react native webview java.lang.NullPointerException

Question

Many times to open the WebView, resulting in a number of WebView, it is estimated that the memory leak, I would like to ask a way to solve it?

Shutting down VM

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)

finally，i found the answer。the webview is destory and i still invote the method。 — kmkim, Mar 24 '17 at 01:53

score 1 · Answer 1 · answered Mar 23 '17 at 03:53

1

You didn't give us enough information. NullPointerException can be thrown for many reasons.That error means that an application attempts to use an object reference that has the null value.

answered Mar 23 '17 at 03:53

skyCode

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1
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sorry，the question is：Many times to open the WebView, resulting in a number of WebView, it is estimated that the memory leak, I would like to ask a way to solve it? – kmkim Mar 23 '17 at 04:23
I can't tell you what is wrong without looking at the code, but this maybe can help. http://stackoverflow.com/questions/3130654/memory-leak-in-webview – skyCode Mar 23 '17 at 04:35

react native webview java.lang.NullPointerException

1 Answers1