This gratuity has been swim around the connection for a while , but not everyone has caught on — if you ’re using a Google app such as Chrome or Maps while holding your phone or tablet with one manus , you’re able to double - rap then move your fingerbreadth up or down to zoom along out or in .
Keep your finger or thumb down on the second rap to set off the feature , which makes it much easy to get your bearing on a single-valued function if you do n’t have both hands free and ca n’t expend the regular two - fingered tinge - to - zoom functionality . With the rest of your handwriting behind your phone / tablet of pick , your thumb can now zoom as well as select .
It works in Google Maps , Gmail , Photos and Chrome ( and possibly several others ) on Android , and in Google Maps on iOS . Double - tapping in Chrome and Gmail for iOS selects text , so you ca n’t use the shortcut for zooming . If you sleep with of any other apps where the trick works , leave alone us a note below .

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