m0_46516345 2022-04-14 15:45 采纳率: 0%
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Android中调用百度地图失败

调用了百度地图，按着指导来的，跑不出来，请各位亲们帮帮忙看一下咋回事呢
以下是logcat内容：
FATAL EXCEPTION: main
Process: com.example.car10, PID: 20142
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.car10/com.example.car10.activity_main}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.baidu.location.LocationClient.registerLocationListener(com.baidu.location.BDAbstractLocationListener)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3449)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.baidu.location.LocationClient.registerLocationListener(com.baidu.location.BDAbstractLocationListener)' on a null object reference
at com.example.car10.activity_main.onCreate(activity_main.java:105)
at android.app.Activity.performCreate(Activity.java:8000)
at android.app.Activity.performCreate(Activity.java:7984)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601) 
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85) 
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066) 
at android.os.Handler.dispatchMessage(Handler.java:106) 
at android.os.Looper.loop(Looper.java:223) 
at android.app.ActivityThread.main(ActivityThread.java:7656) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) 
2022-04-14 15:33:42.489 20142-20142/com.example.car10 I/Process: Sending signal. PID: 20142 SIG: 9

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5条回答 默认 最新

  • weixin_42120514 2022-04-14 16:24
    关注

    activity_main.java:105
    LocationClient.registerLocationListener的LocationClient对象为空

    评论

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