<DependentLayout
        ohos:id="$+id:osm_map_container"
        ohos:height="match_content"
        ohos:width="match_parent">

        <com.talkweb.osmharmony.views.MapView
            ohos:id="$+id:osm_map_view"
            ohos:height="match_parent"
            ohos:width="match_parent"
            ohos:horizontal_center="true"/>
        
        ·················
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mMapContainerView = (DependentLayout) findComponentById(ResourceTable.Id_osm_map_container);
mapView = (MapView) findComponentById(ResourceTable.Id_osm_map_view);
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mMapContainerView = (DependentLayout) findComponentById(ResourceTable.Id_osm_map_container);
DependentLayout.LayoutConfig layoutConfig = new DependentLayout.LayoutConfig();
layoutConfig.width = DependentLayout.LayoutConfig.MATCH_PARENT;
layoutConfig.height = DependentLayout.LayoutConfig.MATCH_PARENT;

//实例化MapView
mapView = new MapView(this);
mMapContainerView.addComponent(mapView, 0, layoutConfig);
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······ 

"module": {
    "reqPermissions": [
      {"name": "ohos.permission.LOCATION"},
      {"name": "ohos.permission.LOCATION_IN_BACKGROUND"},
      {"name": "ohos.permission.ACCELEROMETER"},
      {"name": "ohos.permission.GET_NETWORK_INFO"},
      {"name": "ohos.permission.SET_NETWORK_INFO"},
      {"name": "ohos.permission.INTERNET"},
      {"name": "ohos.permission.GYROSCOPE"},
      {"name": "ohos.permission.READ_USER_STORAGE"},
      {"name": "ohos.permission.WRITE_USER_STORAGE"}
    ],
    
······
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public class MainAbility extends Ability {

    private String[] requestPermissions = {
            SystemPermission.WRITE_USER_STORAGE, 
            SystemPermission.READ_USER_STORAGE, 
            SystemPermission.LOCATION
    };

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setMainRoute(MainAbilitySlice.class.getName());
        PermissionsUtils.getInstance().requestPermissions(this, requestPermissions);
    }

    @Override
    public void onRequestPermissionsFromUserResult(int requestCode, String[] permissions, int[] grantResults) {
        PermissionsUtils.getInstance().onRequestPermissionsResult(requestCode, permissions, grantResults);
    }
}
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// 启动多点触控放大缩小旋转
MapView.setMultiTouchControls(true);
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mMapController = mapView.getController();
//设置地图中心点位置
mMapController.setCenter(new GeoPoint(28.222567, 112.884651));
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mMapController = mapView.getController();
//设置初始化缩放级别
mMapController.setZoom(15.0);
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//加载离线地图
File file = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).getParentFile();
String strFilepath = file.getPath() + "/osmdroid/";

File[] files = new File(strFilepath).listFiles();
if (files != null && files.length > 0) {
    File exitFile = files[0];
    if (exitFile.exists()) {
        String filename = exitFile.getName();
        String extension = filename.substring(filename.lastIndexOf(".") + 1);
        if (ArchiveFileFactory.isFileExtensionRegistered(extension)) {
            IRegisterReceiver registerReceiver = new SimpleRegisterReceiver(this);
            File[] offlineFiles = new File[]{exitFile};
            OfflineTileProvider tileProvider = new OfflineTileProvider(registerReceiver, offlineFiles);
            mapView.setTileProvider(tileProvider);

            IArchiveFile[] archives = tileProvider.getArchives();
            if (archives.length > 0) {
                Set<String> tileSource = archives[0].getTileSources();
                if (!tileSource.isEmpty()) {
                    String source = tileSource.iterator().next();
                    mapView.setTileSource(FileBasedTileSource.getSource(source));
                    mapView.setUseDataConnection(false);
                }
            }
        }
    }
}
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//指南针
InternalCompassOrientationProvider compassProvider = new InternalCompassOrientationProvider(this);
CompassOverlay mCompassOverlay = new CompassOverlay(this, compassProvider, mapView);
mCompassOverlay.enableCompass();
mapView.getOverlays().add(mCompassOverlay);
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private MapView mapView;
private MyLocationNewOverlay mLocationOverlay;

@Override
public void onStart(Intent intent) {
    super.onStart(intent);
    super.setUIContent(ResourceTable.Layout_ability_main);

    if (isGrantedLocationPermission()) {
        addMyLocationOverlayMark();
    } else {
        PermissionsUtils.getInstance().setRequestListener(permission -> {
            if (permission.equals(SystemPermission.LOCATION)) {
                addMyLocationOverlayMark();
            }
        });
    }
}

@Override
public void onActive() {
    super.onActive();
    mapView.onResume();
    if (mLocationOverlay != null) {
        mLocationOverlay.enableMyLocation();
    }
}

@Override
protected void onInactive() {
    super.onInactive();
    mapView.onPause();
    if (mLocationOverlay != null) {
        mLocationOverlay.disableMyLocation();
    }
}
    
private boolean isGrantedLocationPermission() {
    return IBundleManager.PERMISSION_GRANTED 
        == verifyCallingOrSelfPermission(SystemPermission.LOCATION);
}

private void addMyLocationOverlayMark() {
    //添加当前设备自动定位点，需要先具有设备位置权限
    mLocationOverlay = new MyLocationNewOverlay(mapView);
    PixelMap personPixelMap = ResourceHelper.getPixmap(this, ResourceTable.Media_person);
    PixelMap directionPixelMap = ResourceHelper.getPixmap(this, ResourceTable.Media_loc);
    mLocationOverlay.setDirectionArrow(personPixelMap, directionPixelMap);
    mapView.getOverlays().add(mLocationOverlay);
}   
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//添加比例尺
ScaleBarOverlay scaleBar = new ScaleBarOverlay(mapView);
scaleBar.setCentred(true);
scaleBar.setAlignBottom(true); //底部显示
mapView.getOverlays().add(scaleBar);
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//地图自由旋转
RotationGestureOverlay mRotationGestureOverlay = new RotationGestureOverlay(mapView);
mRotationGestureOverlay.setEnabled(true);
mapView.getOverlays().add(mRotationGestureOverlay);
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//路径规划点
Polyline polyline = new Polyline();

//添加路径上的关键坐标点
for(int i = 0; i < size; i++) {
    polyline.addPoint(new GeoPoint(latitude, longitude));
}

//设置信息框标题
polyline.setTitle("title");
//设置信息框内容
polyline.setSubDescription(polyline.getDistance() + "");
//设置线宽度为50
polyline.getOutlinePaint().setStrokeWidth(20);
//设置线的颜色为红色
polyline.getOutlinePaint().setColor(Color.BLUE);
polyline.setInfoWindow(new BasicInfoWindow(ResourceTable.Layout_bonuspack_bubble, mapeView));
mapView.getOverlayManager().add(polyline);
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https://gitee.com/talkwebyunchaung/osmdroid-ohos
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