创建TextView

private void initdata() {
    for (int i=0;i<titles.length;i++)
    {
        TextView textView = new TextView(this);
        textView.setText(titles[i]);
        textView.setTextSize(20);
        textView.setId(i+1000);
        textView.setOnClickListener(new Click());
        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewPager.LayoutParams.WRAP_CONTENT, ViewPager.LayoutParams.WRAP_CONTENT);
        layoutParams.setMargins(20,10,20,10);
        if(i==0)
        {
            textView.setTextColor(Color.RED);
        }else
        {
            textView.setTextColor(Color.BLACK);
        }
        arr.add(textView);
        lin.addView(textView,layoutParams);//布局ID
    }

}
class Click implements View.OnClickListener {

    @Override
    public void onClick(View view) {
        int id = view.getId();
        pager.setCurrentItem(id-1000);
    }
}