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How do I hide the action bar in kotlin programmatically?
If you want to hide action bar from all activities of the project.. then change the theme of your application in AndroidManifest. xml . and use the style at AndroidManifest.
Where is the action bar on my Android phone?
In Android applications, ActionBar is the element present at the top of the activity screen. It is a salient feature of a mobile application that has a consistent presence over all its activities. It provides a visual structure to the app and contains some of the frequently used elements for the users.
How can I customize my Android Action Bar?
To add a custom layout to the ActionBar we’ve called the following two methods on the getSupportActionBar() :
- getSupportActionBar(). setDisplayOptions(ActionBar. DISPLAY_SHOW_CUSTOM);
- getSupportActionBar(). setDisplayShowCustomEnabled(true);
Where is the action bar on an Android phone?
Android ActionBar is a menu bar that runs across the top of the activity screen in android. Android ActionBar can contain menu items which become visible when the user clicks the “menu” button.
What does showasaction mean in android action bar?
android:showAsAction: This attribute indicates how the given item should be portrayed in the action bar. We can choose from any of the flags mentioned below: always to keep it in the ActionBar at all times. ifRoom to keep it only if space is available.
Get a MenuItempointing to such item, call setVisibleon it to adjust its visibility and then call invalidateOptionsMenu()on your activity so the ActionBar menu is adjusted accordingly. Update:A MenuItemis not a regular view that’s part of your layout.
Your code returns nullfor itemand that’s causing the crash. What you need instead is to do: MenuItem item = menu.findItem(R.id.addAction);