没有查看发现ID为...片段在对话框
问题描述:
我想显示自定义Dialog
2个标签在Activity
,但我收到以下错误。没有查看发现ID为...片段在对话框
错误:
No view found for id 0x7f0f0134 (com.hiro.chatio:id/viewPage_theme) for fragment
PostColorPickerFragment{35ffefce #0 id=0x7f0f0134 android:switcher:2131689780:0}
java.lang.IllegalArgumentException: No view found for id 0x7f0f0134 (com.hiro.chatio:id/viewPage_theme)
for fragment PostColorPickerFragment{35ffefce #0 id=0x7f0f0134 android:switcher:2131689780:0}
MainActivity
:
private Button pick_color;
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_create_blog);
pick_color = (Button) findViewById(R.id.create_blog_color_btn);
pick_color.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Dialog dialog = new Dialog(CreateBlogActivity.this);
dialog.setContentView(R.layout.blog_theme_picker);
dialog.setCanceledOnTouchOutside(false);
dialog.getWindow().getAttributes().windowAnimations = R.style.SlideUpDialogAnimation;
Button pickColor = (Button) dialog.findViewById(R.id.pick_color_btn);
Button default_color = (Button) dialog.findViewById(R.id.default_color);
TabLayout mTabLayout = (TabLayout) dialog.findViewById(R.id.main_tabs_theme);
CustomViewPager mViewPager = (CustomViewPager) dialog.findViewById(R.id.viewPage_theme);
ThemePagerAdapter mThemePagerAdapter = new ThemePagerAdapter(getSupportFragmentManager());
mViewPager.setAdapter(mThemePagerAdapter);
mViewPager.setCurrentItem(0);
mViewPager.setPagingEnabled(false);
mTabLayout.setupWithViewPager(mViewPager); }); }
ThemePagerAdapter
:
public class ThemePagerAdapter extends FragmentPagerAdapter {
public ThemePagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
PostColorPickerFragment postColorPickerFragment = new PostColorPickerFragment();
return postColorPickerFragment;
case 1:
PostThemePickerFragment postThemePickerFragment = new PostThemePickerFragment();
return postThemePickerFragment;
default:
return null;
}
}
@Override
public int getCount() {
return 2;
}
public CharSequence getPageTitle(int position) {
switch (position) {
case 0:
return "Color";
case 1:
return "Theme";
default:
return null;
}
}
PostThemePickerFragment
:
public class PostThemePickerFragment extends Fragment {
public PostThemePickerFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.post_theme_picker, container, false);
return view;
}
答
由于Activity
的FragmentManager
在Dialog
中找不到View
,因为它的布局未附加到Activity
的层次结构中,所以您正在获取该例外。为了在Dialog
使用Fragment
S,你必须使用一个DialogFragment
,通过其子FragmentManager
到PagerAdapter
来处理事务。
与任何常规的Fragment
一样,我们可以在onCreateView()
中扩充布局,并将其设置为onViewCreated()
。我们也会覆盖onCreateDialog()
方法来修改那里的窗口设置。
public class ThemeDialogFragment extends DialogFragment {
public ThemeDialogFragment() {}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.blog_theme_picker, container, false);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
Button pickColor = (Button) view.findViewById(R.id.pick_color_btn);
Button default_color = (Button) view.findViewById(R.id.default_color);
TabLayout mTabLayout = (TabLayout) view.findViewById(R.id.main_tabs_theme);
CustomViewPager mViewPager = (CustomViewPager) view.findViewById(R.id.viewPage_theme);
ThemePagerAdapter mThemePagerAdapter = new ThemePagerAdapter(getChildFragmentManager());
mViewPager.setAdapter(mThemePagerAdapter);
mViewPager.setCurrentItem(0);
mViewPager.setPagingEnabled(false);
mTabLayout.setupWithViewPager(mViewPager);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Dialog d = super.onCreateDialog(savedInstanceState);
d.getWindow().getAttributes().windowAnimations = R.style.SlideUpDialogAnimation;
d.requestWindowFeature(Window.FEATURE_NO_TITLE);
d.setCanceledOnTouchOutside(false);
return d;
}
}
你可以看到一切你在onClick()
方法有现在在DialogFragment
处理,并且该方法变得简单:
pick_color.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new ThemeDialogFragment().show(getSupportFragmentManager(), "theme");
}
}
);
+1
tks u,工作正常! –
哪里是'PostColorPickerFragment'代码? –
而不是仅仅一个'Dialog',你将不得不使用一个'DialogFragment' - 及其子'FragmentManager' - 吃出'ViewPager'工作。该'Activity'的'FragmentManager'将不能够找到一个'Dialog'任何东西,因为它没有连接到'Activity'的层次。 –
Mike M.是对的。你必须使用'DialogFragment'而不是'Dialog'。 – Wizard