import at.markushi.ui.RevealColorView; //导入依赖的package包/类
/**
 * Sleep for few seconds, and then show reveal animation.
 * <p />
 * Its timer is set in such a way that reveal is shown only when circular animating view
 * reaches bottom of screen.
 */
public void setupRevealEffect(){

    /** Does reveal animation after some start offset duration **/
    final Handler handler = new Handler();
    Timer t = new Timer();
    t.schedule(new TimerTask() {
        public void run() {
            handler.post(new Runnable() {
                public void run() {
                    reveal((RevealColorView) findViewById(R.id.reveal), findViewById(R.id.dummy_view_for_revealing_animation));
                }
            });
        }
    }, REVEAL_ANIMATION_START_OFFSET);
}
 

import at.markushi.ui.RevealColorView; //导入依赖的package包/类
public MaterialTab(Context ctx,boolean hasIcon) {
       this.hasIcon = hasIcon;
       density = ctx.getResources().getDisplayMetrics().density;
	res = ctx.getResources();
	
	if(!hasIcon) {
		// if there is no icon
		completeView = LayoutInflater.from(ctx).inflate(R.layout.material_tab, null);
		
		text = (TextView) completeView.findViewById(R.id.text);
	}
	else {
		// with icon
		completeView = LayoutInflater.from(ctx).inflate(R.layout.material_tab_icon, null);
		
		icon = (ImageView) completeView.findViewById(R.id.icon);
	}
	
	background = (RevealColorView) completeView.findViewById(R.id.reveal);
	selector = (ImageView) completeView.findViewById(R.id.selector);
	
	// set the listener
	completeView.setOnTouchListener(this);

	active = false;
	textColor = Color.WHITE; // default white text 
	iconColor = Color.WHITE; // and icon
}
 

import at.markushi.ui.RevealColorView; //导入依赖的package包/类
/**
 * Given the view, it calculates the center of reveal animation,
 * and starts reveal animation.
 *
 * @param v This is the view, which helps find the center of
 *          reveal animation view, located at bottom of screen.
 */
public void reveal(RevealColorView revealColorView, View v){
    final Point p = getLocationInView(revealColorView, v);
    revealColorView.reveal(p.x, p.y, getResources().getColor(R.color.colorPrimaryDark), v.getHeight() / 2, 500, null);
}
 

import at.markushi.ui.RevealColorView; //导入依赖的package包/类
/**
 * the interactive panel for the touch area.
 *
 * @return a RevealColorView from the on library: com.github.markushi:android-ui:1.2
 */
public RevealColorView getBg() {
    return background;
}