Android 不兼容的片段类型
嗨,我有一个安卓系统的小应用程序,我使用带有导航抽屉的片段作为菜单。但现在,当用户单击某个东西时,我想在我的片段对话框弹出窗口中显示,在那里我得到以下错误: main活动:Android 不兼容的片段类型,android,android-fragments,android-dialogfragment,incomplete-type,Android,Android Fragments,Android Dialogfragment,Incomplete Type,嗨,我有一个安卓系统的小应用程序,我使用带有导航抽屉的片段作为菜单。但现在,当用户单击某个东西时,我想在我的片段对话框弹出窗口中显示,在那里我得到以下错误: main活动: private void displayView(int position) { // update the main content by replacing fragments Fragment fragment = null; switch (position) { case 0
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
fragment = new FindPeopleFragment();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
public class HomeFragment extends FragmentActivity {
public HomeFragment(){}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_home, container, false);
final RelativeLayout rlPolievkaShowDialog=(RelativeLayout)rootView.findViewById(R.id.rlPolievkaButton);
rlPolievkaShowDialog.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
return rootView;
}
private void showDialog() {
DialogFragment newFragment = DialogFragmentAlergeny.newInstance();
newFragment.show(getSupportFragmentManager(), "dialog");
}
public class DialogFragmentAlergeny extends DialogFragment {
public static DialogFragmentAlergeny newInstance() {
DialogFragmentAlergeny frag = new DialogFragmentAlergeny();
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
View view = getActivity().getLayoutInflater().inflate(R.layout.alergeny_dialog, null);
alertDialogBuilder.setView(view);
alertDialogBuilder.setTitle(getString(R.string.alergeny_dialog_title));
alertDialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
return alertDialogBuilder.create();
}
我在fragment=new HomeFragment()上遇到的第一个错误>>不兼容的类型
HomeFragment在onCreateView方法上的第二个错误>>方法未重写或实现超类型中的方法
HomeFragment:
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
fragment = new FindPeopleFragment();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
public class HomeFragment extends FragmentActivity {
public HomeFragment(){}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_home, container, false);
final RelativeLayout rlPolievkaShowDialog=(RelativeLayout)rootView.findViewById(R.id.rlPolievkaButton);
rlPolievkaShowDialog.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
return rootView;
}
private void showDialog() {
DialogFragment newFragment = DialogFragmentAlergeny.newInstance();
newFragment.show(getSupportFragmentManager(), "dialog");
}
public class DialogFragmentAlergeny extends DialogFragment {
public static DialogFragmentAlergeny newInstance() {
DialogFragmentAlergeny frag = new DialogFragmentAlergeny();
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
View view = getActivity().getLayoutInflater().inflate(R.layout.alergeny_dialog, null);
alertDialogBuilder.setView(view);
alertDialogBuilder.setTitle(getString(R.string.alergeny_dialog_title));
alertDialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
return alertDialogBuilder.create();
}
}
对话框碎片合并:
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
fragment = new FindPeopleFragment();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
public class HomeFragment extends FragmentActivity {
public HomeFragment(){}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_home, container, false);
final RelativeLayout rlPolievkaShowDialog=(RelativeLayout)rootView.findViewById(R.id.rlPolievkaButton);
rlPolievkaShowDialog.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
return rootView;
}
private void showDialog() {
DialogFragment newFragment = DialogFragmentAlergeny.newInstance();
newFragment.show(getSupportFragmentManager(), "dialog");
}
public class DialogFragmentAlergeny extends DialogFragment {
public static DialogFragmentAlergeny newInstance() {
DialogFragmentAlergeny frag = new DialogFragmentAlergeny();
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
View view = getActivity().getLayoutInflater().inflate(R.layout.alergeny_dialog, null);
alertDialogBuilder.setView(view);
alertDialogBuilder.setTitle(getString(R.string.alergeny_dialog_title));
alertDialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
return alertDialogBuilder.create();
}
}HomeFragment不是一个片段,而是一个片段活动…更改将类扩展到片段
public class HomeFragment extends FragmentActivity { ... }
如何修复它:
android.support.v4.app.Fragment
,android.support.v4.app.DialogFragment
,android.support.v4.app.FragmentActivity
newFragment.show(getActivity().getSupportFragmentManager(),“dialog”)代码>使用getsupportManager
而不是FragmentManager()
FragmentManager FragmentManager=getSupportFragmentManager()代码>非碎片管理器()
这就是所有帮助。HomeFragment不是一个片段,而是一个片段活动……更改将类扩展到Fragment@phemt.latd将您的评论作为答案发布(也许您可以添加更多的上下文)是的,我也尝试过这个选项,但是当扩展片段时,方法getSupportFragmentManager()未被识别我也尝试过此选项,但当扩展片段时,方法getSupportFragmentManager()未被识别。您可以使用“getActivity()。getSupportFragmentManager()”android开发者指南指定FragmentManager:用于与活动内的片段对象交互的接口抱歉,但仍然无法识别。它看起来像方法newFragmen.show(getActivity().getSupportFragmentManager(),“dialog”);我对此有问题。我也尝试过getActivity().getFragmentManager(),但不太有效。这里是scr:包含HomeActivity的活动必须扩展android.support.v4.app.FragmentActivity HomeFragment必须扩展android.support.v4.app.Fragment和getActivity()返回类型为activity的实例,您必须将其强制转换为android.support.v4.app.FragmentActivity,以便可以在方法getSupportFragmentManager()上具有可见性好的,thx我修复了它,我将写一篇博文,告诉其他用户如何修复这些问题。