How to remove v7 toolbar back button [closed]

I need to delete this v7 toolbar from my activity:

Please Help me !

Mohammad Fatemi

If you are using v7 Toolbar you can remove this button with this code :

if (getSupportActionBar() != null) {
    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(false);
}

you can read android here and here for more information. also this question may help

来源：https://stackoverflow.com/questions/34615806/how-to-remove-v7-toolbar-back-button

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