Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.DrawableContainer;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.StateListDrawable;
import android.view.View;

public class Main {
    public static void configureColor(View view, int newColor) {
        Drawable drawable = view.getBackground();
        if (drawable instanceof GradientDrawable) {
            GradientDrawable gDrawable = (GradientDrawable) drawable;
            gDrawable.setColor(newColor);
        } else if (drawable instanceof StateListDrawable) {
            StateListDrawable listDrawable = (StateListDrawable) drawable;

            DrawableContainer.DrawableContainerState drawableContainerState = (DrawableContainer.DrawableContainerState) listDrawable
                    .getConstantState();

            int c = drawableContainerState.getChildCount();
            Drawable[] children = drawableContainerState.getChildren();

            for (int i = 0; i < c; ++i) {
                Drawable child = children[i];
                int[] states = child.getState();

                if (child instanceof GradientDrawable) {
                    GradientDrawable gChild = (GradientDrawable) child;

                    if (containsState(states, android.R.attr.state_pressed)) {
                        gChild.setColor(darkenColor(newColor));
                    } else {
                        gChild.setColor(newColor);
                    }
                } else if (child instanceof ColorDrawable) {
                }
            }
        }
    }

    static boolean containsState(int[] states, int desiredState) {
        for (int state : states) {
            if (state == desiredState) {
                return true;
            }
        }

        return false;
    }

    public static int darkenColor(int color) {
        return darkenColor(color, 0.8f);
    }

    public static int darkenColor(int color, float amount) {
        float[] hsv = new float[3];

        Color.colorToHSV(color, hsv);
        hsv[2] *= amount;

        return Color.HSVToColor(hsv);
    }
}