1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.navigation.testapp;
18 
19 import android.os.Bundle;
20 import android.support.annotation.NonNull;
21 import android.support.annotation.Nullable;
22 import android.support.v4.app.Fragment;
23 import android.view.LayoutInflater;
24 import android.view.View;
25 import android.view.ViewGroup;
26 import android.widget.Button;
27 import android.widget.TextView;
28 
29 import androidx.navigation.Navigation;
30 
31 /**
32  * Fragment used to show how to navigate to another destination
33  */
34 public class MainFragment extends Fragment {
35     @Override
onCreate(@ullable Bundle savedInstanceState)36     public void onCreate(@Nullable Bundle savedInstanceState) {
37         super.onCreate(savedInstanceState);
38     }
39 
40     @Nullable
41     @Override
onCreateView(@onNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState)42     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
43                              @Nullable Bundle savedInstanceState) {
44         return inflater.inflate(R.layout.main_fragment, container, false);
45     }
46 
47     @Override
onViewCreated(@onNull View view, @Nullable Bundle savedInstanceState)48     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
49         super.onViewCreated(view, savedInstanceState);
50         TextView tv = view.findViewById(R.id.text);
51         tv.setText(getArguments().getString("myarg"));
52 
53         Button b = view.findViewById(R.id.next_button);
54         b.setOnClickListener(Navigation.createNavigateOnClickListener(R.id.next));
55     }
56 }
57