public void init(ArrayList<BaseFragment> stack) { fragmentsStack = stack; containerViewBack = new LinearLayoutContainer(parentActivity); addView(containerViewBack); FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) containerViewBack.getLayoutParams(); layoutParams.width = LayoutParams.MATCH_PARENT; layoutParams.height = LayoutParams.MATCH_PARENT; layoutParams.gravity = Gravity.TOP | Gravity.LEFT; containerViewBack.setLayoutParams(layoutParams); containerView = new LinearLayoutContainer(parentActivity); addView(containerView); layoutParams = (FrameLayout.LayoutParams) containerView.getLayoutParams(); layoutParams.width = LayoutParams.MATCH_PARENT; layoutParams.height = LayoutParams.MATCH_PARENT; layoutParams.gravity = Gravity.TOP | Gravity.LEFT; containerView.setLayoutParams(layoutParams); for (BaseFragment fragment : fragmentsStack) { fragment.setParentLayout(this); } }