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The source code is released under:
GNU General Public License
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package com.fima.cardsui; //from w w w . j a va2s .c om import android.content.Context; import android.util.DisplayMetrics; public class Utils { /** * 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 float convertPixelsToDp(Context ctx, float px) { DisplayMetrics metrics = ctx.getResources().getDisplayMetrics(); float dp = px / (metrics.densityDpi / 160f); return dp; } public static int convertDpToPixelInt(Context context, float dp) { DisplayMetrics metrics = context.getResources().getDisplayMetrics(); int px = (int) (dp * (metrics.densityDpi / 160f)); return px; } public static float convertDpToPixel(Context context, float dp) { DisplayMetrics metrics = context.getResources().getDisplayMetrics(); float px = (float) (dp * (metrics.densityDpi / 160f)); return px; } }