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[英]How can i call a specific tab activity from another regular activity in android by using intent
[英]how to call same activity from Intent Android?
如何从 firebase onChildChange 中的 Intent 调用相同的 Activity?
@Override
public void onChildChanged(@NonNull DataSnapshot dataSnapshot, @Nullable String s) {
try {
Intent i= new Intent(PlaceholderFragment.this,PlaceholderFragment.this);
}
catch (Exception e){}
}
如何从 Intent 调用相同的 Activity?
Intent i = new Intent(getActivity, YourActivity.class);
i.startActivity();
或者您可以简单地使用:
getActivity().recreate();
您可以按如下方式从自身调用相同的片段。
PlaceholderFragment newFragment = new PlaceholderFragment();
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.add(R.id.layoutContainer, newFragment , "New Fragment");
fragmentTransaction.addToBackStack("New Fragment");
fragmentTransaction.commit();
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