How to Turn "Ok Google" from any screen and launcher
To enjoy Google Voice Actions Have not need to touch the microphone icon in the search widget or be in the home screen Google Now Launcher to say "Ok Google" , Also we can enjoy active word from any screen .
By default detection "Ok Google" is activated for the Implementation of Google and the Google Now Launcher application launcher, but Their settings Allows you to Enable this detection to the whole system. In This way we can make a variety of actions without writing or touch anything, just by saying "Ok Google" from any application launcher can do a Google search or voice action to do something for us.
From any screen
Enable detection of "Ok Google" on any screen is very simple. We Have to open the side panel of the Google application and go to Settings> Voice and detect "Ok Google" . Not only jump there and activate the option "From any screen "
Personal results
On the "From any screen" can trigger Past the bottom option to take action When the phone is locked. If you don 't have the device protected by PIN or pattern, or less than Android 5.0, This option is called "custom results , and anyone can use voice commands to make calls, send messages, or access our direction even if the phone is locked it.
Voice release
If You have Android 5.0 or higher and is protected by PIN or pattern is option will be called "Unlocking voice , and unlock your device if you Recognize our voice after making the voice command. If someone tries to make a voice command it will ask unlock screen to action. esta option by activating Google warns That it is possible That a person who has a voice like ours can unlock our device.