检查片段中LocationServices.FusedLocationApi的权限时，getContext（）出错

Question

java.lang.NullPointerException：尝试调用虚方法＆＃39; int android.content.Context.checkPermission（java.lang.String，int，int）＆＃39;在空对象引用上

   if (ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    .....
            return;
        }

Answer 1

您的上下文

Context context = getActivity();//if using fragment
Context context = ActivityName.this;//if using Activity

您可以使用以下方法

 if(context.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && context.checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
}