kotlin热更新(阿里提供)

val pm: PackageManager = packageManager
val applicationInfo = pm.getApplicationInfo("com.ss.android.article.news", 0)
val oldPath = applicationInfo.sourceDir//获取旧版本apk
// 指定patch文件保存路径
val pathFile = File(Environment.getExternalStorageDirectory(), "toutiao.pach")
// 设置新版本apk保存路径
val newApkFile = File(Environment.getExternalStorageDirectory(), "toutiao_new.pach")
//合成新的版本  子线程
mDialog.show()
doAsync {
    val result = PatchUtil.patch(oldPath, newApkFile.absolutePath, pathFile.absolutePath)
    if (result == 0) {
        //合并成功
    }
    runOnUiThread {
        mDialog.dismiss()
        val intent = Intent()
        intent.action = "android.intent.action.View"
        intent.addCategory("android.intent.category.DEFAULT")
        intent.setDataAndType(Uri.parse("file://"+newApkFile.absolutePath),"application/vnd.android.package-archive")
        startActivity(intent)
    }
}