react-native安卓端报错

Question

java.lang.RuntimeException: Unable to destroy activity {com.rntest/com.rntest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Object.equals(java.lang.Object)' on a null object reference

at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3838)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3856)
at android.app.ActivityThread.access$1500(ActivityThread.java:153)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1405)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5438)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Object.equals(java.lang.Object)' on a null object reference

at com.facebook.react.common.network.OkHttpCallUtil.cancelTag(OkHttpCallUtil.java:30)
at com.facebook.react.modules.network.NetworkingModule.onCatalystInstanceDestroy(NetworkingModule.java:141)
at com.facebook.react.bridge.NativeModuleRegistry.notifyCatalystInstanceDestroy(NativeModuleRegistry.java:98)
at com.facebook.react.bridge.CatalystInstanceImpl.destroy(CatalystInstanceImpl.java:218)
at com.facebook.react.bridge.ReactContext.destroy(ReactContext.java:193)
at com.facebook.react.ReactInstanceManagerImpl.destroy(ReactInstanceManagerImpl.java:510)
at com.facebook.react.ReactActivity.onDestroy(ReactActivity.java:177)
at android.app.Activity.performDestroy(Activity.java:6474)
at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1143)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3825)
... 9 more

Answer 1

出错的代码不发上来，大家怎么帮你看啊？