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android: navController check null

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刘涛 2020-07-20 11:58:45 +08:00 committed by osborn
parent 5113d73b37
commit 1de1fdeb47
1 changed files with 11 additions and 3 deletions
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14
doric-android/doric/src/main/java/pub/doric/DoricPanelFragment.java
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@ -85,8 +85,11 @@ public class DoricPanelFragment extends Fragment implements IDoricNavigator {
argument.putString("source", source); argument.putString("source", source);
argument.putString("alias", alias); argument.putString("alias", alias);
argument.putString("extra", extra); argument.putString("extra", extra);
getNavController() NavController navController = getNavController();
.navigate(R.id.action_doricPanelFragment_to_doricPanelFragment, argument); if (navController != null) {
getNavController()
.navigate(R.id.action_doricPanelFragment_to_doricPanelFragment, argument);
}
} }
@ -95,14 +98,19 @@ public class DoricPanelFragment extends Fragment implements IDoricNavigator {
if (getActivity() == null || getActivity().isFinishing()) { if (getActivity() == null || getActivity().isFinishing()) {
return; return;
} }
if (!getNavController().popBackStack()) { NavController navController = getNavController();
if (navController != null && navController.popBackStack()) {
if (getActivity() != null) { if (getActivity() != null) {
getActivity().finish(); getActivity().finish();
} }
} }
} }
@Nullable
private NavController getNavController() { private NavController getNavController() {
if (getView() == null) {
return null;
}
return Navigation.findNavController(getView()); return Navigation.findNavController(getView());
} }