package androidx.fragment.app; import android.content.Context; import android.os.Bundle; import android.view.View; import androidx.annotation.IdRes; import androidx.annotation.NonNull; import androidx.annotation.Nullable; public abstract class FragmentContainer { @NonNull @Deprecated public Fragment instantiate(@NonNull Context context, @NonNull String str, @Nullable Bundle bundle) { return Fragment.instantiate(context, str, bundle); } @Nullable public abstract View onFindViewById(@IdRes int i); public abstract boolean onHasView(); }