出现频率：偶现
sdk版本：weibosdkcore-2.5.1.jar
操作步骤：登陆过程back
崩溃日志：
java.lang.NullPointerException
at android.webkit.WebViewClassic$InvokeListBox$4.onCancel(WebViewClassic.java:9247)
at android.app.Dialog$ListenersHandler.handleMessage(Dialog.java:1235)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5095)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:898)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:665)
at dalvik.system.NativeStart.main(Native Method)
出现频率：偶现 sdk版本：weibosdkcore-2.5.1.jar 操作步骤：登陆过程back 崩溃日志： java.lang.NullPointerException at android.webkit.WebViewClassic$InvokeListBox$4.onCancel(WebViewClassic.java:9247) at android.app.Dialog$ListenersHandler.handleMessage(Dialog.java:1235) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5095) 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:898) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:665) at dalvik.system.NativeStart.main(Native Method)
崩溃之前的log：（url中敏感字符值已用*隐藏） D/WeiboDialog(12702): WeiboDialog.java(331) onPageFinished: onPageFinished URL: http://m.weibo.cn/reg/index?jp=1&wm=4406&appsrc=41tDse&backURL=https%3A%2F%2Fopen.weibo.cn%2F2%2Foauth2%2Fauthorize%3Fclient_id%3D24******78%26response_type%3Dcode%26display%3Dmobile%26redirect_uri%3Dhttp%253A%252F%252Fs****i.com%26from%3D%26with_cookie%3D%26packagename%3Dcom.t******.android%26key_hash%3D9aefd*********975b6