Modification

I had made a modification of the Ultra-Pull-to-Refresh library and let it support load-more function. It supports every view as like as pull-to-refresh. All the logic is simulated to the pull-to-refresh and the configurations(resistance, duration etc.) are shared for both load-more and pull-to-refresh. Currently, only the Home page（PtrDemoHomeFragment） and AutoRefresh（WithGridView） page in demo are modified to demonstrate how to use load-more. But the mechanism should be the same as pull-to-refresh.

If your want to this fork, please download this project and import to your IDE manually. The gradle and maven below is not supported by this fort yet.

PS: All the API are not modified. If you have used the origin Ultra-Pull-To-Refresh library, there will be no need to change your code if you move to this fork.

Thank you for Huqiu Liao, who created such a great library. His code was so scalable and made my modification easier.

This fork is just developed and there would be bugs. Please feel free to report me if you found some bugs.

Github: https://github.com/captainbupt

New functions and classes

setFooterView: Corresponding to setHeaderView(). You may also need call addPtrUIHandler() after setting the footer view, which is the same mechanism as setting header.
PtrHandler2: A complementary of PtrHandler. When using load more function, you should call setPtrHandler(new PtrHandler2()), rather than setPtrHandler(new PtrHandler()).
PtrDefaultHandler2: Implemented a default checkCanDoLoadMore() logic. The same mechanism as PtrDefaultHandler.
PtrClassicDefaultFooter: Serve as a default footer which is the reverse of the default header.
setMode(Mode): The mode is a new feature of this library. By using setMode, you can enable or disable either header or footer. The argument is an enum, you should it like setMode(Mode.BOTH).

中文版文档

Ultra Pull To Refresh

It's a replacement for the deprecated pull to refresh solution. It can contain any view you want.

It's easy to use and more powerful than SwipeRefreshLayout.

It's well designed, you can customize the UI effect you want as easy as adding a headview to ListView.

Support API LEVEL >= 8, all snapshots are taken from Genymotion, 2.3.7.

Download APK

StoreHouse Style first! Thanks to CBStoreHouseRefreshControl.
Material Style, added @ 2014-12-09. There is a beautiful shadow which looks terrible in gif snapshot. Please Check out the DEMO.
Supports all of the views: ListView, GridView, ScrollView, FrameLayout, or Even a single TextView.
Supports all of the refresh types.
- pull to refresh
- release to refresh
- keep header when refresh
- hide header when refresh
- auto refresh

Usage

Maven Central

This project has been pushed to Maven Central, both in aar and apklib.

The latest version: 1.0.11, has been published to: https://oss.sonatype.org/content/repositories/snapshots, in gradle:

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

The stable version: 1.0.11, https://oss.sonatype.org/content/repositories/releases, in gradle:

mavenCentral()

pom.xml, latest version:

<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>

pom.xml, stable version:

<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>

gradle, latest version:

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

gradle, stable version:

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

Config

There are 6 properties:

Resistence

This is the resistence while you are moving the frame, default is: 1.7f.
Ratio of the Height of the Header to Refresh

The ratio of the height of the header to trigger refresh, default is: 1.2f.
Duration to Close

The duration for moving from the position you relase the view to the height of header, default is 200ms.
Duration to Close Header

The default value is 1000ms
Keep Header while Refreshing

The default value is true.
Pull to Refresh / Release to Refresh

The default value is Release to Refresh.

Config in xml

<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>

Or config in java code

// 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);

Other Config

setPinContent. Pin the content, only the HeaderView will be moved.

This's the the performance of material style in support package v19.

StoreHouse Style

Config using string:

// 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');

Config using string array from xml:

header.initWithStringArray(R.array.storehouse);

And in res/values/arrays.xml:

<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>

Process Refresh

There is a PtrHandler, by which you can refresh the data.

public interface PtrHandler {

    /**
     * Check can do refresh or not. For example the content is empty or the first child is in view.
     * <p/>
     * {@link in.srain.cube.views.ptr.PtrDefaultHandler#checkContentCanBePulledDown}
     */
    public boolean checkCanDoRefresh(final PtrFrameLayout frame, final View content, final View header);

    /**
     * When refresh begin
     *
     * @param frame
     */
    public void onRefreshBegin(final PtrFrameLayout frame);
}

An example:

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) {
        return PtrDefaultHandler.checkContentCanBePulledDown(frame, content, header);
    }
});

Customize

You can add a PtrUIHandler to PtrFrameLayout to implement any UI effect you want.

public interface PtrUIHandler {

    /**
     * When the content view has reached top and refresh has been completed, view will be reset.
     *
     * @param frame
     */
    public void onUIReset(PtrFrameLayout frame);

    /**
     * prepare for loading
     *
     * @param frame
     */
    public void onUIRefreshPrepare(PtrFrameLayout frame);

    /**
     * perform refreshing UI
     */
    public void onUIRefreshBegin(PtrFrameLayout frame);

    /**
     * perform UI after refresh
     */
    public void onUIRefreshComplete(PtrFrameLayout frame);

    public void onUIPositionChange(PtrFrameLayout frame, boolean isUnderTouch, byte status, int oldPosition, int currentPosition, float oldPercent, float currentPercent);
}

Q & A

work with ViewPager: disableWhenHorizontalMove()
work with LongPressed, setInterceptEventWhileWorking()

Contact & Help

Please fell free to contact me if there is any problem when using the library.

[email protected]
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blog: http://www.liaohuqiu.net
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1. About how to use cube-sdk / Ultra Ptr: 271918140 (cube-sdk)
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