//布局
<LinearLayout
android:orientation="vertical"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.handmark.pulltorefresh.library.PullToRefreshListView
android:id="@+id/pull_to_refresh_listview"
android:layout_height="fill_parent"
android:layout_width="fill_parent" />
</LinearLayout>
//MainActivity
public class MainActivity extends AppCompatActivity {
private PullToRefreshListView listView;
private List<String> names = new ArrayList<>();
private MyAdapter myAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
names.add("张三");
myAdapter = new MyAdapter(names);
listView.setAdapter(myAdapter);
}
private void initViews() {
listView = findViewById(R.id.pull_to_refresh_listview);
//设置，上啦和下拉都可以
listView.setMode(PullToRefreshBase.Mode.BOTH);
//设置监听
listView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
@Override
public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
//下拉刷新
new Thread(){
@Override
public void run() {
try {
Thread.sleep(2000);
names.clear();
names.add("下拉刷新");
//记得关闭头布局
runOnUiThread(new Runnable() {
@Override
public void run() {
myAdapter.notifyDataSetChanged();
listView.onRefreshComplete();
}
});
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
}
@Override
public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
//上啦刷新
new Thread(){
@Override
public void run() {
try {
Thread.sleep(2000);
names.add("上啦刷新---");
//记得关闭头布局
runOnUiThread(new Runnable() {
@Override
public void run() {
myAdapter.notifyDataSetChanged();
listView.onRefreshComplete();
}
});
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}.start();
}
});
}
class MyAdapter extends BaseAdapter {
private List<String> list;
public MyAdapter(List<String> list) {
this.list = list;
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView textView = new TextView(MainActivity.this);
textView.setTextSize(25);
textView.setText(list.get(position));
return textView;
}
}
}