【移动应用开发技术】android如何使用SwipeRefreshLayout实现ListView下拉刷新上拉加载

【移动应用开发技术】android如何使用SwipeRefreshLayout实现ListView下拉刷新上拉加载

/upload/information/20200623/125/125168.gif<?xml

version="1.0"

encoding="utf-8"?>

<android.support.v4.widget.SwipeRefreshLayout

xmlns:android="/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:id="@+id/srfl">

<ListView

android:layout_width="match_parent"

android:layout_height="match_parent"

android:id="@+id/listview"

/>

</android.support.v4.widget.SwipeRefreshLayout>public

class

MainActivity

extends

Activity

{

private

ListView

mListView;

private

SwipeRefreshLayout

swipeRefreshLayout;

private

List<String>

stringList=new

ArrayList<>();

private

ArrayAdapter<String>

adapter;

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

for

(int

x=0

;

x<16;x++){

stringList.add("新浪微博：搏击爱好者Z"+""+x);

}

initView();

}

private

void

initView()

{

swipeRefreshLayout=

(SwipeRefreshLayout)

findViewById(R.id.srfl);

//设置进度圈的大小;(这里面只有两个值SwipeRefreshLayout.LARGE和DEFAULT，后者是默认效果)

swipeRefreshLayout.setSize(SwipeRefreshLayout.LARGE);

//设置进度圈的背景色。这里随便给他设置了一个颜色：浅绿色

swipeRefreshLayout.setProgressBackgroundColorSchemeColor(Color.CYAN);

//设置进度动画的颜色。这里面最多可以指定四个颜色，我这也是随机设置的，大家知道怎么用就可以了

swipeRefreshLayout.setColorSchemeResources(android.R.color.holo_orange_dark

,android.R.color.holo_blue_dark

,android.R.color.holo_red_dark

,android.R.color.widget_edittext_dark);

mListView=

(ListView)

findViewById(R.id.listview);

adapter

=

new

ArrayAdapter<>(MainActivity.this,

android.R.layout.simple_list_item_1,

stringList);

mListView.setAdapter(adapter);

//设置手势滑动监听器

swipeRefreshLayout.setOnRefreshListener(new

SwipeRefreshLayout.OnRefreshListener()

{

public

void

onRefresh()

{

//发送一个延时1秒的handler信息

handler.sendEmptyMessageDelayed(199,1000);

}

});

//给listview设置一个滑动的监听

mListView.setOnScrollListener(new

AbsListView.OnScrollListener()

{

//当滑动状态发生改变的时候执行

public

void

onScrollStateChanged(AbsListView

view,

int

scrollState)

{

switch

(scrollState){

//当不滚动的时候

case

AbsListView.OnScrollListener.SCROLL_STATE_IDLE:

//判断是否是最底部

if(view.getLastVisiblePosition()==(view.getCount())-1){

for(int

x=0;x<5;x++){

stringList.add(stringList.size(),"魔兽世界"+x);

}

adapter.notifyDataSetChanged();

}

break;

}

}

//正在滑动的时候执行

public

void

onScroll(AbsListView

view,

int

firstVisibleItem,

int

visibleItemCount,

int

totalItemCount)

{

}

});

}

private

Handler

handler=new

Handler(){

@Override

public

void

handleMessage(Message

msg)

{

if(msg.what==199){

stringLis