调用了，截图的时候注释掉了
Android studio报错：2024-08-08 09:41:58.160 10822-10822/com.example.pocket_park E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.pocket_park, PID: 10822
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.pocket_park/com.example.pocket_park.function.lead.LeadActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.supermap.data.Datasets com.supermap.data.Datasource.getDatasets()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4311)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4459)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:139)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:96)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2855)
at android.os.Handler.dispatchMessage(Handler.java:108)
at android.os.Looper.loopOnce(Looper.java:226)
at android.os.Looper.loop(Looper.java:328)
at android.app.ActivityThread.main(ActivityThread.java:9236)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:594)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'com.supermap.data.Datasets com.supermap.data.Datasource.getDatasets()' on a null object reference
at com.example.pocket_park.function.lead.LeadActivity.initNavigation2(LeadActivity.java:531)
at com.example.pocket_park.function.lead.LeadActivity.onCreate(LeadActivity.java:358)
at android.app.Activity.performCreate(Activity.java:8964)
at android.app.Activity.performCreate(Activity.java:8921)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1456)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4287)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4459)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:139)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:96)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2855)
at android.os.Handler.dispatchMessage(Handler.java:108)
at android.os.Looper.loopOnce(Looper.java:226)
at android.os.Looper.loop(Looper.java:328)
at android.app.ActivityThread.main(ActivityThread.java:9236)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:594)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
