高德 开发 Android 导航SDK 概述

//实现AMapHudView生命周期
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //获取AMapNavi实例
    mAMapNavi = AMapNavi.getInstance(getApplicationContext());
    //添加监听
    mAMapNavi.addAMapNaviListener(this);

    mAMapHudView = (AMapHudView) findViewById(R.id.hudview);
    mAMapHudView.setHudViewListener(this);
}

@Override
protected void onResume() {
    super.onResume();
    mAMapHudView.onResume();
}

@Override
protected void onPause() {
    super.onPause();
    mAMapHudView.onPause();
}

@Override
protected void onDestroy() {
    super.onDestroy();
    mAMapHudView.onDestroy();
}

//导航初始化成功，进行路径规划
@Override
public void onInitNaviSuccess() {
	/**
	 * 方法: int strategy=mAMapNavi.strategyConvert(congestion, avoidhightspeed, cost, hightspeed, multipleroute); 参数:
	 *
	 * @congestion 躲避拥堵
	 * @avoidhightspeed 不走高速
	 * @cost 避免收费
	 * @hightspeed 高速优先
	 * @multipleroute 多路径
	 *
	 *  说明: 以上参数都是boolean类型，其中multipleroute参数表示是否多条路线，如果为true则此策略会算出多条路线。
	 *  注意: 不走高速与高速优先不能同时为true 高速优先与避免收费不能同时为true
	 */
	int strategy = 0;
	try {
		//再次强调，最后一个参数为true时代表多路径，否则代表单路径
		strategy = mAMapNavi.strategyConvert(true, false, false, false, false);
	} catch (Exception e) {
		e.printStackTrace();
	}
	mAMapNavi.calculateDriveRoute(sList, eList, mWayPointList, strategy);
}

//算路成功回调，开始导航
@Override
public void onCalculateRouteSuccess() {
	mAMapNavi.startNavi(NaviType.EMULATOR);
}

/*
 * strategyFlag转换出来的值都对应PathPlanningStrategy常量，用户也可以直接传入PathPlanningStrategy常量进行算路。
 * 如:mAMapNavi.calculateDriveRoute(mStartList, mEndList, mWayPointList,PathPlanningStrategy.DRIVING_DEFAULT);
 */
int strategyFlag = 0;
try {
    /**
     * 方法:
     *   int strategy = mAMapNavi.strategyConvert(congestion, avoidhightspeed, cost, hightspeed, multipleroute);
     * 参数:
     * @congestion 躲避拥堵
     * @avoidhightspeed 不走高速
     * @cost 避免收费
     * @hightspeed 高速优先
     * @multipleroute 多路径
     *
     * 说明:
     *      以上参数都是boolean类型，其中multipleroute参数表示是否多条路线，如果为true则此策略会算出多条路线。
     * 注意:
     *      不走高速与高速优先不能同时为true
     *      高速优先与避免收费不能同时为true
     */
    strategyFlag = mAMapNavi.strategyConvert(congestion, avoidhightspeed, cost, hightspeed, true);
} catch (Exception e) {
    e.printStackTrace();
}

//多路径计算成功后，进入onCalculateMultipleRoutesSuccess 回调
@Override
public void onCalculateMultipleRoutesSuccess(int[] ints) {
    //清空上次计算的路径列表。
    routeOverlays.clear();
    HashMap<Integer, AMapNaviPath> paths = mAMapNavi.getNaviPaths();
    for (int i = 0; i < ints.length; i++) {
        AMapNaviPath path = paths.get(ints[i]);
        if (path != null) {
            drawRoutes(ints[i], path);
        }
    }
}


//对于多路径需要告诉 AMapNavi 选择的是哪条路，然后才能进行导航
aMapNavi.selectRouteId(routeIds[routeIndex]);

//定义导航界面View和路口放大图控件View
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical">

    <com.amap.api.navi.AMapNaviView
        android:id="@+id/navi_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />

    <com.amap.api.navi.view.ZoomInIntersectionView
        android:id="@+id/myZoomInIntersectionView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        />
</RelativeLayout>


//实现路口放大图自定义显示
mZoomInIntersectionView = (ZoomInIntersectionView) findViewById(R.id.myZoomInIntersectionView);
mAMapNaviView = (AMapNaviView) findViewById(R.id.navi_view);
mAMapNaviView.onCreate(savedInstanceState);

//设置布局完全不可见
AMapNaviViewOptions options = mAMapNaviView.getViewOptions();
options.setLayoutVisible(false);
mAMapNaviView.setViewOptions(options);

mAMapNaviView.setLazyZoomInIntersectionView(mZoomInIntersectionView);

//使用外部GPS数据
mAMapNavi.setIsUseExtraGPSData(true);

//设置外部GPS数据
Location location = new Location("gps仪器型号");
location.setLongitude(116.4 - 0.01 * i);
location.setLatitude(39.9);
location.setSpeed(5);
location.setAccuracy(1);
location.setBearing(5);
location.setTime(System.currentTimeMillis());
//以上6项数据缺一不可
mAMapNavi.setExtraGPSData(location);