Android Open Source - itude-mobile-android-util Screen Util

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * (C) Copyright Itude Mobile B.V., The Netherlands
 * //w w  w  .j av  a2 s.co m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.itude.mobile.android.util;

import android.content.Context;

/**
 * Utility class for methods to handle math.
 */
public final class ScreenUtil
{
  /**
   * Convert dimension pixels to pixels
   * 
   * @param context {@link Context}
   * @param dimensionPixels float
   * @return pixels
   */
  public final static int convertDimensionPixelsToPixels(Context context, float dimensionPixels)
  {
    final float scale = context.getResources().getDisplayMetrics().density;

    return (int) (dimensionPixels * (scale) + 0.5f);
  }

  /**
   * Get height pixels based on the given percentage
   * 
   * @param context  {@link Context}
   * @param percentage float
   * @return pixel height
   */
  public final static int getHeightPixelsForPercentage(Context context, float percentage)
  {
    final float height = context.getResources().getDisplayMetrics().heightPixels;
    return (int) ((height / 100) * percentage);
  }

  /**
   * Get width pixels based on the given percentage
   * 
   * @param context  {@link Context}
   * @param percentage float
   * @return pixel width
   */
  public final static int getWidthPixelsForPercentage(Context context, float percentage)
  {
    final float width = context.getResources().getDisplayMetrics().widthPixels;

    return (int) ((width / 100) * percentage);
  }
}

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