高德地圖加定位
阿新 • • 發佈:2018-12-10
佈局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <com.amap.api.maps.MapView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/mapView" ></com.amap.api.maps.MapView> </LinearLayout>
java程式碼
public class dituActivity extends AppCompatActivity implements LocationSource,AMapLocationListener { private MapView mMapView = null; AMapLocationClient mLocationClient; AMapLocationClientOption mLocationOption; OnLocationChangedListener mListener; boolean isFirstLoc = true; AMap aMap; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_ditu); //獲取地圖控制元件引用 mMapView = (MapView) findViewById(R.id.mapView); //在activity執行onCreate時執行mMapView.onCreate(savedInstanceState),實現地圖生命週期管理 mMapView.onCreate(savedInstanceState); if (aMap == null) { aMap = mMapView.getMap(); //設定顯示定位按鈕 並且可以點選 UiSettings settings = aMap.getUiSettings(); aMap.setLocationSource(this);//設定了定位的監聽,這裡要實現LocationSource介面 // 是否顯示定位按鈕 settings.setMyLocationButtonEnabled(true); aMap.setMyLocationEnabled(true);//顯示定位層並且可以觸發定位,預設是flase mLocationClient = new AMapLocationClient(getApplicationContext()); //設定定位回撥監聽,這裡要實現AMapLocationListener介面,AMapLocationListener介面只有onLocationChanged方法可以實現,用於接收非同步返回的定位結果,引數是AMapLocation型別。 mLocationClient.setLocationListener(this); //初始化定位引數 mLocationOption = new AMapLocationClientOption(); mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy); //設定是否返回地址資訊(預設返回地址資訊) mLocationOption.setNeedAddress(true); //設定是否只定位一次,預設為false mLocationOption.setOnceLocation(false); //設定是否強制重新整理WIFI,預設為強制重新整理 mLocationOption.setWifiActiveScan(true); //設定是否允許模擬位置,預設為false,不允許模擬位置 mLocationOption.setMockEnable(false); //設定定位間隔,單位毫秒,預設為2000ms mLocationOption.setInterval(2000); //給定位客戶端物件設定定位引數 mLocationClient.setLocationOption(mLocationOption); //啟動定位 mLocationClient.startLocation(); } } @Override protected void onDestroy() { super.onDestroy(); //在activity執行onDestroy時執行mMapView.onDestroy(),實現地圖生命週期管理 mMapView.onDestroy(); } @Override protected void onResume() { super.onResume(); //在activity執行onResume時執行mMapView.onResume (),實現地圖生命週期管理 mMapView.onResume(); } @Override protected void onPause() { super.onPause(); //在activity執行onPause時執行mMapView.onPause (),實現地圖生命週期管理 mMapView.onPause(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); //在activity執行onSaveInstanceState時執行mMapView.onSaveInstanceState (outState)現地圖生命週期管理 mMapView.onSaveInstanceState(outState); } @Override public void onLocationChanged(AMapLocation aMapLocation) { if (aMapLocation != null) { if (aMapLocation.getErrorCode() == 0) { //定位成功回撥資訊,設定相關訊息 aMapLocation.getLocationType();//獲取當前定位結果來源,如網路定位結果,詳見官方定位型別表 aMapLocation.getLatitude();//獲取緯度 aMapLocation.getLongitude();//獲取經度 aMapLocation.getAccuracy();//獲取精度資訊 SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(aMapLocation.getTime()); df.format(date);//定位時間 aMapLocation.getAddress();//地址,如果option中設定isNeedAddress為false,則沒有此結果,網路定位結果中會有地址資訊,GPS定位不返回地址資訊。 aMapLocation.getCountry();//國家資訊 aMapLocation.getProvince();//省資訊 aMapLocation.getCity();//城市資訊 aMapLocation.getDistrict();//城區資訊 aMapLocation.getStreet();//街道資訊 aMapLocation.getStreetNum();//街道門牌號資訊 aMapLocation.getCityCode();//城市編碼 aMapLocation.getAdCode();//地區編碼 // 如果不設定標誌位,此時再拖動地圖時,它會不斷將地圖移動到當前的位置 if (isFirstLoc) { //設定縮放級別 aMap.moveCamera(CameraUpdateFactory.zoomTo(17)); //將地圖移動到定位點 aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude()))); //點選定位按鈕 能夠將地圖的中心移動到定位點 mListener.onLocationChanged(aMapLocation); //獲取定位資訊 StringBuffer buffer = new StringBuffer(); buffer.append(aMapLocation.getCountry() + "" + aMapLocation.getProvince() + "" + aMapLocation.getCity() + "" + aMapLocation.getProvince() + "" + aMapLocation.getDistrict() + "" + aMapLocation.getStreet() + "" + aMapLocation.getStreetNum()); Toast.makeText(getApplicationContext(), buffer.toString(), Toast.LENGTH_LONG).show(); isFirstLoc = false; } } else { //顯示錯誤資訊ErrCode是錯誤碼,errInfo是錯誤資訊,詳見錯誤碼錶。 Log.e("AmapError", "location Error, ErrCode:" + aMapLocation.getErrorCode() + ", errInfo:" + aMapLocation.getErrorInfo()); Toast.makeText(getApplicationContext(), "定位失敗", Toast.LENGTH_LONG).show(); } } } @Override public void activate(OnLocationChangedListener onLocationChangedListener) { mListener = onLocationChangedListener; } @Override public void deactivate() { mListener = null; } }
//依賴
//3D地圖so及jar implementation 'com.amap.api:3dmap:latest.integration' //定位功能 implementation 'com.amap.api:location:latest.integration' //搜尋功能 implementation 'com.amap.api:search:latest.integration'
//在AndroidMianifest裡面新增
<meta-data android:name="com.amap.api.v2.apikey" android:value="88bf7c00e4a5eace95885348bbd7b748" />