Top "Up-navigation" questions

What is the ID of the back arrow drawable in the ActionBar?

The following code causes a back arrow to appear in the ActionBar: getSupportActionBar().setDisplayShowHomeEnabled(true); getSupportActionBar().setDisplayHomeAsUpEnabled(true); I'm looking …

android android-actionbar android-drawable back up-navigation

android - refresh parent Activity when child Activity finishes

I have a parent Activity which starts a child activity. In the child activity, I do: toolbar = (Toolbar) findViewById(R.…

android android-activity parent-child up-navigation

How do I set the parent activity of an activity at runtime?

I have an arbitrary number of hierarchically nested views/activities. The action bar should show the Up navigation button to …

android android-activity android-actionbar android-navigation up-navigation