android仿网易客户端制作

[android]代码库

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() {

		public void onCheckedChanged(RadioGroup group, int checkedId) {
			switch (checkedId) {
			case R.id.radio_news:
				tabHost.setCurrentTabByTag("news");
//				moveFrontBg(img, startLeft, 0, 0, 0);
				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;
			}
		}
	};
}

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