fix potential NPE in TransferFragment
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@ -367,6 +367,9 @@ public class TransferFragment extends Fragment implements TransferMvpView {
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@Override
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public void onBackStackChanged() {
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FragmentManager fragMan = getFragmentManager();
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if (fragMan == null) {
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return;
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}
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fragMan.popBackStack(tag, FragmentManager.POP_BACK_STACK_INCLUSIVE);
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fragMan.removeOnBackStackChangedListener(this);
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