xml布局文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:id="@+id/drawer_layout"
android:orientation="vertical"
tools:context="example.com.picassodemo.MainActivity">
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe_refresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/lv_activity"
android:layout_width="match_parent"
android:layout_height="match_parent"></ListView>
</android.support.v4.widget.SwipeRefreshLayout>
</LinearLayout>
JAVA
public class MainActivity extends AppCompatActivity {
@RequiresApi(api = Build.VERSION_CODES.M)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final SwipeRefreshLayout swipeRefresh= (SwipeRefreshLayout) findViewById(R.id.swipe_refresh);
swipeRefresh.setColorSchemeColors(getResources().getColor(R.color.colorAccent,null));
swipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
Toast.makeText(getApplicationContext(),"onRefresh",Toast.LENGTH_SHORT).show();
new Thread(new Runnable() {
@Override
public void run() {
try{
Thread.sleep(2000);
}catch (Exception e){
e.printStackTrace();
}
runOnUiThread(new Runnable() {
@Override
public void run() {
//更新数据
swipeRefresh.setRefreshing(false);
}
});
}
}).start();
}
});
}
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