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Android SwipeRefreshLayout 官方下拉刷新控件使用

2016-04-28 16:59 519 查看
下面App基本都有下拉刷新的功能,以前基本都使用XListView或者自己写一个下拉刷新,近期Google提供了一个官方的下拉刷新控件SwipeRefreshLayout,我感觉还不错啊,见惯了传统的下拉刷新,这个反而给人耳目一新的感觉(貌似知乎的APP已经使用这种下拉刷新了)。

Google也在官方网站给出了V4的兼容包:



顺便看一眼API呗:



和XlistView差不多,还是很方便使用的,大概就这4个常用的方法,下面贴个简单的例子。

1、布局文件:

[html]
view plain
copy





<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/id_swipe_ly"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ListView
android:id="@+id/id_listview"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</ListView>
</android.support.v4.widget.SwipeRefreshLayout>

</RelativeLayout>

2、MainActivty:

[java]
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package com.zhy.swiperefreshlayoutdemo;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.widget.SwipeRefreshLayout;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends Activity implements SwipeRefreshLayout.OnRefreshListener
{

private static final int REFRESH_COMPLETE = 0X110;
private SwipeRefreshLayout mSwipeLayout;
private ListView mListView;
private ArrayAdapter<String> mAdapter;
private List<String> mDatas = new ArrayList<String>(Arrays.asList("Java", "Javascript", "C++", "Ruby", "Json",
"HTML"));

private Handler mHandler = new Handler()
{
public void handleMessage(android.os.Message msg)
{
switch (msg.what)
{
case REFRESH_COMPLETE:
mDatas.addAll(Arrays.asList("Lucene", "Canvas", "Bitmap"));
mAdapter.notifyDataSetChanged();
mSwipeLayout.setRefreshing(false);
break;

}
};
};

@SuppressLint("InlinedApi")
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

mListView = (ListView) findViewById(R.id.id_listview);
mSwipeLayout = (SwipeRefreshLayout) findViewById(R.id.id_swipe_ly);

mSwipeLayout.setOnRefreshListener(this);
mSwipeLayout.setColorScheme(android.R.color.holo_blue_bright, android.R.color.holo_green_light,
android.R.color.holo_orange_light, android.R.color.holo_red_light);
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mDatas);
mListView.setAdapter(mAdapter);

}

public void onRefresh()
{
// Log.e("xxx", Thread.currentThread().getName());
// UI Thread

mHandler.sendEmptyMessageDelayed(REFRESH_COMPLETE, 2000);

}
}

好了,结束,我感觉效果挺好看的,不妨试试。
效果图:



ok ~

转载出处:http://blog.csdn.net/lmj623565791/article/details/24521483

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