From 0befd97ab562c2cc880c1037d18898e00a4a65cf Mon Sep 17 00:00:00 2001 From: p6z7sf4pe <1724478130@qq.com> Date: Fri, 16 Jun 2023 23:32:18 +0800 Subject: [PATCH] =?UTF-8?q?=E4=B8=BB=E7=B1=BB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/MainActivity.java | 472 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 472 insertions(+) create mode 100644 src/MainActivity.java diff --git a/src/MainActivity.java b/src/MainActivity.java new file mode 100644 index 0000000..cd02c0e --- /dev/null +++ b/src/MainActivity.java @@ -0,0 +1,472 @@ +package com.example.sixaunyi; + +import static androidx.constraintlayout.motion.utils.Oscillator.TAG; + +import androidx.annotation.NonNull; +import androidx.appcompat.app.AppCompatActivity; + +import android.Manifest; +import android.annotation.SuppressLint; +import android.content.Intent; +import android.graphics.BitmapFactory; +import android.nfc.Tag; +import android.os.Build; +import android.os.Bundle; +import android.util.Log; +import android.view.View; +import android.widget.TextView; +import android.widget.Toast; + +import com.amap.api.location.AMapLocation; +import com.amap.api.location.AMapLocationClient; +import com.amap.api.location.AMapLocationClientOption; +import com.amap.api.location.AMapLocationListener; +import com.amap.api.maps.AMap; +import com.amap.api.maps.AMapUtils; +import com.amap.api.maps.LocationSource; +import com.amap.api.maps.MapView; +import com.amap.api.maps.model.BitmapDescriptorFactory; +import com.amap.api.maps.model.LatLng; +import com.amap.api.maps.model.Marker; +import com.amap.api.maps.model.MarkerOptions; +import com.amap.api.services.core.AMapException; +import com.amap.api.services.core.LatLonPoint; +import com.amap.api.services.core.PoiItem; +import com.amap.api.services.geocoder.GeocodeResult; +import com.amap.api.services.geocoder.GeocodeSearch; +import com.amap.api.services.geocoder.RegeocodeAddress; +import com.amap.api.services.geocoder.RegeocodeQuery; +import com.amap.api.services.geocoder.RegeocodeResult; +import com.amap.api.services.poisearch.PoiResult; +import com.amap.api.services.poisearch.PoiSearch; +import com.google.android.material.floatingactionbutton.FloatingActionButton; + +import java.util.ArrayList; +import java.util.List; + +import pub.devrel.easypermissions.AfterPermissionGranted; +import pub.devrel.easypermissions.EasyPermissions; + +public class MainActivity extends AppCompatActivity implements AMapLocationListener, LocationSource, + AMap.OnMapLongClickListener, GeocodeSearch.OnGeocodeSearchListener, AMap.OnMarkerDragListener, + AMap.OnMarkerClickListener{ + + //请求权限码 + private static final int REQUEST_PERMISSIONS = 9527; + //声明AMapLocationClient类对象 + public AMapLocationClient mLocationClient = null; + //声明AMapLocationClientOption对象 + public AMapLocationClientOption mLocationOption = null; + private MapView mapView = null; + private String city; + private LatLng Current_latlng; + //地图控制器*********非常重要！！！！！！ + private AMap aMap = null; + //位置更改监听 + private LocationSource.OnLocationChangedListener mListener; + //地理编码搜索 + private GeocodeSearch geocodeSearch; + //解析成功标识码 + private static final int PARSE_SUCCESS_CODE = 1000; + //POI查询对象 + private PoiSearch.Query query; + //POI搜索对象 + private PoiSearch poiSearch; + //城市码 + private String cityCode = null; + //浮动按钮 + private FloatingActionButton fabPOI; + //浮动按钮 清空地图标点 + private FloatingActionButton ClearMarker_btn; + //浮动按钮 更换活动 + private FloatingActionButton ChangeAct_btn; + //标点列表 + private List markerList = new ArrayList<>(); + //标识参数类 + private MarkerOptions markerOption = new MarkerOptions(); + + + + + + @SuppressLint("MissingInflatedId") + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_main); + fabPOI = findViewById(R.id.fab_poi); + ClearMarker_btn = findViewById(R.id.clearMarker_btn); + ChangeAct_btn = findViewById(R.id.change_btn); + ChangeAct_btn.show(); + //tvContent = findViewById(R.id.tv_content); + /*初始化定位,需要在检查版本之前 + *因为配置好之后才能启动定位，否则会报错 + */ + initLocation(); + //初始化地图 + initMap(savedInstanceState); + //检查安卓版本 + checkingAndroidVersion(); + } + /** + * 检查Android版本 + */ + private void checkingAndroidVersion() { + //Android6.0及以上先获取权限再定位 + if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M){ + requestPermission(); + } + //Android6.0以下直接定位 + else { + //直接定位 + mLocationClient.startLocation(); + } + } + /** + * 动态请求权限 + */ + @AfterPermissionGranted(REQUEST_PERMISSIONS) + private void requestPermission() { + String[] permissions = { + Manifest.permission.ACCESS_COARSE_LOCATION, + Manifest.permission.ACCESS_FINE_LOCATION, + Manifest.permission.READ_PHONE_STATE, + Manifest.permission.WRITE_EXTERNAL_STORAGE + }; + + if (EasyPermissions.hasPermissions(this, permissions)) { + //有权限 + //****** + Log.d(TAG, "已获得权限，可以定位啦！"); + showMsg("已获得权限，可以定位啦！"); + //开始定位 + mLocationClient.startLocation(); + } else { + //false 无权限 + EasyPermissions.requestPermissions(this, "需要权限", REQUEST_PERMISSIONS, permissions); + } + } + //提示框显示文本 + private void showMsg(String msg) { + Toast.makeText(this, msg, Toast.LENGTH_SHORT).show(); + } + /** + * 请求权限结果 + * @param requestCode + * @param permissions + * @param grantResults + */ + @Override + public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { + super.onRequestPermissionsResult(requestCode, permissions, grantResults); + //设置请求到的权限结果 + EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this); + } + + /******** 初始化定位 *******/ + private void initLocation() { + //初始化定位 + try { + mLocationClient = new AMapLocationClient(getApplicationContext()); + } catch (Exception e) { + e.printStackTrace(); + } + if (mLocationClient != null) { + //设置定位回调监听 + mLocationClient.setLocationListener(this); + //初始化AMapLocationClientOption对象 + mLocationOption = new AMapLocationClientOption(); + //设置定位模式为AMapLocationMode.Hight_Accuracy，高精度模式。 + mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy); + //获取最近3s内精度最高的一次定位结果： + //设置setOnceLocationLatest(boolean b)接口为true，启动定位时SDK会返回最近3s内精度最高的一次定位结果。如果设置其为true，setOnceLocation(boolean b)接口也会被设置为true，反之不会，默认为false。 + mLocationOption.setOnceLocationLatest(true); + //设置是否返回地址信息（默认返回地址信息） + mLocationOption.setNeedAddress(true); + //设置定位请求超时时间，单位是毫秒，默认30000毫秒，建议超时时间不要低于8000毫秒。 + mLocationOption.setHttpTimeOut(20000); + //关闭缓存机制，高精度定位会产生缓存。 + mLocationOption.setLocationCacheEnable(false); + //给定位客户端对象设置定位参数 + mLocationClient.setLocationOption(mLocationOption); + } + } + /** + * 初始化地图 + * @param savedInstanceState + */ + private void initMap(Bundle savedInstanceState) { + //因为mapView为null，所以要加上这个括号，不可常规的mapView.findViewById + mapView = (MapView) findViewById(R.id.map_view); + //在activity执行onCreate时执行mMapView.onCreate(savedInstanceState)，创建地图 + mapView.onCreate(savedInstanceState); + //初始化地图控制器对象 + aMap = mapView.getMap(); + // 设置定位监听 + aMap.setLocationSource(this); + // 设置为true表示显示定位层并可触发定位，false表示隐藏定位层并不可触发定位，默认是false + aMap.setMyLocationEnabled(true); + //设置地图标志点击事件 + aMap.setOnMarkerClickListener(this); + //设置地图标志拖拽事件 + aMap.setOnMarkerDragListener(this); + //开启室内地图 + //aMap.showIndoorMap(true); + //设置地图长按事件 + aMap.setOnMapLongClickListener(this); + //构造 GeocodeSearch 对象 + try { + geocodeSearch = new GeocodeSearch(this); + } catch (AMapException e) { + e.printStackTrace(); + } + //设置监听 + geocodeSearch.setOnGeocodeSearchListener(this); + } + + /** + * 激活定位 + */ + @Override + public void activate(OnLocationChangedListener onLocationChangedListener) { + mListener = onLocationChangedListener; + if (mLocationClient == null) { + mLocationClient.startLocation();//启动定位 + } + } + /** + * 停止定位 + */ + @Override + public void deactivate() { + mListener = null; + if (mLocationClient != null) { + mLocationClient.stopLocation(); + mLocationClient.onDestroy(); + } + mLocationClient = null; + } + + + @Override + public void onLocationChanged(AMapLocation aMapLocation) { + if (aMapLocation != null) { + //定位成功 + if (aMapLocation.getErrorCode() == 0) { + //地址 + String address = aMapLocation.getAddress(); + //城市赋值 + city = aMapLocation.getCity(); + //当前位置经纬度坐标 + Current_latlng = new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude()); + //获取纬度 + double latitude = aMapLocation.getLatitude(); + //获取经度 + double longitude = aMapLocation.getLongitude(); + + Log.d("MainActivity", aMapLocation.getCity()); + showMsg(address); + //停止定位后，本地定位服务并不会被销毁 + mLocationClient.stopLocation(); + if (mListener != null) { + // 显示系统图标 + mListener.onLocationChanged(aMapLocation); + } + //显示浮动按钮 + fabPOI.show(); + //赋值 + cityCode = aMapLocation.getCityCode(); + } + else { + //定位失败时，可通过ErrCode（错误码）信息来确定失败的原因，errInfo是错误信息，详见错误码表。 + Log.e("AmapError", "location Error, ErrCode:" + + aMapLocation.getErrorCode() + ", errInfo:" + + aMapLocation.getErrorInfo()); + } + } + } + /***********************Activity相关函数，其中添加了保证mapView与activity同步相关函数******************/ + @Override + protected void onResume() { + super.onResume(); + //在activity执行onResume时执行mMapView.onResume ()，重新绘制加载地图 + mapView.onResume(); + } + @Override + protected void onPause() { + super.onPause(); + //在activity执行onPause时执行mMapView.onPause ()，暂停地图的绘制 + mapView.onPause(); + } + @Override + protected void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + //在activity执行onSaveInstanceState时执行mMapView.onSaveInstanceState (outState)，保存地图当前的状态 + mapView.onSaveInstanceState(outState); + } + + @Override + protected void onDestroy() { + super.onDestroy(); + //销毁定位客户端，同时销毁本地定位服务。 + if (mLocationClient != null) { + mLocationClient.onDestroy(); + } + //在activity执行onDestroy时执行mMapView.onDestroy()，销毁地图 + mapView.onDestroy(); + } + /******************************************************************/ + /* * * 长按地图响应函数 * * */ + //LatLng 为高德地图包自带的存储坐标对象 + @Override + public void onMapLongClick(LatLng latLng) { + float distance = AMapUtils.calculateLineDistance(Current_latlng,latLng); + //showMsg("长按了地图，经度："+latLng.longitude+"，纬度："+latLng.latitude); + showMsg("直线距离："+distance+"米"); + //坐标转地址 + latlonToAddress(latLng); + //添加标点 + addMarker(latLng); + + } + + /** + * 添加地图标点 + * @param latLng + */ + private void addMarker(LatLng latLng) { + //显示浮动按钮 + ClearMarker_btn.show(); + //添加标点 + Marker marker = aMap.addMarker(markerOption + .position(latLng) + .draggable(true) + //标点图标 + .icon(BitmapDescriptorFactory. + fromBitmap(BitmapFactory.decodeResource(getResources(),R.drawable.img))) + //备注 + .title("路径点") + .snippet("距离：") + + ); + marker.showInfoWindow(); + markerList.add(marker); + } + /** + * 清空地图Marker + * @param view + */ + public void clearAllMarker(View view) { + if (markerList != null && markerList.size()>0){ + for (Marker markerItem : markerList) { + markerItem.remove(); + } + } + ClearMarker_btn.hide(); + } + + public void changeAct(View view) { + Intent intent = new Intent(MainActivity.this, VideoActivity.class); + intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); + startActivity(intent); + + } + + /** + * Marker点击事件 + * + * @param marker + * @return + */ + @Override + public boolean onMarkerClick(Marker marker) { + Log.d(TAG,"点击了标点"); + //显示InfoWindow + /* + if (!marker.isInfoWindowShown()) { + //显示 + marker.showInfoWindow(); + } else { + //隐藏 + marker.hideInfoWindow(); + } + */ + return true; + } + + /** + * 开始拖动 + * @param marker + */ + @Override + public void onMarkerDragStart(Marker marker) { + Log.d(TAG,"开始拖动"); + } + + /** + * 拖动中 + * @param marker + */ + @Override + public void onMarkerDrag(Marker marker) { + Log.d(TAG,"拖动中"); + } + + /** + * 拖动完成 + * @param marker + */ + @Override + public void onMarkerDragEnd(Marker marker) { + Log.d(TAG,"拖动完成"); + } + + + /* * * 通过坐标获取地址 * * * + * + * @param latLng + */ + private void latlonToAddress(LatLng latLng) { + //位置点 通过经纬度进行构建 + LatLonPoint latLonPoint = new LatLonPoint(latLng.latitude, latLng.longitude); + //逆编码查询 第一个参数表示一个Latlng，第二参数表示范围多少米，第三个参数表示是火系坐标系还是GPS原生坐标系 + RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 20, GeocodeSearch.AMAP); + //异步获取地址信息 + geocodeSearch.getFromLocationAsyn(query); + } + /*****************************坐标转地址**************************** + * @param regeocodeResult + * @param rCode + */ + @Override + public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int rCode) { + if(rCode == PARSE_SUCCESS_CODE){ + RegeocodeAddress regeocodeAddress = regeocodeResult.getRegeocodeAddress(); + //显示解析后的地址 + showMsg("地址："+regeocodeAddress.getFormatAddress()); + }else { + showMsg("获取地址失败"); + } + } + + @Override + public void onGeocodeSearched(GeocodeResult geocodeResult, int i) { + + } +/* + @Override + public void onPoiSearched(PoiResult poiResult, int i) { + //解析result获取POI信息 + + //获取POI组数列表 + ArrayList poiItems = poiResult.getPois(); + for (PoiItem poiItem : poiItems) { + Log.d("MainActivity", " Title：" + poiItem.getTitle() + " Snippet：" + poiItem.getSnippet()); + } + }*/ + /* + @Override + public void (PoiItem poiItem, int i) { + + }*/ +} \ No newline at end of file