layout - Code completion not working in Android Studio -

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i have updated android studio , code completion (which working earlier in previous version) not working. when shortkey ctrl+space pressed shows:

https://goo.gl/tkpy50 (image link)

i have tried invalidating cache , restarting android studio, mentioned in post.

can point missing here?

thanks in advance.

  1. check if power save mode on file menu enabled accidentally.

  2. also check in file > settings > editor > inspections:

    • android
    • android lint

  3. in file > settings > editor > general > code completion:

    • autopopup code completion should checked

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