android 仿网易客户端 底部切换tab签

【实例截图】

import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.RelativeLayout;
import android.widget.TabHost;

import com.and.netease.utils.MoveBg;

@SuppressWarnings("deprecation")
public class MainActivity extends TabActivity {
TabHost tabHost;
TabHost.TabSpec tabSpec;
RadioGroup radioGroup;
RelativeLayout bottom_layout;
ImageView img;
int startLeft;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

bottom_layout = (RelativeLayout) findViewById(R.id.layout_bottom);

tabHost = getTabHost();
tabHost.addTab(tabHost.newTabSpec("news").setIndicator("News")
.setContent(new Intent(this, TabNewsActivity.class)));
tabHost.addTab(tabHost.newTabSpec("topic").setIndicator("Topic")
.setContent(new Intent(this, TabTopicActivity.class)));
tabHost.addTab(tabHost.newTabSpec("picture").setIndicator("Picture")
.setContent(new Intent(this, TabPicActivity.class)));
tabHost.addTab(tabHost.newTabSpec("follow").setIndicator("Follow")
.setContent(new Intent(this, TabFollowActivity.class)));
tabHost.addTab(tabHost.newTabSpec("vote").setIndicator("Vote")
.setContent(new Intent(this, TabVoteActivity.class)));

radioGroup = (RadioGroup) findViewById(R.id.radiogroup);
radioGroup.setOnCheckedChangeListener(checkedChangeListener);

img = new ImageView(this);
img.setImageResource(R.drawable.tab_front_bg);
bottom_layout.addView(img);
}

private OnCheckedChangeListener checkedChangeListener = new OnCheckedChangeListener() {

@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.radio_news:
tabHost.setCurrentTabByTag("news");
MoveBg.moveFrontBg(img, startLeft, 0, 0, 0);
startLeft = 0;
break;
case R.id.radio_topic:
tabHost.setCurrentTabByTag("topic");
MoveBg.moveFrontBg(img, startLeft, img.getWidth(), 0, 0);
startLeft = img.getWidth();
break;
case R.id.radio_pic:
tabHost.setCurrentTabByTag("picture");
MoveBg.moveFrontBg(img, startLeft, img.getWidth() * 2, 0, 0);
startLeft = img.getWidth() * 2;
break;
case R.id.radio_follow:
tabHost.setCurrentTabByTag("follow");
MoveBg.moveFrontBg(img, startLeft, img.getWidth() * 3, 0, 0);
startLeft = img.getWidth() * 3;
break;
case R.id.radio_vote:
tabHost.setCurrentTabByTag("vote");
MoveBg.moveFrontBg(img, startLeft, img.getWidth() * 4, 0, 0);
startLeft = img.getWidth() * 4;
break;

default:
break;
}
}
};
}