码

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xml version="1.0" encoding="utf-8"?>

android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"

 xmlns:app="http://schemas.android.com/apk/res-auto"

 xmlns:tools="http://schemas.android.com/tools"

 android:id="@+id/swipeRefreshLayout"

 android:layout_width="match_parent"

 android:layout_height="match_parent"

 tools:context=".ui.activity.NewPersonalCardActivity">

 android.support.design.widget.CoordinatorLayout

 android:id="@+id/rootLayout"

 android:layout_width="match_parent"

 android:layout_height="match_parent">

 android.support.design.widget.AppBarLayout

  android:id="@+id/appBarLayout"

  android:layout_width="match_parent"

  android:layout_height="wrap_content">

  android.support.design.widget.CollapsingToolbarLayout

  android:id="@+id/collapsingToolbarLayout"

  android:layout_width="match_parent"

  android:layout_height="192dp"

  app:layout_scrollFlags="scroll|exitUntilCollapsed"

  app:titleEnabled="false">

  LinearLayout

   android:id="@+id/headLayout"

   android:layout_width="match_parent"

   android:layout_height="match_parent"

   android:orientation="vertical"

   app:layout_collapseMode="pin"

   app:layout_collapseParallaxMultiplier="0.7">

   include layout="@layout/personal_new_top" />

  LinearLayout>

  android.support.v7.widget.Toolbar

   android:id="@+id/toolBar"

   android:layout_width="match_parent"

   android:layout_height="44dp"

   android:background="@color/white"

   android:navigationIcon="@drawable/icon_back"

   app:contentInsetLeft="0dp"

   app:contentInsetStart="0dp"

   app:layout_collapseMode="pin"

   app:navigationIcon="@drawable/icon_back">

   TextView

   android:layout_width="wrap_content"

   android:layout_height="wrap_content"

   android:layout_gravity="center"

   android:singleLine="true"

   android:textColor="@color/c333333"

   android:textSize="16sp"

   tools:text="讲师" />

  android.support.v7.widget.Toolbar>

  android.support.design.widget.CollapsingToolbarLayout>

  include layout="@layout/new_personal_tabs" />

 android.support.design.widget.AppBarLayout>

 android.support.v4.widget.NestedScrollView

  android:id="@+id/nestedScrollView"

  android:layout_width="match_parent"

  android:layout_height="match_parent"

  android:fillViewport="true"

  android:scrollbars="none"

  app:layout_behavior="@string/appbar_scrolling_view_behavior">

  android.support.v4.view.ViewPager

  android:id="@+id/viewPager"

  android:layout_width="match_parent"

  android:layout_height="match_parent"

  app:layout_behavior="@string/appbar_scrolling_view_behavior" />

 android.support.v4.widget.NestedScrollView>

 android.support.design.widget.CoordinatorLayout>

android.support.v4.widget.SwipeRefreshLayout>

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@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

ARouter.getInstance().inject(this);

setContentView(R.layout.activity_new_personal_card);

ButterKnife.bind(this);

setSupportActionBar(toolBar);

getSupportActionBar().setDisplayHomeAsUpEnabled(true);

getSupportActionBar().setDisplayShowTitleEnabled(false);

toolBar.setNavigationOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

onBackPressed();

}

});

initData();

}

　private void initRefresh() {

appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {

@Override

public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {

if (verticalOffset >= 0) {

 swipeRefreshLayout.setEnabled(true);

} else {

 swipeRefreshLayout.setEnabled(false);

}

}

});

swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

@Override

public void onRefresh() {

initData();

swipeRefreshLayout.setRefreshing(false);

}

});

}

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android:theme="@style/personalCard"

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style name="personalCard" parent="Theme.AppCompat.Light.DarkActionBar">

 item name="windowActionBar">falseitem>

 item name="windowNoTitle">trueitem>

 item name="colorPrimary">@color/colorPrimaryitem>

 item name="colorPrimaryDark">@color/colorPrimaryDarkitem>

 item name="colorAccent">@color/colorAccentitem>

 style>

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compileSdkVersion 24

//------------------ 在线依赖开始 ----------------

compile 'com.android.support:appcompat-v7:24.2.0'

compile 'com.android.support:recyclerview-v7:24.2.0'

compile 'com.android.support:cardview-v7:24.2.0'

compile 'com.android.support:design:24.2.0'