ButtonFlatIcon.java

package com.gc.materialdesign.views;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.gc.materialdesign.R;
import com.gc.materialdesign.utils.Utils;

/**
 * Created by akshaykoul on 11/5/14.
 */
public class ButtonFlatIcon extends Button{
    int sizeIcon = 24;


    ImageView icon; // Icon of float button
    Drawable drawableIcon;
    public ButtonFlatIcon(Context context, AttributeSet attrs) {
        super(context, attrs);
        setBackgroundResource(R.drawable.background_button_float);
        setDefaultProperties();
        icon = new ImageView(context);
        if(drawableIcon != null) {
            try {
                icon.setBackground(drawableIcon);
            } catch (NoSuchMethodError e) {
                icon.setBackgroundDrawable(drawableIcon);
            }
        }
        LayoutParams params = new LayoutParams(Utils.dpToPx(sizeIcon, getResources()),Utils.dpToPx(sizeIcon, getResources()));
        params.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
        icon.setLayoutParams(params);
        addView(icon);
    }

    protected void setDefaultProperties(){
        minHeight = 36;
        minWidth = 88;
        rippleSize = 3;
        // Min size
        setMinimumHeight(Utils.dpToPx(minHeight, getResources()));
        setMinimumWidth(Utils.dpToPx(minWidth, getResources()));
        setBackgroundResource(R.drawable.background_transparent);
    }

    protected void setAttributes(AttributeSet attrs){
        //Set background Color
        // Color by resource
        int bacgroundColor = attrs.getAttributeResourceValue(ANDROIDXML,"background",-1);
        if(bacgroundColor != -1){
            setBackgroundColor(getResources().getColor(bacgroundColor));
        }else{
            // Color by hexadecimal
            String background = attrs.getAttributeValue(ANDROIDXML,"background");
            if(background != null)
                setBackgroundColor(Color.parseColor(background));
        }
        // Icon of button
        int iconResource = attrs.getAttributeResourceValue(MATERIALDESIGNXML,"iconFloat",-1);
        if(iconResource != -1)
            drawableIcon = getResources().getDrawable(iconResource);
//        boolean animate = attrs.getAttributeBooleanValue(MATERIALDESIGNXML,"animate", false);
//        if(animate){
//            post(new Runnable() {
//
//                @Override
//                public void run() {
//                    float originalY = ViewHelper.getY(ButtonFlatIcon.this)-Utils.dpToPx(24, getResources());
//                    ViewHelper.setY(ButtonFlatIcon.this,ViewHelper.getY(ButtonFlatIcon.this)+getHeight()*3);
//                    ObjectAnimator animator = ObjectAnimator.ofFloat(ButtonFlatIcon.this, "y", originalY);
//                    animator.setInterpolator(new BounceInterpolator());
//                    animator.setDuration(1500);
//                    animator.start();
//                }
//            });
//        }

    }


    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (x != -1) {

            Paint paint = new Paint();
            paint.setAntiAlias(true);
            paint.setColor(makePressColor());
            canvas.drawCircle(x, y, radius, paint);
            if(radius > getHeight()/rippleSize)
                radius += rippleSpeed;
            if(radius >= getWidth()){
                x = -1;
                y = -1;
                radius = getHeight()/rippleSize;
                if(onClickListener != null)
                    onClickListener.onClick(this);
            }
        }
        invalidate();
    }

    /**
     * Make a dark color to ripple effect
     * @return
     */
    @Override
    protected int makePressColor(){
        return Color.parseColor("#88DDDDDD");
    }

//    public void setText(String text){
//        textButton.setText(text.toUpperCase());
//    }
//
//    // Set color of background
//    public void setBackgroundColor(int color){
//        textButton.setTextColor(color);
//    }

    @Override
    public TextView getTextView() {
        return null;
    }

    public ImageView getIcon() {
        return icon;
    }

    public void setIcon(ImageView icon) {
        this.icon = icon;
    }

    public Drawable getDrawableIcon() {
        return drawableIcon;
    }

    public void setDrawableIcon(Drawable drawableIcon) {
        this.drawableIcon = drawableIcon;
        try {
            icon.setBackground(drawableIcon);
        } catch (NoSuchMethodError e) {
            icon.setBackgroundDrawable(drawableIcon);
        }
    }
}