Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright (c) 2015 The CCP project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a Beijing Speedtong Information Technology Co.,Ltd license
 *  that can be found in the LICENSE file in the root of the web site.
 *
 *   http://www.yuntongxun.com
 *
 *  An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

import android.content.Context;

import android.util.DisplayMetrics;
import android.view.WindowManager;

public class Main {
    private static float mPixels = 0.0F;
    private static float density = -1.0F;

    /**
     * @param context
     * @param height
     * @return
     */
    public static int getMetricsDensity(Context context, float height) {
        DisplayMetrics localDisplayMetrics = new DisplayMetrics();
        ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay()
                .getMetrics(localDisplayMetrics);
        return Math.round(height * localDisplayMetrics.densityDpi / 160.0F);
    }

    public static int round(Context context, int paramInt) {
        return Math.round(paramInt / getDensity(context));
    }

    /**
     * @param context
     * @return
     */
    public static float getDensity(Context context) {
        if (density < 0.0F)
            density = context.getResources().getDisplayMetrics().density;
        return density;
    }

    /**
     * @param context
     * @param pixels
     * @return
     */
    public static int getDisplayMetrics(Context context, float pixels) {
        if (mPixels == 0.0F)
            mPixels = context.getResources().getDisplayMetrics().density;
        return (int) (0.5F + pixels * mPixels);
    }
}