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Android back button; save or cancel?

Android back button; save or cancel?
  1. Why did Android Remove back button?
  2. Can you disable the back button in Android?

Why did Android Remove back button?

Google acknowledged that gestures don't work for all users. It added that gestures are harder to learn and takes some time to adjust. It also admitted that gestures can interfere with the way people navigate the app. Google also revealed that Android users love the Back button and is used 50% more than the Home button.

Can you disable the back button in Android?

In Android we can change the default behaviour of the any activity like keypress, back button press, swap left swap right, to do Disable Back Press we need to override default functionality of onBackPressed() or onKeyDown() method in Activity class.

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