大家好，又见面了，我是你们的朋友全栈君。
Activity：
import java.util.Date;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;
import android.widget.TextView;
import android.app.Activity;
public class SwipeRefreshActivity extends Activity implements OnRefreshListener{
private SwipeRefreshLayout swipeRefreshLayout;
private TextView dateTv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.refresh);
dateTv = (TextView) findViewById(R.id.date);
swipeRefreshLayout.setOnRefreshListener(this);
}
@Override
public void onRefresh() {
swipeRefreshLayout.setRefreshing(true);
(new Handler()).postDelayed(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(false);
Date date = new Date(System.currentTimeMillis());
dateTv.setText(DateFormat.getDateTimeInstance().format(date));
}
}, 3000);
}
}
布局文件：
xmlns:tools=”http://schemas.android.com/tools”
android:id=”@+id/refresh”
android:layout_width=”match_parent”
android:layout_height=”match_parent”
tools:context=”.SwipeRefreshActivity” >
<ScrollView
android:layout_width=”match_parent”
android:layout_height=”match_parent” >
<LinearLayout
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:orientation=”vertical” >
<TextView
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”下拉刷新以产生当前日期” />
<TextView
android:id=”@+id/date”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”日期” />
</LinearLayout>
</ScrollView>
</android.support.v4.widget.SwipeRefreshLayout>
发布者：全栈程序员-站长，转载请注明出处：https://javaforall.net/152940.html原文链接：https://javaforall.net
