private void transformView(float sheetTranslation) { if (viewTransformer != null) { viewTransformer.transformView( sheetTranslation, getMaxSheetTranslation(), getPeekSheetTranslation(), this, getContentView()); } else if (defaultViewTransformer != null) { defaultViewTransformer.transformView( sheetTranslation, getMaxSheetTranslation(), getPeekSheetTranslation(), this, getContentView()); } }