做网站需要招聘内容/搜狗引擎

1、地址

Github地址：https://gitee.com/mirrors/osmdroid

Git地址：

GitCode - 全球开发者的开源社区,开源代码托管平台

Git下载包地址：Releases · osmdroid/osmdroid · GitHub

1. 新建项目

osmdroid在线：

（1）添加依赖

（2）布局文件activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity"android:orientation="vertical"><org.osmdroid.views.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"/><Buttonandroid:id="@+id/btnLocation"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="定位"android:layout_margin="10dp"android:layout_alignParentTop="true"/></RelativeLayout>

（3）代码MainActivity.java

package com.chy.osmdroid;import androidx.appcompat.app.AppCompatActivity;
import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.chy.layers.LayerTileSources;
import com.chy.permission.PermissionUtils;
import org.osmdroid.api.IMapController;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.CustomZoomButtonsController;
import org.osmdroid.views.MapView;public class MainActivity extends AppCompatActivity {private static final int REQUEST_PERMISSION_CODE = 0;// 权限所用// 动态申请权限private String[] permissions = {Manifest.permission.INTERNET,// 网络权限Manifest.permission.ACCESS_COARSE_LOCATION,// 精细定位Manifest.permission.ACCESS_FINE_LOCATION,// 粗定位Manifest.permission.ACCESS_WIFI_STATE,// 定位权限Manifest.permission.ACCESS_NETWORK_STATE,Manifest.permission.WRITE_EXTERNAL_STORAGE};private MapView mapView;private LocationManager locationManager;// 定位管理器private Button btnLocation;// 定位按钮private boolean isLocation = false;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);getPermission();// 获取权限initControls();}/*** 权限* */private void getPermission(){if (PermissionUtils.hasPermissions(MainActivity.this, permissions)) {initMap();// 调用初始化地图} else {PermissionUtils.requestPermissions(MainActivity.this, REQUEST_PERMISSION_CODE, permissions);Toast.makeText(getApplicationContext(), "地图加载失败！", Toast.LENGTH_SHORT).show();}}// 地图初始化private void initMap(){// 获取mapView实例mapView = findViewById(R.id.mapView);// 加载在线地图mapView.setTileSource(LayerTileSources.AutoNaviVector);// 设置最小缩放比例mapView.setMinZoomLevel(3.0);// 设置最大缩放比例mapView.setMaxZoomLevel(18.0);IMapController mapController = mapView.getController();// 设置地图初始级别mapController.setZoom(11.0);// 设置初始中心点GeoPoint centerPoint = new GeoPoint(43.90, 125.33);mapController.setCenter(centerPoint);//启用缩放及滑动手势//mapView.setBuiltInZoomControls(true);// 废弃得方法，被下面方法所替代mapView.getZoomController().setVisibility(CustomZoomButtonsController.Visibility.NEVER);mapView.setMultiTouchControls(true);}// 控件初始化private void initControls(){btnLocation = findViewById(R.id.btnLocation);// 点击事件btnLocation.setOnClickListener(new View.OnClickListener() {@SuppressLint("MissingPermission")@Overridepublic void onClick(View v) {//创建位置管理器实例locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);if (!isLocation){// 注册位置监听器locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);isLocation = !isLocation;}else {// 停止位置更新locationManager.removeUpdates(locationListener);isLocation = !isLocation;Toast.makeText(getApplicationContext(),"停止位置更新",Toast.LENGTH_SHORT).show();}}});}/*** 定位监听* */LocationListener locationListener = new LocationListener() {@Overridepublic void onLocationChanged(Location location) {// 处理位置变化double latitude = location.getLatitude();double longitude = location.getLongitude();Toast.makeText(getApplicationContext(),"lat:"+latitude+"lon:"+longitude,Toast.LENGTH_SHORT).show();// 在地图上显示当前位置// ...}@Overridepublic void onStatusChanged(String provider, int status, Bundle extras) {Toast.makeText(getApplicationContext(),"onStatusChanged",Toast.LENGTH_SHORT).show();}@Overridepublic void onProviderEnabled(String provider) {Toast.makeText(getApplicationContext(),"onProviderEnabled",Toast.LENGTH_SHORT).show();}@Overridepublic void onProviderDisabled(String provider) {Toast.makeText(getApplicationContext(),"onProviderDisabled",Toast.LENGTH_SHORT).show();}};@Overrideprotected void onDestroy() {super.onDestroy();// 停止位置更新if (locationManager != null){locationManager.removeUpdates(locationListener);}}
}

（4）代码LayerTileSources.java

package com.chy.layers;import android.util.Log;import org.osmdroid.tileprovider.tilesource.OnlineTileSourceBase;
import org.osmdroid.tileprovider.tilesource.TileSourceFactory;
import org.osmdroid.tileprovider.tilesource.XYTileSource;
import org.osmdroid.util.MapTileIndex;/*** 谷歌、高德等瓦片地图** @author jiang zhu on 2019/10/18*/
public class LayerTileSources extends TileSourceFactory {//谷歌卫星混合public static final OnlineTileSourceBase GoogleHybrid = new XYTileSource("Google-Hybrid",0, 19, 512, ".png", new String[]{"http://mt0.google.cn","http://mt1.google.cn","http://mt2.google.cn","http://mt3.google.cn",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {Log.d("url", getBaseUrl() + "/vt/lyrs=y&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex));return getBaseUrl() + "/vt/lyrs=y&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex);}};//谷歌卫星public static final OnlineTileSourceBase GoogleSat = new XYTileSource("Google-Sat",0, 19, 512, ".png", new String[]{"http://mt0.google.cn","http://mt1.google.cn","http://mt2.google.cn","http://mt3.google.cn",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {return getBaseUrl() + "/vt/lyrs=s&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex);}};//谷歌地图public static final OnlineTileSourceBase GoogleRoads = new XYTileSource("Google-Roads",0, 18, 512, ".png", new String[]{"http://mt0.google.cn","http://mt1.google.cn","http://mt2.google.cn","http://mt3.google.cn",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {return getBaseUrl() + "/vt/lyrs=m&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex);}};//谷歌地形public static final OnlineTileSourceBase GoogleTerrain = new XYTileSource("Google-Terrain",0, 16, 512, ".png", new String[]{"http://mt0.google.cn","http://mt1.google.cn","http://mt2.google.cn","http://mt3.google.cn",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {return getBaseUrl() + "/vt/lyrs=t&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex);}};//谷歌地形带标注public static final OnlineTileSourceBase GoogleTerrainHybrid = new XYTileSource("Google-Terrain-Hybrid",0, 16, 512, ".png", new String[]{"http://mt0.google.cn","http://mt1.google.cn","http://mt2.google.cn","http://mt3.google.cn",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {return getBaseUrl() + "/vt/lyrs=p&scale=2&hl=zh-CN&gl=CN&src=app&x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z=" + MapTileIndex.getZoom(pMapTileIndex);}};//高德地图public static final OnlineTileSourceBase AutoNaviVector = new XYTileSource("AutoNavi-Vector",0, 20, 256, ".png", new String[]{"https://wprd01.is.autonavi.com/appmaptile?","https://wprd02.is.autonavi.com/appmaptile?","https://wprd03.is.autonavi.com/appmaptile?","https://wprd04.is.autonavi.com/appmaptile?",}) {@Overridepublic String getTileURLString(long pMapTileIndex) {return getBaseUrl() + "x=" + MapTileIndex.getX(pMapTileIndex) + "&y=" + MapTileIndex.getY(pMapTileIndex) + "&z="+ MapTileIndex.getZoom(pMapTileIndex) + "&lang=zh_cn&size=1&scl=1&style=7&ltype=7";}};}

（5）权限代码

AndroidManifest.xml权限代码

<uses-permission android:name="android.permission.INTERNET" /><uses-permission  android:name="android.permission.ACCESS_COARSE_LOCATION"/><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /><uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

PermissionUtils.java 代码

package com.chy.permission;import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;import androidx.annotation.NonNull;
import androidx.annotation.Size;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;import java.util.ArrayList;
import java.util.List;/*** 动态申请权限工具类* Created by xiaoyehai on 2018/4/25 0025.*/
public class PermissionUtils {public static final int GOTO_SEETING_CODE = 152;/*** 判断是否有权限** @param context* @param perms* @return*/public static boolean hasPermissions(@NonNull Context context, @Size(min = 1) @NonNull String... perms) {if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {return true;}if (context == null) {throw new IllegalArgumentException("Can't check permissions for null context");}for (String perm : perms) {if (ContextCompat.checkSelfPermission(context, perm) != PackageManager.PERMISSION_GRANTED) {return false;}}return true;}/*** 申请权限*/public static void requestPermissions(@NonNull Activity activity, int requestCode, String[] permissions) {List<String> permissionList = new ArrayList<>();for (String permission : permissions) {if (ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED) {permissionList.add(permission);}}String[] permissionsArray = permissionList.toArray(new String[permissionList.size()]);//将List转为数组if (permissionList.isEmpty()) {//不可能为空} else {ActivityCompat.requestPermissions(activity, permissionsArray, requestCode);//返回结果onRequestPermissionsResult}}/*** 申请权限的回调** @param requestCode  请求权限时传入的请求码，用于区别是哪一次请求的* @param permissions  所请求的所有权限的数组* @param grantResults 权限授予结果，和 permissions 数组参数中的权限一一对应，元素值为两种情况，如下:*                     授予: PackageManager.PERMISSION_GRANTED*                     拒绝: PackageManager.PERMISSION_DENIED*/public static void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,@NonNull int[] grantResults, @NonNull PermissionCallbacks callBack) {//授予的权限。List<String> granted = new ArrayList<>();//拒绝的权限List<String> denied = new ArrayList<>();for (int i = 0; i < permissions.length; i++) {String perm = permissions[i];if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {granted.add(perm);} else {denied.add(perm);}}if (null != callBack) {if (denied.isEmpty()) {callBack.onPermissionsAllGranted(requestCode, granted, denied.isEmpty());}if (!denied.isEmpty()) {callBack.onPermissionsDenied(requestCode, denied);}}}/*** 用户是否拒绝权限，并检查“不要提醒”。** @param activity* @param perms* @return*/public static boolean somePermissionPermanentlyDenied(Activity activity, @NonNull List<String> perms) {for (String deniedPermission : perms) {if (permissionPermanentlyDenied(activity, deniedPermission)) {return true;}}return false;}public static boolean permissionPermanentlyDenied(Activity activity, @NonNull String perms) {if (!ActivityCompat.shouldShowRequestPermissionRationale(activity, perms)) {return true;}return false;}public static void showDialogGoToAppSettting(final Activity activity) {AlertDialog dialog = new AlertDialog.Builder(activity).setMessage("去设置界面开启权限").setPositiveButton("确定", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {// 跳转到应用设置界面goToAppSetting(activity);}}).setCancelable(false).show();}/*** 跳转到应用设置界面*/public static void goToAppSetting(Activity activity) {Intent intent = new Intent();intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);Uri uri = Uri.fromParts("package", activity.getPackageName(), null);intent.setData(uri);activity.startActivityForResult(intent, GOTO_SEETING_CODE);}public static void showPermissionReason(final int requestCode, final Activity activity, final String[] permission, String s) {AlertDialog dialog = new AlertDialog.Builder(activity).setMessage(s).setPositiveButton("确定", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {requestPermissions(activity, requestCode, permission);}}).setCancelable(false).show();}public interface PermissionCallbacks {/*** @param isAllGranted 是否全部同意*/void onPermissionsAllGranted(int requestCode, List<String> perms, boolean isAllGranted);/***/void onPermissionsDenied(int requestCode, List<String> perms);}
}

（6）加载离线地图

// 加载离线地图OSMDroid支持多种地图文件格式，如MBTiles、SQLiteDatabase、ZIP文件等String strFilepath = Environment.getExternalStorageDirectory().getPath() +"/osmdroid/xian.mbtiles";  // 在 此处替换自己的资源File exitFile = new File(strFilepath);String fileName = "xian.mbtiles";if (!exitFile.exists() && !fileName.contains(".")) {mapView.setTileSource(org.osmdroid.tileprovider.tilesource.TileSourceFactory.MAPNIK);} else {fileName = fileName.substring(fileName.lastIndexOf(".") + 1);if (fileName.length() == 0)return;/**** extensionMap.put("zip", ZipFileArchive.class);if(VERSION.SDK_INT >= 10) {extensionMap.put("sqlite", DatabaseFileArchive.class);extensionMap.put("mbtiles", MBTilesFileArchive.class);extensionMap.put("gemf", GEMFFileArchive.class);}这里加载上面四种地图格式*/if (ArchiveFileFactory.isFileExtensionRegistered(fileName)) {try {OfflineTileProvider tileProvider = new OfflineTileProvider(newSimpleRegisterReceiver(getApplicationContext()),new File[]{exitFile});mapView.setTileProvider(tileProvider);String source = "";IArchiveFile[] archives = tileProvider.getArchives();if (archives.length > 0) {Set<String> tileSources = archives[0].getTileSources();if (!tileSources.isEmpty()) {source = tileSources.iterator().next();mapView.setTileSource(FileBasedTileSource.getSource(source));} else {mapView.setTileSource(org.osmdroid.tileprovider.tilesource.TileSourceFactory.DEFAULT_TILE_SOURCE);}} elsemapView.setTileSource(org.osmdroid.tileprovider.tilesource.TileSourceFactory.DEFAULT_TILE_SOURCE);} catch (Exception ex) {ex.printStackTrace();}}