然后在AndroidStudio上查看错误日志The API key for use with the Google AR service could not be obtained!
2021-03-01 16:50:32.453 12995-13079/? E/ARCore-LocationProvider: Exception during FLP api client construction: com.google.android.gms.location.LocationServices
java.lang.ClassNotFoundException: com.google.android.gms.location.LocationServices
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:453)
at com.google.ar.core.services.LocationProvider.loadClass(PG:1)
at com.google.ar.core.services.LocationProvider.setupFusedLocationProviderApi(PG:1)
at com.google.ar.core.services.LocationProvider.<init>(PG:7)
Caused by: java.lang.ClassNotFoundException: Didn\'t find class \"com.google.android.gms.location.LocationServices\" on path: DexPathList[[zip file \"/data/app/com.ARTest2.lmh-v92xWdYC4M89ALhBR0PG2A==/.apk\"]nativeLibraryDirectories=[/data/app/com.ARTest2.lmh-v92xWdYC4M89ALhBR0PG2A==/lib/arm /data/app/com.ARTest2.lmh-v92xWdYC4M89ALhBR0PG2A==/.apk!/lib/armeabi-v7a /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:171)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:453)
at com.google.ar.core.services.LocationProvider.loadClass(PG:1)
at com.google.ar.core.services.LocationProvider.setupFusedLocationProviderApi(PG:1)
at com.google.ar.core.services.LocationProvider.<init>(PG:7)