android呼叫外部導航(百度,高德)
阿新 • • 發佈:2019-02-01
高德 com.autonavi.minimap
百度 com.baidu.BaiduMap
百度 如果已安裝跳轉安裝的程式 如果沒有安裝跳轉網頁版百度地圖
private void openBaiduMap(double lon, double lat, String describle) { try { StringBuilder loc = new StringBuilder(); loc.append("intent://map/direction?origin=latlng:"); loc.append(latitude); loc.append(","); loc.append(longitude); loc.append("|name:"); loc.append("我的位置"); loc.append("&destination=latlng:"); loc.append(lat); loc.append(","); loc.append(lon); loc.append("|name:"); loc.append(describle); loc.append("&mode=driving"); loc.append("&referer=Autohome|GasStation#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end"); Intent intent = Intent.getIntent(loc.toString()); if (isInstallPackage("com.baidu.BaiduMap")) { startActivity(intent); //啟動呼叫 Log.e("GasStation", "百度地圖客戶端已經安裝"); } else { LatLng ptMine = new LatLng(latitude, longitude); LatLng ptPosition = new LatLng(lat, lon); NaviParaOption para = new NaviParaOption() .startPoint(ptMine) .endPoint(ptPosition); BaiduMapNavigation.openWebBaiduMapNavi(para, getApplicationContext()); } } catch (Exception e) { e.printStackTrace(); } }
高德地圖
private void openGaoDeMap(double lon, double lat, String title, String describle) { try { double[] gd_lat_lon = bdToGaoDe(lon, lat); StringBuilder loc = new StringBuilder(); loc.append("androidamap://viewMap?sourceApplication=XX"); loc.append("&poiname="); loc.append(describle); loc.append("&lat="); loc.append(gd_lat_lon[0]); loc.append("&lon="); loc.append(gd_lat_lon[1]); loc.append("&dev=0"); Intent intent = Intent.getIntent(loc.toString()); startActivity(intent); } catch (Exception e) { e.printStackTrace(); } }
判斷手機是否有app
private boolean isInstallPackage(String packageName) {
return new File("/data/data/" + packageName).exists();
}
GCJ-02 == BD-09 地圖座標系互轉
private double[] bdToGaoDe(double bd_lat, double bd_lon) { double[] gd_lat_lon = new double[2]; double PI = 3.14159265358979324 * 3000.0 / 180.0; double x = bd_lon - 0.0065, y = bd_lat - 0.006; double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * PI); double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * PI); gd_lat_lon[0] = z * Math.cos(theta); gd_lat_lon[1] = z * Math.sin(theta); return gd_lat_lon; } private double[] gaoDeToBaidu(double gd_lon, double gd_lat) { double[] bd_lat_lon = new double[2]; double PI = 3.14159265358979324 * 3000.0 / 180.0; double x = gd_lon, y = gd_lat; double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * PI); double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * PI); bd_lat_lon[0] = z * Math.cos(theta) + 0.0065; bd_lat_lon[1] = z * Math.sin(theta) + 0.006; return bd_lat_lon; }
呼叫
@OnClick({R.id.iv_go})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.iv_go:
openBaiduMap(Double.parseDouble(lng), Double.parseDouble(lat), address);
break;
}
}