package org.hunter.a361camera.util; import android.app.Fragment; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.support.annotation.NonNull; import static com.google.common.base.Preconditions.checkNotNull; /** * This provides methods to help Activities load their UI. */ public class ActivityUtils { /** * The {@code fragment} is added to the container view with id {@code frameId}. The operation is * performed by the {@code fragmentManager}. */ public static void addFragmentToActivity(@NonNull FragmentManager fragmentManager, @NonNull Fragment fragment, int frameId) { checkNotNull(fragmentManager); checkNotNull(fragment); FragmentTransaction transaction = fragmentManager.beginTransaction(); transaction.add(frameId, fragment); transaction.commit(); } }