我的类(class) MainActivity 有错误。
错误: 方法getActivity()未定义为MainActivity类型
public class MainActivity extends SherlockFragmentActivity{
PlaceSlidesFragmentAdapter mAdapter;
ViewPager mPager;
PageIndicator mIndicator;
public static final String TAG = "detailsFragment";
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.main,
container, false);
mAdapter = new PlaceSlidesFragmentAdapter(getActivity()
.getSupportFragmentManager());
mPager = (ViewPager) view.findViewById(R.id.pager);
mPager.setAdapter(mAdapter);
mIndicator = (CirclePageIndicator) view.findViewById(R.id.indicator);
mIndicator.setViewPager(mPager);
((CirclePageIndicator) mIndicator).setSnap(true);
mIndicator
.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageSelected(int position) {
Toast.makeText(MainActivity.this.getActivity(),
"Changed to page " + position,
Toast.LENGTH_SHORT).show();
}
@Override
public void onPageScrolled(int position,
float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
return view;
}
}
最佳答案
这是因为您在内部类中使用 getActivity()
。尝试使用:
SherlockFragmentActivity.this.getActivity()
相反,虽然确实不需要 getActivity()
部分。在你的情况下,
SherlockFragmentActivity .this
应该足够了。
关于Android getActivity() 未定义,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14705973/