- 导入依赖
compile 'in.srain.cube:ultra-ptr:1.0.11'
- 布局文件中引用
<in.srain.cube.views.ptr.PtrFrameLayout xmlns:cube_ptr="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/ptr"
android:layout_width="match_parent"
android:layout_height="match_parent"
cube_ptr:ptr_duration_to_close="200"
cube_ptr:ptr_duration_to_close_header="1000"
cube_ptr:ptr_keep_header_when_refresh="true"
cube_ptr:ptr_pull_to_fresh="false"
cube_ptr:ptr_ratio_of_header_height_to_refresh="2.2"
cube_ptr:ptr_resistance="1.7">
<LinearLayout
android:id="@+id/content_loading"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
android:visibility="visible">
<TextView
android:id="@+id/textView2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="加载中..."/>
<ProgressBar
style="?android:attr/progressBarStyle"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
<ListView
android:id="@+id/content_blog_list"
android:dividerHeight="2dp"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</in.srain.cube.views.ptr.PtrFrameLayout>
- 获取控件
private PtrFrameLayout mPtrFrame;
mPtrFrame = (PtrFrameLayout) view.findViewById(R.id.ptr);//下拉刷新插件
- 自定义
View view = View.inflate(context, R.layout.content_list, null);
LinearLayout loading = (LinearLayout) view.findViewById(R.id.content_loading);
blogList = (ListView) view.findViewById(R.id.content_blog_list);
mPtrFrame = (PtrFrameLayout) view.findViewById(R.id.ptr);//下拉刷新插件
loading.setVisibility(View.VISIBLE);
final PtrClassicDefaultHeader header = new PtrClassicDefaultHeader(context);
header.setPadding(0, PtrLocalDisplay.dp2px(15), 0, 0);
mPtrFrame.setHeaderView(header);
mPtrFrame.addPtrUIHandler(header);
mPtrFrame.setPtrHandler(new PtrHandler() {
@Override
public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
//当listview在第一个的时候才能下拉刷新
if (blogList.getChildAt(0) != null) {
if (blogList.getChildAt(0).getTop() == 0) {
return true;
} else {
return false;
}
} else {
return true;
}
}
@Override
public void onRefreshBegin(PtrFrameLayout frame) {
mPtrFrame.postDelayed(new Runnable() {
@Override
public void run() {
mPtrFrame.refreshComplete();
getDataFromNet();
mPtrFrame.autoRefresh();//自动刷新
}
}, 1800);
}
});
loading.setVisibility(View.INVISIBLE);
mPtrFrame.autoRefresh();
