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- package com.kyraa.tabview.ui.main;
- import android.os.Bundle;
- import android.view.LayoutInflater;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.TextView;
- import androidx.annotation.Nullable;
- import androidx.annotation.NonNull;
- import androidx.fragment.app.Fragment;
- import androidx.lifecycle.Observer;
- import androidx.lifecycle.ViewModelProviders;
- import com.kyraa.tabview.R;
- /**
- * A placeholder fragment containing a simple view.
- */
- public class PlaceholderFragment extends Fragment {
- private static final String ARG_SECTION_NUMBER = "section_number";
- private PageViewModel pageViewModel;
- public static PlaceholderFragment newInstance(int index) {
- PlaceholderFragment fragment = new PlaceholderFragment();
- Bundle bundle = new Bundle();
- bundle.putInt(ARG_SECTION_NUMBER, index);
- fragment.setArguments(bundle);
- return fragment;
- }
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- pageViewModel = ViewModelProviders.of(this).get(PageViewModel.class);
- int index = 1;
- if (getArguments() != null) {
- index = getArguments().getInt(ARG_SECTION_NUMBER);
- }
- pageViewModel.setIndex(index);
- }
- @Override
- public View onCreateView(
- @NonNull LayoutInflater inflater, ViewGroup container,
- Bundle savedInstanceState) {
- View root = inflater.inflate(R.layout.fragment_main, container, false);
- final TextView textView = root.findViewById(R.id.section_label);
- pageViewModel.getText().observe(this, new Observer<String>() {
- @Override
- public void onChanged(@Nullable String s) {
- textView.setText(s);
- }
- });
- return root;
- }
- }
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