toolbar change settings icon android studio

In 2013, Google announced a support library that provides much better compatibility for older versions and support for tabbed interfaces. Important to note is that prior to 3.0, there was no ActionBar. Consistent navigation (including navigation drawer).An application or activity-specific title.An 'upward' navigation to logical parent.If you can then the reset has resolved the problem.The ActionBar, now known as the App Bar, is a consistent navigation element that is standard throughout modern Android applications. Once it has been restored, check if you can connect to a PC via USB. If it works, restore the phone with the backup that you made earlier, using the phone's restore feature. Once the phone has been reset, try connecting to a PC via USB. Then perform a hard reset using the phone's factory restore feature. Perform a backup of the phone, using the phone's backup feature first, before you do a hard reset. It will restore the phone to its factory default condition, (or last system updated condition). If it still won't connect to a PC in safe mode, try a hard reset.īe aware that a hard reset will erase all your data and downloaded apps.

To get out of safe mode, simply turn off the phone in the normal manner and restart it. If it does the last app that you uninstalled is the culprit. You need to uninstall each downloaded app one by one and test the phone between each uninstall to see if it now works OK. If you can then a downloaded app is the cause of the problem. Once in safe mode see if you can now connect to a PC. There should be an option to start the phone in 'safe mode' Tap that and allow the phone to restart. When the shutdown menu options appear press and hold the Power Off option. Not quite sure with a Blu phone but with most Android phones to get into safe mode, turn the phone off by pressing the Power button.

Try starting the phone in safe mode to see if it will connect OK to a PC. Hi it still won't connect to a PC try the following.

Toolbar change settings icon android studio