Android Open Source - alogger Display Utils

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.jug6ernaut.android.utilites;
/*w w  w.  j  a  va 2s .  c om*/
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.util.DisplayMetrics;





public class DisplayUtils{
  /**
   * This method convets dp unit to equivalent device specific value in pixels. 
   * 
   * @param dp A value in dp(Device independent pixels) unit. Which we need to convert into pixels
   * @param context Context to get resources and device specific display metrics
   * @return A float value to represent Pixels equivalent to dp according to device
   */
  public static int convertDpToPixel(float dp,Context context){
      Resources resources = context.getResources();
      DisplayMetrics metrics = resources.getDisplayMetrics();
      int px = (int) (dp * (metrics.densityDpi / 160f));
      return px;
  }
  /**
   * This method converts device specific pixels to device independent pixels.
   * 
   * @param px A value in px (pixels) unit. Which we need to convert into db
   * @param context Context to get resources and device specific display metrics
   * @return A float value to represent db equivalent to px value
   */
  public static float convertPixelsToDp(float px,Context context){
      Resources resources = context.getResources();
      DisplayMetrics metrics = resources.getDisplayMetrics();
      float dp = px / (metrics.densityDpi / 160f);
      return dp;

  }
  /**
   * This method is use to determine if the current Android device is a tablet
   * or phone.
   * 
   * @param context
   * @return
   */
  public boolean isTablet(Context context) {
      boolean xlarge = ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == 4);
      boolean large = ((context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_LARGE);
      return (xlarge || large);
  }
}

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