-
Notifications
You must be signed in to change notification settings - Fork 3k
/
ProgrammaticDemoActivity.java
63 lines (51 loc) · 2.38 KB
/
ProgrammaticDemoActivity.java
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
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.example.mapdemo;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentTransaction;
/**
* Demonstrates how to instantiate a SupportMapFragment programmatically and add a marker to it.
*/
public class ProgrammaticDemoActivity extends AppCompatActivity implements OnMapReadyCallback {
private static final String MAP_FRAGMENT_TAG = "map";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// It isn't possible to set a fragment's id programmatically so we set a tag instead and
// search for it using that.
SupportMapFragment mapFragment = (SupportMapFragment)
getSupportFragmentManager().findFragmentByTag(MAP_FRAGMENT_TAG);
// We only create a fragment if it doesn't already exist.
if (mapFragment == null) {
// To programmatically add the map, we first create a SupportMapFragment.
mapFragment = SupportMapFragment.newInstance();
// Then we add it using a FragmentTransaction.
FragmentTransaction fragmentTransaction =
getSupportFragmentManager().beginTransaction();
fragmentTransaction.add(android.R.id.content, mapFragment, MAP_FRAGMENT_TAG);
fragmentTransaction.commit();
}
mapFragment.getMapAsync(this);
}
@Override
public void onMapReady(GoogleMap map) {
map.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
}
}