我正在開發Android應用程序。在我的應用程序中,我必須使用5片段,並從片段1到5刷卡。所以我使用了一個FragmentActivity,FragmentPagerAdapter和5個片段。 現在我可以通過所有的片段刷卡,並且可以使用更改FragmentPagerAdapter適配器在片段按鈕上的位置點擊
ViewPager.OnPageChangeListener()
我必須添加在所有的碎片和按鈕點擊按鈕必須打開,如滑動在未來片段識別當前的片段。我怎麼能這樣做?在這裏,我發佈了一些我的代碼片段。
fragmentactivity.java
public class HomeScreen extends FragmentActivity
{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.themed_circles);
mAdapter = new InsuranceFragmentAdapter(getSupportFragmentManager(),
HomeScreen.this);
mPager = (ViewPager) findViewById(R.id.pager);
mPager.setAdapter(mAdapter);
mIndicator = (CirclePageIndicator) findViewById(R.id.indicator);
mIndicator.setViewPager(mPager);
// mIndicator.setCurrentItem(2);
mIndicator
.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
private int pos;
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrolled(int position,
float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageScrollStateChanged(int state) {
System.out.println("test scroll state" + state);
}
});
}
}
以下是我用於滑動片段的FragmentPagerAdapter。
FragmentPagerAdapter.java
public class InsuranceFragmentAdapter extends FragmentPagerAdapter {
Context contx;
public InsuranceFragmentAdapter(FragmentManager fm, Context ctx) {
super(fm);
this.contx = ctx;
}
@Override
public Fragment getItem(int position) {
Fragment fragment = null;
switch (position) {
case 0:
fragment = Fragment.instantiate(contx, com.lic.fragments.FragmentBasicPersonal.class.getName());
break;
case 1:
fragment = Fragment.instantiate(contx, com.lic.fragments.FragmentationNomineeDetails.class.getName());
break;
}
return fragment;
}
@Override
public int getCount() {
return 2;
}
public void setCount(int count) {
}
}
和我的片段之一如下。 fragment_one.java
public class FragmentFemale extends Fragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View layout = inflater.inflate(R.layout.fragment_female_husband, container, false);
next= (Button) layout.findViewById(R.id.save);
next.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//need to change to next fragment
}
}
return layout;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
// outState.putString(KEY_CONTENT, mContent);
}
}
請幫助解決我的問題。
codedroid的這則訊息的答案讓我:http://stackoverflow.com/questions/16644853/viewpager-adapter-in-fragment-laggy-swiping – owe