Keyboard not showing on input focus android ionic

I have used CrossWalk chromeview on Android. Keyboard showing on input focus works fine on ios but doesn't work on android. I have tried almost every options I could find. Since I am an android programmer, I edited java files and tried many possible solutions from stackoverflow.

I am using javascript to focus an input box.

I also tried solution pointed out here.

None of these works for me.

Has anyone solved this problem? Please help me its been a nightmare.

Looks like ionic-plugins-keyboard have not added open function. (Ionic seems to focus too little on Android)

However cordova plugin has already been updated.

Plugin: https://build.phonegap.com/plugins/944

Source code: https://github.com/driftyco/ionic-plugins-keyboard

Documentation: http://ionicframework.com/docs/api/page/keyboard/

You can refer this: http://forum.ionicframework.com/t/how-to-show-keyboard-on-input-focus-in-android/8088