【发布时间】：2016-03-22 18:04:42
【问题描述】：
我在 appcompat v7 中有一个带有工具栏和选项卡布局的应用程序。我使用 View Pager 浏览选项卡，但问题是在其中放置可扩展列表视图的位置不滚动：这是我的主要活动中的 Java 代码
最小 API 为 15：Android Ice Cream Sandwicth 4.0.4
public class Principal extends AppCompatActivity{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_principal);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
final TabLayout Tabulacion = (TabLayout) findViewById(R.id.Tabulacion);
final ViewPager viewPager = (ViewPager) findViewById(R.id.Pager);
final PagerAdapter adapter = new PagerAdapter(getSupportFragmentManager(), Tabulacion.getTabCount());
viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(Tabulacion));
Tabulacion.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
PagerAdapter 中的 Java 代码
public class PagerAdapter extends FragmentStatePagerAdapter {
int intNumTabs;
public PagerAdapter(FragmentManager FM, int NumTabs) {
super(FM);
this.intNumTabs = NumTabs;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
TabHome Tab1 = new TabHome();
return Tab1;
case 1:
TabLectura Tab2 = new TabLectura();
return Tab2;
default:
return null;
}
}
@Override
public int getCount() {
return intNumTabs;
}
}
主要活动的 XML 代码
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".Principal">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay"
android:id="@+id/textView">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
<android.support.design.widget.TabLayout
android:id="@+id/Tabulacion"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TabItem
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Inicio">
</android.support.design.widget.TabItem>
<android.support.design.widget.TabItem
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Lectura">
</android.support.design.widget.TabItem>
</android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/Pager"
android:isScrollContainer="true"
android:nestedScrollingEnabled="true"
android:background="@color/backgroundColor" />
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>
标签 2 片段中的 XML 代码：
<ExpandableListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/ListView">
</ExpandableListView>
Expandable List View的内容是动态生成的
【问题讨论】：
标签： android android-fragments android-viewpager expandablelistview android-appcompat