Android 如何修复未解析的引用:DialogFragment中的packageManager
我正试图从DialogFragment打电话,但(packageManager)不接受 怎么解决Android 如何修复未解析的引用:DialogFragment中的packageManager,android,kotlin,Android,Kotlin,我正试图从DialogFragment打电话,但(packageManager)不接受 怎么解决 class ItemDetkFragment : DialogFragment() { override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { // Inflate the layout for thi
class ItemDetkFragment : DialogFragment() {
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
val v: View= inflater.inflate(R.layout.fragment_item_detk, container, false)
v.car_typee.text= car_item.type
v.item_typee.text= car_item.item_type
v.modele.text= car_item.modele
v.pricee.text= car_item.price+ " JD"
if (car_item.number> 0) {
v.numberr.text= "available"
v.numberr.setTextColor(Color.GREEN)
} else {
v.numberr.text= "Not available"
v.numberr.setTextColor(Color.RED)
}
Picasso.with(activity).load(car_item.picUrl).into(v.photo)
v.contactPhone.setOnClickListener {
val phoneNum = "855394839583"// the number for testing
val i = Intent(Intent.ACTION_DIAL)
i.data = Uri.parse("tel:$phoneNum")
if (i.resolveActivity(packageManager) != null) { //the
problem is here in (((((packageManager)))))it is in red!!!
startActivity(i)
}
}
return v
}
}
正如您从图片中看到的(packageManager)是红色的,如何修复它 试试这个:
PackageManager packageManager = getActivity().getPackageManager();
if (i.resolveActivity(packageManager) != null) {
startActivity(i)
}
试试这个:
PackageManager packageManager = getActivity().getPackageManager();
if (i.resolveActivity(packageManager) != null) {
startActivity(i)
}
在代码中,
packageManager
未定义为变量,请将其更改为getPackageManager()
所以它变成了
if (i.resolveActivity(getPackageManager()) != null) {
startActivity(i)
}
在代码中,
packageManager
未定义为变量,请将其更改为getPackageManager()
所以它变成了
if (i.resolveActivity(getPackageManager()) != null) {
startActivity(i)
}
我注意到Android Studio似乎只有在使用
Fragment
s时才有这个问题。考虑改用主页
。尽管如此,我还是希望这能有所帮助。我注意到Android Studio似乎只有在使用Fragment
s时才会出现这个问题。考虑改用主页
。尽管如此,我希望这能有所帮助