Android基于ViewPager Fragment实现选项卡

public class txListener implements View.OnClickListener{ private int index=0;

public txListener(int i) { index =i;

} @Override

public void onClick(View v) { // TODO Auto-generated method stub

mPager.setCurrentItem(index); }

} /*

* 初始化图片的位移像素 */

public void InitImage(){ image = (ImageView)findViewById(R.id.cursor);

bmpW = BitmapFactory.decodeResource(getResources(), R.drawable.cursor).getWidth(); DisplayMetrics dm = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(dm); int screenW = dm.widthPixels;

offset = (screenW/4 - bmpW)/2; //imgageview设置平移，使下划线平移到初始位置（平移一个offset）

Matrix matrix = new Matrix(); matrix.postTranslate(offset, 0);

image.setImageMatrix(matrix); }

/* * 初始化ViewPager

*/ public void InitViewPager(){

mPager = (ViewPager)findViewById(R.id.viewpager); fragmentList = new ArrayList<Fragment>();

Fragment btFragment= new ButtonFragment(); Fragment secondFragment = TestFragment.newInstance("this is second fragment");

Fragment thirdFragment = TestFragment.newInstance("this is third fragment"); Fragment fourthFragment = TestFragment.newInstance("this is fourth fragment");

fragmentList.add(btFragment); fragmentList.add(secondFragment);

fragmentList.add(thirdFragment); fragmentList.add(fourthFragment);

//给ViewPager设置适配器 mPager.setAdapter(new MyFragmentPagerAdapter(getSupportFragmentManager(), fragmentList));

mPager.setCurrentItem(0);//设置当前显示标签页为第一页 mPager.setOnPageChangeListener(new MyOnPageChangeListener());//页面变化时的监听器

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Android基于ViewPager Fragment实现选项卡

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