2 ViewPager类设置当前页面的方法是()?
A. setCurrentItem()
B. setAdapter()
C. onPageScroll StateChanged()
D. addOnPageChangeListener()
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3 ViewPager选中页面时,滑动结束时触发哪个方法()?
A. addOnPageChangeListener()
B. onPageScroll StateChanged()
C. onPageScrolled()
D. onPageSelected()
4 ViewPager滑动状态变化时触发哪个方法()?
A. addOnPageChangeListener()
B. onPageScroll StateChanged()
C. onPageScrolled()
D. onPageSelected()
5 ViewPager滑动过程中触发哪个方法()?
A. addOnPageChangeListener()
B. onPageScroll StateChanged()
C. onPageScrolled()
D. onPageSelected()
7 使用RadioGroup默认显示第一个选项,请补全下面的代码()?public class MainActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener,RadioGroup.OnCheckedChangeListener private ListmTabs= new ArrayList<>(); private void initData() { mTabs.add(R.id.radioButton1); mTabs.add(R.id.radioButton7); ( ?); }
A. mRadiogroup.check(R.id.radioButton7);
B. mRadiogroup.set(R.id.radioButton7);
C. mRadiogroup.check(R.id.radioButton1);
D. mRadiogroup.findViewByid(R.id.radioButton7);