Add instance code of return arrow to actionbar and toolbar in Android

1. Add return arrow to actionbar

Here, the actionbar import package: import Android. Support. V7. App. Actionbar;

2. Add a return arrow to the toolbar

The code is as follows:

summary

The above is the example code of adding return arrows to the actionbar and toolbar in Android introduced by Xiaobian. I hope it will be helpful to you. If you have any questions, please leave me a message and Xiaobian will reply to you in time. Thank you very much for your support for the programming tips website!