Android多个片段,带有Viewpager和ABS
我正在用安卓2.1软件包开发一个应用程序。 我正在使用ActionBarSherlock获取actionbar。 然后,我尝试使用一个Viewpager和具有自己布局的multilpe Fragments类 但我得到的只是第一个片段 我也使用了这个问题中给出的建议,但没有效果 这是我使用ActionBar和Viewpager的主要活动。Android多个片段,带有Viewpager和ABS,android,android-viewpager,Android,Android Viewpager,我正在用安卓2.1软件包开发一个应用程序。 我正在使用ActionBarSherlock获取actionbar。 然后,我尝试使用一个Viewpager和具有自己布局的multilpe Fragments类 但我得到的只是第一个片段 我也使用了这个问题中给出的建议,但没有效果 这是我使用ActionBar和Viewpager的主要活动。 public class MainActivity extends SherlockFragmentActivity { private static f
public class MainActivity extends SherlockFragmentActivity {
private static final int NUMBER_OF_PAGES = 2;
private MyFragmentPagerAdapter mMyFragmentPagerAdapter;
ActionBar actionBar;
ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
actionBar = getSupportActionBar();
actionBar.setHomeButtonEnabled(true);
//actionBar.setNavigationMode(actionBar.NAVIGATION_MODE_TABS);
viewPager = (ViewPager) findViewById(R.id.pager);
//viewPager.setOffscreenPageLimit(4);
mMyFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(mMyFragmentPagerAdapter);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("tab", getSupportActionBar().getSelectedNavigationIndex());
}
private static class MyFragmentPagerAdapter extends FragmentPagerAdapter {
public MyFragmentPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int index) {
Fragment f = new Fragment();
Log.d("index ", ""+index);
switch (index) {
case 0:
f = PageFragment.newInstance(index);
break;
case 1:
f = FragmentTwo.newInstance(index);
break;
default:
break;
}
return f;
}
@Override
public int getCount() {
return NUMBER_OF_PAGES;
}
}
public class PageFragment extends SherlockFragment {
public static PageFragment newInstance(int title) {
PageFragment pageFragment = new PageFragment();
Bundle bundle = new Bundle();
bundle.putInt("title", title);
pageFragment.setArguments(bundle);
return pageFragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment, container, false);
TextView textView = (TextView) view.findViewById(R.id.textView1);
textView.setText("View # 01");
return view;
}
}
这是我的一个片段类。
public class MainActivity extends SherlockFragmentActivity {
private static final int NUMBER_OF_PAGES = 2;
private MyFragmentPagerAdapter mMyFragmentPagerAdapter;
ActionBar actionBar;
ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
actionBar = getSupportActionBar();
actionBar.setHomeButtonEnabled(true);
//actionBar.setNavigationMode(actionBar.NAVIGATION_MODE_TABS);
viewPager = (ViewPager) findViewById(R.id.pager);
//viewPager.setOffscreenPageLimit(4);
mMyFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(mMyFragmentPagerAdapter);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("tab", getSupportActionBar().getSelectedNavigationIndex());
}
private static class MyFragmentPagerAdapter extends FragmentPagerAdapter {
public MyFragmentPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int index) {
Fragment f = new Fragment();
Log.d("index ", ""+index);
switch (index) {
case 0:
f = PageFragment.newInstance(index);
break;
case 1:
f = FragmentTwo.newInstance(index);
break;
default:
break;
}
return f;
}
@Override
public int getCount() {
return NUMBER_OF_PAGES;
}
}
public class PageFragment extends SherlockFragment {
public static PageFragment newInstance(int title) {
PageFragment pageFragment = new PageFragment();
Bundle bundle = new Bundle();
bundle.putInt("title", title);
pageFragment.setArguments(bundle);
return pageFragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment, container, false);
TextView textView = (TextView) view.findViewById(R.id.textView1);
textView.setText("View # 01");
return view;
}
}
这里是我在activity_main.xml中的一个片段
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<fragment android:name="com.mzubair.test.PageFragment"
android:id="@+id/headlines_fragment"
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="match_parent" />
<fragment android:name="com.mzubair.test.FragmentTwo"
android:id="@+id/headlines_fragment2"
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="match_parent" />
从XML中删除两个片段标记。尝试此PagerAdapter(使其适应您的代码),并从布局中删除这些片段您不希望片段添加到viewpager的下方或旁边:/
public class AdapterTabs extends FragmentPagerAdapter implements
ActionBar.TabListener, ViewPager.OnPageChangeListener {
private final Context mContext;
private final ActionBar mActionBar;
private final ViewPager mViewPager;
protected final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
static final class TabInfo {
protected final Class<?> clss;
protected final Bundle args;
TabInfo(Class<?> _class, Bundle _args) {
clss = _class;
args = _args;
}
}
public AdapterTabs(SherlockFragmentActivity activity, ViewPager pager) {
super(activity.getSupportFragmentManager());
mContext = activity;
mActionBar = activity.getSupportActionBar();
mViewPager = pager;
mViewPager.setAdapter(this);
mViewPager.setOnPageChangeListener(this);
}
public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
TabInfo info = new TabInfo(clss, args);
tab.setTag(info);
tab.setTabListener(this);
mTabs.add(info);
mActionBar.addTab(tab);
notifyDataSetChanged();
}
@Override
public int getCount() {
return mTabs.size();
}
@Override
public Fragment getItem(int position) {
TabInfo info = mTabs.get(position);
return Fragment.instantiate(mContext, info.clss.getName(), info.args);
}
public void onPageScrolled(int position, float positionOffset,
int positionOffsetPixels) {
}
public void onPageSelected(int position) {
mActionBar.setSelectedNavigationItem(position);
((SherlockFragmentActivity) mContext).supportInvalidateOptionsMenu();
}
public void onPageScrollStateChanged(int state) {
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
// force l'appel de onOptionMenuPrepared
((SherlockFragmentActivity) mContext).supportInvalidateOptionsMenu();
Object tag = tab.getTag();
for (int i = 0; i < mTabs.size(); i++) {
if (mTabs.get(i) == tag) {
mViewPager.setCurrentItem(i);
}
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
}
public void onTabReselected(Tab tab, FragmentTransaction ft) {
}
}
公共类适配器选项卡扩展了FragmentPagerAdapter实现
ActionBar.TablListener、ViewPager.OnPageChangeListener{
私有最终上下文mContext;
私人终审法院;
专用最终查看页面mViewPager;
受保护的最终ArrayList MTAB=新ArrayList();
静态最终类TabInfo{
受保护的最终类CLS;
受保护的最终捆绑args;
TabInfo(类_类,捆绑参数){
clss=_类;
args=_args;
}
}
公共适配器选项卡(SherlockFragmentActivity活动、ViewPager寻呼机){
super(activity.getSupportFragmentManager());
mContext=活动;
mActionBar=activity.getSupportActionBar();
mViewPager=寻呼机;
mViewPager.setAdapter(此);
mViewPager.setOnPageChangeListener(此);
}
public void addTab(ActionBar.Tab选项卡,类cls,Bundle args){
TabInfo=新的TabInfo(clss,args);
tab.setTag(信息);
tab.setTableListener(此);
添加(信息);
mActionBar.addTab(tab);
notifyDataSetChanged();
}
@凌驾
public int getCount(){
返回mTabs.size();
}
@凌驾
公共片段getItem(int位置){
TabInfo=mTabs.get(位置);
返回Fragment.instantiate(mContext,info.clss.getName(),info.args);
}
公共无效页已滚动(整型位置、浮动位置偏移、,
int positionOffsetPixels){
}
已选择页面上的公共无效(内部位置){
mActionBar.setSelectedNavigationItem(位置);
((SherlockFragmentActivity)mContext.supportInvalidateOptions菜单();
}
公共无效onPageScrollStateChanged(int状态){
}
已选择的公共事务(选项卡,碎片事务ft){
//已准备好对选项的强制上诉
((SherlockFragmentActivity)mContext.supportInvalidateOptions菜单();
Object tag=tab.getTag();
对于(int i=0;i
检查了它。还是一样