{"action":"created","issue":{"url":"https://api.github.com/repos/driftyco/ionic/issues/3619","labels_url":"https://api.github.com/repos/driftyco/ionic/issues/3619/labels{/name}","comments_url":"https://api.github.com/repos/driftyco/ionic/issues/3619/comments","events_url":"https://api.github.com/repos/driftyco/ionic/issues/3619/events","html_url":"https://github.com/driftyco/ionic/issues/3619","id":71047794,"number":3619,"title":"bug: On android >=4.4 it is very laggy","user":{"login":"piernik","id":420691,"avatar_url":"https://avatars.githubusercontent.com/u/420691?v=3","gravatar_id":"","url":"https://api.github.com/users/piernik","html_url":"https://github.com/piernik","followers_url":"https://api.github.com/users/piernik/followers","following_url":"https://api.github.com/users/piernik/following{/other_user}","gists_url":"https://api.github.com/users/piernik/gists{/gist_id}","starred_url":"https://api.github.com/users/piernik/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/piernik/subscriptions","organizations_url":"https://api.github.com/users/piernik/orgs","repos_url":"https://api.github.com/users/piernik/repos","events_url":"https://api.github.com/users/piernik/events{/privacy}","received_events_url":"https://api.github.com/users/piernik/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-04-26T10:28:33Z","updated_at":"2015-04-27T18:04:42Z","closed_at":null,"body":"**Type**: <span ionic-type>bug</span>\n\n**Platform**: <span ionic-platform>android</span> <span ionic-platform-version>4.4</span>  <span ionic-webview>webview</span>\n\n<span ionic-description>I had signals that on android >=4.4 app is very laggy.\nI have only device with android 4.2 so I have to test on genymotion with android 4.4 and 5.0 and I can confirm - it is very, vary laggy.\nFor tests I used Your tabs starter example with added collection repeat with 1000 items. (here is example http://forum.ionicframework.com/t/scrolling-works-well-on-4-2-and-has-lags-on-4-4/21682)\nYou can test it on genymotion Yourself.\nWhen I add crosswalk to that test app the performance is much, much better, but shouldn't it work well on android 4.4 without crosswalk?\n\nIn production I cannot use crosswalk because I want to use google maps phonegap plugin which requires crosswalk 14 and You provide (in ionic-cli) only crosswalk 13.\n\nWhat's wrong with ionic perfomance on android 4.4?</span>\n\n<span is-issue-template></span>\n"},"comment":{"url":"https://api.github.com/repos/driftyco/ionic/issues/comments/96761983","html_url":"https://github.com/driftyco/ionic/issues/3619#issuecomment-96761983","issue_url":"https://api.github.com/repos/driftyco/ionic/issues/3619","id":96761983,"user":{"login":"perrygovier","id":571056,"avatar_url":"https://avatars.githubusercontent.com/u/571056?v=3","gravatar_id":"","url":"https://api.github.com/users/perrygovier","html_url":"https://github.com/perrygovier","followers_url":"https://api.github.com/users/perrygovier/followers","following_url":"https://api.github.com/users/perrygovier/following{/other_user}","gists_url":"https://api.github.com/users/perrygovier/gists{/gist_id}","starred_url":"https://api.github.com/users/perrygovier/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/perrygovier/subscriptions","organizations_url":"https://api.github.com/users/perrygovier/orgs","repos_url":"https://api.github.com/users/perrygovier/repos","events_url":"https://api.github.com/users/perrygovier/events{/privacy}","received_events_url":"https://api.github.com/users/perrygovier/received_events","type":"User","site_admin":false},"created_at":"2015-04-27T18:04:42Z","updated_at":"2015-04-27T18:04:42Z","body":"The emulators aren't the best test. I've checked on some of our 4.4 and 5.0 test devices and their performance seems good to me, noticeably better than 4.2 devices without crosswalk. Can you share any more specific information about what features are particularly slow? Is it just in the current version or has it always been slow? Those who are reporting slowness, can you share what devices they're using? "}}