Android 如何将片段添加到ViewPager?
我有一个SplashScreen,它是一个ViewPager,我需要在点击时将登录片段添加到其中 这是我的PagerAdapter:Android 如何将片段添加到ViewPager?,android,android-fragments,android-viewpager,Android,Android Fragments,Android Viewpager,我有一个SplashScreen,它是一个ViewPager,我需要在点击时将登录片段添加到其中 这是我的PagerAdapter: public class SplashSAdapter extends PagerAdapter { Context ssContext; Activity _activity; private int[] ssImages = new int[] { R.drawable.splashscreen1,R.drawable.splashs
public class SplashSAdapter extends PagerAdapter {
Context ssContext;
Activity _activity;
private int[] ssImages = new int[] { R.drawable.splashscreen1,R.drawable.splashscreen2, R.drawable.splashscreen3 };
public SplashSAdapter(Context ssContext, Activity activity) {
this.ssContext = ssContext;
this._activity = activity;
}
@Override
public int getCount() {
return ssImages.length;
}
@Override
public boolean isViewFromObject(View ssView, Object ssObject) {
return ssView == ((ImageView) ssObject);
}
@Override
public Object instantiateItem(ViewGroup ssContainer, int ssPosition) {
ImageView ssImageView = new ImageView(ssContext);
ssImageView.setScaleType(ImageView.ScaleType.FIT_XY);
ssImageView.setImageResource(ssImages[ssPosition]);
((ViewPager) ssContainer).addView(ssImageView, 0);
ssImageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
onClickSplashScreen();
}
});
return ssImageView;
}
@Override
public void destroyItem(ViewGroup ssContainer, int ssPosition,
Object ssObject) {
((ViewPager) ssContainer).removeView((ImageView) ssObject);
}
public void onClickSplashScreen(){
}
那么,在SplashScreen上,我如何在那里添加一个片段呢
FragmentManager fragmentManager = this._activity.getSupportFragmentManager()
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
ExampleFragment fragment = new ExampleFragment();
fragmentTransaction.add(R.id.fragment_container, fragment);
fragmentTransaction.commit();
这对您有帮助吗?您应该使用FragmentPagerAdapter而不是PagerAdapter 这里可以找到一些例子
ViewPager是一种允许用户从一个视图滑动到另一个视图的视图。我觉得你应该打开一个新的活动进行登录,然后关闭这个活动。或者将拥有viewpager的片段替换为登录片段。