Load NavigationView in Fragment

1@Override
2public void onStart() {
3   super.onStart();
4   navigationView.onStart();
5}
6
7@Override
8public void onResume() {
9   super.onResume();
10   navigationView.onResume();
11}
12
13@Override
14public void onSaveInstanceState(@NonNull Bundle outState) {
15   navigationView.onSaveInstanceState(outState);
16   super.onSaveInstanceState(outState);
17}
18
19@Override
20public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
21   super.onViewStateRestored(savedInstanceState);
22   if (savedInstanceState != null) {
23       navigationView.onRestoreInstanceState(savedInstanceState);
24   }
25}
26
27@Override
28public void onPause() {
29   super.onPause();
30   navigationView.onPause();
31}
32
33@Override
34public void onStop() {
35   super.onStop();
36   navigationView.onStop();
37}
38
39@Override
40public void onLowMemory() {
41   super.onLowMemory();
42   navigationView.onLowMemory();
43}
44
45@Override
46public void onDestroyView() {
47   super.onDestroyView();
48   navigationView.onDestroy();
49}

1<?xml version="1.0" encoding="utf-8"?>
2<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
3   xmlns:app="http://schemas.android.com/apk/res-auto"
4   android:layout_width="match_parent"
5   android:layout_height="match_parent">
6
7   <FrameLayout
8       android:id="@+id/navigation_fragment_frame"
9       android:layout_width="match_parent"
10       android:layout_height="match_parent"
11       android:layout_marginBottom="16dp"
12       android:layout_marginEnd="16dp"
13       android:layout_marginStart="16dp"
14       android:layout_marginTop="16dp"
15       app:layout_constraintBottom_toBottomOf="parent"
16       app:layout_constraintEnd_toEndOf="parent"
17       app:layout_constraintStart_toStartOf="parent"
18       app:layout_constraintTop_toTopOf="parent" />
19
20</androidx.constraintlayout.widget.ConstraintLayout>

1<?xml version="1.0" encoding="utf-8"?>
2<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
3   xmlns:app="http://schemas.android.com/apk/res-auto"
4   android:layout_width="match_parent"
5   android:layout_height="match_parent">
6
7   <ai.nextbillion.navigation.ui.NavigationView
8       android:id="@+id/navigation_view_fragment"
9       android:layout_width="0dp"
10       android:layout_height="0dp"
11       app:layout_constraintBottom_toBottomOf="parent"
12       app:layout_constraintEnd_toEndOf="parent"
13       app:layout_constraintStart_toStartOf="parent"
14       app:layout_constraintTop_toTopOf="parent" />
15
16</androidx.constraintlayout.widget.ConstraintLayout>

1public class FragmentNavigationActivity extends AppCompatActivity {
2
3   @Override
4   protected void onCreate(Bundle savedInstanceState) {
5       super.onCreate(savedInstanceState);
6       setContentView(R.layout.activity_fragment_navigation);
7
8       initializeNavigationViewFragment(savedInstanceState);
9   }
10
11   private void initializeNavigationViewFragment(@Nullable Bundle savedInstanceState) {
12       FragmentManager fragmentManager = getSupportFragmentManager();
13       if (savedInstanceState == null) {
14           FragmentTransaction transaction = fragmentManager.beginTransaction();
15           transaction.disallowAddToBackStack();
16           transaction.add(R.id.navigation_fragment_frame, new NavigationFragment()).commit();
17       }
18   }
19}

1public class NavigationFragment extends Fragment implements OnNavigationReadyCallback, NavigationListener {
2
3   private static final double ORIGIN_LONGITUDE = -77.04012393951416;
4   private static final double ORIGIN_LATITUDE = 38.9111117447887;
5   private static final double DESTINATION_LONGITUDE = -77.03847169876099;
6   private static final double DESTINATION_LATITUDE = 38.91113678979344;
7
8   private NavigationView navigationView;
9   private DirectionsRoute directionsRoute;
10
11   @Nullable
12   @Override
13   public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
14                            @Nullable Bundle savedInstanceState) {
15       return inflater.inflate(R.layout.navigation_view_fragment_layout, container, false);
16   }
17
18   @Override
19   public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
20       super.onViewCreated(view, savedInstanceState);
21       navigationView = view.findViewById(R.id.navigation_view_fragment);
22       navigationView.onCreate(savedInstanceState);
23       navigationView.initialize(this);
24   }
25
26   @Override
27   public void onStart() {
28       super.onStart();
29       navigationView.onStart();
30   }
31
32   @Override
33   public void onResume() {
34       super.onResume();
35       navigationView.onResume();
36   }
37
38   @Override
39   public void onSaveInstanceState(@NonNull Bundle outState) {
40       navigationView.onSaveInstanceState(outState);
41       super.onSaveInstanceState(outState);
42   }
43
44   @Override
45   public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
46       super.onViewStateRestored(savedInstanceState);
47       if (savedInstanceState != null) {
48           navigationView.onRestoreInstanceState(savedInstanceState);
49       }
50   }
51
52   @Override
53   public void onPause() {
54       super.onPause();
55       navigationView.onPause();
56   }
57
58   @Override
59   public void onStop() {
60       super.onStop();
61       navigationView.onStop();
62   }
63
64   @Override
65   public void onLowMemory() {
66       super.onLowMemory();
67       navigationView.onLowMemory();
68   }
69
70   @Override
71   public void onDestroyView() {
72       super.onDestroyView();
73       navigationView.onDestroy();
74   }
75
76   @Override
77   public void onNavigationReady(boolean isRunning) {
78       Point origin = Point.fromLngLat(ORIGIN_LONGITUDE, ORIGIN_LATITUDE);
79       Point destination = Point.fromLngLat(DESTINATION_LONGITUDE, DESTINATION_LATITUDE);
80       fetchRoute(origin, destination);
81   }
82
83   @Override
84   public void onCancelNavigation() {
85       navigationView.stopNavigation();
86       stopNavigation();
87   }
88
89   @Override
90   public void onNavigationFinished() {
91       // no-op
92   }
93
94   @Override
95   public void onNavigationRunning() {
96       // no-op
97   }
98
99   private void fetchRoute(Point origin, Point destination) {
100
101       Point origin1 = Point.fromLngLat(78.39382912963629, 17.49361551715865);
102       Point destination1 = Point.fromLngLat(78.39086260646582, 17.484744887695726);
103
104       NBNavigation.fetchRoute(origin1, destination1, new Callback<DirectionsResponse>() {
105           @Override
106           public void onResponse(@NonNull Call<DirectionsResponse> call, @NonNull Response<DirectionsResponse> response) {
107
108               //start navigation with the route we just fetched.
109               if (response.body() != null && !response.body().routes().isEmpty()) {
110                   directionsRoute = response.body().routes().get(0);
111                   startNavigation();
112               }
113           }
114
115           @Override
116           public void onFailure(@NonNull Call<DirectionsResponse> call, @NonNull Throwable t) {
117
118           }
119       });
120   }
121
122   private void startNavigation() {
123       if (directionsRoute == null) {
124           return;
125       }
126       NavViewConfig options = NavViewConfig.builder()
127               .route(directionsRoute)
128               .shouldSimulateRoute(true)
129               .navigationListener(NavigationFragment.this)
130               .build();
131       navigationView.startNavigation(options);
132   }
133
134   private void stopNavigation() {
135
136   }
137}