How can enable back button in Android Action Bar?

How can enable back button in Android Action Bar?

Add Back Button in Action Bar

  1. Create action bar variable and call function getSupportActionBar() in the java/kotlin file.
  2. Show back button using actionBar. setDisplayHomeAsUpEnabled(true) this will enable the back button.
  3. Custom the back event at onOptionsItemSelected.

How do I get the power button to go to sleep on my computer?

To make your PC sleep:

  1. Open power options: For Windows 10, select Start , then select Settings > System > Power & sleep > Additional power settings.
  2. Do one of the following:
  3. When you’re ready to make your PC sleep, just press the power button on your desktop, tablet, or laptop, or close your laptop’s lid.

How do you end a call with the power button?

Power button ends call

  1. Open your device’s Settings app .
  2. Tap Accessibility.
  3. Turn on Power button ends call.

How can I set a timer to end a call?

If you’re on Android:

  1. Select your sounds.
  2. Tap the Mixer bar at the bottom of the screen (it shows which sounds are playing)
  3. Tap Add Timer button.
  4. Toggle Close app when timer ends at the bottom (this setting will keep for future timers)
  5. Select any value or Advanced.
  6. Confirm.

Why does the power button hang up calls on my iPhone?

The simple answer is — you are turning OFF your iPhone. When you turn the power off, you are stating that you want any activity on your iPhone to terminate immediately. Technically, turning the power off does not “hang-up” your call, but “disconnects” one end of the call.

Where is the end call button?

To access the Accessibility features on your Android device open the Settings app . In the Settings app, select Accessibility from the list. Now scroll down to the Interaction controls and switch on the Power button ends call control. You can now end calls by pressing the power button on your device.

How do I make my iPhone not end with the power button?

You can’t disable it. There is no way to disable the power button from ending a call. That is how the phone works.

How do you hang up with a power button?

The power button can be used to hang up on calls but instead of it being activated automatically, you have to turn it on manually in settings. To find it, go into Settings > Accessibility and scroll down until you will see the option.

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