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Posted to dev@weex.apache.org by "codefurture (JIRA)" <ji...@apache.org> on 2018/07/12 09:01:00 UTC
[jira] [Closed] (WEEX-474) Toast ,crash!
[ https://issues.apache.org/jira/browse/WEEX-474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
codefurture closed WEEX-474.
----------------------------
Resolution: Fixed
has been fixed
> Toast ,crash!
> -------------
>
> Key: WEEX-474
> URL: https://issues.apache.org/jira/browse/WEEX-474
> Project: Weex
> Issue Type: Bug
> Components: Android
> Affects Versions: 0.16, 0.18
> Reporter: 武晨
> Assignee: codefurture
> Priority: Blocker
> Fix For: 0.18
>
>
> when the app's WXInstance destroy, but Weex page call toast(),sometimes app crash, because null point exception *context is null !!!*, inside toast().
>
> code class *WXModalUIModule*:
> @JSMethod(uiThread = true)
> public void toast(String param) {
> String message = "";
> int duration = Toast.LENGTH_SHORT;
> if (!TextUtils.isEmpty(param)) {
> try
> { param = URLDecoder.decode(param, "utf-8"); JSONObject jsObj = JSON.parseObject(param); message = jsObj.getString(MESSAGE); duration = jsObj.getInteger(DURATION); }
> catch (Exception e)
> { WXLogUtils.e("[WXModalUIModule] alert param parse error ", e); }
> }
> if (TextUtils.isEmpty(message))
> { WXLogUtils.e("[WXModalUIModule] toast param parse is null "); return; }
> if (duration > 3)
> { duration = Toast.LENGTH_LONG; }
> else
> { duration = Toast.LENGTH_SHORT; }
> if (toast == null) {
> {color:#ff0000}*//crash here!!!! sometime, mWXSDKInstance.getContext() is null !!!!*{color}
> t*oast = Toast.makeText(mWXSDKInstance.getContext(), message, duration);*
> } else
> { toast.setDuration(duration); toast.setText(message); }
> toast.setGravity(Gravity.CENTER, 0, 0);
> toast.show();
> }
>
> ps:when weex page closed, and wxSDKInstance destroy,but weex page still working on background like asynchronous request(network),on this time.when the request is back, and call toast(),now context is null,bug show!
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