JAVA AndroidStudio　機能しません。。。

間違ってMapsActivityをMainActivityに融合してしまいました。
地図を出すアプリなのですが、このままだと位置情報の取得をしてくれない。（取得できるようにコードは書いてあるとは思いますが昨日していないです。）
マップの種類もアクションバーには出てくるのですが全く機能しない状態となっています。

わかる方がいらっしゃいましたらご教授お願いいたします。

JAVA
1
2
3
4public class MainActivity extends AppCompatActivity {
5
6    private GoogleMap mMap;
7    private LatLng location;
8
9    @Override
10    protected void onCreate(Bundle savedInstanceState) {
11        super.onCreate(savedInstanceState);
12        setContentView(R.layout.activity_main);
13        Toolbar toolbar = findViewById(R.id.toolbar);
14        setSupportActionBar(toolbar);
15
16        FloatingActionButton fab = findViewById(R.id.fab);
17        fab.setOnClickListener(new View.OnClickListener() {
18            @Override
19            public void onClick(View view) {
20                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
21                        .setAction("Action", null).show();
22            }
23
24
25
26
27
28        });
29
30
31
32
33    }
34
35
36    //オプションメニューを作成
37    @Override
38    public boolean onCreateOptionsMenu(Menu menu) {
39        super.onCreateOptionsMenu(menu);
40        menu.add(0, 0, 0, "衛星写真");
41        menu.add(0, 1, 1, "地形ビュー");
42        menu.add(0, 2, 2, "ハイブリッド");
43        menu.add(0, 3, 3, "ノーマル");
44        menu.add(0, 4, 4, "渋滞情報オン");
45        menu.add(0, 5, 5, "渋滞情報オフ");
46        return true;
47
48    }
49
50    //メニューアイテムが選択された時の処理
51
52    @Override
53    public boolean onContextItemSelected(MenuItem item) {
54        super.onOptionsItemSelected(item);
55        int itemID = item.getItemId();
56
57        switch (itemID) {
58            case 0:
59                //衛星写真を表示
60                mMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
61                break;
62            case 1:
63                //地形ビューを表示
64                mMap.setMapType(GoogleMap.MAP_TYPE_TERRAIN);
65                break;
66            case 2:
67                //ハイブリッドビューの表示
68                mMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
69                break;
70            case 3:
71                //ノーマルビューの表示
72                mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
73                break;
74            case 4:
75                //渋滞情報を表示
76                mMap.setTrafficEnabled(true);
77                break;
78            case 5:
79                //渋滞情報を解除
80                mMap.setTrafficEnabled(false);
81                break;
82            default:
83                break;
84        }
85        return true;
86    }
87
88
89
90    @Override
91    public boolean onOptionsItemSelected(MenuItem item) {
92        // Handle action bar item clicks here. The action bar will
93        // automatically handle clicks on the Home/Up button, so long
94        // as you specify a parent activity in AndroidManifest.xml.
95        int id = item.getItemId();
96
97        //noinspection SimplifiableIfStatement
98        if (id == R.id.action_settings) {
99            return true;
100        }
101
102        return super.onOptionsItemSelected(item);
103
104    }
105    
106
107
108    public abstract static class MapsActivity extends FragmentActivity
109            implements OnMapReadyCallback, LocationListener,
110            CompoundButton.OnCheckedChangeListener {
111
112
113
114
115
116        private GoogleMap mMap;
117        private LatLng location;
118        private LatLng latlong;
119        private static Location location1;
120
121        private final static int PERMISSION_REQUEST_CODE = 1;
122        private final static int PERMISSION_GPS_CODE = 1001;
123        LocationManager locationmanager1;
124        private static final int LOCATION_CODE = 100;
125        private static final String[] LOCATION_PERMISSION = {
126                Manifest.permission.ACCESS_COARSE_LOCATION,
127
128                Manifest.permission.ACCESS_FINE_LOCATION,
129        };
130        private static final int GRANTED = PackageManager.PERMISSION_GRANTED;
131
132
133        @Override
134        protected void onCreate(Bundle savedInstanceState) {
135            super.onCreate(savedInstanceState);
136            // ここではまだsetContentView()は呼ばない
137
138            locationmanager1 = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
139
140
141            if (ActivityCompat.checkSelfPermission(this, LOCATION_PERMISSION[0]) != GRANTED &&
142                    ActivityCompat.checkSelfPermission(this, LOCATION_PERMISSION[1]) != GRANTED) {
143                // ↓「アクセスを許可しますか？」
144
145                ActivityCompat.requestPermissions(this, LOCATION_PERMISSION, LOCATION_CODE);
146            } else {
147                startLocation();
148            }
149        }
150
151
152        @Override
153        public void onMapReady(GoogleMap googleMap) {
154
155            mMap = googleMap;
156            double lat = location1.getLatitude();
157            double lon = location1.getLongitude();
158            latlong = new LatLng(lat, lon);
159            mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latlong, 19));
160
161        }
162
163        // アクセス許可のダイアログで操作を行ったときに呼ばれるメソッド
164        @Override
165        public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
166            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
167            if (requestCode == PERMISSION_GPS_CODE) {
168                if (grantResults[0] == GRANTED) {
169                    startLocation();
170                } else {
171                    // 拒否されたのならアプリ続行不可能
172                    finish();
173                }
174            }
175
176        }
177
178        void startLocation() {
179            if (ActivityCompat.checkSelfPermission(this, LOCATION_PERMISSION[0]) == GRANTED ||
180                    ActivityCompat.checkSelfPermission(this, LOCATION_PERMISSION[1]) == GRANTED) {
181
182                // 許可を得られたことを確認できた段階で初めてsetContentView()を呼ぶ
183                // onMapReady()が走るのはこれ以後になる
184                setContentView(R.layout.activity_maps);
185                SupportMapFragment mapFragment =
186                        (SupportMapFragment) getSupportFragmentManager()
187                                .findFragmentById(R.id.map);
188                assert mapFragment != null;
189                mapFragment.getMapAsync(this);
190
191                Criteria criteria = new Criteria();
192                criteria.setAccuracy(Criteria.ACCURACY_FINE);
193                String provider = locationmanager1.getBestProvider(criteria, true);
194                locationmanager1.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
195                assert provider != null;
196                location1 = locationmanager1.getLastKnownLocation(provider);
197            }
198        }
199
200
201        @Override
202        protected void onDestroy() {
203            super.onDestroy();
204            locationmanager1.removeUpdates(this);
205        }
206
207        @Override
208        public void onStatusChanged(String provider, int status, Bundle extras) {
209            switch (status) {
210                case LocationProvider.AVAILABLE:
211                    Log.d("debug", "LocationProvider.AVAILABLE");
212                    break;
213                case LocationProvider.OUT_OF_SERVICE:
214                    Log.d("debug", "LocationProvider.OUT_OF_SERVICE");
215                    break;
216                case LocationProvider.TEMPORARILY_UNAVAILABLE:
217                    Log.d("debug", "LocationProvider.TEMPORARILY_UNAVAILABLE");
218                    break;
219            }
220
221
222        }
223
224        @Override
225        public void onLocationChanged(Location location1) {
226            LatLng myLocation = new LatLng(location1.getLatitude(), location1.getLongitude());
227            mMap.addMarker(new MarkerOptions().position(myLocation).title("現在地"));
228            mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(myLocation, 18));
229
230        }
231
232
233        @Override
234        public void onProviderEnabled(String provider) {
235        }
236
237        @Override
238        public void onProviderDisabled(String provider) {
239        }
240
241        @Override
242        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
243
244
245        }
246
247        public static class MapActivity extends FragmentActivity implements OnMapReadyCallback {
248
249
250            private LatLng location;
251            private GoogleMap mMap;
252
253            @Override
254            protected void onCreate(Bundle savedInstanceState) {
255                super.onCreate(savedInstanceState);
256                setContentView(R.layout.activity_maps);
257                // Obtain the SupportMapFragment and get notified when the map is ready to be used.
258                SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
259                        .findFragmentById(R.id.map);
260                mapFragment.getMapAsync(this);
261
262            }
263
264
265       
266
267                
268        }
269}
270