android-jetpack – Page 9

Handling back button in Android Navigation Component

November 29, 2022 by Tarik

Newest Update – April 25th, 2019 New release androidx.activity ver. 1.0.0-alpha07 brings some changes More explanations in android official guide: Provide custom back navigation Example: public class MyFragment extends Fragment { @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); // This callback will only be called when MyFragment is at least Started. OnBackPressedCallback callback = … Read more

Android P visibilityawareimagebutton.setVisibility can only be called from the same library group

November 20, 2022 by Tarik

Using Method 1 demoFab.show(); // in place of visible demoFab.hide(); // in place of Invisible suppress the warning/error for me. and Method 2 @SuppressLint(“RestrictedApi”) // also suppressed the warning private void setUp() { …. } update: Method 3: demoFab.setVisibility(View.GONE); demoFab.setVisibility(View.INVISIBLE); demoFab.setVisibility(View.VISIBLE); Method 4: demoFab.visibility = View.GONE demoFab.visibility = View.INVISIBLE demoFab.visibility = View.VISIBLE

Android Navigation Architecture Component – Get current visible fragment

November 19, 2022 by Tarik

I managed to discover a way for now and it is as follows: NavHostFragment navHostFragment = supportFragmentManager.findFragmentById(R.id.nav_host); navHostFragment.getChildFragmentManager().getFragments().get(0); In case of course you know it is the first fragment. I am still investigating a way without this. I agree it is not the best way but that should be something for now.

What is AndroidX?

September 30, 2022 by Tarik

AndroidX – Android Extension Library From AndroidX documentation We are rolling out a new package structure to make it clearer which packages are bundled with the Android operating system, and which are packaged with your app’s APK. Going forward, the android.* package hierarchy will be reserved for Android packages that ship with the operating system. … Read more