問題描述

threadid=1: thread exiting with uncaught exception (group=0xa617e908)

uncaughtException java.lang.NullPointerException

java.lang.NullPointerException

at android.webkit.WebViewClassic.loadUrlImpl(WebViewClassic.java:2525)at android.webkit.WebViewClassic.loadUrlImpl(WebViewClassic.java:2541)at android.webkit.WebViewClassic.loadUrl(WebViewClassic.java:2534)at android.webkit.WebView.loadUrl(WebView.java:784)at cn.nin.common.MyAndroid$MyAsyncTask.onPostExecute(MyAndroid.java:1461)at cn.nin.common.MyAndroid$MyAsyncTask.onPostExecute(MyAndroid.java:1362)at android.os.AsyncTask.finish(AsyncTask.java:631)at android.os.AsyncTask.access$600(AsyncTask.java:177)at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:644)at android.os.Handler.dispatchMessage(Handler.java:99)at android.os.Looper.loop(Looper.java:137)at android.app.ActivityThread.main(ActivityThread.java:5041)at java.lang.reflect.Method.invokeNative(Native Method)at java.lang.reflect.Method.invoke(Method.java:511)at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)at dalvik.system.NativeStart.main(Native Method)

問題解答

問題解決了，react native webview 在摧毀后，又調用了webview對象，所以為空了，比較隱蔽所以沒看到