maven {
    url 'https://oss.sonatype.org/content/repositories/snapshots'
}

mavenCentral()

<dependency>
    <groupId>in.srain.cube</groupId>
    <artifactId>ultra-ptr</artifactId>
    <type>aar</type>
    <!-- or apklib format, if you want -->
    <!-- <type>apklib</type> -->
    <version>1.0.11</version>
</dependency>

稳定版

```xml
<dependency>
    <groupId>in.srain.cube</groupId>
    <artifactId>ultra-ptr</artifactId>
    <type>aar</type>
    <!-- or apklib format, if you want -->
    <!-- <type>apklib</type> -->
    <version>1.0.11</version>
</dependency>

compile 'in.srain.cube:ultra-ptr:1.0.11'

compile 'in.srain.cube:ultra-ptr:1.0.11'

<in.srain.cube.views.ptr.PtrFrameLayout
    android:id="@+id/store_house_ptr_frame"
    xmlns:cube_ptr="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"

    cube_ptr:ptr_resistance="1.7"
    cube_ptr:ptr_ratio_of_header_height_to_refresh="1.2"
    cube_ptr:ptr_duration_to_close="300"
    cube_ptr:ptr_duration_to_close_header="2000"
    cube_ptr:ptr_keep_header_when_refresh="true"
    cube_ptr:ptr_pull_to_fresh="false" >

    <LinearLayout
        android:id="@+id/store_house_ptr_image_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/cube_mints_333333"
        android:clickable="true"
        android:padding="10dp">

        <in.srain.cube.image.CubeImageView
            android:id="@+id/store_house_ptr_image"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </LinearLayout>

</in.srain.cube.views.ptr.PtrFrameLayout>

// the following are default settings
mPtrFrame.setResistance(1.7f);
mPtrFrame.setRatioOfHeaderHeightToRefresh(1.2f);
mPtrFrame.setDurationToClose(200);
mPtrFrame.setDurationToCloseHeader(1000);
// default is false
mPtrFrame.setPullToRefresh(false);
// default is true
mPtrFrame.setKeepHeaderWhenRefresh(true);

// header
final StoreHouseHeader header = new StoreHouseHeader(getContext());
header.setPadding(0, LocalDisplay.dp2px(15), 0, 0);

/**
 * using a string, support: A-Z 0-9 - .
 * you can add more letters by {@link in.srain.cube.views.ptr.header.StoreHousePath#addChar}
 */
header.initWithString('Alibaba');

header.initWithStringArray(R.array.storehouse);

<resources>
    <string-array name="storehouse">
        <item>0,35,12,42,</item>
        <item>12,42,24,35,</item>
        <item>24,35,12,28,</item>
        <item>0,35,12,28,</item>
        <item>0,21,12,28,</item>
        <item>12,28,24,21,</item>
        <item>24,35,24,21,</item>
        <item>24,21,12,14,</item>
        <item>0,21,12,14,</item>
        <item>0,21,0,7,</item>
        <item>12,14,0,7,</item>
        <item>12,14,24,7,</item>
        <item>24,7,12,0,</item>
        <item>0,7,12,0,</item>
    </string-array>
</resources>

public interface PtrHandler {

    /**
     * 检查是否可以执行下来刷新，比如列表为空或者列表第一项在最上面时。
     * <p/>
     * {@link in.srain.cube.views.ptr.PtrDefaultHandler#checkContentCanBePulledDown}
     */
    public boolean checkCanDoRefresh(final PtrFrameLayout frame, final View content, final View header);

    /**
     * 需要加载数据时触发
     *
     * @param frame
     */
    public void onRefreshBegin(final PtrFrameLayout frame);
}

ptrFrame.setPtrHandler(new PtrHandler() {
    @Override
    public void onRefreshBegin(PtrFrameLayout frame) {
        frame.postDelayed(new Runnable() {
            @Override
            public void run() {
                ptrFrame.refreshComplete();
            }
        }, 1800);
    }

    @Override
    public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
        // 默认实现，根据实际情况做改动
        return PtrDefaultHandler.checkContentCanBePulledDown(frame, content, header);
    }
});