Android pull-down refresh control, android Control

Android pull-down refresh control, android Control

Activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="com.example.xiala.MainActivity" >    <android.support.v4.widget.SwipeRefreshLayout        xmlns:android="http://schemas.android.com/apk/res/android"        android:id="@+id/swipe_container"        android:layout_width="match_parent"        android:layout_height="match_parent" >        <ScrollView            android:layout_width="match_parent"            android:layout_height="match_parent" >            <TextView                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:layout_marginTop="16dp"                android:gravity="center"                android:text="@string/hello_world" />        </ScrollView>    </android.support.v4.widget.SwipeRefreshLayout></RelativeLayout>

MainActivity. java

import android.os.Bundle;import android.os.Handler;import android.support.v4.widget.SwipeRefreshLayout;import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;import android.support.v7.app.ActionBarActivity;public class MainActivity extends ActionBarActivity implements OnRefreshListener{    private SwipeRefreshLayout swipeLayout;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        swipeLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);        swipeLayout.setOnRefreshListener(this);        swipeLayout.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);    }    public void onRefresh() {        new Handler().postDelayed(new Runnable() {            @Override public void run() {                swipeLayout.setRefreshing(false);            }        }, 5000);    }}

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