Android：自定义AlertDialog，viewPager：java.lang.IllegalArgumentException：没有找到id的视图

Android 4.3。Android：自定义AlertDialog，viewPager：java.lang.IllegalArgumentException：没有找到id的视图

我定制dialogFragment：

public class IntroductoryTourDialogFragment extends DialogFragment implements ViewPager.OnPageChangeListener { 
private int totalPagesCount; 
private Activity activity; 

private static final String TAG = IntroductoryTourDialogFragment.class.getName(); 

@Override 
public void onAttach(Activity activity) { 
    super.onAttach(activity); 
    this.activity = activity; 
} 

@NonNull 
@Override 
public Dialog onCreateDialog(Bundle savedInstanceState) { 
    LayoutInflater inflater = activity.getLayoutInflater(); 
    View view = inflater.inflate(R.layout.introductory_tour_layout, null); 
    AlertDialog.Builder builder = new AlertDialog.Builder(activity); 
    builder.setView(view); 
    setCancelable(false); 
    init(view); 
    return builder.create(); 
} 

private void init(View view) { 
    totalPagesCount = getResources().getStringArray(R.array.introductory_tour_images_names).length; 
    SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager()); 
    ViewPager viewPager = (ViewPager) view.findViewById(R.id.introductory_tour_viewPager); 
    viewPager.setAdapter(sectionsPagerAdapter); 
    viewPager.addOnPageChangeListener(this); 
} 

public class SectionsPagerAdapter extends FragmentPagerAdapter { 

    public SectionsPagerAdapter(FragmentManager fm) { 
     super(fm); 
    } 

    @Override 
    public Fragment getItem(int position) { 
     Fragment fragment = new IntroductoryTourPageFragment(); 
     Bundle args = new Bundle(); 
     String introductory_tour_images_name = getResources().getStringArray(R.array.introductory_tour_images_names)[position]; 
     args.putString(IntroductoryTourPageFragment.TOUR_PAGE_NAME, introductory_tour_images_name); 
     fragment.setArguments(args); 
     return fragment; 
    } 

    @Override 
    public int getCount() { 
     return totalPagesCount; 
    } 
} 

@Override 
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 

} 

@Override 
public void onPageSelected(int position) { 

} 

@Override 
public void onPageScrollStateChanged(int state) { 

} 
}

我的自定义XML文件：

<?xml version="1.0" encoding="utf-8"?> 
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:foo="http://schemas.android.com/apk/res-auto" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:background="@drawable/bg"> 
    <android.support.v4.view.ViewPager 
     android:id="@+id/introductory_tour_viewPager" 
     android:layout_width="0dp" 
     android:layout_height="wrap_content" 
     app:layout_constraintLeft_toLeftOf="parent" 
     app:layout_constraintRight_toRightOf="parent" 
     app:layout_constraintTop_toBottomOf="parent" /> 
</android.support.constraint.ConstraintLayout>

但尝试运行时，该对话框中的片段，我得到错误：

java.lang.IllegalArgumentException: No view found for id 0x7f0e026e 
    (com.my_project:id/introductory_tour_viewPager) 
    for fragment IntroductoryTourPageFragment{427e2d10 #2 id=0x7f0e026e android:switcher:2131624558:0} 
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1070) 
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1259) 
    at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738) 
    at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1624) 
    at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:570) 
    at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141) 
    at android.support.v4.view.ViewPager.populate(ViewPager.java:1106) 
    at android.support.v4.view.ViewPager.populate(ViewPager.java:952) 
    at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1474) 
    at android.view.View.measure(View.java:15848) 
    at android.support.constraint.ConstraintLayout.internalMeasureChildren(ConstraintLayout.java:934) 
    at android.support.constraint.ConstraintLayout.onMeasure(ConstraintLayout.java:973) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
    at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
    at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at android.support.v7.internal.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
    at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
    at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
    at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2189) 
    at android.view.View.measure(View.java:15848) 
    at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1905) 
    at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1079) 
    at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1284) 
    at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004) 
    at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481) 
    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749) 
    at android.view.Choreographer.doCallbacks(Choreographer.java:562) 
    at android.view.Choreographer.doFrame(Choreographer.java:532) 
    at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735) 
    at android.os.Handler.handleCallback(Handler.java:730) 
    at android.os.Handler.dispatchMessage(Handler.java:92) 
    at android.os.Looper.loop(Looper.java:137) 
    at android.app.ActivityThread.main(ActivityThread.java:5103)

来源

2017-06-04 Alexei

尝试使用viewapger宽度android：layout_width =“match_parent” – FAT

这没有帮助。相同的错误 – Alexei

主要的问题是你的对话框View未正确创建。在创建View之前，您正试图初始化ViewPager并将SectionsPagerAdapter设置为ViewPager。

SOLUTION：

1.首先，移除覆盖的方法onCreateDialog()。

2.覆盖onCreateView()，从这里充气布局introductory_tour_layout：

@Nullable 
    @Override 
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { 
     View view = inflater.inflate(R.layout.introductory_tour_layout, container); 

     return view; 
    }

当视图创建成功后，初始化设置ViewPager到SectionsPagerAdapterViewPager。要做到这一点调用方法init(view)从onViewCreated()：的getFragmentManager()SectionsPagerAdapter使用getChildFragmentManager()代替

@Override 
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 
     super.onViewCreated(view, savedInstanceState); 

     init(view); 
    }

4.当创建实例：

SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(getChildFragmentManager());

这里是工作代码：

public class IntroductoryTourDialogFragment extends DialogFragment implements ViewPager.OnPageChangeListener { 

    private int totalPagesCount; 
    private Activity activity; 

    private static final String TAG = IntroductoryTourDialogFragment.class.getName(); 

    @Override 
    public void onAttach(Activity activity) { 
     super.onAttach(activity); 
     this.activity = activity; 
    } 

    @Nullable 
    @Override 
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { 
     View view = inflater.inflate(R.layout.introductory_tour_layout, container); 

     return view; 
    } 

    @Override 
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 
     super.onViewCreated(view, savedInstanceState); 

     init(view); 
    } 

    private void init(View view) { 
     totalPagesCount = getResources().getStringArray(R.array.introductory_tour_images_names).length; 
     SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(getChildFragmentManager()); 
     ViewPager viewPager = (ViewPager) view.findViewById(R.id.introductory_tour_viewPager); 
     viewPager.setAdapter(sectionsPagerAdapter); 
     viewPager.addOnPageChangeListener(this); 
    } 

    public class SectionsPagerAdapter extends FragmentPagerAdapter { 

     public SectionsPagerAdapter(FragmentManager fm) { 
      super(fm); 
     } 

     @Override 
     public Fragment getItem(int position) { 

      Fragment fragment = new IntroductoryTourPageFragment(); 
      Bundle args = new Bundle(); 
      String introductory_tour_images_name = getResources().getStringArray(R.array.introductory_tour_images_names)[position]; 
      args.putString(IntroductoryTourPageFragment.TOUR_PAGE_NAME, introductory_tour_images_name); 
      fragment.setArguments(args); 

      return fragment; 
     } 

     @Override 
     public int getCount() { 
      return totalPagesCount; 
     } 
    } 

    @Override 
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 

    } 

    @Override 
    public void onPageSelected(int position) { 

    } 

    @Override 
    public void onPageScrollStateChanged(int state) { 

    } 
}

要显示IntroductoryTourDialogFragment，在Activity使用下面的代码：

IntroductoryTourDialogFragment introductoryTourDialogFragment = new IntroductoryTourDialogFragment(); 
introductoryTourDialogFragment.show(getSupportFragmentManager(), introductoryTourDialogFragment.getTag());

这也正常工作（不onViewCreated()）：

@Nullable 
    @Override 
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { 
     View view = inflater.inflate(R.layout.introductory_tour_layout, null); 
     init(view); 

     return view; 
    }

希望这将有助于〜

来源

2017-06-04 19:22:23 FAT

@Alexei我认为你不需要创建构建器实例。你可以请不要试一下>>> AlertDialog.Builder builder = new AlertDialog.Builder（activity）; builder.setView（view）; setCancelable（false）; – FAT

是的你是对的。它没有“AlertDialog.Builder builder = new AlertDialog.Builder（activity）; builder.setView（view）;” – Alexei

Android：自定义AlertDialog，viewPager：java.lang.IllegalArgumentException：没有找到id的视图

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