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https://issues.apache.org/jira/browse/CB-7109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14265009#comment-14265009
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Ian Clelland commented on CB-7109:
----------------------------------
[~agrieve], [~bowserj] -- take a look at the PR; if it looks okay, I can merge
that in.
> exec() call to plugin blocked the main thread
> ---------------------------------------------
>
> Key: CB-7109
> URL: https://issues.apache.org/jira/browse/CB-7109
> Project: Apache Cordova
> Issue Type: Bug
> Components: Android, Plugin File
> Affects Versions: 3.5.0
> Reporter: Rajesh Kumar
> Priority: Minor
>
> In the file plugin of v3.5.0, I constantly see a warning in logcat in eclipse
> when I try to write to a file. The warning is:
> THREAD WARNING: exec() call to File.write blocked the main thread for 117ms.
> Plugin should use CordovaInterface.getThreadPool().
> Similar issue is when I try to exit app. I guess this issue is present for
> all the plugins. I checked the part of File plugin code:
> final String fname=args.getString(0);
> final String data=args.getString(1);
> final int offset=args.getInt(2);
> final Boolean isBinary=args.getBoolean(3);
> threadhelper( new FileOp( ){
> public void run() throws FileNotFoundException, IOException,
> NoModificationAllowedException {
> long fileSize = write(fname, data, offset, isBinary);
> callbackContext.sendPluginResult(new
> PluginResult(PluginResult.Status.OK, fileSize));
> }
> }, callbackContext);
> And, threadhelper uses:
> cordova.getThreadPool().execute(new Runnable() {
> public void run() {}
> });
> This means, the plugin is using a thread to do some async task, but logcat
> throws the block warning. We need to fix this.
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