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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
package com.mapbox.mapboxsdk.testapp.activity.annotation;
import android.graphics.Color;
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.view.View;
import android.widget.Toast;
import com.mapbox.mapboxsdk.annotations.Polyline;
import com.mapbox.mapboxsdk.annotations.PolylineOptions;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.R;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Test activity showcasing the Polyline annotations API.
* <p>
* Shows how to add and remove polylines.
* </p>
*/
public class PolylineActivity extends AppCompatActivity {
private static final String STATE_POLYLINE_OPTIONS = "polylineOptions";
private static final LatLng ANDORRA = new LatLng(42.505777, 1.52529);
private static final LatLng LUXEMBOURG = new LatLng(49.815273, 6.129583);
private static final LatLng MONACO = new LatLng(43.738418, 7.424616);
private static final LatLng VATICAN_CITY = new LatLng(41.902916, 12.453389);
private static final LatLng SAN_MARINO = new LatLng(43.942360, 12.457777);
private static final LatLng LIECHTENSTEIN = new LatLng(47.166000, 9.555373);
private static final float FULL_ALPHA = 1.0f;
private static final float PARTIAL_ALPHA = 0.5f;
private static final float NO_ALPHA = 0.0f;
private List<Polyline> polylines;
private ArrayList<PolylineOptions> polylineOptions = new ArrayList<>();
private MapView mapView;
private MapboxMap mapboxMap;
private boolean fullAlpha = true;
private boolean visible = true;
private boolean width = true;
private boolean color = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_polyline);
if (savedInstanceState != null) {
polylineOptions = savedInstanceState.getParcelableArrayList(STATE_POLYLINE_OPTIONS);
} else {
polylineOptions.addAll(getAllPolylines());
}
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
PolylineActivity.this.mapboxMap = mapboxMap;
mapboxMap.setOnPolylineClickListener(new MapboxMap.OnPolylineClickListener() {
@Override
public void onPolylineClick(@NonNull Polyline polyline) {
Toast.makeText(
PolylineActivity.this,
"You clicked on polygon with id = " + polyline.getId(),
Toast.LENGTH_SHORT
).show();
}
});
polylines = mapboxMap.addPolylines(polylineOptions);
}
});
View fab = findViewById(R.id.fab);
if (fab != null) {
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mapboxMap != null) {
if (polylines != null && polylines.size() > 0) {
if (polylines.size() == 1) {
// test for removing annotation
mapboxMap.removeAnnotation(polylines.get(0));
} else {
// test for removing annotations
mapboxMap.removeAnnotations(polylines);
}
}
polylineOptions.clear();
polylineOptions.addAll(getRandomLine());
polylines = mapboxMap.addPolylines(polylineOptions);
}
}
});
}
}
private List<PolylineOptions> getAllPolylines() {
List<PolylineOptions> options = new ArrayList<>();
options.add(generatePolyline(ANDORRA, LUXEMBOURG, "#F44336"));
options.add(generatePolyline(ANDORRA, MONACO, "#FF5722"));
options.add(generatePolyline(MONACO, VATICAN_CITY, "#673AB7"));
options.add(generatePolyline(VATICAN_CITY, SAN_MARINO, "#009688"));
options.add(generatePolyline(SAN_MARINO, LIECHTENSTEIN, "#795548"));
options.add(generatePolyline(LIECHTENSTEIN, LUXEMBOURG, "#3F51B5"));
return options;
}
private PolylineOptions generatePolyline(LatLng start, LatLng end, String color) {
PolylineOptions line = new PolylineOptions();
line.add(start);
line.add(end);
line.color(Color.parseColor(color));
return line;
}
public List<PolylineOptions> getRandomLine() {
final List<PolylineOptions> randomLines = getAllPolylines();
Collections.shuffle(randomLines);
return new ArrayList<PolylineOptions>() {
{
add(randomLines.get(0));
}
};
}
@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();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
outState.putParcelableArrayList(STATE_POLYLINE_OPTIONS, polylineOptions);
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_polyline, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (polylines.size() <= 0) {
Toast.makeText(PolylineActivity.this, "No polylines on map", Toast.LENGTH_LONG).show();
return super.onOptionsItemSelected(item);
}
switch (item.getItemId()) {
case R.id.action_id_remove:
// test to remove all annotations
polylineOptions.clear();
mapboxMap.clear();
polylines.clear();
return true;
case R.id.action_id_alpha:
fullAlpha = !fullAlpha;
for (Polyline p : polylines) {
p.setAlpha(fullAlpha ? FULL_ALPHA : PARTIAL_ALPHA);
}
return true;
case R.id.action_id_color:
color = !color;
for (Polyline p : polylines) {
p.setColor(color ? Color.RED : Color.BLUE);
}
return true;
case R.id.action_id_width:
width = !width;
for (Polyline p : polylines) {
p.setWidth(width ? 3.0f : 5.0f);
}
return true;
case R.id.action_id_visible:
visible = !visible;
for (Polyline p : polylines) {
p.setAlpha(visible ? (fullAlpha ? FULL_ALPHA : PARTIAL_ALPHA) : NO_ALPHA);
}
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
|
