material-sheet-fab/src/main/java/com/gordonwong/materialsheetfab/animations/MaterialSheetAnimation.java
public void morphFromFab(View fab, long showSheetDuration, long showSheetColorDuration,
			AnimationListener listener) {
		sheet.setVisibility(View.VISIBLE);
		revealSheetWithFab(fab, getFabRevealRadius(fab), getSheetRevealRadius(), showSheetDuration,
				fabColor, sheetColor, showSheetColorDuration, listener);
	}
public void morphFromFab(View fab, long showSheetDuration, long showSheetColorDuration,
			AnimationListener listener) {
		sheet.setVisibility(View.VISIBLE);
		revealSheetWithFab(fab, getFabRevealRadius(fab), getSheetRevealRadius(), showSheetDuration,
				fabColor, sheetColor, showSheetColorDuration, listener);
	}
Shows the sheet by morphing the FAB into the sheet.

@param fab Floating action button
@param showSheetDuration Duration of the sheet animation in milliseconds. Use 0 for no
animation.
@param showSheetColorDuration Duration of the color animation in milliseconds. Use 0 for no
animation.
@param listener Listener for animation events.