Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.util.DisplayMetrics;
import android.util.Log;

public class Main {
    private static DisplayMetrics mMetrics;

    /**
     * This method converts device specific pixels to density independent
     * pixels. NEEDS UTILS TO BE INITIALIZED BEFORE USAGE.
     *
     * @param px A value in px (pixels) unit. Which we need to convert into db
     * @return A float value to represent dp equivalent to px value
     */
    public static float convertPixelsToDp(float px) {

        if (mMetrics == null) {

            Log.e("MPChartLib-Utils", "Utils NOT INITIALIZED. You need to call Utils.init(...) at least once before"
                    + " calling Utils.convertPixelsToDp(...). Otherwise conversion does not" + " take place.");
            return px;
            // throw new IllegalStateException(
            // "Utils NOT INITIALIZED. You need to call Utils.init(...) at least once before
            // calling Utils.convertPixelsToDp(...).");
        }

        DisplayMetrics metrics = mMetrics;
        float dp = px / (metrics.densityDpi / 160f);
        return dp;
    }
}