Android Kotlin 跳转第三方地图App进行导航（高德

跳转第三方地图App进行导航

/**

* type

*  1    高德地图com.autonavi.minimap

*  2    百度地图com.baidu.BaiduMap

*  3    腾讯地图com.tencent.map

*

*/

private fun goNavigation(type: Int,lat: Double, lon: Double,title:String, appName:String): Intent? {

when (type) {

1 ->{// sb 拼接跳转至高德地图需要的参数

            val sb = StringBuilder("androidamap://route?sourceApplication=").append(appName)

sb.append("&dlat=").append(lat).append("&dlon=").append(lon).append("&dname=").append(title).append("&dev=0&m=0&t=0")

return Intent("android.intent.action.VIEW", Uri.parse(sb.toString())).setPackage("com.autonavi.minimap")

}

2 ->{// sb 拼接跳转至百度地图需要的参数

            val sb = StringBuilder("baidumap://map/geocoder?")

sb.append("location=").append(lat).append(",").append(lon).append("&name=").append(title).append("&coord_type=gcj02")

return Intent().setData(Uri.parse(sb.toString())).setPackage("com.baidu.BaiduMap")

}

else ->{// sb 拼接跳转至腾讯地图需要的参数

            val sb = StringBuilder("qqmap://map/routeplan?type=drive&referer=").append(appName)

sb.append("&tocoord=").append(lat).append(",").append(lon).append("&to=").append(title)

return Intent( ).setData( Uri.parse(sb.toString()))

}

}

}

检测是否安装App

/**

* 检索是否有对应app

*/

fun isApp(packageName: String?): Boolean {

//获取packagemanager

    val packageManager =activity?.packageManager

    //获取所有已安装程序的包信息

    val packageInfos = packageManager?.getInstalledPackages(0)

//用于存储所有已安装程序的包名

    val packageNames: MutableList = ArrayList()

//从pinfo中将包名字逐一取出，压入pName list中

    if (packageInfos !=null) {

for (iin packageInfos.indices) {

val packName =packageInfos[i].packageName

            packageNames.add(packName)

}

}

//判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE

    return packageNames.contains(packageName)

}