The FragmentPagerAdapter keeps additional fragments, besides the one shown, in resumed state. The solution is to implement a custom OnPageChangeListener and create a new method for when the fragment is shown. 1) Create LifecycleManager Interface The interface will have two methods and each ViewPager’s Fragment will implement it. These methods Are as follows: public interface … Read more
ActionBar is deprecated ever since Toolbar was introduced. Toolbar can be seen as a ‘superset’ of any action bar. So the ‘old’ ActionBar is now an example of a Toolbar. If you want similar functionality, but without deprecation warnings do the following: Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); if (toolbar != null) { toolbar.setTitle(R.string.app_name); setSupportActionBar(toolbar); } … Read more
As Chris wrote, new deprecated version of ActionBarActivity (the one extending AppCompatActivity class) is a safe to use backward compatibility class. Its deprecation is just a hint for you asking to use new AppCompatActivity directly instead. AppCompatActivity is a new, more generic implementation which uses AppCompatDelegate class internally. If you start a new development, then … Read more
I thought Activity was deprecated No. So for API Level 22 (with a minimum support for API Level 15 or 16), what exactly should I use both to host the components, and for the components themselves? Are there uses for all of these, or should I be using one or two almost exclusively? Activity is … Read more