仿腾讯新闻，点击屏幕重新加载的实现,直接贴代码

标签：腾讯   新闻   点击屏幕重新加载   

<pre class="java" name="code">package com.example.clicktoreload;

import com.example.clicktoreload.ClickScreenToReload.Reload;

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends Activity {
	ClickScreenToReload  clickScreenToReload ;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	    clickScreenToReload = (ClickScreenToReload) findViewById(R.id.clickScreenToReload1);
	    new Thread(){
	    	public void run() {
	    		try {
					Thread.sleep(2000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
	    		handler.sendEmptyMessage(0);
	    	};
	    }.start();
	   clickScreenToReload.reload.clicktoreload();{
		   
	   };
	}
	private Handler handler  = new Handler(){
		public void handleMessage(android.os.Message msg) {
			clickScreenToReload.setloadfail();
		
		};
	};

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

package com.example.clicktoreload;


import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.RelativeLayout;

public class ClickScreenToReload extends View {
	private View view;
	private Context context;
	public ClickScreenToReload(Context context, AttributeSet attrs) {
		super(context, attrs);
		this.context = context;
		// TODO Auto-generated constructor stub
		init();
	}
	private RelativeLayout loadingLayout,reloadlayout;
	Reload reload;
	private void init(){
		reload  = new Reload() {
			@Override
			public void clicktoreload() {
				// TODO Auto-generated method stub
				
			}
		};
		view  = LayoutInflater.from(context).inflate(R.layout.clickroreload, null);
		loadingLayout  = (RelativeLayout) view.findViewById(R.id.reloadlayout);
		reloadlayout = (RelativeLayout) view.findViewById(R.id.reloadlayout);
		setLoading();
		reloadlayout.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				reload.clicktoreload();
				setLoading();
			}
		});
	}
	public void setLoading(){
		reloadlayout.setVisibility(View.GONE);
		loadingLayout.setVisibility(View.VISIBLE);
	}
	public void setloadfail(){
		reloadlayout.setVisibility(View.VISIBLE);
		loadingLayout.setVisibility(View.GONE);
	}
	public interface Reload{
		public void clicktoreload();
		
	}
}

 布局如下

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/FrameLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

     <RelativeLayout
         android:id="@+id/loadinglayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <LinearLayout
            android:id="@+id/linearLayout1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true" 
            android:orientation="horizontal">

            <ProgressBar
                android:id="@+id/progressBar1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />

            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_gravity="center_vertical"
                android:layout_toRightOf="@+id/linearLayout1"
                android:text="加载中..." />

        </LinearLayout>

        
    </RelativeLayout>


    <RelativeLayout
        android:id="@+id/reloadlayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:text="点击屏幕重新加载" />
    </RelativeLayout>

</FrameLayout>

仿腾讯新闻，点击屏幕重新加载的实现,直接贴代码

标签：腾讯   新闻   点击屏幕重新加载   

原文地址：http://blog.csdn.net/jgszhuzhu/article/details/39325123