我是编码和尝试编写带有通知的地理围栏应用程序的新手。每次运行该应用程序时，都会出现运行时错误。这是我发现的东西。就像我说的那样，我对编码非常陌生，我真的不知道有人需要什么才能理解这个问题。如果还有其他需求，我绝对可以添加。谢谢！
04/12 11:33:32: Launching app
$ adb install-multiple -r -t /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_9.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_8.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/dep/dependencies.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_6.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_1.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_0.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_7.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/resources/instant-
run/debug/resources-debug.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_2.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_5.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_4.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/split-
apk/debug/slices/slice_3.apk /Users/hariberzins/Downloads/moe-
samples-java-moe-
master/AndroidGeofire/app/build/intermediates/instant-run-
apk/debug/app-debug.apk
Split APKs installed in 1 s 111 ms
$ adb shell am start -n
"edmt.dev.androidgeofire/edmt.dev.androidgeofire.MapsActivity" -
a android.intent.action.MAIN -c android.intent.category.LAUNCHER
-D
Waiting for application to come online:
edmt.dev.androidgeofire.test | edmt.dev.androidgeofire
Waiting for application to come online:
edmt.dev.androidgeofire.test | edmt.dev.androidgeofire
Waiting for application to come online: edmt.dev.androidgeofire.test
| edmt.dev.androidgeofire
Connecting to edmt.dev.androidgeofire
Capturing and displaying logcat messages from application. This
behavior can be disabled in the "Logcat output" section of the
"Debugger" settings page.
W/ActivityThread: Application edmt.dev.androidgeofire is waiting for
the debugger on port 8100...
I/System.out: Sending WAIT chunk
I/System.out: Debugger has connected
I/System.out: waiting for debugger to settle...
Connected to the target VM, address: 'localhost:8663', transport:
'socket'
I/System.out: waiting for debugger to settle...
I/System.out: waiting for debugger to settle...
I/System.out: waiting for debugger to settle...
I/System.out: waiting for debugger to settle...
I/chatty: uid=10088(edmt.dev.androidgeofire) identical 1 line
I/System.out: waiting for debugger to settle...
I/System.out: debugger has settled (1305)
I/.androidgeofir: The ClassLoaderContext is a special shared
library.
W/.androidgeofir: JIT profile information will not be recorded:
profile file does not exits.
I/chatty: uid=10088(edmt.dev.androidgeofire) identical 10 lines
W/.androidgeofir: JIT profile information will not be recorded:
profile file does not exits.
D/FirebaseApp: com.google.firebase.auth.FirebaseAuth is not linked.
Skipping initialization.
D/FirebaseApp: com.google.firebase.iid.FirebaseInstanceId is not
linked. Skipping initialization.
D/FirebaseApp: com.google.firebase.crash.FirebaseCrash is not
linked. Skipping initialization.
D/FirebaseApp: com.google.android.gms.measurement.AppMeasurement is
not linked. Skipping initialization.
I/FirebaseInitProvider: FirebaseApp initialization successful
I/InstantRun: starting instant run server: is main process
W/GooglePlayServicesUtil: Google Play services out of date.
Requires 13400000 but found 13280022
I/chatty: uid=10088(edmt.dev.androidgeofire) identical 6 lines
W/GooglePlayServicesUtil: Google Play services out of date.
Requires 13400000 but found 13280022
D/AndroidRuntime: Shutting down VM
D/NetworkSecurityConfig: No Network Security Config specified, using
platform default
E/AndroidRuntime: FATAL EXCEPTION: main
Process: edmt.dev.androidgeofire, PID: 12319
java.lang.RuntimeException: Unable to start activity
ComponentInfo {edmt.dev.androidgeofire / edmt.dev.androidgeofire.MapsActivity}：java.lang.NullPointerException：尝试调用虚拟方法'com.google.android.gms.location.LocationRequest com.google.android.gms .location.LocationRequest.setInterval（long）'对空对象的引用 在android.app.ActivityThread.performLaunchActivity（ActivityThread.java:2913） 在android.app.ActivityThread.handleLaunchActivity（ActivityThread.java:3048） 在android.app.servertransaction.LaunchActivityItem.execute（LaunchActivityItem.java:78） 在android.app.servertransaction.TransactionExecutor.executeCallbacks（TransactionExecutor.java:108） 在android.app.servertransaction.TransactionExecutor.execute（TransactionExecutor.java:68） 在android.app.ActivityThread $ H.handleMessage（ActivityThread.java:1808） 在android.os.Handler.dispatchMessage（Handler.java:106） 在android.os.Looper.loop（Looper.java:193） 在android.app.ActivityThread.main（ActivityThread.java:6669） 在java.lang.reflect.Method.invoke（本机方法） 在com.android.internal.os.RuntimeInit $ MethodAndArgsCaller.run（RuntimeInit.java:493） 在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:858） 原因：java.lang.NullPointerException：尝试在空对象引用上调用虚拟方法'com.google.android.gms.location.LocationRequest com.google.android.gms.location.LocationRequest.setInterval（long）' 在edmt.dev.androidgeofire.MapsActivity.createLocationRequest（MapsActivity.java:191） 在edmt.dev.androidgeofire.MapsActivity.setUpLocation（MapsActivity.java:140） 在edmt.dev.androidgeofire.MapsActivity.onCreate（MapsActivity.java:102） 在android.app.Activity.performCreate（Activity.java:7136） 在android.app.Activity.performCreate（Activity.java:7127） 在android.app.Instrumentation.callActivityOnCreate（Instrumentation.java:1271） 在android.app.ActivityThread.performLaunchActivity（ActivityThread.java:2893） 在android.app.ActivityThread.handleLaunchActivity（ActivityThread.java:3048） 在android.app.servertransaction.LaunchActivityItem.execute（LaunchActivityItem.java:78） 在android.app.servertransaction.TransactionExecutor.executeCallbacks（TransactionExecutor.java:108） 在android.app.servertransaction.TransactionExecutor.execute（TransactionExecutor.java:68） 在android.app.ActivityThread $ H.handleMessage（ActivityThread.java:1808） 在android.os.Handler.dispatchMessage（Handler.java:106） 在android.os.Looper.loop（Looper.java:193） 在android.app.ActivityThread.main（ActivityThread.java:6669） 在java.lang.reflect.Method.invoke（本机方法） 在com.android.internal.os.RuntimeInit $ MethodAndArgsCaller.run（RuntimeInit.java:493） 在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:858） 与目标VM断开连接，地址：“ localhost：8663”，传输：“ socket”