问题描述
我有五个活动/屏幕,我想能够之间刷卡,每个人都有不同的功能,但都是相互关联的每一间刷卡的,因此用户界面的概念。
I have five activities/screens that I would like to be able to swipe between, each has a different function but are interrelated hence the UI concept of swiping between each.
我已经找到了解决ViewPager和PagerAdapters等多次讨论,但似乎无法找到一个刷卡的地方活动不同屏幕之间切换。
I have found many discussions around ViewPager and PagerAdapters etc. but cannot seem to find one where swiping switches between different activity screens.
这甚至可能吗?可能有人点我对这样的一个例子项目源$ C $ C?或者告诉我如何适应现有的教程做什么,我希望?
Is this even possible? Could someone point me towards an example project of this with source code? Or show me how to adapt an existing tutorial to do what I wish?
感谢这么多,有一个很好的!
Thanks so much, have a good one!
推荐答案
您无法使用 ViewPager
的活动$ C刷卡$ C>。你需要转换你每次5
活动
到片段
,然后结合一切都在一个 FragmentActivity
与适配器
您使用 ViewPager
。
You can't use ViewPager
to swipe between Activities
. You need to convert each of you five Activities
into Fragments
, then combine everything in one FragmentActivity
with the Adapter
you use with ViewPager
.
<一个href="http://$c$c.tutsplus.com/tutorials/android-user-interface-design-working-with-fragments--mobile-5367"相对=nofollow>这里有一个链接的进入细节将你当前的活动
信息片段
Here's a link that goes into detail on converting your current Activities
info Fragments
.
这是Android开发者网站上的片段话题,它有很多有用的信息。
This is the Fragment topic on the Android Developers website, it has a lot of useful info.
这里的另一个例子(完整的源代码),其膨胀 TextViews
每一页上。
Here's another example (full source) that inflates TextViews
on each page.
下面是我打了一个例子:
Here's an example that I typed up:
PagerAdapter
public class PagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<Fragment>();
public PagerAdapter(FragmentManager manager) {
super(manager);
}
public void addFragment(Fragment fragment) {
mFragments.add(fragment);
notifyDataSetChanged();
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
}
这应该叫的onCreate
你的 FragmentActivity
This should be called in onCreate
of your FragmentActivity
:
private void initPaging() {
FragmentOne fragmentOne = new FragmentOne();
FragmentTwo fragmentTwo= new FragmentTwo();
PagerAdapter pagerAdapter = new PagerAdapter(getSupportFragmentManager());
pagerAdapter.addFragment(fragmentOne);
pagerAdapter.addFragment(fragmentTwo);
ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager);
viewPager.setAdapter(pagerAdapter);
}
这是你使用的布局的一个例子你的 FragmnetActivity
This is an example of the layout you'd use for your FragmnetActivity
:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
要创建片段
创建扩展片段
一个新的类。你会想前两种方法覆盖
是 onActivityCreated
和 onCreateView
。
To create Fragment
create a new class that extends Fragment
. The first two methods you'll want to override
are onActivityCreated
and onCreateView
.
这里是你如何能做到这一点:
public class FragmentOne extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(THE_LAYOUT_FROM_YOUR_ORIGINAL_ACTIVITY, container, false);
return view;
}
}
这篇关于活动间的Android PagerView的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!