Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

import android.annotation.SuppressLint;
import android.graphics.Bitmap;

import android.os.Build;

import javax.annotation.Nullable;

public class Main {
    /**
     * @return size in bytes of the underlying bitmap
     */
    @SuppressLint("NewApi")
    public static int getSizeInBytes(@Nullable Bitmap bitmap) {
        if (bitmap == null) {
            return 0;
        }

        // There's a known issue in KitKat where getAllocationByteCount() can throw an NPE. This was
        // apparently fixed in MR1: http://bit.ly/1IvdRpd. So we do a version check here, and
        // catch any potential NPEs just to be safe.
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
            try {
                return bitmap.getAllocationByteCount();
            } catch (NullPointerException npe) {
                // Swallow exception and try fallbacks.
            }
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
            return bitmap.getByteCount();
        }

        // Estimate for earlier platforms.
        return bitmap.getWidth() * bitmap.getRowBytes();
    }
}