アニメーション実装テスト

app/src/main/java/one/nem/lacerta/MainActivity.java

@@ -32,6 +32,15 @@ public class MainActivity extends AppCompatActivity {
         NavHostFragment navHostFragment = (NavHostFragment) supportFragmentManager.findFragmentById(R.id.nav_host_fragment);
 
         // Animation
+        if (navHostFragment != null) {
+            MaterialSharedAxis exitTransition = new MaterialSharedAxis(MaterialSharedAxis.Z, true);
+            exitTransition.setDuration(500);
+            navHostFragment.setExitTransition(exitTransition);
+
+            MaterialSharedAxis reenterTransition = new MaterialSharedAxis(MaterialSharedAxis.Z, false);
+            reenterTransition.setDuration(500);
+            navHostFragment.setReenterTransition(reenterTransition);
+        }
 
         BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_nav);