刷新列表pulltorefresh

最新推荐文章于 2021-06-09 14:23:18 发布

Ren15306

最新推荐文章于 2021-06-09 14:23:18 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/RenZjun/article/details/78012164

本文介绍了一个使用 PullToRefreshLayout 实现下拉刷新和上拉加载更多功能的示例应用。通过 Android 的 ListView 和自定义的 PullToRefreshLayout 控件，演示了如何在实际应用中集成这些交互特性。

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MainActivity

package day.com.pulltorefresh_dome;

import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Display;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.jwenfeng.library.pulltorefresh.BaseRefreshListener;
import com.jwenfeng.library.pulltorefresh.PullToRefreshLayout;
import java.util.LinkedList;

public class MainActivity extends AppCompatActivity {
private ListView mlistview;

//开发者可以使用 PullToRefresh 对各种控件实现下拉刷新或者上拉加载以及可以自定义刷新和加载部分的视图。
private PullToRefreshLayout mpullto;
private LinkedList<String> mListItems;
private ArrayAdapter<String> mAdapter;
private int mItemCount = 9;
public static final String TAG="MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mpullto= (PullToRefreshLayout) findViewById(R.id.mpull);
mlistview= (ListView) findViewById(R.id.mlv);
//初始化数据
initDatas();
mAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, mListItems);
mlistview.setAdapter(mAdapter);
mpullto.setLayoutMode(MODE_APPEND);//设置模板
mpullto.setRefreshListener(new BaseRefreshListener() {
@Override
public void refresh() {
Log.i(TAG, "refresh: ");
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
mpullto.finishRefresh();
}
}, 3000);

}

@Override
public void loadMore() {
Log.i(TAG, "loadMore: ");
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
mpullto.finishLoadMore();
}
}, 3000

);

}
});

}

private void initDatas()
{
// 初始化数据和数据源
mListItems = new LinkedList<String>();

for (int i = 0; i < mItemCount; i++)
{
mListItems.add("" + i);
}
}

}

注意添加依赖

compile 'com.jwenfeng.pulltorefresh:library:1.0.3'

布局文件

<?xml version="1.0" encoding="utf-8"?>
<com.jwenfeng.library.pulltorefresh.PullToRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:id="@+id/mpull"
android:layout_height="match_parent">
<ListView
android:id="@+id/mlv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"></ListView>
<WebView
android:layout_width="wrap_content"
android:layout_height="wrap_content"></WebView>

</com.jwenfeng.library.pulltorefresh.PullToRefreshLayout>