package com.ludomade.test;

import android.animation.ArgbEvaluator;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;

/**
 * Click a button, change the background color of a view with animation
 * Created by John on 2/3/2015.
 */
public class SingleButtonTestActivity extends Activity {

    private static final int STARTING_COLOR = Color.RED;
    ImageView colorView;
    ObjectAnimator colorAnimator;
    ArgbEvaluator colorEvaluator;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_single_button);

        colorView = (ImageView) findViewById(R.id.color_icon);
        colorView.getDrawable().setColorFilter(STARTING_COLOR, PorterDuff.Mode.MULTIPLY);
        View colorRedButton = findViewById(R.id.button_red);
        View colorBlueButton = findViewById(R.id.button_blue);
        colorEvaluator = new ArgbEvaluator();

        //Doesn't matter what the last two colors are, since we are going to overwrite them
        //when the button is pressed
        colorAnimator = ObjectAnimator.ofObject(colorView, "colorFilter", colorEvaluator,
                0, 0);
        colorRedButton.setOnClickListener(mOnButtonClickListener);
        colorBlueButton.setOnClickListener(mOnButtonClickListener);
    }

    private final View.OnClickListener mOnButtonClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //Get the current color we have animated to
            //if it exists
            int currentColor = STARTING_COLOR;
            if (colorAnimator.getAnimatedValue() != null) {
                currentColor = (Integer) colorAnimator.getAnimatedValue();
            }
            switch (v.getId()) {
                case R.id.button_red:
                    colorAnimator.setObjectValues(currentColor, Color.RED);
                    break;
                case R.id.button_blue:
                    colorAnimator.setObjectValues(currentColor, Color.BLUE);
                    break;
            }
            colorAnimator.setDuration(2000);
            colorAnimator.start();
        }
    };
}