Android dp to px and px to dp, simple unit conversion java function.
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Android dp to px
The method in the code below converts
context: Context to get resources and device specific display metric.
The following function returns a float value to represent px equivalent to dp depending on device density
public static float convertDpToPixel(float dp, Context context){
return dp * ((float) context.getResources().getDisplayMetrics().densityDpi / DisplayMetrics.DENSITY_DEFAULT);
}Android pixel to dp
This method converts device specific pixels to density independent pixels (dp).
px: A value in px (pixels) unit. Which we need to convert into db.
context: Context to get resources and device specific display metrics
The following function returns a float value to represent dp equivalent to px value.
public static float convertPixelsToDp(float px, Context context){
return px / ((float) context.getResources().getDisplayMetrics().densityDpi / DisplayMetrics.DENSITY_DEFAULT);
}Source: StackOverflow
