1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
package com.mapbox.mapboxsdk.testapp.activity.location;
import android.annotation.SuppressLint;
import android.location.Location;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import com.mapbox.android.core.location.LocationEngineRequest;
import com.mapbox.android.core.permissions.PermissionsListener;
import com.mapbox.android.core.permissions.PermissionsManager;
import com.mapbox.mapboxsdk.location.LocationComponent;
import com.mapbox.mapboxsdk.location.LocationComponentActivationOptions;
import com.mapbox.mapboxsdk.location.LocationComponentOptions;
import com.mapbox.mapboxsdk.location.modes.CameraMode;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.testapp.R;
import java.util.List;
/**
* This activity shows a basic usage of the LocationComponent's pulsing circle. There's no
* customization of the pulsing circle's color, radius, speed, etc.
*/
public class BasicLocationPulsingCircleActivity extends AppCompatActivity implements OnMapReadyCallback {
private static final String SAVED_STATE_LOCATION = "saved_state_location";
private static final String TAG = "Mbgl-BasicLocationPulsingCircleActivity";
private Location lastLocation;
private MapView mapView;
private PermissionsManager permissionsManager;
private LocationComponent locationComponent;
private MapboxMap mapboxMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_location_layer_basic_pulsing_circle);
mapView = findViewById(R.id.mapView);
if (savedInstanceState != null) {
lastLocation = savedInstanceState.getParcelable(SAVED_STATE_LOCATION);
}
mapView.onCreate(savedInstanceState);
checkPermissions();
}
@SuppressLint("MissingPermission")
@Override
public void onMapReady(@NonNull MapboxMap mapboxMap) {
this.mapboxMap = mapboxMap;
mapboxMap.setStyle(Style.MAPBOX_STREETS, style -> {
locationComponent = mapboxMap.getLocationComponent();
LocationComponentOptions locationComponentOptions =
LocationComponentOptions.builder(BasicLocationPulsingCircleActivity.this)
.pulsingCircleEnabled(true)
.build();
LocationComponentActivationOptions locationComponentActivationOptions =
buildLocationComponentActivationOptions(style,locationComponentOptions);
locationComponent.activateLocationComponent(locationComponentActivationOptions);
locationComponent.setLocationComponentEnabled(true);
locationComponent.setCameraMode(CameraMode.TRACKING);
locationComponent.forceLocationUpdate(lastLocation);
});
}
private LocationComponentActivationOptions buildLocationComponentActivationOptions(@NonNull Style style,
@NonNull LocationComponentOptions
locationComponentOptions) {
return LocationComponentActivationOptions
.builder(this, style)
.locationComponentOptions(locationComponentOptions)
.useDefaultLocationEngine(true)
.locationEngineRequest(new LocationEngineRequest.Builder(750)
.setFastestInterval(750)
.setPriority(LocationEngineRequest.PRIORITY_HIGH_ACCURACY)
.build())
.build();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_pulsing_location_mode, menu);
return true;
}
@SuppressLint("MissingPermission")
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (locationComponent == null) {
return super.onOptionsItemSelected(item);
}
int id = item.getItemId();
if (id == R.id.action_map_style_change) {
toggleMapStyle();
return true;
} else if (id == R.id.action_component_disable) {
locationComponent.setLocationComponentEnabled(false);
return true;
} else if (id == R.id.action_component_enabled) {
locationComponent.setLocationComponentEnabled(true);
return true;
} else if (id == R.id.action_cancel_pulsing) {
locationComponent.cancelPulsingLocationCircle();
return true;
}
return super.onOptionsItemSelected(item);
}
private void toggleMapStyle() {
if (locationComponent == null) {
return;
}
mapboxMap.setStyle(Style.LIGHT);
}
private void checkPermissions() {
if (PermissionsManager.areLocationPermissionsGranted(this)) {
mapView.getMapAsync(this);
} else {
permissionsManager = new PermissionsManager(new PermissionsListener() {
@Override
public void onExplanationNeeded(List<String> permissionsToExplain) {
Toast.makeText(BasicLocationPulsingCircleActivity.this, "You need to accept location permissions.",
Toast.LENGTH_SHORT).show();
}
@Override
public void onPermissionResult(boolean granted) {
if (granted) {
mapView.getMapAsync(BasicLocationPulsingCircleActivity.this);
} else {
finish();
}
}
});
permissionsManager.requestLocationPermissions(this);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
permissionsManager.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
}
@SuppressLint("MissingPermission")
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
if (locationComponent != null) {
outState.putParcelable(SAVED_STATE_LOCATION, locationComponent.getLastKnownLocation());
}
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
}
|
