package com.android.camera; import android.view.View; /** we can start accumulating common code between UI classes here * toward an eventual unification - WF */ public abstract class BaseUI { protected View mPreviewCover; public void showPreviewCover() { if (mPreviewCover != null && mPreviewCover.getVisibility() != View.VISIBLE) { mPreviewCover.setVisibility(View.VISIBLE); } } public void hidePreviewCover() { if (mPreviewCover != null && mPreviewCover.getVisibility() != View.GONE) { mPreviewCover.setVisibility(View.GONE); } } public void setPreviewCoverAlpha(float alpha) { if (mPreviewCover != null) { mPreviewCover.setAlpha(alpha); } } }