Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Firetweet - Twitter client for Android
 *
 *  Copyright (C) 2012-2015 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;

public class Main {
    public static Bitmap getColorPreviewBitmap(final Context context, final int color, final boolean border) {
        if (context == null)
            return null;
        final float density = context.getResources().getDisplayMetrics().density;
        final int width = (int) (32 * density), height = (int) (32 * density);

        final Bitmap bm = Bitmap.createBitmap(width, height, Config.ARGB_8888);
        final Canvas canvas = new Canvas(bm);

        final int rectrangleSize = (int) (density * 5);
        final int numRectanglesHorizontal = (int) Math.ceil(width / rectrangleSize);
        final int numRectanglesVertical = (int) Math.ceil(height / rectrangleSize);
        final Rect r = new Rect();
        boolean verticalStartWhite = true;
        for (int i = 0; i <= numRectanglesVertical; i++) {

            boolean isWhite = verticalStartWhite;
            for (int j = 0; j <= numRectanglesHorizontal; j++) {

                r.top = i * rectrangleSize;
                r.left = j * rectrangleSize;
                r.bottom = r.top + rectrangleSize;
                r.right = r.left + rectrangleSize;
                final Paint paint = new Paint();
                paint.setColor(isWhite ? Color.WHITE : Color.GRAY);

                canvas.drawRect(r, paint);

                isWhite = !isWhite;
            }

            verticalStartWhite = !verticalStartWhite;

        }
        canvas.drawColor(color);
        if (border) {
            final Paint paint = new Paint();
            paint.setColor(Color.WHITE);
            paint.setStrokeWidth(1f * density);
            final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0,
                    height, width, height };
            canvas.drawLines(points, paint);
        }
        return bm;
    }
}