Android啓動百度地圖導航攜帶途經點方式（原創）

1、不多說，直接上代碼。

/**
     * 啓動百度地圖駕車導航（只支持駕車模式+途徑點）
     *
     * @param context
     * @param lat       終點經度
     * @param lon       終點緯度
     * @param viaPoints 途徑點
     */
    public static void startBaiduNavi(Context context, double lat, double lon, List<PositionUtil.Gps> viaPoints) {
        Intent baiduIntent = new Intent();
        // 駕車路線規劃：可選項（viaPoints 途經點，最多三個）
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("baidumap://map/navi?coord_type=wgs84&src=wukong&location=" + lat + "," + lon);
        try {
            if (viaPoints != null && !viaPoints.isEmpty()) {
                // 途徑點需要編碼
                String encode;
                StringBuilder pointSb = new StringBuilder();
                pointSb.append("{\"viaPoints\":[");
                // 需要轉百度座標點
                for (int i = 0; i < viaPoints.size(); ++i) {
                    PositionUtil.Gps viaPoint = viaPoints.get(i);
                    if (i > 0) {
                        pointSb.append(",");
                    }
                    PositionUtil.Gps gps = PositionUtil.gps84_To_Bd09(viaPoint.getWgLat(), viaPoint.getWgLon());
                    pointSb.append("{\"lat\":" + gps.getWgLat());
                    pointSb.append(",\"lng\":" + gps.getWgLon() + "}");
                    if (i > 1) break;
                }
                pointSb.append("]}");
                String points = pointSb.toString();
                Logger.e("途徑點：" + points);
                encode = URLEncoder.encode(points, "utf-8");
                stringBuilder.append("&viaPoints=" + encode);
            }
        } catch (Exception e) {
            Logger.e(e, "經緯度Url編碼失敗。 ");
        }
        String dataStr = stringBuilder.toString();
        Logger.e("啓動百度地圖跳轉信息：" + dataStr);
        baiduIntent.setData(Uri.parse(dataStr));
        try {
            context.startActivity(baiduIntent);
        } catch (Exception e) {
            Logger.e(e, "啓動百度地圖失敗，是否安裝百度地圖。");
            ToastUtils.toast(context, "導航失敗，請先安裝百度地圖手機版APP");
        }
    }