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
|
package com.mapbox.mapboxsdk.testapp.activity.annotation;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import com.mapbox.mapboxsdk.annotations.Polygon;
import com.mapbox.mapboxsdk.annotations.PolygonOptions;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.constants.Style;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.MapboxMapOptions;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.R;
import java.util.ArrayList;
import java.util.List;
public class PolygonActivity extends AppCompatActivity {
private static final int BLUE_COLOR = Color.parseColor("#3bb2d0");
private static final int RED_COLOR = Color.parseColor("#AF0000");
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 static final List<LatLng> POINTS = new ArrayList<LatLng>() {{
add(new LatLng(45.522585, -122.685699));
add(new LatLng(45.534611, -122.708873));
add(new LatLng(45.530883, -122.678833));
add(new LatLng(45.547115, -122.667503));
add(new LatLng(45.530643, -122.660121));
add(new LatLng(45.533529, -122.636260));
add(new LatLng(45.521743, -122.659091));
add(new LatLng(45.510677, -122.648792));
add(new LatLng(45.515008, -122.664070));
add(new LatLng(45.502496, -122.669048));
}};
private List<LatLng> ADDITIONAL_POINTS = new ArrayList<LatLng>() {{
add(new LatLng(45.515369, -122.678489));
add(new LatLng(45.506346, -122.702007));
add(new LatLng(45.522585, -122.685699));
}};
private MapView mapView;
private Polygon polygon;
private boolean fullAlpha = true;
private boolean visible = true;
private boolean allPoints = true;
private boolean color = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_polygon);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowHomeEnabled(true);
}
// configure inital map state
MapboxMapOptions options = new MapboxMapOptions()
.attributionTintColor(RED_COLOR)
.styleUrl(Style.MAPBOX_STREETS)
.camera(new CameraPosition.Builder()
.target(new LatLng(45.520486, -122.673541))
.zoom(12)
.tilt(40)
.build());
// create map
mapView = new MapView(this, options);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
POINTS.addAll(ADDITIONAL_POINTS);
polygon = mapboxMap.addPolygon(new PolygonOptions()
.addAll(POINTS)
.fillColor(BLUE_COLOR));
}
});
// add to layout
((ViewGroup) findViewById(R.id.container)).addView(mapView);
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
return true;
case R.id.action_id_alpha:
fullAlpha = !fullAlpha;
polygon.setAlpha(fullAlpha ? FULL_ALPHA : PARTIAL_ALPHA);
return true;
case R.id.action_id_visible:
visible = !visible;
polygon.setAlpha(visible ? (fullAlpha ? FULL_ALPHA : PARTIAL_ALPHA) : NO_ALPHA);
return true;
case R.id.action_id_points:
allPoints = !allPoints;
if (allPoints) {
POINTS.addAll(ADDITIONAL_POINTS);
} else {
POINTS.removeAll(ADDITIONAL_POINTS);
}
polygon.setPoints(POINTS);
return true;
case R.id.action_id_color:
color = !color;
polygon.setFillColor(color ? BLUE_COLOR : RED_COLOR);
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_polygon, menu);
return true;
}
}
|
