Android地图应用新视界--mapbox的应用开发之简单功能提取篇
上一篇-Android地图应用新视界--mapbox的应用开发之初始集成篇-中介绍了全球应用的多平台地图框架mapbox在Android端的集成步骤,此篇将延续上篇内容,主要提取一些简单的常用方法,开发者可以藉此做简单开发
如下:
| 目前开发者账户公共令牌: pk.eyJ1IjoiamFja3l6IiwiYSI6ImNpb2pxbzJrbjAxeWp2MW0zNXNpcDhscDIifQ.TbKXdF03rKa1RUvxeqiCTw 申请令牌: |
| mapbox 内置风格 |
|
悬浮的button:
| compile 'com.android.support:design:23.2.0'
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
android:src="@android:drawable/ic_dialog_map" />
|
| 绘制一个标记 |
|
| 在配置文件配置 |
|
| 设置动画/自定义地图边界包含poi兴趣点 |
来源： https://www.mapbox.com/android-sdk/examples/animate-camera/
|
| 点击监听--设定地点地图跳转 |
|
public void dosomething(final MapboxMap mapboxMap) {
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(41.327752, 19.818666)) // Sets the center of the map to the specified location
.zoom(13) // Sets the zoom level
.build();
//set the user's viewpoint as specified in the cameraPosition object
mapboxMap.
moveCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
//Add a marker to the map in the specified location
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(41.327752, 19.818666))
.title("MapBox Marker!")
.snippet("Welcome to my marker."));
}
});
}
|
| 绘制geojson线/画图形 |
new DrawGeoJSON().execute(); private class DrawGeoJSON extends AsyncTask<Void, Void, List<LatLng>> {
|
|
实现定位功能:
private LocationManager locationManager;
public void getMyLocation() {
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
// 获取所有可用的位置提供器
List<String> providerList = locationManager.getProviders(true);
String provider;
if (providerList.contains(LocationManager.GPS_PROVIDER)) {
provider = LocationManager.GPS_PROVIDER;
} else if (providerList.contains(LocationManager.NETWORK_PROVIDER)) {
provider = LocationManager.NETWORK_PROVIDER;
} else {
// 当没有可用的位置提供器时,弹出Toast提示用户
Toast.makeText(this, "No location provider to use",
Toast.LENGTH_SHORT).show();
return;
}
Log.e("location", provider);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
Location location = locationManager.getLastKnownLocation(provider);
if (location != null) {
// 显示当前设备的位置信息
showLocation(location);
}
locationManager.requestLocationUpdates(provider, 5000, 1, locationListener);
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
if (locationManager != null) {
// 关闭程序时将监听器移除
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
locationManager.removeUpdates(locationListener);
}
}
LocationListener locationListener = new LocationListener() {
@Override
public void onStatusChanged(String provider, int status, Bundle
extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onLocationChanged(Location location) {
// 更新当前设备的位置信息
showLocation(location);
}
};
private void showLocation(Location location) {
String currentPosition = "latitude is " + location.getLatitude() + "\n"
+ "longitude is " + location.getLongitude();
Log.e("location",currentPosition);
}
|
||
|
在2014demo中:
private void myLocation(MapboxMap mapboxMap) {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
mapboxMap.setMyLocationEnabled(true);
// mapboxMap.setMyLocationTrackingMode(MyLocationTracking.TRACKING_FOLLOW);//持续跟踪
mapboxMap.getMyLocation();
}
|
||
| 在地图中显示方向-绘制路线
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
map = mapboxMap;
// Add origin and destination to the map
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(origin.getLatitude(), origin.getLongitude()))
.title("Origin")
.snippet("Alhambra"));
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(destination.getLatitude(), destination.getLongitude()))
.title("Destination")
.snippet("Plaza del Triunfo"));
// Get route from API
try {
getRoute(origin, destination);
} catch (ServicesException e) {
e.printStackTrace();
}
}
});
private void
getRoute(Position origin, Position destination) throws ServicesException {
MapboxDirections client = new MapboxDirections.Builder()
.setOrigin(origin)
.setDestination(destination)
.setProfile(DirectionsCriteria.PROFILE_CYCLING)
.setAccessToken("<your access token here>")
.build();
client.enqueueCall(new Callback<DirectionsResponse>() {
@Override
public void onResponse(Call<DirectionsResponse> call, Response<DirectionsResponse> response) {
// You can get the generic HTTP info about the response
Log.d(TAG, "Response code: " + response.code());
if (response.body() == null) {
Log.e(TAG, "No routes found, make sure you set the right user and access token.");
return;
}
// Print some info about the route
currentRoute = response.body().getRoutes().get(0);
Log.d(TAG, "Distance: " + currentRoute.getDistance());
Toast.makeText(MainActivity.this, "Route is " + currentRoute.getDistance() + " meters long.", Toast.LENGTH_SHORT).show();
// Draw the route on the map
drawRoute(currentRoute);
}
@Override
public void onFailure(Call<DirectionsResponse> call, Throwable t) {
Log.e(TAG, "Error: " + t.getMessage());
Toast.makeText(MainActivity.this, "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}
private void
drawRoute(DirectionsRoute route) {
// Convert LineString coordinates into LatLng[]
LineString lineString = LineString.fromPolyline(route.getGeometry(), Constants.OSRM_PRECISION_V5);
List<Position> coordinates = lineString.getCoordinates();
LatLng[] points = new LatLng[coordinates.size()];
for (int i = 0; i < coordinates.size(); i++) {
points[i] = new LatLng(
coordinates.get(i).getLatitude(),
coordinates.get(i).getLongitude());
}
// Draw Points on MapView
map.addPolyline(new PolylineOptions()
.add(points)
.color(Color.parseColor("#009688"))
.width(5));
}
|
| 地理位置搜索功能 |
|
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mas_geocoding);
// Set up the MapView
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
map = mapboxMap;
}
});
// Set up autocomplete widget
GeocoderAutoCompleteView autocomplete = (GeocoderAutoCompleteView) findViewById(R.id.query);
autocomplete.
setAccessToken(
MapboxAccountManager.getInstance().getAccessToken());
autocomplete.
setType(GeocodingCriteria.TYPE_POI);
autocomplete.
setOnFeatureListener(new GeocoderAutoCompleteView.OnFeatureListener() {
@Override
public void
OnFeatureClick(GeocodingFeature feature) {
Position position = feature.asPosition();
updateMap(position.getLatitude(), position.getLongitude());
}
});
}
private void
updateMap(double latitude, double longitude) {
// Build marker
map.addMarker(new MarkerOptions()
.position(new LatLng(latitude, longitude))
.title("Geocoder result"));
//跳转目的地界面
// Animate camera to geocoder result location
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(latitude, longitude))
.zoom(15)
.build();
map.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition), 5000, null);
}
|
| 下载静态地图 |
|
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mas_static_image);
ImageView imageView = (ImageView) findViewById(R.id.mapImage);
MapboxStaticImage staticImage;
try {
staticImage = new MapboxStaticImage.Builder()
.setAccessToken(MapboxAccountManager.getInstance().getAccessToken())
.setUsername(Constants.MAPBOX_USER)
.setStyleId(Constants.MAPBOX_STYLE_SATELLITE)
.setLon(12.3378) // Image center longitude
.setLat(45.4338) // Image center Latitude
.setZoom(13)
.setWidth(640) // Image width
.setHeight(360) // Image height
.setRetina(true) // Retina 2x image will be returned
.build();
new DownloadImageTask(imageView).execute(staticImage.getUrl().toString());
} catch (ServicesException e) {
Log.e(TAG, "MapboxStaticImage error: " + e.getMessage());
e.printStackTrace();
}
}
private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
ImageView imageView;
public DownloadImageTask(ImageView imageView) {
this.imageView = imageView;
}
protected Bitmap doInBackground(String... urls) {
// Create OkHttp object
final OkHttpClient client = new OkHttpClient();
// Build request
Request request = new Request.Builder()
.url(urls[0])
.build();
Response response = null;
Bitmap bitmap = null;
try {
// Make request
response = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
}
// If the response is successful,
// create the static map image
if (response.isSuccessful()) {
try {
bitmap = BitmapFactory.decodeStream(response.body().byteStream());
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
}
return bitmap;
}
protected void onPostExecute(Bitmap result) {
// Add static map image to imageView
imageView.setImageBitmap(result);
}
}
|
|
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_offline_simple);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
// Set up the OfflineManager
offlineManager = OfflineManager.getInstance(this);
offlineManager.setAccessToken(MapboxAccountManager.getInstance().getAccessToken());
// Create a bounding box for the offline region
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(37.7897, -119.5073)) // Northeast
.include(new LatLng(37.6744, -119.6815)) // Southwest
.build();
// Define the offline region
OfflineTilePyramidRegionDefinition definition = new OfflineTilePyramidRegionDefinition(
mapView.getStyleUrl(),
latLngBounds,
10,
20,
this.getResources().getDisplayMetrics().density);
// Set the metadata
byte[] metadata;
try {
JSONObject jsonObject = new JSONObject();
jsonObject.put(JSON_FIELD_REGION_NAME, "Yosemite National Park");
String json = jsonObject.toString();
metadata = json.getBytes(JSON_CHARSET);
} catch (Exception e) {
Log.e(TAG, "Failed to encode metadata: " + e.getMessage());
metadata = null;
}
// Create the region asynchronously
offlineManager.createOfflineRegion(definition, metadata, new OfflineManager.CreateOfflineRegionCallback() {
@Override
public void onCreate(OfflineRegion offlineRegion) {
offlineRegion.setDownloadState(OfflineRegion.STATE_ACTIVE);
// Display the download progress bar
progressBar = (ProgressBar) findViewById(R.id.progress_bar);
startProgress();
// Monitor the download progress using setObserver
offlineRegion.setObserver(new OfflineRegion.OfflineRegionObserver() {
@Override
public void onStatusChanged(OfflineRegionStatus status) {
// Calculate the download percentage and update the progress bar
double percentage = status.getRequiredResourceCount() >= 0 ?
(100.0 * status.getCompletedResourceCount() / status.getRequiredResourceCount()) :
0.0;
if (status.isComplete()) {
// Download complete
endProgress("Region downloaded successfully.");
} else if (status.isRequiredResourceCountPrecise()) {
// Switch to determinate state
setPercentage((int) Math.round(percentage));
}
}
@Override
public void onError(OfflineRegionError error) {
// If an error occurs, print to logcat
Log.e(TAG, "onError reason: " + error.getReason());
Log.e(TAG, "onError message: " + error.getMessage());
}
@Override
public void mapboxTileCountLimitExceeded(long limit) {
// Notify if offline region exceeds maximum tile count
Log.e(TAG, "Mapbox tile count limit exceeded: " + limit);
}
});
}
@Override
public void onError(String error) {
Log.e(TAG, "Error: " + error);
}
});
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
offlineManager.listOfflineRegions(new OfflineManager.ListOfflineRegionsCallback() {
@Override
public void onList(OfflineRegion[] offlineRegions) {
// delete the last item in the offlineRegions list which will be yosemite offline map
offlineRegions[(offlineRegions.length - 1)].delete(new OfflineRegion.OfflineRegionDeleteCallback() {
@Override
public void onDelete() {
Toast.makeText(SimpleOfflineMapActivity.this, "Yosemite offline map deleted", Toast.LENGTH_LONG).show();
}
@Override
public void onError(String error) {
Log.e(TAG, "On Delete error: " + error);
}
});
}
@Override
public void onError(String error) {
Log.e(TAG, "onListError: " + error);
}
});
}
// Progress bar methods
private void startProgress() {
// Start and show the progress bar
isEndNotified = false;
progressBar.setIndeterminate(true);
progressBar.setVisibility(View.VISIBLE);
}
private void setPercentage(final int percentage) {
progressBar.setIndeterminate(false);
progressBar.setProgress(percentage);
}
private void endProgress(final String message) {
// Don't notify more than once
if (isEndNotified) return;
// Stop and hide the progress bar
isEndNotified = true;
progressBar.setIndeterminate(false);
progressBar.setVisibility(View.GONE);
// Show a toast
Toast.makeText(SimpleOfflineMapActivity.this, message, Toast.LENGTH_LONG).show();
}
|
| 目前开发者账户公共令牌: pk.eyJ1IjoiamFja3l6IiwiYSI6ImNpb2pxbzJrbjAxeWp2MW0zNXNpcDhscDIifQ.TbKXdF03rKa1RUvxeqiCTw 申请令牌: |
| mapbox 内置风格 |
|
悬浮的button:
| compile 'com.android.support:design:23.2.0'
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
android:src="@android:drawable/ic_dialog_map" />
|
| 绘制一个标记 |
|
| 在配置文件配置 |
|
| 设置动画/自定义地图边界包含poi兴趣点 |
来源： https://www.mapbox.com/android-sdk/examples/animate-camera/
|
| 点击监听--设定地点地图跳转 |
|
public void dosomething(final MapboxMap mapboxMap) {
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(41.327752, 19.818666)) // Sets the center of the map to the specified location
.zoom(13) // Sets the zoom level
.build();
//set the user's viewpoint as specified in the cameraPosition object
mapboxMap.
moveCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
//Add a marker to the map in the specified location
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(41.327752, 19.818666))
.title("MapBox Marker!")
.snippet("Welcome to my marker."));
}
});
}
|
| 绘制geojson线/画图形 |
new DrawGeoJSON().execute(); private class DrawGeoJSON extends AsyncTask<Void, Void, List<LatLng>> {
|
|
实现定位功能:
private LocationManager locationManager;
public void getMyLocation() {
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
// 获取所有可用的位置提供器
List<String> providerList = locationManager.getProviders(true);
String provider;
if (providerList.contains(LocationManager.GPS_PROVIDER)) {
provider = LocationManager.GPS_PROVIDER;
} else if (providerList.contains(LocationManager.NETWORK_PROVIDER)) {
provider = LocationManager.NETWORK_PROVIDER;
} else {
// 当没有可用的位置提供器时,弹出Toast提示用户
Toast.makeText(this, "No location provider to use",
Toast.LENGTH_SHORT).show();
return;
}
Log.e("location", provider);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
Location location = locationManager.getLastKnownLocation(provider);
if (location != null) {
// 显示当前设备的位置信息
showLocation(location);
}
locationManager.requestLocationUpdates(provider, 5000, 1, locationListener);
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
if (locationManager != null) {
// 关闭程序时将监听器移除
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
locationManager.removeUpdates(locationListener);
}
}
LocationListener locationListener = new LocationListener() {
@Override
public void onStatusChanged(String provider, int status, Bundle
extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onLocationChanged(Location location) {
// 更新当前设备的位置信息
showLocation(location);
}
};
private void showLocation(Location location) {
String currentPosition = "latitude is " + location.getLatitude() + "\n"
+ "longitude is " + location.getLongitude();
Log.e("location",currentPosition);
}
|
||
|
在2014demo中:
private void myLocation(MapboxMap mapboxMap) {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return;
}
mapboxMap.setMyLocationEnabled(true);
// mapboxMap.setMyLocationTrackingMode(MyLocationTracking.TRACKING_FOLLOW);//持续跟踪
mapboxMap.getMyLocation();
}
|
||
| 在地图中显示方向-绘制路线
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
map = mapboxMap;
// Add origin and destination to the map
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(origin.getLatitude(), origin.getLongitude()))
.title("Origin")
.snippet("Alhambra"));
mapboxMap.addMarker(new MarkerOptions()
.position(new LatLng(destination.getLatitude(), destination.getLongitude()))
.title("Destination")
.snippet("Plaza del Triunfo"));
// Get route from API
try {
getRoute(origin, destination);
} catch (ServicesException e) {
e.printStackTrace();
}
}
});
private void
getRoute(Position origin, Position destination) throws ServicesException {
MapboxDirections client = new MapboxDirections.Builder()
.setOrigin(origin)
.setDestination(destination)
.setProfile(DirectionsCriteria.PROFILE_CYCLING)
.setAccessToken("<your access token here>")
.build();
client.enqueueCall(new Callback<DirectionsResponse>() {
@Override
public void onResponse(Call<DirectionsResponse> call, Response<DirectionsResponse> response) {
// You can get the generic HTTP info about the response
Log.d(TAG, "Response code: " + response.code());
if (response.body() == null) {
Log.e(TAG, "No routes found, make sure you set the right user and access token.");
return;
}
// Print some info about the route
currentRoute = response.body().getRoutes().get(0);
Log.d(TAG, "Distance: " + currentRoute.getDistance());
Toast.makeText(MainActivity.this, "Route is " + currentRoute.getDistance() + " meters long.", Toast.LENGTH_SHORT).show();
// Draw the route on the map
drawRoute(currentRoute);
}
@Override
public void onFailure(Call<DirectionsResponse> call, Throwable t) {
Log.e(TAG, "Error: " + t.getMessage());
Toast.makeText(MainActivity.this, "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}
private void
drawRoute(DirectionsRoute route) {
// Convert LineString coordinates into LatLng[]
LineString lineString = LineString.fromPolyline(route.getGeometry(), Constants.OSRM_PRECISION_V5);
List<Position> coordinates = lineString.getCoordinates();
LatLng[] points = new LatLng[coordinates.size()];
for (int i = 0; i < coordinates.size(); i++) {
points[i] = new LatLng(
coordinates.get(i).getLatitude(),
coordinates.get(i).getLongitude());
}
// Draw Points on MapView
map.addPolyline(new PolylineOptions()
.add(points)
.color(Color.parseColor("#009688"))
.width(5));
}
|
| 地理位置搜索功能 |
|
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mas_geocoding);
// Set up the MapView
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
map = mapboxMap;
}
});
// Set up autocomplete widget
GeocoderAutoCompleteView autocomplete = (GeocoderAutoCompleteView) findViewById(R.id.query);
autocomplete.
setAccessToken(
MapboxAccountManager.getInstance().getAccessToken());
autocomplete.
setType(GeocodingCriteria.TYPE_POI);
autocomplete.
setOnFeatureListener(new GeocoderAutoCompleteView.OnFeatureListener() {
@Override
public void
OnFeatureClick(GeocodingFeature feature) {
Position position = feature.asPosition();
updateMap(position.getLatitude(), position.getLongitude());
}
});
}
private void
updateMap(double latitude, double longitude) {
// Build marker
map.addMarker(new MarkerOptions()
.position(new LatLng(latitude, longitude))
.title("Geocoder result"));
//跳转目的地界面
// Animate camera to geocoder result location
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(latitude, longitude))
.zoom(15)
.build();
map.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition), 5000, null);
}
|
| 下载静态地图 |
|
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mas_static_image);
ImageView imageView = (ImageView) findViewById(R.id.mapImage);
MapboxStaticImage staticImage;
try {
staticImage = new MapboxStaticImage.Builder()
.setAccessToken(MapboxAccountManager.getInstance().getAccessToken())
.setUsername(Constants.MAPBOX_USER)
.setStyleId(Constants.MAPBOX_STYLE_SATELLITE)
.setLon(12.3378) // Image center longitude
.setLat(45.4338) // Image center Latitude
.setZoom(13)
.setWidth(640) // Image width
.setHeight(360) // Image height
.setRetina(true) // Retina 2x image will be returned
.build();
new DownloadImageTask(imageView).execute(staticImage.getUrl().toString());
} catch (ServicesException e) {
Log.e(TAG, "MapboxStaticImage error: " + e.getMessage());
e.printStackTrace();
}
}
private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
ImageView imageView;
public DownloadImageTask(ImageView imageView) {
this.imageView = imageView;
}
protected Bitmap doInBackground(String... urls) {
// Create OkHttp object
final OkHttpClient client = new OkHttpClient();
// Build request
Request request = new Request.Builder()
.url(urls[0])
.build();
Response response = null;
Bitmap bitmap = null;
try {
// Make request
response = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
}
// If the response is successful,
// create the static map image
if (response.isSuccessful()) {
try {
bitmap = BitmapFactory.decodeStream(response.body().byteStream());
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
}
return bitmap;
}
protected void onPostExecute(Bitmap result) {
// Add static map image to imageView
imageView.setImageBitmap(result);
}
}
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@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_offline_simple);
mapView = (MapView) findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
// Set up the OfflineManager
offlineManager = OfflineManager.getInstance(this);
offlineManager.setAccessToken(MapboxAccountManager.getInstance().getAccessToken());
// Create a bounding box for the offline region
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(37.7897, -119.5073)) // Northeast
.include(new LatLng(37.6744, -119.6815)) // Southwest
.build();
// Define the offline region
OfflineTilePyramidRegionDefinition definition = new OfflineTilePyramidRegionDefinition(
mapView.getStyleUrl(),
latLngBounds,
10,
20,
this.getResources().getDisplayMetrics().density);
// Set the metadata
byte[] metadata;
try {
JSONObject jsonObject = new JSONObject();
jsonObject.put(JSON_FIELD_REGION_NAME, "Yosemite National Park");
String json = jsonObject.toString();
metadata = json.getBytes(JSON_CHARSET);
} catch (Exception e) {
Log.e(TAG, "Failed to encode metadata: " + e.getMessage());
metadata = null;
}
// Create the region asynchronously
offlineManager.createOfflineRegion(definition, metadata, new OfflineManager.CreateOfflineRegionCallback() {
@Override
public void onCreate(OfflineRegion offlineRegion) {
offlineRegion.setDownloadState(OfflineRegion.STATE_ACTIVE);
// Display the download progress bar
progressBar = (ProgressBar) findViewById(R.id.progress_bar);
startProgress();
// Monitor the download progress using setObserver
offlineRegion.setObserver(new OfflineRegion.OfflineRegionObserver() {
@Override
public void onStatusChanged(OfflineRegionStatus status) {
// Calculate the download percentage and update the progress bar
double percentage = status.getRequiredResourceCount() >= 0 ?
(100.0 * status.getCompletedResourceCount() / status.getRequiredResourceCount()) :
0.0;
if (status.isComplete()) {
// Download complete
endProgress("Region downloaded successfully.");
} else if (status.isRequiredResourceCountPrecise()) {
// Switch to determinate state
setPercentage((int) Math.round(percentage));
}
}
@Override
public void onError(OfflineRegionError error) {
// If an error occurs, print to logcat
Log.e(TAG, "onError reason: " + error.getReason());
Log.e(TAG, "onError message: " + error.getMessage());
}
@Override
public void mapboxTileCountLimitExceeded(long limit) {
// Notify if offline region exceeds maximum tile count
Log.e(TAG, "Mapbox tile count limit exceeded: " + limit);
}
});
}
@Override
public void onError(String error) {
Log.e(TAG, "Error: " + error);
}
});
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
offlineManager.listOfflineRegions(new OfflineManager.ListOfflineRegionsCallback() {
@Override
public void onList(OfflineRegion[] offlineRegions) {
// delete the last item in the offlineRegions list which will be yosemite offline map
offlineRegions[(offlineRegions.length - 1)].delete(new OfflineRegion.OfflineRegionDeleteCallback() {
@Override
public void onDelete() {
Toast.makeText(SimpleOfflineMapActivity.this, "Yosemite offline map deleted", Toast.LENGTH_LONG).show();
}
@Override
public void onError(String error) {
Log.e(TAG, "On Delete error: " + error);
}
});
}
@Override
public void onError(String error) {
Log.e(TAG, "onListError: " + error);
}
});
}
// Progress bar methods
private void startProgress() {
// Start and show the progress bar
isEndNotified = false;
progressBar.setIndeterminate(true);
progressBar.setVisibility(View.VISIBLE);
}
private void setPercentage(final int percentage) {
progressBar.setIndeterminate(false);
progressBar.setProgress(percentage);
}
private void endProgress(final String message) {
// Don't notify more than once
if (isEndNotified) return;
// Stop and hide the progress bar
isEndNotified = true;
progressBar.setIndeterminate(false);
progressBar.setVisibility(View.GONE);
// Show a toast
Toast.makeText(SimpleOfflineMapActivity.this, message, Toast.LENGTH_LONG).show();
}
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